The price has been drastically reduced. 2024/4/17 sales price 128,000 yen Maintained! Quad control amplifier The famous machine 44 has been refreshed by changing the back terminal to an RCA specification that is easy to handle. It's a perfect balance between freshness and richness. When paired with speakers made in England, you can enjoy a calm, high-quality sound (Daiki Goto)
Maintenance information: 2024.4.17 maintained (internal all checks, B-filter capacitor deterioration, +- 18V drive Tr leak large, rectifier diode failure instability → replacement power SW spark killer broken → replacement. C and R checks within each board. *There is a sound leak at main volume 0. (Create 2 1.5m DIN5 cables)
Accessories: copy of instruction manual, power cable, connection cable
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
A set of 2 seems to be a choke transformer, but the details are unknown. Measured DC resistance value 380/373Ω W31H95 x 44mm 0.31 kg/piece (actual measurement, not including protrusions), only conduction and resistance values have been confirmed by a tester (Kojima Yosuke)
Accessories: none
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke)
Accessories: original box
Input transformer pair sale primary impedance 600 Ω (150 Ω split) secondary impedance 600 KΩ (150 kΩ split) primary inductance 70H W50 × H70 × D57 mm 0.75 kg/piece (actual measurement, not including protrusions) The badge is discolored, and there are scratches in places (Kojima Yosuke)
Accessories: specifications
The price has been drastically reduced. 2024/2/12 sales price 89,800 yen ※It has been replaced with a non-genuine edge. You can enjoy voluminous bass with highly efficient and heavy cone paper. It is also durable with a gathered edge, and is also recommended for backload and front load enclosures. There are viscoid sagging marks (Oikawa Tetsuji)
Maintenance information: 2024.2.12 Operation confirmed
Accessories: none
Main specifications: rated input 150 W frequency characteristics 30 Hz to 2 kHz 16 ohms efficiency 96 dB crossover frequency 800 Hz recommended enclosure volume 170 to 225 liters depth 146 mm 7.5 kg
The price has been drastically reduced. 2024/1/13 sale price 99,800 yen rare Gauss 46cm woofer! This is the first model to arrive at Hi-Fi. Unlike JBL woofers, it is characterized by sound tightness and strength of extrusion. It also seems interesting to use it as a 4345 woofer (Sasaki Shota)
Main specifications: Ferrite magnet 46cm woofer impedance 8Ω (measured DC resistance value 6.3Ω, 6.0Ω) 8.7kg (actual measurement)
The price has been drastically reduced. 2024/3/18 sales price 79,800 yen ALTEC's royal unit used in A7 etc. It's a woofer with a good sense of clarity and a light sound. It has a sense of dynamism and goes well with jazz and rock (Shota Sasaki)
Maintenance information: 2024.3.18 sweep test good
Accessories: none
Main specifications: 38cm ferrite magnetic woofer, 97db, 8Ω, 20Hz to 1600Hz, weight 9.4 kg, baffle opening diameter 35.9 cm
The price has been reduced. 2023/12/31 selling price 19,800 yen Infiniti's slightly rare center speaker. Unlike a domestically produced center speaker that mainly plays the vocal band, you can feel the nuance of a Scandinavian speaker that plays as if it were floating in space. There are small scratches on the exterior, and the saran net is partially torn (Oikawa Tetsuji)
Maintenance information: 2023.12.31 operation confirmed
Accessories: none
Main specifications: 3 way 4 speakers 6 ohms W509 x H230 x H270 mm 12.5 kg
Maintained by the manufacturer! This model was the first to use an ALPHA processor in the best-selling 1650 series. The mid and low frequencies are quite stable, and the balance depicts rich, rich music regardless of genre. The exterior has dents on the front panel corner, and there are line scratches, small scratches, dullness, etc. ※The remote control is out of stock (Oikawa Tetsuji)
Maintenance information: 2024.4.17 manufacturer maintained (inside the CD mechanism, loading belt, tray opening/closing SW replacement. VR has been reworked. The HF waveform of the laser pickup is within the regulations and is currently fine. Sound output test)
Accessories: copy of instruction manual ※ remote control missing
Main specifications: Real 20-bit 4DAC/Lambda Super Linear Converter with 20-bit 8x oversampling digital filter+GIC 3rd order analog filter frequency characteristics 2Hz to 20kHz W434 x H120 x D340 mm 10.2 kg
Maintained! A 1500 Hz crossover network perfect for combining the LE14A with the 175DLH and LE175. The exterior is dull and has small scratches (Oikawa Tetsuji)
Maintenance information: 2024.4.17 Maintained (2 VR attenuators, 12 screws, 24 insulating washers replaced)
Accessories: none
The disposal price has been reduced. Member prices are not applicable. 2024/4/11 sales price 158,000 yen Maintained. with cabinet! Macintosh transistor AM/FM tuner. You can enjoy the deep, chiseled sound typical of McKinn even with a tuner. Small scratches and dullness can be seen. (GOTO Daiki)
Maintenance information: 2024.4.11 Maintained (poor contact with tuning encoder VOL → cleaning, other checks. (Reinstall the pan lock.)
