The price has been drastically reduced. 2024/2/27 sales price 34,800 yen Maintained! Yamaha's classic head amplifier. It is a delicate, well-grained sound with good texture in the high frequencies. It can be used by a wide range of people, from beginners to intermediate users, and in addition to the exterior and writing on the back, you can see dullness and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.2.27 Maintenance completed (pin jack repair, replacement of all relevant transistors, capacitors, amplifier section voltage/current adjustment due to migration occurring in the transistors on each board)
Accessories: none
Main specifications: impedance 10 ohm/100 ohm gain low 34 dB high 14 dB input 1 system bypass possible W150 x H67.5 x D352 mm 3.5 kg
Maintained! Marc Levinson battery operated MC head amplifier. In addition to the cutouts and subtlety of the early battery-powered models, this is a popular DC specification model that also ensures a low range with a rich sense of volume. You can also feel the difference in sound quality depending on the battery brand. In addition to being able to see many abrasions on the exterior and control plate, there is a feeling of use such as dullness (Kobayashi Hitoshi)
Maintenance information: 2024.3.23 maintenance completed (POT (100Ω) x 2 replacement, other inspections)
Accessories: none
Main specifications: Drive with 4 x AA batteries, input terminal 8 mV (maximum), output terminal, 250 mV (maximum), frequency band 20 to 50,000 Hz, W146 x H45 x D205 mm, 0.7 kg
Maintained! Comes with a special shell! An MC equalizer amplifier that uses Yamaha's unique pure current amplifier circuit. A satellite amplifier with a FET module configuration is attached immediately after the cartridge and transmitted to the phono equalizer, making it an extremely geeky product. *This is a dedicated phonoico for MC cartridges, and when a FET is not mounted, protection is applied and no sound is produced (Oikawa Tetsuji)
Maintenance Information: 2024.2.4 Maintained (volume replacement. Drive board circuit and other solder deterioration fixes. Operation was confirmed with the included dedicated shell. (This unit cannot be used due to protection unless a dedicated shell is used)
Accessories: satellite amplifier (with shell), instruction manual, original box
Main specifications: gain 63.5 dB rated input 7 mV (1 kHz) rated output 150 mV (1 kHz) maximum output 7.8 V (1 kHz, 6 Vrms) output impedance 100 Ω frequency characteristics 20 Hz to 20 kHz ± 0.3 dB W160 × H96 × D274 mm 2.4 kg
An MC head amplifier that strongly boosts orthophone cartridges that used to have low output. The gain is also 34 dB, and the sound comes out forward (a normal MC boost is generally around 26 dB). It is not affected by impedance and can be used with any MC cartridge. An easy-to-use model with a PASS function and subsonic filter function. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.11.15 Operation confirmed
Accessories: none
Main specifications: boost ratio 34 dB, input impedance 75 ohms, output impedance 140 ohms, W80 x H39 x D 225 mm, 1.3 kg
*There is no problem with operation, but it is sold as is. Fidelix head amplifier. It is designed so that not only noise during an input short circuit, but also the best signal-to-noise ratio can be obtained when a cartridge of 100 ohms or less is mounted (Daiki Goto)
Maintenance Information: 2023.12.27 Operation confirmed
Accessories: none
Main specifications: MC cartridge head amplifier input impedance 100 ohms (32db) 130 ohms (26db) output impedance 150 ohms W125 x H48 x D205 mm weight 500 g
Maintained! Pioneer's full-body masterpiece MC head amplifier is still highly popular! The spatial expression is clever, and multiple measures have been taken against noise and distortion. Detailed GAIN (amplification amount) and Cartridge Road Impedance can be set, and it responds firmly to severe demands. The letters on the front panel have disappeared, there are small scratches etc. on the exterior, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.12.18 maintenance (input/output pin jack soldering removal, rear panel slide rotary switch disassembly, cleaning. Mirror polish and reassemble contacts. Power supply main capacitor replacement. (Amplifier board decoupling capacitor added, distortion minimized adjustment.)
