1 sold in USA JAN tea base measurement 90 (rejection value 48) with original box ※ Measured value is gm value measured with tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair tube large triode tube made in America Actual measured Ip value: 70mA/70mA (the best standard IP value for this amplifier is 75mA) The inside of the tube with the original box is slightly burnt, and there is dirt adhering to the outside of the tube*Sound is checked with a test amplifier, and the plate current value has been measured, and it has been determined that the operation is good (Kojima Yosuke)
Accessories: original box
Pair tube, large triode tube, made in America, measured Ip value: 71 mA/71 mA (the best standard IP value for this amplifier is 75 mA) with original box*Sound is checked and plate current values are measured with a test amplifier, and it has been determined that operation is good (Kojima Yosuke)
Accessories: original box
The price has been reduced! 2024/6/2 sales price 348,000 yen model with digital output. It has much in common with the advanced model 860, and you can enjoy WADIA sound with higher accuracy than before. The wide range and thick sound is attractive. It is a player where you can enjoy the amount of information unique to the heyday of CDs. As for the exterior, there is a feeling of use such as line damage or dullness on the top plate. Serial 0850704021 (Tomonori Asaine)
Maintenance information: 2024.6.2 operation confirmed
Accessories: instruction manual copy remote control power cord spike
Main specifications: Integrated CD player, 2 digital out systems (coaxial/ST link), 32 times sampling, Motorola 56004 DSP drive mechanism is made by TEAC W431 x H178 x D406 mm 19 kg
Equivalent to TRIO N-39. Replacement needle for N-39 It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: original box
Speaker cable, 4.5 m pair, Y lug specification, varistrand structure, high purity copper, 8+8 braid structure, Teflon coating. It is a standard model of Kimber Cable that is clear, has a high SN, and has a wide sound field (Kojima Yosuke)
Accessories: none
Equivalent to the Hitachi DS-5T. Replacement needles for HRD-100 and HRD-101 It is unopened and operation has not been checked (Hiura Katsutsugu)
Maintenance information: operation unconfirmed
Accessories: none
The A2500 is a tube type power amplifier kit that has been replaced with speaker terminals that are easy to use even for beginners. 6AQ8 for the first stage and 12AU7 for the phase reversal stage both use triodes. Since triodes are used across all stages, the sound is taut and bright, with excellent nude characteristics. The exterior has dullness over time, rust, and small scratches. Serial 560561 (Miura Kimiya)
Maintenance information: 2018.4.28 Maintained (printed circuit board resistor replaced. (Adjustment characteristics check OK) 2014.11.21 maintenance completed (input VR, vacuum tube socket, coupling capacitor, SP terminal, BIAS DC BAL, semi-VR, each deterioration exchange, adjustment, characteristic check OK)
Accessories: instruction manual
Main specifications: 6 RA8 push-pull 6 RA8 x 4/12 AU7 x 2/6AQ8 10W+10W W410 x H145 (with hood) x D190 mm 9.6 kg
The A3500 vacuum tube power amplifier has been refreshed by thorough maintenance down to the smallest details, such as volume disassembly and polishing. The warm, fresh tone, filled with the appeal of a vacuum tube type, is still appealing enough today. You can enjoy music with a rich, thick tone that contrasts with the clicking tones of recent vacuum tube amplifiers. As for the exterior, paint deterioration and peeling can be seen on the transformer on one side, and there is a feeling of use such as dullness, small scratches, etc., and there is a dent in the hood. ※3-pole tube connection specification. 20W+20W (actual measurement) is output as specified by the manufacturer (Takasaki Atsushi)
Maintenance information: 2023.2.3 maintained (main tube (6CA7) replacement vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, complete disassembly of semi-fixed VR replacement power input gain volume, contact polishing, anti-oxidation/sulfation grease coating load test (8Ω load 1kHz 20W+20W) input/output waveform confirmation sound output check performed)
Accessories: copy of the manual
Main specifications: 20W+20W (8Ω) vacuum tube 6CA7×4/6AQ8×3 W465×H168×D206mm 16kg
