SE-A808Japan

This item has been sold.You can't purchase now. 25-48371-25467-00
SE-A808
Manufacture:Technics
Original price: JPY 35,000
Price: JPY 4,545 Sold Out
Power amplifiers (transister)
Japan 1980 made
Arrival: 2025-12-15 20:08:10
description
*Currently sold. It is a stereo power amplifier with a simple configuration. It seems that it was supposed to be used in pair with the ST-K808 tuner amplifier. If you've been looking for one, take this opportunity. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi) Maintenance information: 2025.12.13 Operation confirmed Accessories: none Main specifications: rated output 45W+45W 8Ω 20Hz-20kHz W430 × H76 × D280 mm 6.5 kg 

AMPZILLA 2AU.S.A

This item has been sold.You can't purchase now. 25-48084-23110-00
AMPZILLA 2A
Manufacture:GAS
Original price: JPY 499,000
Price: JPY 180,000 Sold Out
Power amplifiers (transister)
U.S.A 1976 made
Arrival: 2025-12-14 20:02:43
description
Maintained! The final model of Ampzilla. A representative American sound with strong, tight low frequencies! The dry, clean-sounding character is the perfect match for vintage speakers of yesteryear. This is a masterpiece machine that briskly drives famous speakers from JBL and Altec. Externally, there are scratches, dullness, and dirt on the panel. Serial 104146 (Yonejima Satoshi) Maintenance information: 2025.12.14 Maintained (left CH indicator on → control ICNG → DC check → LR both OK) 2025.11.30 maintained (first stage Tr, servo IC, etc. mounting socket replacement. Replace the output temperature switch. Replace each coupling C and bypass C in the driver board. Check all the others. Rubber foot replacement. Operation check) Accessories: No accessories Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg

MA-7Japan

This item has been sold.You can't purchase now. 25-48317-25070-00
MA-7
Manufacture:marantz
Original price: JPY 300,000
Price: JPY 125,455(pair)Sold Out
Power amplifiers (transister)
Japan 1988 made
Shop: Osu shop
Arrival: 2025-12-09 19:57:19
description
Marantz mono power amplifiers are in stock for the first time in about 5 years! Maintained in 2019. Marantz mono power amplifier equipped with a MOSFET output stage. Surprisingly few in stock, this is a rare gem. The sound quality is thick, powerful, and light, and the sense of density and temperature in the middle sound is excellent, especially when driving in Class A, and a sense of volume remains even at low volume levels. There is a switch that reverses the phase of the output 180° without changing the speaker connection, and it is an amplifier that pays attention to details. Externally, there is a scratch on the side. Serial MZ01732030038, MZ01732030039 (Fujisawa Yukishi) Maintenance information: 2019.12.5 maintained (S/N38, 39 joint dismantling check. SP mute relay contact polishing. Driver board internal resistance replacement. Operation check OK. (Other C and R internal checks OK) Accessories: instruction manual Main specifications: pure A grade 30W/AB grade 120W switchable power consumption 150W dimensions W208 x H163 x D359 mm weight 10 kg

MC7270U.S.A

This item has been sold.You can't purchase now. 25-47969-22035-00
MC7270
Manufacture:McIntosh
Original price: JPY 680,000
Price: JPY 270,909 Sold Out
Power amplifiers (transister)
U.S.A 1985 made
Arrival: 2025-11-21 19:57:31
description
Maintained! The Macintosh 7000 series stereo power amplifier was announced to coincide with the advent of the CD era. It seems to be the core model at the time, and it drives a large speaker with unique sweet and sticky sound quality, and the thick and gorgeous sound typical of the company is attractive. The exterior has a feeling of use such as dullness and small scratches. ※Although it is hard to see from the front, there is peeling on the left edge of the front panel (see bottom of the photo). Serial JFA8923 (Tomonori Asaine) Maintenance information: 2025.11.21 maintained (power SW replacement, power stage Tr check, each SW, VOL, connector cleaning, operation check) Accessories: copy of instruction manual Main specifications: 270W+270W power guard circuit equipped with frequency characteristics 20 to 20 kHz damping factor 30 W 410 x H195 x D400 mm 37.2 kg