Accessories: copy of instruction manual
Main specifications: MC head amplifier input sensitivity/impedance 0.2 mV, 0.0625 mV (gain switching) cartridge load resistance 10 Ω, 47 Ω, 100 Ω, 470 Ω output level rating 2.5 mV, maximum 5 V dimensions W142 x H185 x D392 mm weight 7.6 kg
The price has been reduced! 2023/10/21 sales price 25,000 yen Maintained! Denon's MC head amplifier has HI/LOW MC boost, PASS, and even high-cut filter functions. Thorough noise countermeasures have been implemented, such as a separate power supply and magnetic shielding of the main unit. As a head amplifier, it is popular for its sound that feels like it was in the good days of analog. The exterior has some marble-like stains due to dirt and oxidative corrosion (Hiura Katsuji)
Maintenance information: 2023.10.18 maintenance (MM/MC changeover relay installation process replacement, push switch contact cleaning, electrolytic capacitor replacement. (Internal chassis cleaning.)
Accessories: none
Main specifications: input impedance 100Ω voltage gain 32dB/24dB/mm (Pass) [amplifier part] W125 × H68 × D292 mm 1.8 kg [power supply unit] W107 × H65 × D141 mm 1.4 kg
An MC head amplifier that strongly boosts orthophone cartridges with low output in the olden days. The gain is as high as 34 dB, and the sound protrudes forward (normal MC boost is generally around 26 dB). It is not affected by impedance and can be used with any MC cartridge. Easy-to-use model with PASS function and subsonic filter function (Fujisawa Yukishi)
Maintenance information: 2023.12.7 operation confirmed
Accessories: none
Main specifications: boost ratio 34 dB with bypass circuit, input impedance 75 ohms, output impedance 140 ohms, W80 x H39 x D225 mm, 1.3 kg
Maintained! Yamaha's classic head amplifier. The sound is delicate and has good graininess, with good sound in the high frequencies. The uncharacteristic characters that can be used by a wide range of people, from beginners to intermediates, are attractive. Serial 02570 (Takasaki Atsushi)
Maintenance information: 2023.11.15 Maintained (all power supply section electrolytic capacitors replaced with high ripple types at 105°C products, mode changeover switch contact components mirror polished, oxidation prevention treatment. The DC offset of the amplifier section was readjusted, the distortion ratio was measured 0.03% or less, and the S/N90 dB or higher was confirmed. (Running test.)
Accessories: none
Main Specifications: Impedance 10/100Ω Gain Low34dB High14dB Input 1 System Bypass Allowed W150 x H67.5 x D352 mm 3.5 kg
Prices have been drastically reduced. 2023/10/20 sales price 25,000 yen*There is no problem with operation, but it is cheap because it is in poor condition. Denon MC head amplifiers have HI/LOW MC boost, PASS, and even high-cut filter functions. Thorough noise countermeasures have been implemented, such as a separate power supply and the main unit's magnetic shield. As a head amplifier, it is popular for its sound that feels like the good days of analog listening. The power supply part has rust stains, the whole is dull, and there is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2023.10.20 sound output confirmed
Accessories: none
Main Specifications: Input Impedance 100Ω Voltage Gain 32dB/24dB/mm (Pass) [Amplifier Part] W125 x H68 x D292 mm 1.8 kg [Power Supply] W107 x H65 x D141 mm 1.4 kg
Disposal prices have been reduced. Member prices are not applicable. 2023/6/25 sales price 178,000 yen, 16 deteriorated capacitors replaced! A newly created power supply is included. All pin jacks have also been replaced so you can use it comfortably. Genuine RF product. Head Amp for MC Cartridges. It is easy to use with RCA terminal specifications, and has a separate power supply structure. The delicate, clear, and powerful sound is attractive (Sasaki Shota)
Maintenance information: 2023.6.25 Maintained (the power supply module is defective but cannot be repaired, so a new power supply will be created, all deteriorated capacitors will be replaced, pin jack deterioration replaced, gain switch replaced due to poor contact, each gain readjustment, and operation inspection will be performed ※There is currently no problem with the module)
Accessories: Manual copy
Main specifications: gain can be adjusted in 3 levels, input impedance can be used up to 45 ohms W175 x H60 x D210 mm 1.4 kg