DP-1300M heavy headshell counterweight, set of 2 types, large and small A must-have item for those who use heavyweight cartridges such as SPU and FR. It can also be attached to the DP-500M. Recommended for those who use a variety of cartridges. There is slight dullness on the exterior (Murakoshi Yoichi)
Accessories: none
Main specifications: Compatible cartridges for their own weight/for 20 to 28 g (small) /for 26 to 37 g (large)
Comes with original box! DP-1300M heavy headshell counterweights, set of 2 large and small A must-have item for those using heavyweight cartridges such as SPU and FR. It can also be attached to the DP-500M. It is recommended for those who use a variety of cartridges. There are some scratches on the exterior (Fujisawa Yukishi)
Accessories: original box
Main specifications: Compatible cartridge weight/for 20 to 28 g (small) /26 to 37 g (large)
The price has been drastically reduced. 2024/3/11 sales price 80,000 yen The MEDIUM/LONG knob doesn't work, so it rotates idle, but it's a specification. QUAD tubular AM tuner. It is designed to take power from QUAD 2. Also, although the meter is an overseas specification, it is a domestic band specification. ※This is a mono specification. In order to play on 2 channels, it is necessary to connect the pin jack to the RADIO 2 terminal of QUAD2 and press the MONO and STEREO switches simultaneously (Daiki Goto)
Maintenance information: 2024.3.11 Maintained (・AM antenna ASSY added/IF/RF readjusted*Other operation checked. *When tuning with TUNE, the LCD on the right edge will open. After tuning in, it is common to listen on WIDE RANGE. Also, since the LONG WAVE circuit in this model has been removed, the LONG/MEDIUM selector is invalid and the knobs are dummy.)
Accessories: antenna cable
Main specifications: W270 x H95 x D15 mm 2.6 kg (actual measurement)
Comes with original box! This is an 8cm full range unit from MarkAudio's ALPair series. It is a self-made unit that is attracting attention because of its technical ability, which has been produced with high accuracy, and has advanced playback capabilities, such as precise and delicate high frequencies. (FUJISAWA KOSHI)
Maintenance information: 2024.5.2 operation confirmed
Accessories: original box
Main Specifications: 8cm full range speaker 4Ω 95-30,000 Hz 85.45dB 10W
※Shipping service. Special Feature = Listen to the Latest MC Cartridge/Audio Famous Machine Award 2008 Decided/World Speaker Brand Large Aperture Temptation 1/Infatuation with Open Decks/TAD “TAD Reference One” that sounds famous devices/30th anniversary Learn about Dynaudio's great challenge to high definition speakers/Check out Zonotone Cable's ability in analog playback /Type Specific Tube Bulb Amplifier Research High-End Amplifier/Published on H20.1.20/ Posted models: Criterion Analogue Playback System/gyrodec-UNV1/EA-1 2 P-3G/AT33MONO/MC Windfeld/A-S2000/Illusion A7/SC-11S1 SM-11S1/C-600F M-600A/AT33PTG/YC-03S/Model 7000/Celebration MK2/ZYX-4D/ Stradivari/Hyper Eminent/TRV-M88pp/reference-two reference-one/SD-2 KR/The photograph is a sample, so the actual product may be broken and there may be writing etc.
Full internal and external maintenance completed in 2022! This is the second generation of Tannoy's famous machine ARDEN. The warm and soft tone is attractive. It plays all kinds of music lusciously and gently. In particular, it works great with vacuum tube amplifiers, and the sense of orchestra scale and smooth playback of stringed instruments are satisfying enough to listen to. The exterior has some impact scratches and board repair marks on one side of the hakama part. Serial 003354/003047 (Fujisawa Yukishi)
Maintenance information: 2022.9.23 Maintained (terminal screws, rust removal, acid washing, cleaning. Internal connection terminal (faston) replaced with a new one. ATT (SW type) contact cleaning. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. Check the input/output waveform and balance, and check the sound output. Unit maintenance (high range side: magnetic circuit gap cleaning/center adjustment) exterior repair/polishing/oil finish. Front and rear baffles/hakama repair/painting Saran net replacement)
Accessories: saran net
Main specifications: 2 way, 1 speaker, bass reflex system, floor type specification unit 3828, crossover frequency, 1 kHz, output sound pressure level, 91.5 dB, 8 ohms, dimensions W660 x H990 x D370 mm, weight 43 kg/book