TA-N86Japan

This item has been sold.You can't purchase now. 24-41621-00932-00
TA-N86
Manufacture:SONY
Original price: JPY 90,000
Price: JPY 98,182 Sold Out
Power amplifiers (transister)
Japan 1978 made
Shop: Osu shop
Arrival: 2025-12-05 20:12:14
description
The price has been drastically reduced. 2025/12/5 sales price 128,000 yen maintenance including replacement of 26 deteriorated electrolytic capacitors! This amplifier has a reputation for use in multiple systems. The original powerful sound, which has a wide range and is clear, has been revived. It is thin and can be used for a wide range of purposes, from sub to multi-use. There is a small dull wound (Sasaki Shota) Maintenance information: 2025.12.5 Maintained (Electrolytic capacitors, tantalum capacitors, semi-fixed resistors, and lamps will be replaced. Power switch installation correction. Transfer switch, relay disassembly contact cleaning. (We will clean the panel, rear terminals, and housing) Accessories: none Main specifications: 80W+80W (B grade) 18W+18W (A grade) DC amplifier configuration W480 x H80 x D380 mm 8.6 kg

TA-N86Japan

This item has been sold.You can't purchase now. 22-36607-45818-00
TA-N86
Manufacture:SONY
Original price: JPY 90,000
Price: JPY 98,182 Sold Out
Power amplifiers (transister)
Japan 1978 made
Shop: Osu shop
Arrival: 2025-12-05 20:12:11
description
The price has been drastically reduced. 2025/12/5 sales price 128,000 yen, maintenance including replacement of 27 deteriorated electrolytic capacitors! This amplifier has a reputation for use in multiple systems. The original powerful sound, which has a wide range and is clear, has been revived. It is thin and can be used for a wide range of purposes, from sub to multi-use. There is a small dull wound (Sasaki Shota) Maintenance information: 2025.12.5 Maintained (Electrolytic capacitors, tantalum capacitors, semi-fixed resistors, and lamps will be replaced. Transfer switch and relay disassemble and clean. (We will clean the panel, rear terminals, and housing) Accessories: none Main specifications: 80W+80W (B grade) 18W+18W (A grade) DC amplifier configuration W480 x H80 x D380 mm 8.6 kg

M-10Japan

This item has been sold.You can't purchase now. 25-47863-21058-00
M-10
Manufacture:LUXMAN
Original price: JPY 780,000
Price: JPY 388,182 Sold Out
Power amplifiers (transister)
Japan 1997 made
Arrival: 2025-12-06 20:14:05
description
The price has been reduced! 2025/12/6 sales price 450,000 yen Maintained! The highest-grade Lux stereo power amplifier model from the latter half of the 90s. It is characterized by a moderately tight sound with a sense of volume. It is a high performance universal amplifier with a deep sense that can honestly express the characteristics of a preamp. On the exterior, there are small scratches on the front panel and scratches scattered on the top plate. Serial W70210038 (Yonejima Satoshi) Maintenance information: 2025.12.6 maintained (disassembly contacts were cleaned due to poor contact with the rear panel attenuator. The slide switch disassembly contacts have been cleaned. , offset voltage check, internal cleaning, input/output operation check) Accessories: power cord Main specifications: 250W+250W (8Ω) W467 x H233 x D482 mm 43.5 kg