The price has been reduced. 2023/9/21 sales price 298,000 yen Hifi is in stock for the first time! Genuine Electri Comes with a manufacturer's warranty until January 2025! Macintosh vacuum tube headphone amplifier. It is small and has a design reminiscent of MC240, etc. When the power is turned on, the vacuum tube is illuminated with a green LED. If silence continues, the power will automatically turn off. Although it is a specification, there is almost no sound until the VOL center. The variable range of volume increases beyond the center. ※USB input is not provided (Fujisawa Yukishi)
Maintenance information: 2023.9.21 Operation confirmed
Accessories: instruction manual (English), power cord, original box
Main specifications: output impedance 32 ohms, 100 ohms, 250 ohms, 600 ohms rated output band 20 Hz to 20,000 Hz W156 x D232 x 156 mm weight 4.8 kg
The price has been drastically reduced! 2023/8/30 sales price 34,800 yen 6 month warranty. Yamaha's classic head amp. The sound is delicate and has good graininess in the high frequencies. The characters are easy to use, and have no habit, and can be used by a wide range of people, from beginners to intermediates, and are attractive. The exterior has stains, stains, and scratches. Serial 01606 (Kimiya Miura)
Maintenance information: 2023.8.30 maintained (offset adjustment. Electrolytic capacitor replacement. (Operation check)
Accessories: no accessories
Main Specifications: Impedance 10ω/100Ω Gain Low34dB High14dB Input 1 System Bypass Allowed W150 x H67.5 x D352 mm 3.5 kg
※Since it is inexpensive, it will be handed over as is. TRIO head amplifier for rare MC cartridges. It is an MC head amplifier from the heyday of audio, characterized by a supple and natural sound. The exterior is dull and oxidized over time. Serial 860084 (Yonejima Satoshi)
Maintenance information: 2023.9.10 Operation confirmed
Accessories: AC adapter
Main specifications: MC type cartridge head amplifier input impedance 100 ohms input sensitivity 0.1 mV output impedance 100 ohms gain 28 dB frequency band 5 to 50,000 Hz dimensions W120 x H55 x D19 mm, 0.7 kg
The price has been drastically reduced. 2023/8/10 Sales price 22,800 yen ※Operation has been confirmed, but since it is inexpensive, it is currently sold. A head amplifier that is the best match for DENON MC cartridges. The characteristics of cartridges such as DL-103 are brought out, and the thickness and sense of extrusion are increased, and sound quality that is satisfying to listen to can be obtained. There are some small scratches on the exterior, and there is a feeling of use (Murakoshi Yoichi)
Maintenance information:2023.8.9 sound output confirmed
Accessories: none
Main Specifications: Head Amp Voltage Gain 24dB, 32dB, PASS Input Impedance 100Ω Complete Class A Circuit Configuration W126 x H71 x D305mm 2.2 kg
※Operation has been confirmed, but since it is cheap, it is sold as is. A compact, high-CP, and handy headphone amplifier. The sound is bright and has good visibility. A well-balanced model that works well for everything from pop to rock. There is a slight feeling of use (Takasaki Atsushi)
Maintenance Information: 2023.8.10 Operation confirmed
Accessories: manual, power cord, original box
Main specifications: output 330 mW/30 ohms, 60 mW/300 ohms headphone amplifier connection 30 ohms gain 11 dB S/N ratio 87 db frequency characteristics 30 to 20 kHz input/output RCA each 1 system W103 x D127 x H38 mm 1.40 kg
It is a head amplifier that combines Sony technology at the time and pursues only sound quality. There are only models that inherit the technology of the HA-55 and have been reduced in cost, so you can fully enjoy the sharp sound quality even today. The exterior is scratched and there is a slight feeling of use (Murakoshi Yoichi)
Maintenance Information: 2023.8.10 Sound output confirmed
Accessories: instruction manual, original box
Main specifications: PASS/MC switching input impedance: 100 ohms Gain: 26 dB W120 × H80 × D280 mm 1.8 kg
The price has been drastically reduced! 2023/7/25 sales price 118,000 yen has been maintained! Mark Levinson's battery-powered MC head amp. In addition to the cutouts and subtlety of the initial battery-powered models, this is a popular DC specification model that also secures a low range with a rich sense of volume. You can also feel the difference in sound quality depending on the brand of battery. The exterior is dull. Serial 0476 (Miura Kimiya)