Accessories: copy of instruction manual
Main specifications: stereo compatible digital display FM/AM tuner W406 x H138 x D330 mm
※The veneer is peeling, the top plate is undulating, and the grill is indented, so it is inexpensive. This high CP model was released in the 49th year of Diatone's founding. It has a very well-balanced, rounded, and gentle tone. I can do everything from jazz and rock to classical and pop music as an all-rounder (Oikawa Tetsuji)
Maintenance information: 2024.4.15 Operation confirmed
Accessories: none
Main specifications: 3 way 3 speakers, 6.3 ohms, sound pressure level, 90 dB, W380 x H680 x D295 mm, weight 25 kg
The price has been drastically reduced. 2024/4/11 sales price 118,000 yen ※It's cheap because it doesn't have a hood. Maintained! Vacuum tube stereo power amplifier. The bright and fresh sound typical of DYNACO is attractive. This is an amplifier I want to play in combination with JBL, Altec, etc. The grill is missing, and there is a feeling of use due to aging (Daiki Goto)
Maintenance Information: 2024.4.11 Maintained (· Block Capacitor 30/20/20 μF Defect Replacement · Stereo/Mono Switch Defect Replacement · Shock Noise Improvement Measures → Spark Killer Addition · Vacuum Tube 7199 Noise Exchange · Mylar Capacitor 390pF Deterioration Replacement 2 · Resistors 1/2 W Deterioration Replacement · BIAS Readjustment · Vacuum Tube Socket and RCA Jack Caulking Repair. *Other operation checks have been performed (measured at 32 to 41 W SP: 8 Ω at rated output AC 100 to 117 V)
Accessories: instruction manual
Main specifications: rated output 35W+35W vacuum tube EL34 x 4 7199 x 2 GZ-34 x 1 W330 x H165 x D240 mm 12.5 kg
The price has been reduced. 2024/3/6 sales price 15,000 yen*Currently sold because it is cheap. Small mixer with built-in processor. It can also be used as a PA processor by installing it between the mixer and power amplifier (Oikawa Tetsuji)
Maintenance information: 2024.3.6 operation confirmed
Accessories: power adapter
Main specifications: W155 x H40 x D102 mm (excluding protrusions) 540 g
The price has been 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 at the same time (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)
※ The stylus is a genuine SHURE VN35HE. The lock on the needle cover doesn't work, so it's cheap. Good needle tip! It combines the delicate expressive power unique to light needle pressure with an energetic, thick sound typical of Type 3. Recommended for those who listen to jazz and rock (Daiki Goto)
Maintenance information: 2024.4.10 operation confirmed
Accessories: none
Main specifications: mm type frequency range 10 Hz to 25,000 Hz output voltage 3.5 mV needle pressure 0.75 g to 1.25 g weight 6 g
※There is no problem with operation, but it is currently sold because it is cheap. Compact and lightweight phono equalizer. Please use it with a Miji component or a pre-main amplifier without a phono input. Perfect as an introductory machine (Daiki Goto)
Maintenance information: 2024.4.10 operation confirmed
Accessories: power cable, original box
Main specifications: MM dedicated phono equalizer W70 x H30 x D92 mm 160 g
※Only 1 bottle is currently sold because it is cheap. Bookshelf speakers made in England. It features compact, tight low frequencies and stretchy mid-high frequencies. There are scratches, threads, and the smell of oil (Daiki Goto)
Maintenance information: 2024.4.10 operation confirmed
Accessories: none
Main specifications: 89dB 6Ω W210 × H380 × D220 mm 5.4 kg
RCA cable, 1.0 m pair, 2-core shield structure, rhodium-plated plug suppresses sound dramatization and reproduces the individuality of the amplifier and player as it is. The plug shell is dull and discolored a lot, and the LR coloring is deteriorated and damaged, so it is inexpensive (Kojima Yosuke)
Accessories: none