Both the interior and exterior have been fully restored and refreshed! This is the second generation of Tannoy's famous machine ARDEN. The warm and soft tone is attractive. It plays all kinds of music lusciously and gently. In particular, it works great with vacuum tube amplifiers, and the sense of orchestra scale and smooth playback of stringed instruments are satisfying enough to listen to. It is beautiful due to exterior repairs (Sasaki Shota)
Maintenance information: 2024.5.10 Maintained (exterior repair/polishing/oil finish. Front and rear baffles/hakama repair/painting. Saran net replacement/frame repair/reinforcement. Unit maintenance: low range/edge exchange, magnetic circuit gap cleaning/center adjustment, high pass/magnetic circuit rust removal/gap cleaning/center adjustment. Network maintenance: frequency characteristic check, ATT cleaning, faston terminal replacement, terminal cleaning)
Accessories: none
Main specifications: 2 way, 1 speaker, bass reflex system, floor type specification unit 3828, crossover frequency, 1 kHz, output sound pressure level, 91.5 dB, 8 ohms, dimensions W660 x H990 x D370 mm, weight 43 kg/book
Internally and externally maintained! This is the second generation of Tannoy's famous machine ARDEN. The warm and soft tone is attractive. It plays all kinds of music lusciously and gently. In particular, it works great with vacuum tube amplifiers, and the sense of orchestra scale and smooth playback of stringed instruments are satisfying enough to listen to. The exterior has been beautifully finished due to exterior maintenance. Serial 011093 016017 (Tomonori Asaine)
Maintenance information: 2024.4.18 Maintained (exterior repair/polishing/oil finish front and rear baffle/hakama repair/paint saran frame reinforcement painting/net replacement, batch polishing unit maintenance (high frequency magnetic circuit/in-gap cleaning/center adjustment diaphragm gap indirect attachment) ATT cleaning unit detachable)
Accessories: saran net
Main specifications: 2 way, 1 speaker, bass reflex system, floor type specification unit 3828, crossover frequency, 1 kHz, output sound pressure level, 91.5 dB, 8 ohms, dimensions W660 x H990 x D370 mm, weight 43 kg/book
The flat characteristics make the sound good and are delicate. The sound quality is relatively thick among Audio-Technica models, and I like it without losing too much weight. The cantilever is slightly to the right. There is dirt and dullness (Hiura Katsuji)
Maintenance information: 2024.2.23 sound output confirmed
Accessories: none
Main specifications: mm type output voltage 4 mV needle pressure 0.75 to 1.75 g oval needle self weight 9 g
A classic MC boost transformer. With 2 input systems, the impedance can be switched to 3.40 ohms, and a PASS line is included, so you can freely enjoy various cartridges and tone arms. You can see the exterior, dullness, stains, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.2.13 Operation confirmed
Accessories: none
Main specifications: MC boost transformer input 2 systems switchable, primary impedance 40 ohm, 3 ohm switching, secondary impedance 4 kΩ boost ratio 1:10 frequency characteristics 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g
A classic MC boost transformer. With 2 input systems, an impedance of 3.40 ohms switchable, and a PASS line, you can freely enjoy a variety of cartridges and tone arms. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.11.18 Operation confirmed
Accessories: none
Main specifications: MC boost transformer input, 2 systems, switchable, 1st order impedance 40 Ω, 3 Ω, switching, 2nd order impedance 4 kΩ, boost ratio 1:10, frequency characteristics, 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g
A classic MC boost transformer. With 2 input systems, the impedance can be switched to 3.40 ohms, and a PASS line is included, so you can freely enjoy various cartridges and tone arms. There are dirt and stain marks on the exterior (Tamura Eiji)
Maintenance information: 2024.6.6 operation confirmed
Accessories: none
Main specifications: MC boost transformer input 2 systems switchable, primary impedance 40 ohm, 3 ohm switching, secondary impedance 4 kΩ boost ratio 1:10 frequency characteristics 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g
The price has been reduced! 2024/3/15 sales price 79,800 yen 2023/11 maintenance completed! The middle class of the Sansui α series. The strength of the bass and the sharpness of the mid to high notes are mixed in a well-balanced manner, so you can enjoy not only jazz, but also various genres such as rock and pop music. The exterior is dull and the top plate is damaged. Serial 637065630 (Tomonori Asaine)