Maintenance information: 2023.7.25 Maintained (parts replaced due to low Rch level. (Other inspections and adjustments)
Accessories: There are no accessories
Main specifications: Drive with 4 x AAA batteries, input terminal, 8 mV (maximum), output terminal, 250 mV (maximum), frequency band 20 to 50,000 Hz, W146 x H45 x D205 mm 0.7 kg
*Currently sold. MC head amp powered by batteries. You can also check the battery by switching the knob. This is a DC type head amplifier that allows you to enjoy the sound of a cartridge straight away. The exterior is dull (Oikawa Tetsuji)
Maintenance Information: 2023.7.17 Operation confirmed
Accessories: instruction manual, original box
Main specifications: size W140 x H55 x D265 mm weight 1.1 kg (batteries not included)
The price has been reduced! 2023/7/5 sales price 29,800 yen head amplifier for Luxman MC cartridges. This head amplifier has no horns and is characterized by its smooth, waist-sitting sound. The exterior is generally dull, and the GND terminal on the back is slightly bent (Oikawa Tetsuji)
Maintenance information: 2023.7.5 operation confirmed
Accessories: none
Main specifications: MC type cartridge head amplifier with PASS Input impedance: 100Ω 20dB/30dB switching dimensions: W138 x H78 x D305 mm Weight: 2.7 kg
The price has been reduced! 2023/7/3 A standard Yamaha head amplifier with a sales price of 29,800 yen. The sound is delicate and has good graininess in the high frequencies. The easy-to-use, non-addictive characters that can be used by a wide range of people, from beginners to intermediates, are attractive. There are dullness and abrasions (Sasaki Shota)
Maintenance Information: 2023.7.3 Operation confirmed
Accessories: none
Main specifications: impedance 10 ohm/100 Ω gain low 34 db high 14 db input 1 system bypass possible W150 x H67.5 x D352 mm 3.5 kg
It's a beautiful item. Sennheiser's high spec current headphone amplifier. It has a built-in D/A converter and is compatible with DSD256 files and PCM384 kHz/32 bit (when connected via USB). You can enjoy the sharp and clear sound. The combination with the company's HD800S is the best match, so if you have one, don't miss it. There are no noticeable scratches and the condition is good (Sasaki Shota)
Maintenance information: 2023.7.6 Sound output operation confirmed
Accessories: original box, manual, power cable, USB memory
Main specifications: headphone amplifier, 3 digital inputs (USB, coaxial, S/PDIF optical), maximum output 480 mW (XLR-4/600Ω) dynamic range 115dB analog input 2 systems (balanced, unbalanced), analog output 1 system (balanced), headphone output 4 systems (Pentaconn2 system, XLR- 4:1 system, 6.3mm XLR- 3:1 system) compatible impedance 16 to 600 ohms W224× H44 x D306mm 2.25 kg
Disposal prices have been reduced! (Member discounts are not applicable) 2023/5/10 Sales price 128,000 yen An MC head amplifier that is still highly popular and is a masterpiece by Pioneer! The spatial expression is clever, and many measures have been taken against noise and distortion. GAIN (amount of amplification) and Cartridge Road Impedance can be set in detail, and it responds well even to severe requirements. On the exterior, there are many scratches on the corners. Serial AI1000487 (Kimiya Miura)
Maintenance information: 2023.5.10 operation confirmed
Accessories: copy of instruction manual
Main specifications: MC head amplifier input sensitivity/impedance Phono MC0.2mV, 0.0625mV (gain switching) cartridge load resistance 10Ω, 47Ω, 100Ω, 470Ω output level (RL50kΩ) rating 2.5 mV maximum 5 V dimensions W142 x H185 x D392 mm weight 7.6 kg
*Currently on sale. MC head amplifier powered by batteries. You can also check the battery by switching the knob. This is a DC head amplifier that allows you to enjoy the sound of the cartridge straight away. The exterior is dull. Serial WA619B192 (Satoshi Yonejima)
Maintenance information: 2023.6.9 operation confirmed
Accessories: no accessories
Main specifications: size W140 x H55 x D265 mm weight 1.1 kg (batteries not included)
※There is no problem with operation, but it is inexpensive because it is in poor condition. Denon MC head amplifier that even has HI/LOW MC boost, PASS, and high cut filter functions. Thorough noise countermeasures have been implemented, such as a separate power supply and a magnetic shield on the main unit. As a head amplifier, it is popular for its sound that makes you feel the response typical of the good days of analog. There are spots, dullness, small scratches, yellowness, etc. (Oikawa Tetsuji)