Pair tube KT88 compatible ball American metal base measurement value 58/52 (rejection value 44) There is getter burn and loss on one side, and there is dullness on the base on the other side ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube KT88 compatible ball American metal base measurement value 68/62 (rejected value 44) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
※There is no problem with operation, but since it is cheap, it will be handed over as is. A threatening center speaker that supports playback up to 90 kHz. If you are looking for detailed sound, please consider it. Equipped with a direct drive super tweeter. There are 4 corks attached to the top plate (Oikawa Tetsuji)
Maintenance information: 2024.4.7 operation confirmed
Accessories: none
Main specifications: 6Ω 80W dimensions W360 x H71 x D163 mm weight 2 kg
The disposal price has been reduced. Member prices are not applicable. 2023/10/23 sales price 29,800 yen ※Currently sold. Comes with a special case! Portable headphone amplifier with built-in D/A converter. DSD256 (11.2 MHz/1 bit) PCM supports native playback of up to 768 kHz/32 bit. Please enjoy the sound quality unique to a thick mojo in the mid to low range. There is dullness and a feeling of use (Sasaki Shota)
Maintenance information: 2023.10.23 Operation confirmed
Accessories: original box
Main specifications: output level 35 mw/600 ohm, 720mw/8 ohm, output impedance 0.075 Ω, dynamic range, 125 dB input system, 3 optical systems, 1 coaxial x 1, microUSB x 1, 2 output systems, headphone jack x 2, charging time, approx. 5 hours continuous operation time, approx. 8 hours W82 x H60 x D22 mm 180 g
The price has been reduced. L2024/2/10 sales price 19,800 yen arm pipe storage keeper It stores the company's 4 arm pipes and is compatible with both AC-300MK2, 400MK2, 3000MC, and 4000MC lengths. Main weights, sub weights, etc. can also be inserted. There is dirt and dullness (Daiki Goto)
Accessories: none
Main specifications: W430 x H40 x D135 mm 740 g (actual measurement)
Pair tube, KT88 compatible ball, American metal base, measured value 66/64 (rejected value 44) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube KT66 equivalent tube military British tea base double gettering lot: XM/XM measured value 50/50 (rejected value 32) There is writing on the guide pin with white box*Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, KT66 equivalent tube, military British tea base, double gettering lot: XM/XM measured value 56/50 (rejected value 32) There is writing on the guide pin with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
The disposal price has been reduced. Member discounts are not applicable. 2023/12/16 sales price 25,000 yen ※1 bottle only. Bass reflex enclosure imitating JBL's mid-size speaker S-99Athena. The lattice grill that symbolizes old JBL is well-made. In addition to being able to see many defects in the exterior and lattice, there is a feeling of use such as dullness, abrasions, small scratches, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: woofer aperture diameter 316 mm, screw pitch (diagonal) 338 mm high range aperture diameter 134 mm, screw pitch (diagonal) 160 mm W610 x H450 x D314 mm 16.5 kg
All units have been overhauled, including the woofer, mid, driver and tweeter, and network! It is an individual that has been fully restored, including the exterior. The original 4343 by All Alnico, the original 4343 of 4343! The crisp low frequencies and punchy high frequencies are unbearable, and popularity continues unabated even now. The dynamic sound typical of JBL has been revived due to maintenance. It is a famous monitor that can best reproduce the sound source of on-microphone recordings regardless of age or genre (Sasaki Shota)