D-45U.S.A

This item has been sold.You can't purchase now. 25-48312-25002-00
D-45
Manufacture:CROWN
Original price: JPY 87,000
Price: JPY 18,000 Sold Out
Power amplifiers (transister)
U.S.A
Arrival: 2025-12-08 19:38:50
description
*Currently sold. 120V specification. CROWN commercial power amplifier. It features driving power unique to professional use that lifts straight. The high braking power at high volume fully demonstrates the quality of a professional device. The exterior has small scratches and dullness. Serial 8500259025 (Hiura Katsuji) Maintenance information: 2025.12.7 sound output confirmed Accessories: none Main specifications: output 25W+25W (8Ω) 120V specification natural air cooling method W483 × H45 × D213 mm 4.5 kg

SON OF AMPZILLAU.S.A

This item has been sold.You can't purchase now. 25-45642-04121-00
SON OF AMPZILLA
Manufacture:GAS
Original price: JPY 298,000
Price: JPY 98,182 Sold Out
Power amplifiers (transister)
U.S.A 1976 made
Arrival: 2025-12-05 20:10:40
description
The price has been drastically reduced. 2025/12/5 sales price 128,000 yen Maintained. A model that inherits the sound of the higher-level model AMPZILLA and has been made more compact. It's a thick, extruded American sound. A straight sound pops out of a simple circuit. If you don't add a fair amount of gain, you won't touch the indicator needle, but it's a specification. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.28 maintenance (power transistor replacement, running test) 2022.12.8 maintained (both channel dismantling c, R, Tr all check DC offset VOL replacement, bias VOL replacement, adjustment operation confirmation) Accessories: none Main specifications: 80W+80W (8Ω) W483 x H145 x D307 mm (actual measurement) 11.5 kg (actual measurement)

SV-4Japan

This item has been sold.You can't purchase now. 25-48274-24702-00
SV-4
Manufacture:SUNVALLEY
Original price: JPY 300,000
Price: JPY 134,545(pair)Sold Out
Power amplifiers (transister)
Japan
Shop: Osu shop
Arrival: 2025-12-07 20:30:53
description
This is a mono vacuum tube power amplifier made in homage to the famous QUAD2. Clean, clear sound with good visibility. The mild, highly transparent sound of strings and pianos reproduces a bright atmosphere even when playing CDs. There is corrosion on the logo plate (Sasaki Shota) Maintenance information: 2025.12.7 operation confirmed Accessories: manual, power cable Main specifications: KT66 push pull 19.85W+19.85W (manufacturer measurement value) W320 x H155 x D130 mm 8 kg/unit

AMPZILLA 2aU.S.A

This item has been sold.You can't purchase now. 25-47846-20938-00
AMPZILLA 2a
Manufacture:GAS
Original price: JPY 499,000
Price: JPY 107,273 Sold Out
Power amplifiers (transister)
U.S.A 1976 made
Arrival: 2025-12-03 20:08:45
description
The disposal price has been reduced! (Member prices are not applicable) 2025/12/3 sales price 148,000 yen ※ It is cheap because the meter is defective on one side (there is a meter difference between the left and right, and the starting position is not 0) Maintained! The final model of Ampzilla. A representative American sound with strong, tight low frequencies! The dry, clean-sounding character is the perfect match for vintage speakers of yesteryear. This is a masterpiece machine that briskly drives famous speakers from JBL and Altec. The exterior is dull and dirty. The fuse holder has been replaced with a black one. Serial 104730 (Tamura Eiji) Maintenance Information: 2025.12.3 Maintained (fuse holder replaced. Meter switch disassembly contact cleaning. (*The internal movement of the meter was poor, and the meter was disassembled, but repairs were not possible) 2022.5.12 Maintained (fuse holder lock claw adjustment. Replace the fuse. 0 point meter adjustment Offset voltage, idling current adjustment. (Other internal inspection voice check) Accessories: No accessories Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg

MC2205

This item has been sold.You can't purchase now. 25-47974-22068-00
MC2205
Manufacture:Mcintosh
Original price: JPY 788,000
Price: JPY 298,182 Sold Out
Power amplifiers (transister)
Shop: Osu shop
Arrival: 2025-12-05 20:14:46
description
Maintained! Comes with wood cabinet! A masterpiece model from the heyday of Mackin. The thickness of the extrusion, richness, and exhilarating sound with a punch that cannot be obtained with modern amplifiers is unique to Mackins of this age. There is discoloration in the cabinet (Sasaki Shota) Maintenance information: 2025.12.5 maintained (both channel noise → defective zener diode capacitor in the power supply board, C deterioration meter in the driver board, display lamp replacement, speaker relay contact cleaning/each connector, SW, VOL cleaning/power, speaker switch internal warpage reinforcement correction, panel peeling correction (characters cannot be corrected), power stage Tv check, internal and external cleaning) Accessories: none Main specifications: 200W+200W (1/2/4/8Ω) input sensitivity 0.75/2.5V W411 × H181 × D368 mm 38.6 kg

No.23LU.S.A

This item has been sold.You can't purchase now. 25-48186-24038-00
No.23L
Manufacture:Mark Levinson
Original price: JPY 1,040,000
Price: JPY 279,091 Sold Out
Power amplifiers (transister)
U.S.A 1987 made
Arrival: 2025-11-24 19:45:16
description
The disposal price has been reduced. Member discounts are not applicable. 2025/11/24 sales price 448,000 yen A stereo power amplifier with a traditional dual mono configuration. The overwhelming driving power and precise sound are attractive. You can enjoy the strong driving power that allows even a 38cm woofer to brake well, and the hot sound unique to Levinson of this era. You can see a feeling of use, such as appearance, dullness, abrasions, small scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.24 Operation confirmed Accessories: Remo pin x 2, balance short pin x 2, copy of instruction manual, power cord Main specifications: stereo power amplifier, dual mono configuration, 200W+200W (8Ω), 800W (8Ω, when connected to a bridge), input impedance 50kΩ, W483 x H210 x D450mm, 40 kg

A-20Japan

This item has been sold.You can't purchase now. 25-48259-24599-00
A-20
Manufacture:Accuphase
Original price: JPY 320,000
Price: JPY 134,545 Sold Out
Power amplifiers (transister)
Japan 1995 made
Arrival: 2025-11-29 19:53:51
description
The disposal price has been reduced! (Member discounts are not applicable) 2025/11/29 sales price 178,000 yen AccuPhase pure A grade power amplifier. The balance is good even at low volume, and the sound like a vacuum tube amplifier is unique to pure A grade. The warm, rich tone is also a staple for the mid to high range of multiple amplifiers. Externally, there are some scratches on the front. Serial F8Y834 (Tamura Eiji) Maintenance information: 2025.11.29 Operation confirmed Accessories: power cable Main specifications: pure A grade stereo amplifier, 20W+20W/8Ω, 2 input systems (1 balanced/unbalanced each), can be connected to a bridge, W475 x H170 x D426 mm, 22.6 kg

1705U.S.A

This item has been sold.You can't purchase now. 25-48182-24017-00
1705
Manufacture:BOSE
Original price: JPY 27,800
Price: JPY 9,091 Sold Out
Power amplifiers (transister)
U.S.A
Arrival: 2025-12-01 19:20:20
description
*Currently sold. A power amplifier optimized for BOSE101 speakers. It comes with an equalizer position for 101 to match frequency characteristics. It is a compact and easy to use car. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.26 Operation confirmed Accessories: none Main specifications: 20W+20W (4Ω) input stereo 1 system output stereo 1 system W218 × H60 × D157 mm 2.6 kg