Maintenance information: 2023.5.7 operation confirmed
Accessories: none
Main specifications: input impedance 100Ω voltage gain 32dB/24dB/mm (pass) [amplifier section] W125 x H68 x D292 mm 1.8 kg [power supply unit] W107 x H65 x D141 mm 1.4 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/12/31 sales price 25,000 yen. Ortofon's battery-powered MC cartridge head amplifier. You can enjoy a thick, crisp sound in the mid range. The OUTPUT terminal wobbles slightly. On the exterior, paint peels off on the top plate, and stains can be seen all over (Kanai Hidetsugu)
Maintenance information: 2022.12.31 sound output confirmed
Accessories: 2 x AA batteries
Main specifications: input impedance 11 ohms output impedance 675 ohms gain 50 dB frequency band 7 to 200,000 Hz signal-to-noise ratio 65 dB using 2 AA batteries W80 x H40 x D140 mm 205 mm
Acuphase's golden MC head amp is almost impossible to see now. It is a top-class gem that adds strength and dynamism. An appealing sound that is smooth and has a firm core. There are small scratches and a feeling of use on the exterior (Katsutsugu Hiura)
Maintenance information: 2023.4.3 sound output confirmed
Accessories: copy of instruction manual
Main Specifications: MC Cartridge Head Amplifier 10/30/100Ω Switchable, Bypassable, W194 x H142 x D371 mm, 8.1 kg
An MC cartridge head amplifier with an eye-catching Esprit design on the orange side. Since it comes with 3, 40 ohm, and PASS selectors, it is compatible with each cartridge. The strong, clear sound is appealing. Two rubber parts on the sole of the foot are off. The exterior is dull and scratched. Serial 761931 (Kanai Hidetsugu)
Maintenance information: 2023.3.26 sound output confirmed
Accessories: none
Main specifications: MC head amplifier frequency characteristics 6 Hz to 500,000 Hz gain 27 dB allowable input voltage 12 mV input impedance 25 ohms, 100 ohms power consumption 7 W size W135 x H80 x D345 mm weight 3.2 kg
※It has a cigarette smell, so it is inexpensive. An MC cartridge head amplifier with an eye-catching Esprit design on the orange side. Since it comes with a 3.40 ohm and PASS selector, it is compatible with each cartridge. The strong, clear sound is appealing. The exterior is dull and has small scratches. Serial 761810 (Kimiya Miura)
Maintenance information: 2023.3.12 operation confirmed
Accessories: no accessories
Main specifications: MC head amplifier frequency characteristics 6 Hz to 500,000 Hz gain 27 dB allowable input voltage 12 mV input impedance 25 ohms, 100 ohms power consumption 7 W size W135 x H80 x D345 mm weight 3.2 kg
Lead-acid battery powered MC head amplifier. The sound quality is superior to the price with excellent resolution and freshness. When turning off the power, press and hold the switch up for about 3 seconds to turn it off. The exterior is good with no noticeable scratches. ※This is not a phono equalizer (Oikawa Tetsuji)
Maintenance information: 2023.2.5 operation confirmed
Accessories: AC cable
Main specifications: input impedance 3Ω 10Ω 30Ω 100Ω 300Ω 47kΩ (switchable) W144 x H92 x D155 mm (excluding protrusions) 1.75 kg
The price has been reduced. 2023/1/25 sales price 25,000 yen*Delivered as is. A head amplifier that is the best match for DENON MC cartridges. The characteristics of cartridges such as DL-103 are brought out, the thickness and sense of protrusion are increased, and sound quality that is satisfying to hear can be obtained. The exterior is dull on the front panel, etc., and small scratches are scattered (Kobayashi Hitoshi)
Maintenance information:2023.1.25 operation confirmed
Accessories: instruction manual
Main specifications: head amplifier voltage gain 24 dB, 32 dB, PASS input impedance 100 ohms complete A class circuit configuration W126 x H71 x D305 mm 2.2 kg
Battery powered MC head amplifier. It's modular, so you can enjoy analog playback like the company's ML series. With the clarity and dynamic sound unique to battery-powered systems, the combination with older SPUs is particularly exquisite. The exterior is generally good (Kanai Hidetsugu)
Maintenance information: 2023.1.21 sound output confirmed (confirmed that the capacitor inside has been replaced)
Accessories: none