Maintenance information: 2024.4.4 Maintained (exterior repair/gray paint. Front and rear baffle repair and painting. Saran net replacement/frame repair. Woofer maintenance: edge replacement, corn paper coating. Midmaintenance: edge replacement, corn paper coating. Driver maintenance: magnetic circuit rust removal/gap cleaning/center adjustment, sound absorbing material replacement, terminal cleaning/screw replacement. Tweeter maintenance: magnetic circuit rust removal/gap cleaning, terminal cleaning/screw replacement. Network maintenance: frequency characteristic check, ATT cleaning, terminal cleaning/screw replacement, switching SW contact cleaning, high frequency capacitor replacement)
Accessories: none
Main specifications: 4 way 4 speaker bass reflex type 2405/2420/2121/2231A crossover 300Hz/1250Hz/9500Hz 8Ω 93dB W635 x H1,051 x D435 mm 83.9 kg/book
The price has been reduced. 2024/2/23 sales price 35,000 yen KRK powered speaker equipped with a Class D power amplifier. The amplifier section is equipped with an equalizer to help adjust room acoustics (Sasaki Shota)
Maintenance information: 2024.2.23 Operation confirmed
Accessories: power cable, original box
Main specifications: 2-way 145 W playback frequency band 42 Hz to 40 kHz input balance, standard jack W225 x H339 x D284 mm 7.6 kg
This is only the top plate part of the company's GT-9721. There are scratches, stains, etc. (Oikawa Tetsuji)
Accessories: none
Main specifications: W1165 x H45 x D580 mm
※There is no problem with operation, but since it is cheap, it will be handed over as is. Remote control is missing. AM/FM stereo tuner with dual-gate MOS FET on the front end. The tone is bright and natural. There is rubbing near the power button (Sasaki Shota)
Maintenance information: 2024.3.24 Operation confirmed
Accessories: none
Main specifications: AM/FM stereo synthesizer tuner dimensions W428 x H86 x D295 mm weight 3.2 kg
※It is currently sold because it is cheap. AM/FM tuner equipped with AM stereo. There is dirt and a feeling of use (Oikawa Tetsuji)
Maintenance information: 2024.4.3 operation confirmed
Accessories: none
Main specifications: W260 x H96 x D336 mm Weight 2.3 kg
Maintained! Pre-main amplifier with built-in DA converter. An amplifier that allows you to enjoy a gentle, expansive sound like Denon with analog input, and sound quality with a wide range with digital input. This amplifier can also be recommended as an amplifier to be combined with PC audio (Daiki Goto)
Maintenance information: 2024.2.21 maintained (function, recout, digital input, speaker, tape, loudness switch disassembly, polishing grease application, output relay replacement, bus volume replacement, solder repair, various volumes, switch cleaning, interior and exterior inspection and cleaning, digital input/output confirmation, operation confirmation. (*Since the bus volume is similar, the bus lifts slightly when the source is directly off)
Accessories: none
Main specifications: 110W+110W (8Ω) phono (MM/MC switching) 5 digital input systems (coaxial x 3/optical x 2) W434 x H180 x D420 mm 18 kg released in 1989 (Kojima Yosuke)
A low price pre-main amplifier that allows you to enjoy Marantz-like sound. How about it as an introduction to audio or as a subsystem, etc. There is a feeling of use such as scratches and dullness
Maintenance information: 2024.4.1 operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: W440×H124×D340 mm 7.5 kg
2018 fully restored item. This model omits the MC step-up transformer. The rear speaker terminal has also been changed to one compatible with banana plugs to match modern usability. Although it is a model from the 60s, there is no sense of a faded sound, and it feels like the flat, thick lackstone has been revived energetically. The sound without getting tired even after listening to it for a long time makes me fully experience the luster and warmth of stringed instruments. There are stains all over the exterior, and there are line scratches, fading, etc. on the cabinet (Sasaki Shota)
Maintenance information: 2018.8.25 Maintained (9P socket, SP terminal, RCA terminal, block capacitor, volume/BAL/TCVR, semi-fixed resistor, coupling capacitor, AC cord, resistor replacement. Power SW contact deterioration prevention relay added. SW/VR disassembly, cleaning, solder correction. (Internal and external cleaning, circuit readjustment, waveform check, input/output check, load test, sound output test)