P-300SJapan

This item has been sold.You can't purchase now. 25-46567-11312-00
P-300S
Manufacture:Accuphase
Original price: JPY 260,000
Price: JPY 125,455 Sold Out
Power amplifiers (transister)
Japan 1977 made
Arrival: 2025-11-21 15:45:42
description
The disposal price has been reduced! (Member prices are not applicable) 2025/11/21 sales price 178,000 yen Maintained! with cabinet! Second generation model of the famous P-300 series. The sharp, sharp, and exhilarating sound is alive and well. It also goes well with JBL, etc., and makes a powerful sound. You can enjoy rough sounds that cannot be experienced with current products. The exterior is scratched, dull, etc., and has a feeling of use over time. Serial 19x540 (Jun Tamai) Maintenance information: 2025.11.20 Maintained (SUBSONIC switch disassembly contact polishing and other switches, volume, disassembly contact polishing as much as possible, replacement transistor deterioration due to film capacitor deterioration in each circuit, replacement, tubular capacitor deterioration replacement, 2 meter lamps, disconnection, all replacements, comprehensive adjustments.) Accessories: instruction manual power cable Main specifications: 150W+150W (8Ω) W445×H160×D355mm 25kg

WRP-αZERO/STUDIO(Ver.UP)Japan

This item has been sold.You can't purchase now. 25-48194-24160-00
WRP-αZERO/STUDIO(Ver.UP)
Manufacture:West-River
Original price: JPY 427,619
Price: JPY 90,727 Sold Out
Power amplifiers (transister)
Japan 2007 made
Arrival: 2025-11-25 19:49:49
description
The disposal price has been reduced. Member discounts are not applicable. 2025/11/25 sales price 150,000 yen 2025/2 maintenance completed! WEST RIVER power amplifier. The input sensitivity is low, but it plays vocals and strings comfortably in a pretty nice mid-high range with a luster like a vacuum tube amplifier. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi) Maintenance information: 2025.2.19 maintenance completed (power switch replacement (S-6B → replacement S-6A) volume and knob reposition, missing screw addition bias and output sound check) Accessories: power cable Main specifications: 50W+50W high negative feedback amplifier W400×H215×D270 mm 12.8 kg

SE402U.S.A

This item has been sold.You can't purchase now. 25-48160-23791-00
SE402
Manufacture:JBL
Price: JPY 270,909 Sold Out
Power amplifiers (transister)
U.S.A
Shop: Osu shop
Arrival: 2025-11-30 19:42:27
description
Maintenance has been completed, including the replacement of 24 capacitors that were worn out in 2014! An early JBL transistor amplifier in the 1960s. Since it is assumed that it will be built into a speaker enclosure, this model originally has no exterior parts. A glossy sound close to that of a vacuum tube using a germanium transistor. The texture is also fine, silky, and doesn't make you feel rough. It works great with old JBL speakers such as Lancer and Harkness. Dullness and scarring (Sasaki Shota) Maintenance information: 2025.11.30 Maintained (check, Ach noise. Level fluctuation → first stage drive stage TR noise → replacement, input c, r board pattern dirt, contact instability → cleaning, other c, etc. replaced) 2015.6.25 maintained (heat dissipation silicon sheet replacement. Various inspections and adjustments. Check input/output waveforms. (Check the sound output) 2014.3.12 Maintained (VR contact cleaning, RCA terminal replacement, capacitor installation, baking creation, 24 electrolytic capacitors replaced, offset/idle current inspection, sound output test OK) Main specifications: 40W+40W with attenuator approx. W385 x H115 x D192 mm approx. 7.0 kg 

MC602U.S.A

This item has been sold.You can't purchase now. 25-48177-23955-00
MC602
Manufacture:McIntosh
Original price: JPY 1,200,000
Price: JPY 725,455 Sold Out
Power amplifiers (transister)
U.S.A 1999 made
Shop: Osu shop
Arrival: 2025-11-29 20:05:04
description
Comes with original box Mackin's super-dreadnought stereo power amplifier. The strong power of 600W+600W, the sound emitted from its imposing appearance is such that you can feel the pressure. It is a power amplifier compatible with everything from JBL of yesteryear to modern high-end speakers. The exterior is generally good (Oikawa Tetsuji) Maintenance information: 2025.11.29 Operation confirmed Accessories: instruction manual, power cable, original box Main specifications: rated output 600W+600W (2Ω, 4Ω, 8Ω) W445 × H310 × D537 mm 69.8 kg