Main specifications: input terminal with battery checker 8 mV (maximum) output terminal 250 mV (maximum) frequency band 20 to 50,000 Hz W220xH45xD100mm 0.7 kg
※There is no problem with operation, but it is inexpensive because it is in poor condition. Denon MC head amplifier that even has HI/LOW MC boost, PASS, and high cut filter functions. Thorough noise countermeasures have been implemented, such as a separate power supply and a magnetic shield on the main unit. As a head amplifier, it is popular for its sound that makes you feel the response typical of the good days of analog. The exterior is dull and stained throughout (Oikawa Tetsuji)
Maintenance information: 2022.12.11 operation confirmed
Accessories: instruction manual
Main specifications: input impedance 100Ω voltage gain 32dB/24dB/mm (pass) [amplifier section] W125 x H68 x D292 mm 1.8 kg [power supply unit] W107 x H65 x D141 mm 1.4 kg
Denon's MC head amplifier with HI/LOW MC boost, PASS, and even high-cut filter functions. Thorough noise countermeasures have been implemented, such as a separate power supply and a magnetic shield on the main unit. As a head amplifier, it is popular for its sound that feels like the good times of analog.
Maintenance information: 2022.12.4 operation confirmed
Accessories: none
Main specifications: input impedance 100Ω voltage gain 32dB/24dB/mm (Pass) [amplifier section] W125 × H68 × D292 mm 1.8 kg [power supply unit] W107 × H65 × D141 mm 1.4 kg
The price has been reduced. It is a popular head amplifier from Accuphase with a sales price of 49,800 yen on 2022 11/2. It has an all-stage push-pull DC configuration based on the C-220 and C-240 head amplifiers. Since it can be bypassed, MMs can also be used. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance Information: 2022.11.1 Operation confirmed
Accessories: power cable
Main Specifications: MC Head Amplifier Input/Output Impedance: 100Ω Frequency Characteristics 5Hz to 100kHz Maximum Input Level 35mV Dimensions W102 x H61 x D350 mm Weight 2.5 kg
The price has been drastically reduced! A rare FR battery-powered MC head amplifier with a selling price of 19,800 yen on 2022 8/17. It works with 4 AA batteries. It makes me hear a straightforward and solid sound. The ultra-small size rather than being compact is cute, and there is also a PASS switch. The exterior has oxidation, dullness, and dirt. (Tamura Eiji)
Maintenance Information: 2022.8.17 Operation confirmed
Accessories: There are no accessories
Main specifications: Compatible with FR-1 cartridges (compatible with low impedance low output cartridges of about 50 ohms or less) input impedance 100 ohms output impedance 10 kΩ frequency range 10 Hz ~ 100kHz gain 40dB compatible AA x 4 batteries W72 x H49 x D113 mm
The disposal price has been reduced! (Member discounts are not applicable) 2022 9/22 Sales price 118,000 yen Maintenance completed! Mark Levinson battery powered MC head amplifier. In addition to the notch and delicacy of the initial battery-powered models, it is a popular DC specification model that also secures a low range with a rich sense of volume. You can also feel the difference in sound quality depending on the battery brand. As for the exterior, there is a feeling of use over time, such as dullness and small scratches scattered, and deterioration in the battery case part. Serial 0645 (Hiroki Aso)
Maintenance information: 2022.9.22 Maintained (battery holder replacement, pin jack replacement, all deteriorated electrolytic capacitors and tantalum capacitors replaced all transistors replaced internal corroded parts Corrected output DC offset adjustment by cleaning and painting, specification inspection, operation inspection)
Accessories: none
Main specifications: Drive with 4 x AA batteries, input terminal, 8 mV (maximum), output terminal, 250 mV (maximum), frequency band 20 to 50,000 Hz, W146 x H45 x D205 mm, 0.7 kg
※6 month warranty. An MC head amplifier that strongly boosts old orthophone cartridges with low output. The gain is as high as 34 dB, and the sound protrudes forward (a normal MC boost is roughly around 26 dB). It can be used with any MC cartridge regardless of impedance. Easy to use model with PASS function and subsonic filter function. The exterior is corrosive and dull (Sasaki Shota)
Maintenance Information: 2022.3.1 Maintained (Installation with pin jack processing. Power cord replacement. Switch contact correction.)
