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
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
The price has been drastically reduced! 2021/12/2 selling price 59,800 yen It is a popular head amplifier of Accuphase with few stock arrivals. It has an all-stage push-pull DC configuration based on the C-220 and C-240 head amplifier sections. Since it can be bypassed, MM can also be used. The appearance is dull, there are small scratches. Serial G9Y239 (Satoshi Yonejima)
Maintenance information: 2021.12.2 operation confirmed
Accessories: power cord
Main Specifications: MC Head Amplifier Input/Output Impedance: 100Ω Frequency Characteristics 5Hz~100KHz Maximum Input Level 35MV Dimensions W102 × H61 × D350 mm Weight 2.5kg
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
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
Maintened! Tube bulb MC head amplifier using ECC88. Using a three-pole tube selected by examining the characteristics, it creates a sound that is firm and momentum. Recommended for those who want to add a sense of power to the sound. dullness, there is a feeling of use (Sasaki Shota)
Maintenance Information: 2021.2.23 Operation confirmed
2020.12.9 Maintenance (operation check, both ch noise, → L, R tube pin contact failure → polishing treatment. Other C, R, Tr etc check → Ok.)
Accessories: None
Main specifications: Head amplifier for MC Maximum output voltage: 20V (50kΩ) Output impedance: 1.5kΩ (less than 5kΩ when attended) Input impedance: 1 MΩ (maximum) Gain: 30 dB (maximum) S/N ratio: 90 dB Total harmonic distortion rate: 0.1% (100mV output, 10-100Hz) Output bandwidth: 0.72Hz to 700kHz (-3dB, 47kΩ, 20pF Load) Rise time: 5μsec Power supply: AC100V, 50Hz/60Hz
Power consumption: 20W Dimensions: W360 × H90 × D180 (mm) Weight: 4kg