SM6100SA Ver.2Japan

This item has been sold.You can't purchase now. 25-48234-24443-00
SM6100SA Ver.2
Manufacture:marantz
Original price: JPY 38,000
Price: JPY 20,000 Sold Out
Power amplifiers (transister)
Japan 2004 made
Arrival: 2025-11-29 19:49:42
description
Currently sold. It is a model based on the SM6100SA that enhances the degree of perfection of parts and technology. It features smooth and delicate sound quality with excellent medium to high frequency SNR. The speaker terminals are full-scale specifications using those manufactured by WBT. It can also be used as a surround power amplifier by connecting multiple units. There is a scuff on the front panel (Murakoshi Yoichi) Maintenance information: 2025.11.28 sound output confirmed Accessories: copy of instruction manual, power cord, original box Main specifications: 50W+50W (8Ω) WBT SP terminal W440 × H124 × D320 mm 7.5 kg

TA-N86Japan

This item has been sold.You can't purchase now. 23-38763-06456-00
TA-N86
Manufacture:SONY
Original price: JPY 90,000
Price: JPY 116,364 Sold Out
Power amplifiers (transister)
Japan 1978 made
Arrival: 2025-11-28 19:56:45
description
Maintenance has been completed, including the replacement of 12 deteriorated capacitors! This amplifier has a reputation for use in multiple systems. The original powerful sound, which has a wide range and is clear, has been revived. It is thin and can be used for a wide range of purposes, from sub to multi-use. There is a feeling of use such as small scratches and dullness on the front and top plate. Serial 202600 (Takasaki Atsushi) Maintenance Information: 2025.11.27 Maintained (Electrolytic Capacitors, Tantalum Capacitors, Semi-fixed Resistors replaced. Disassemble and clean the changeover switch. (Relay terminal, panel, rear terminal, housing cleaning, readjustment of various parts, aging test) Accessories: instruction manual (copy) Main specifications: 80W+80W (B grade) 18W+18W (A grade) DC amplifier configuration W480 x H80 x D380 mm 8.6 kg

99 Stereo Power Amplifier ClassiqueUK

This item has been sold.You can't purchase now. 25-47329-17188-00
99 Stereo Power Amplifier Classique
Manufacture:QUAD
Original price: JPY 210,000
Price: JPY 63,455 Sold Out
Power amplifiers (transister)
UK 2008 made
Arrival: 2025-08-29 19:57:08
description
The disposal price has been reduced! (Member discounts are not applicable) 2025/8/29 sales price 118,000 yen QUAD is a power amplifier that combines a wide range and high SNR feel with traditional, high-texture sound. Equipped with QUAD LINK, system control is also possible. Extremely practical quality can be obtained from its compact size. There are dirt scratches and threads on the exterior. Serial 99SG0109 (Fujisawa Yukishi) Maintenance information: 2025.8.29 operation confirmed Accessories: power cord Main specifications: input RCA/QUAD-LINK: 1 system each input impedance 33k ohm input sensitivity 775mV (RCA input) output 1 system (banana plug can be used) maximum output: 90W/8ohm, 120W/4Ω S/N ratio 110dB frequency characteristics 3Hz to 50kHz W321 × H70 × D310 mm mass 6.25 kg