Accessories: none
Main specifications: Boost ratio 34dB Bypass circuit built-in input impedance 75Ω output impedance 140Ω W80 × H39 × D225 mm 1.3 kg
※6 month warranty. An MC head amplifier that strongly boosts old orthophone cartridges with low output. The gain is as high as 34 dB, and the sound protrudes forward (a normal MC boost is roughly around 26 dB). It can be used with any MC cartridge regardless of impedance. Easy to use model with PASS function and subsonic filter function. The exterior is corrosive and dull (Murakoshi Yoichi)
Maintenance information: 2022.3.16 sound output confirmed
Accessories: none
Main specifications: Boost ratio 34dB Bypass circuit built-in input impedance 75Ω output impedance 140Ω W80 × H39 × D225 mm 1.3 kg
The price has been reduced. 2022/5/5 selling price 29,800 yen An MC head amplifier that strongly boosts orthophone cartridges with low output in the old days. The gain is as high as 34 dB, and the sound protrudes forward (normal MC boost is about 26 dB). It is not affected by impedance, and can be used with any MC cartridge. An easy-to-use model that also has a PASS function and a subsonic filter function. The exterior has small scratches and dullness (Kanai Hidetsugu)
Maintenance information: 2022.5.3 sound output check OK
Accessories: none
Main specifications: Boost ratio 34dB bypass circuit mounted input impedance 75Ω output impedance 140Ω W80 × H39 × D225mm 1.3 kg
The price has been reduced. 2022/4/3 Selling price 108,000 yen Maintenance has been performed and deteriorated capacitors etc. have been replaced! Genuine RF Head amplifier for MC cartridges. It is easy to use with RCA terminal specifications, and has a separate power supply structure. The delicate, clear, and powerful sound is attractive. Small scratches scattered, there is a feeling of use. No serial (Takasaki Atsushi)
Maintenance Information: 2022.4.3 Maintained (replace deteriorated parts C 1000uFV and R 698Ω. Replaced the top plate mounting screws with stainless steel ones. (Other inspection adjustments.)