Maintenance information: 2023.11.23 Maintained (disassembling and polishing grease applied to each switch (tone, turnover, loudness, muting, subsonic, power amplifier direct, MM/MC, reckout switch), each volume and switch clean output relay and headphone relay replacement main amplifier and power supply part solder repair, interior and exterior inspection, cleaning, side cover screw replacement operation confirmation when power is turned on It makes a popping sound, but it stabilizes in a few minutes)
Accessories: copy of instruction manual
Main specifications: effective output 160W+160W (6Ω) 130W+130W (8Ω) damping factor 100 (6Ω) W448 × H160 × D441 mm 20.3 kg
Maintained in March 2024! A prime amplifier developed during the heyday of CDs and gained popularity. The powerful, punchy sound quality, which combines the quality of the mid-high range with the power of the low frequencies, is attractive. There is room not found in lower models, and you can enjoy the sound with a sense of scale typical of SANSUI. As for the exterior, there is a scratch on the top plate. Serial 611088582 (Tomonori Asane)
Maintenance information: 2024.3.21 maintained (tone and other switches dismantled and polished with grease applied (turnover, subsonic, muting, loudness, processor, input selector, reck-out, power supply direct, source direct, tape, MM/MC changeover switch), power amplifier, power circuit transistor, resistor, adjustment volume, diode replacement, solder repair, each volume, switch Cleaning, output relay, headphone relay replacement, DC, bias adjustment, interior and exterior inspection cleaning, operation confirmation)
Accessories: instruction manual
Main specifications: Advanced α-X circuit equipped with 160W+160W (8Ω) damping factor 150 (8Ω) Phonomm/MC compatible W460 x H159 x D446 mm weight 33 kg
Comes with original box First arrival at Hi-Fi Hall. Headphones with a focus on sound and design. You can enjoy it regardless of genre with clear lines of sound. It is characterized by being comfortable to wear without the impression that it is being compressed. It is in good condition (Sasaki Shota)
Maintenance information: 2024.6.2 operation confirmed
Accessories: manual, original box, connection cable
Main specifications: diamic sealed 40mm driver frequency characteristics 20 to 22 kHz impedance 30 ohms cord length 1.2 m 230 g
Maintenance has been completed, such as creating a new dust cover and replacing capacitors! Micro belt drive middle class player. Coupled with a 3.2 kg heavyweight platter, the tone is extremely quiet and smooth. The cabinet is also highly rigid, leading to thick, stable analog sound. There are dullness and small scratches on the exterior. Serial 49120206 (Yonejima Satoshi)
Maintenance information: 2024.6.1 Maintained (new dust cover created. Motor bearing oil replacement, replacement of deteriorated parts (electrolytic capacitors, semi-fixed resistors, rectifier diodes). Tone arm disassembly/bearing replacement. Lifter disassembly/grease up Speed switching SW, fine rotation adjustment, volume disassembly/contact polishing. Check turntable rotation speed, check arm operation, and needle pressure. Exterior cleaning, sound test, and other operation checks)
Accessories: No accessories
Main specifications: belt drive type static balance type tone arm needle pressure variable range 0 g to 3 g compatible cartridge dead weight 11.5 g to 21 g (including shell) W510 x H155 x D400 mm 13 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/4/2 sales price 448,000 yen This is a late C20 model that underwent full maintenance from the 2023/12 condenser to main VOL replacement. Among Mackin's control amplifiers, this is a popular gem with a particularly rich, glossy tone. Not only jazz, but also the vocal sounds are excellent. The unique, rich, and highly artistic tone shows a particularly good compatibility with vintage speakers. Exterior, front panel characters disappear a lot, dullness, small scratches, abrasions, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.4.2 maintenance completed (1/2 W resistor replacement and 3 noise countermeasures replaced) 2023.12.19 maintenance (vacuum tube 6X4, block capacitor, electrolytic capacitor, film capacitor, oil capacitor, resistor, main volume replacement. Gang error correction resistance 1/2 W added, switching noise reduction resistance 1/4 W added. RCA jack and vacuum tube socket caulk repair, operation check.)