POA-3000Japan

This item has been sold.You can't purchase now. 25-45632-04044-00
POA-3000
Manufacture:DENON
Original price: JPY 350,000
Price: JPY 161,818 Sold Out
Power amplifiers (transister)
Japan 1979 made
Shop: Osu shop
Arrival: 2025-11-22 20:18:45
description
Maintenance has been completed, including 32 capacitors and 20 resistors replaced! An attractive A-class power amplifier with a powerful, thick sound. The sense of energy that makes even large speakers sound is a product close to the mid to low range, which is in contrast to modern models. It's unique to the heyday of audio with thickness, scale, and room. The exterior has scratches, dullness, scuffs, etc. appropriate for the model year (Mizusaki Ryo) Maintenance information: 2025.11.22 Maintained (resistor, electrolysis, film capacitor (fluctuation of ± 20% or more), semi-fixed resistor replacement. Disassemble and clean the switch and volume. (The panel and housing were cleaned, each part was readjusted, and aging tested) Accessories: instruction manual Main Specifications: Real Bias Circuit Class A Operation 250W+250W (8Ω) 300W+300W (6Ω) Dimensions W488 x H199 x D480 mm Weight 30 kg

B-3Japan

This item has been sold.You can't purchase now. 18-18393-42603-00
B-3
Manufacture:YAMAHA
Original price: JPY 200,000
Price: JPY 81,636 Sold Out
Power amplifiers (transister)
Japan 1977 made
Arrival: 2025-11-22 20:05:10
description
Maintenance has been completed, such as replacing 5 deteriorated transistors, capacitors, and varistor diodes. An attractive power amplifier with natural sound quality with few Yamaha habits. It also has driving power, and is recommended as a separate introductory aircraft. It also works great with Yamaha speakers. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.20 Maintained (replacement of 5 deteriorated transistors, capacitors, and varistor diodes in the power supply circuit and in the protection circuit. Corrected soldering in the left and right main amplifier circuits. Switch type disassembly contact polishing) Accessories: none Main specifications: 70W+70W, 140W at BTL, DC amplifier configuration W200 × H193 × D407 mm 16.2 kg

SM-17SA ver.2Japan

This item has been sold.You can't purchase now. 25-48000-22260-00
SM-17SA ver.2
Manufacture:marantz
Original price: JPY 100,000
Price: JPY 31,636 Sold Out
Power amplifiers (transister)
Japan 2002 made
Arrival: 2025-11-14 19:52:17
description
The price has been reduced. 2025/11/14 sales price 39,800 yen It's cheap because there are a lot of scratches. A stereo power amplifier with improved sound quality by incorporating Marantz's unique circuit Absolute SA Technology, which reviews power supply, parts, and wiring based on the SM-17SA. The smooth and thick sound is characteristic. Although it has a slim housing, it is also attractive for its outstanding driving power. There are insulator marks on the top plate, such as dullness and small scratches on the exterior. Serial A1010529000 (Eternity Mirai) Maintenance information: 2025.11.14 Operation confirmed Accessories: power cable Main specifications: rated output 100W+100W (4Ω) 80W+80W (6Ω) 60W+60W (8Ω) when connected to BTL 8Ω 200W W458 × H110 × D407 mm 15.5 kg

model 201U.S.A

This item has been sold.You can't purchase now. 25-48092-23184-00
model 201
Manufacture:Jeff Rowland
Original price: JPY 890,000
Price: JPY 284,545(pair)Sold Out
Power amplifiers (transister)
U.S.A 2003 made
Arrival: 2025-11-16 20:14:16
description
The disposal price has been reduced! (Member price not applicable) 2025/11/16 sales price 348,000 yen Jeff Roland's small monaural amplifier. A high performance mono power amplifier requiring a strong power supply from ICE POWER. The high degree of perfection that achieves both thickness and texture even though it is small, and the glossy tone unique to JEFF is still attractive enough. The exterior is dull and has small scratches. Serial MB0266/MB0267 (Yonejima Satoshi) Maintenance information: 2025.11.16 Operation confirmed Accessories: instruction manual, power cord, original box Main specifications: 250W+250W (8Ω) W216×H65×D290 mm 6.2 kg