Accessories: none
Main specifications: Gain can be adjusted in 3 stages Input impedance can be used up to 45 Ω W175 × H60 × D210 mm 1.4 kg
It is a rare linear technology head amplifier. The analog sound that is clear and quick to pull out is a sound that is very similar to linear technology. * Please note that the connection cable is a 5-pin phono cable on one side. There are threads and kusumi on the exterior. Serial 003040 (Satoshi Yonejima)
Maintenance information: 2022.7.31 Maintained (internal inspection and operation tested)
Accessories: power cord, connection cord
Main specifications: Input terminal 1 system cannot be bypassed Input impedance 100 Ω Size W120 × H63 × D230 mm Weight 1.5 kg
Battery-powered MC head amplifier. The modular type allows you to enjoy analog playback like the company's ML series. The sharpness and dynamic sound peculiar to battery-powered systems are exquisite, especially in combination with older SPU (Fujisawa Yukishi)
Maintenance info: 2022.7.15 Operation confirmed
Accessories: none
Main specifications: Equipped with battery checker Input terminal 8mV (maximum) Output terminal 250mV (maximum) Frequency band 20-50,000 Hz W220xH45xD100mm 0.7kg
The disposal price has been reduced! (Member discounts are not applicable) 2022/6/22 Selling price 128,000 yen Power supply unit newly created! Maintenance has been performed, and deteriorated capacitors etc. have been replaced! Genuine RF Head amplifier for MC cartridges. It is easy to use with RCA terminal specifications, and has a separate power supply structure. The delicate, clear, and powerful sound is attractive. The exterior has dullness and small scratches. Serial 1648 (Miura Kimiya)
Maintenance information: 2022.6.22 Maintenance completed (power supply module new power supply production, replacement of all deteriorated electrolytic capacitors and tantalum capacitors, replacement of dip switch for gain switching, pin (Jack replacement, each gain readjustment, spec inspection)
Accessories: power cable
Main specifications: Gain can be adjusted in 3 stages Input impedance can be used up to 45 Ω W175 × H60 × D210 mm 1.4 kg
A rare MC head amplifier developed by Macintosh by bringing together the know-how gained through many years of amplifier manufacturing. You can feel the thickness and depth typical of McKinn in the sound. The appearance has line scratches and threads. Serial JDJ1090 (Miura Kimiya)
Maintenance info: 2022.7.13 Operation confirmed
Accessories: No accessories
Main specifications: Input impedance/10Ω (31dB) 20Ω (26dB) 40Ω (20dB) 90Ω (13dB) W180×H80×D125mm 1.42kg
The price has been reduced! 2022/6/27 Selling price 108,000 yen Maintenance has been performed and deteriorated capacitors etc. have been replaced! Genuine RF Head amplifier for MC cartridges. It is easy to use with RCA terminal specifications, and has a separate power supply structure. The delicate, clear, and powerful sound is attractive. The appearance is dull, and there are small scratches. Serial 0671 (Miura Kimiya)
Maintenance information: 2022.5.21 Maintenance completed (replacement of all deteriorated electrolytic capacitors and tantalum capacitors, replacement of dip switches for gain switching, each gain readjustment, spec inspection. (There is currently no problem with the power supply module)
Accessories: Instruction manual copy
Main specifications: Gain can be adjusted in 3 stages Input impedance can be used up to 45 Ω W175 × H60 × D210 mm 1.4 kg
The price has been reduced! 2022/5/21 selling price 108,000 yen Maintenance has been performed and deteriorated capacitors etc. have been replaced! Genuine RF Head amplifier for MC cartridges The RCA pin specification makes it easy to use, and has a separate power supply structure. The delicate, clear, and powerful sound is attractive. The appearance is dull and has small scratches. Serial 0671 (Kimiya Miura)
Maintenance information: 2022.5.21 Maintained (all deteriorated electrolytic capacitors and tantalum capacitors are replaced, gain switching dip switches are replaced, each gain readjustment, spec inspection. (There is currently no problem with the power supply module)
Accessories: copy of instruction manual
Main specifications: Gain can be adjusted in 3 stages Input impedance can be used up to 45Ω W175 × H60 × D210 mm 1.4 kg
※ It is cheap because all the lettering on the front has disappeared. A masterpiece MC head amplifier from Pioneer Whole Body. The spatial expression is skillful, and many measures against noise and distortion have been taken. GAIN (amplification amount) and Cartridge Road Impedance can be set in detail, and it responds firmly to severe demands. The appearance has dullness, scratches, and a little air bubbles on the top plate. Serial BC1001297 (Satoshi Yonejima)
Maintenance information: 2022.6.3 operation confirmed
Accessories: instruction manual
Main specifications: MC head amplifier Input sensitivity/impedance Phono MC0.2mV, 0.0625mV (gain switching) Cartridge load resistance 10Ω, 47Ω, 100Ω, 470Ω Output level ( (RL50kΩ) Rated 2.5mV Maximum 5V Dimensions W142 × H185 × D392mm Weight 7.6 kg