Accessories: none
Main specifications: tubular phono 2 system phono equalizer curve variable use vacuum tube ECC83 x 5 ECC82 x 2 EZ90 x 1 W440 x H165 x D316 mm 8.7 kg
※The remote control is out of stock, so it's cheap. Marantz CD player with excellent value for money. The smooth sound quality spans from mid to high frequencies, so you won't get tired of listening even when you listen for a long time. This is a bargain machine with a sense of SN that is more than the price. There is dullness and a feeling of use (Kanai Hidetsugu)
Maintenance information: 2024.6.2 sound output confirmed
Accessories: instruction manual
Main specifications: CD player, CD-R/RW/MP3 file playback compatible, HDAM circuit adopted, size W440 x H89 x D317 mm, weight 5.7 kg
Maintained! Even though it was an entry-class CD player at the time, I felt that it was well-made. You can enjoy clear, tight low range and high frequency sound with good visibility. Many abrasions can be seen on the exterior and sides, and there are also small scratches, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.10.30 Maintenance completed (servo mechanical disassembly, rail, pickup oilless metal rust removal polishing. Tray drive belt replacement. Optical lens cleaning (Output VR cleaning)
Accessories: remote control, copy of instruction manual
Main specifications: center mechanical mount system D/A conversion method advanced H.D.L.C advanced pulse D/A converter score digital filter W430 x H125 x D375 mm 12 kg
The price has been reduced! 2024/5/17 sales price 49,800 yen Maintained! Sansui's rare CD player. The firm outline and comfortable sound are attractive. I would like to use it in combination with the company's α series premain for a unified look. In addition to listening to CDs, it also has a convenient function when recording to tape, etc., and has a variety of aspects. The exterior has scratches and line scratches. Serial 619097168 (Fujisawa Yukishi)
Maintenance information: 2024.5.17 Maintained (loading and clamp mechanism drive belt replacement. Front panel operation tact switch replacement. Optical system cleaning cleaning)
Accessories: No accessories
Main specifications: 1-bit linear & direct conversion system (4DAC) W430 × H127.5 × D397.5 mm 8.8 kg
Maintained! Sansui's rare CD player. The firm outline and comfortable sound are attractive. I would like to use it in combination with the company's α series premain for a unified look. In addition to listening to CDs, it also has a convenient function when recording to tape, etc., and has a variety of aspects. The exterior has small scratches and dullness appropriate for the model year (Oikawa Tetsuji)
Maintenance information: 2024.3.20 Maintained (The mechanical fixing parts were manufactured and replaced in 1 pair. The clamper and loading belt have been replaced. The velocity coil has been repaired and corrected. (The tact switch on the operation panel has been replaced)
Accessories: remote control
Main specifications: 1-bit linear & direct conversion system (4DAC) W430 × H127.5 × D397.5 mm 8.8 kg
Current product! First arrival at Style 35 Hi-Fi Hall with a beautiful piano black finish! The newly developed ribbon tweeter and woofer achieve high fidelity and strength with traditional diaphragms. As for the exterior condition, there are slight scratches on the side (Yamato Yuki)
Maintenance information: 2024.6.9 operation confirmed
Accessories: original box saran net
Main specifications: 2-way rear bass reflex type 85dB 4Ω W179 x H304 x D284 mm 6.8 kg
Pair tube, triode, metal base, made in America, comes with a box, is inexpensive because there are fewer gutters and there are burns ※Pairs are determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
Pair tube, triode, metal base, made in America, with original box, the size of the glass tube is different on the left and right, but the internal structure is the same ※The pair is determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
This is a special cleaner for 12-inch LP records that can clean records with 200W high-output ultrasonic waves. It can remove micro, stubborn dirt and dust that is invisible to the naked eye and adheres deeply to the sound groove. This effect also has an overwhelming impact on sound quality. The exterior is dull (Tomonori Asaine)
Maintenance information: 2024.6.2 operation confirmed
Accessories: Jogo power cable (general purpose)
Main specifications: built-in tank capacity 2.5 liters (use of commercially available purified water is recommended). Approximately 50 to 100 sheets can be washed with one water supply W435 ✕ H300 x D181 mm weight 14.4 kg
The disposal price has been reduced. Member discounts are not applicable. 2023/12/13 Sales price 138,000 yen Maintenance completed! Newcomb tube mono prime. An output of about 12W is output using a 6V6 output tube. It has an adjustment function for a total of 36 fine phono curves, 6 low frequencies and 6 high frequencies. The stylish look reminiscent of Old Marantz, such as the hood on the back, is irresistible. Since the input terminals are on the bottom, it is necessary to devise how to insert the RCA cable. The standard LEVEL position is M. Adjust the volume with LOUDNESS. SELECTOR's RUMBLE FILTER is valid only for PHONO. ※The hood is fitted very tightly, so it cannot be removed normally. There is a feeling of use due to appearance, dullness, small scratches, abrasions, etc. (Murakoshi Yoichi)
Maintenance information: 2023.12.12 maintenance completed (earth terminal added to bottom, vacuum tube 6AV6 replacement, 100 μF electrolytic capacitor and lug terminal added to 80/10 μF block capacitor, base leg replacement/HUM ADJ readjusted, vacuum tube socket and RCA jack caulk repair. Operation checked (measured at 11 to 15 W SP: 8 Ω with rated output AC 100 to 117 V).