RA150U.S.A

This item has been sold.You can't purchase now. 25-48077-23073-00
RA150
Manufacture:ALESIS
Original price: JPY 29,800
Price: JPY 9,091 Sold Out
Power amplifiers (transister)
U.S.A
Shop: Osu shop
Arrival: 2025-11-20 20:13:20
description
*Currently sold. It's an inexpensive yet powerful amplifier. The model, which combines stable operation and abundant power, has a good sense of dynamism in the sound, and it feels like it comes to the fore. The input is equipped with an unbalanced RCA pin and a balanced TRS phone. There are multiple abrasions on the top plate (Sasaki Shota) Maintenance information: 2025.11.20 Operation confirmed Accessories: power cable Main specifications: 45W+45W (8Ω) bridge output 150W (8Ω) W480 × H99 × D260 mm 6.8 kg

TA-3120FJapan

This item has been sold.You can't purchase now. 25-47438-17986-00
TA-3120F
Manufacture:SONY
Original price: JPY 75,000
Price: JPY 81,636 Sold Out
Power amplifiers (transister)
Japan 1969 made
Arrival: 2025-11-20 20:06:22
description
It has been maintained by replacing deteriorated parts such as capacitors and volume! SONY's early solid state power amplifier is rare now. A sharp, refreshing sound. The sound image is also clear, and I feel the atmosphere of this era in the sound of attacks playing the piano (Murakoshi Yoichi) Maintenance information: 2025.11.19 maintained (VR left and right replacement, input RCA jack, power supply electrolytic capacitor 47u/100v x 8, 470/25v x 1 replacement, speaker SW power limiter switch, FUNCTION switch, power supply mute SW disassembly contact polishing cleaning grease application, DC idling DC balance adjustment) Accessories: none Main specifications: Rated output: 100W+100W 100W can be switched between 100W, 50W, and 25W with an output limiter switch W400 x H149 x D323 mm 12.2 kg

MODEL 112U.S.A

This item has been sold.You can't purchase now. 25-48148-23629-00
MODEL 112
Manufacture:Jeff Rowland
Original price: JPY 880,000
Price: JPY 270,909 Sold Out
Power amplifiers (transister)
U.S.A 1999 made
Arrival: 2025-11-19 19:55:09
description
A Jeff Roland stereo power amplifier where you can enjoy the hot sound of the night before Ice Power. Genuine Oba Shoji product. It is a gem that comes out of a large toroidal transformer+power capacitor, and boasts hidden abilities due to its strength when sitting on the back while being small, and has a sense of silence and good sound. As for the exterior, there is a scratch on the top plate. Serial L0309 (Yonejima Satoshi) Maintenance information: 2025.11.19 Operation confirmed Accessories: instruction manual, power cord Main specifications: 150W+150W (8Ω) 275W x 275W (4Ω) with RCA and XLR input switching W444 x H143 x D337 mm weight 24.5 kg

5M21Japan

This item has been sold.You can't purchase now. 25-47130-15561-00
5M21
Manufacture:LUXMAN
Original price: JPY 230,000
Price: JPY 63,455 Sold Out
Power amplifiers (transister)
Japan 1977 made
Arrival: 2025-08-25 19:25:13
description
The disposal price has been reduced. Member discounts are not applicable. 2025/8/24 sales price 89,800 yen. Maintained! A power amplifier at the core of LUXMAN's ambitious laboratory reference series in the 70s. It is a model that made clear and powerful sound possible with a DC amplifier configuration that was advanced at the time. The exterior and one screw cap on the top plate are missing, and there is a slight feeling of use (Kobayashi Hitoshi) Maintenance information: 2025.8.24 Maintained (replacement of 6 capacitors in the power supply circuit, power fuse, meter lamp, and power lamp. (Long time sound check) Accessories: copy of the manual Main specifications: continuous effective output 100W+100W (8Ω) damping factor 80 or more (8Ω) W442 × H146 × D400 mm 19.0 kg
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