Accessories: copy of the manual
Main specifications: output 10W+10W input terminal AUX1 · 2 Phono 1 · 2 (mm) W470 x H175 x D275 mm weight 14 kg
Self-made enclosure for 38cm units. An ALTEC 416-8C was installed. It is sturdy and heavy. There is a feeling of use on the exterior, such as scratches, paint chips, paint on the back, and screw holes in the top plate. ※Shipping costs will be estimated separately (Mizusaki Ryo)
Accessories: saran net
Main specifications: W660 x H995 x D465 mm (including casters) woofer aperture 360 mm φweight 51.1 kg (actual measurement)
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
Power transformer primary: 100V secondary: 350v-320v-290 v-70v-290 v-320v-350V/DC150mA, 6.3V-2.5V/3A x 2, 6.3V-5V/3A with original box (Kojima Yosuke)
Accessories: original box
Power transformer 1st order: 100V 2nd order: 220V-200V-180V-180V-220V/DC190ma, 6.3V-2.5V/3A, 6.3V-2.5V/3A, 6.3V-5V/3A, 5V/3A W102 × H77 × D86 mm approx. 3.2 kg (actual measurement, not including protrusions) There are scratches in places on the cover with the original box (Kojima Yosuke)
Accessories: original box
Sony Theatre System Tallboy Speaker The sweep test is good, but since the corn paper has dents, it is currently sold at a low price. This speaker is easy to use with both front and rear speakers. There are small wounds and dullness (Sasaki Shota)
Maintenance information: 2024.3.18 Operation confirmed
Accessories: nothing
Main specifications: W60 x H1050 x D60 mm bottom 250 mm weight 3.4 kg (actual measurement)
Output transformer sale push pull output 40W primary: 8 kΩ secondary: 4-8-16 Ω W83 x H104 x D 78 mm 2.3 kg/piece There are abrasions and line scratches in places (Kojima Yosuke)
Accessories: none
The price has been reduced. 2024/2/20 sales price 49,800 yen 2-way bookshelf speaker system. It's the most compact speaker in the company's 600 series, yet it's second to none in terms of power and accuracy due to the new separate double dome tweeter and design improvements. It is in good condition (Sasaki Shota)
Maintenance information: 2024.2.20 sweep test good
Accessories: none
Main specifications: playback frequency 54 Hz to 50 kHz efficiency 85 dB impedance 8 ohm crossover 4 kHz dimensions W160 x H315 x D229 mm weight 4.6 kg
Set of 4 140mm pole (19mm diameter) black pole Please use it when adding shelves such as Q4 or Q4D. The exterior has dullness and small scratches (Mizusaki Ryo)
Accessories: none
Key Specifications: 140mm length/19mm diameter optional pole
100mm pole (19mm diameter) set of 4 black color Please use it to add shelves or extend poles for Q4, Q4D, etc. There are abrasions and line scratches in places (Mizusaki Ryo)
Accessories: none
Key Specifications: 100mm length/19mm diameter optional pole
It smells like an air freshener, and since ATT has cracks, it is cheap, and is currently discontinued. A bookshelf type speaker that uses a uniquely developed hard dome unit. It is a speaker characterized by a well-balanced, clear, and bright sound. There are small scratches, dents, and net holes (Daiki Goto)
Maintenance information: 2024.3.12 operation confirmed (with ATT gaps)
Accessories: none
Main specifications: 3 way 3 speaker bass reflex system frequency band 30Hz to 30kHz impedance 6Ω sound pressure level 94 dB dimensions W390 x H710 x D350 mm weight 27.5 kg/book
Set of 4 140mm pole (19mm diameter) black pole Please use it when adding shelves such as Q4 or Q4D. The exterior has dullness and small scratches (Mizusaki Ryo)
Accessories: none
Key Specifications: 140mm length/19mm diameter optional pole
Set of 4 140mm pole (19mm diameter) black pole Please use it when adding shelves such as Q4 or Q4D. The exterior has dullness and small scratches (Mizusaki Ryo)
Accessories: none
Key Specifications: 140mm length/19mm diameter optional pole