Accessories: none
Key Specifications: 6V6P.P. Rated output 12 W LINE 3 system, PHONO (MM) 1 speaker compatible impedance 8, 16 ohms, W322 x H112 x D240 mm, 6.8 kg
※It has been replaced with a cloth edge. An improved version of the compact and popular blockbuster model CONTROL1. It is a speaker that can be used in a variety of ways, from pure audio to surround sound. There is a crack in the rubber part of the saran net (Oikawa Tetsuji)
Maintenance information: 2024.5.3 operation confirmed
Accessories: none
Main specifications: 2 way 2 speakers bass reflex bookshelf type 4Ω 125W W157 x H233 x D143 mm 1.8 kg
The disposal price has been reduced. 2024/5/10 sales price 498,000 yen Both inside and outside have been maintained! Crescendo is a speaker system developed by Electri and sold with Altech's approval. This time it's an original original box specification with the 605B mounted on it. You can enjoy the tasteful design unique to vintage speakers and the crisp American sound with good texture and momentum. The exterior is also beautifully finished due to maintenance, but there are repair marks on the net (Sasaki Shota)
Maintenance information: 2024.5.10 Maintained (exterior cleaning/touch repair. Network assembly) 2023.9.3 maintained (exterior repair/polishing/clear finish front and rear baffle repair/paint saran net simple cleaning
Unit maintenance (low range side: viscoid adjustment/center adjustment, high frequency side: lead disconnection repair, magnetic circuit rust removal/gap cleaning/center adjustment, terminal contact cleaning) network maintenance (characteristic check, terminal cleaning) unit detachment)
Accessories: none
Main specifications: frequency characteristics 20 to 20,000 Hz, use unit 38 cm, 605B (coaxial type with built-in horn), maximum input 50 W, output sound pressure level 97 dB, crossover frequency 1.6 kHz, impedance 16 Ω
W690×H1018×D485mm
Both the interior and exterior were maintained in June 2021! ALTEC CRESCENDO equipped with a 604E. It has an elegant, furniture-like look designed for use in the home, and stands out from Altech. As for the sound, the good localization unique to coaxialism and the small multi-cellular horn give off the good sense of sharpness typical of Altec, so you can enjoy a crisp American sound. The center cone of the unit is slightly different on the left and right. ATT Gari remains (Takasaki Atsushi)
Maintenance information: 2024.6.7 sound output confirmed
2021.6.15 Maintained (exterior repair/color loss painting/hakama repair, front baffle repair/paint processing trolley removal/hole filling repair, slip stud installation, saran net repair/reinforcement unit maintenance (low range: one-sided edge crack repair/application of dumping agent, edge repaired/center adjustment, high range: magnetic circuit slit cleaning/center adjustment, cleaning in various places) Removes aluminum seals that do not require unit detachment Treatment to prevent idling, re-fix the unfixed coils inside the treatment with silicon ATT contact cleaning. An exchange frequency characteristic measurement check (~ 42 kHz) is performed because the wiring is broken at the base of the resistor, and the original capacitor is continuously used to confirm the input/output waveform and balance for good results, check the sound output)
Accessories: saran net
Main specifications: frequency characteristics 20 to 20,000 Hz use unit 38 cm, 604E (coaxial type with built-in horn) network N-1500-A maximum input 50 W output sound pressure level 97 dB crossover frequency 1.6 kHz impedance 16 ohms W690 x H1,018 x D485 mm
Pair tube 6SL7 equivalent tube military tube brown base ring getter measurement value 52 (rejected value 32) with original box ※The measured value shows the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.
Sold per bottle, rectifier tube, GZ37 equivalent tube, made in England, measured value 62 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold per bottle, rectifier tube, GZ37 equivalent tube, made in England, measured value 62 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold per bottle, rectifier tube, GZ37 equivalent tube, made in England, measured value 62 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale rectifier tube GZ37 equivalent tube heat pipe made in England measured value 64 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale rectifier tube GZ37 equivalent tube heat pipe made in England measured value 64 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, but only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 36 (rejection value 32) with replacement box*The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box