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Manufacture:ELEKIT
Original price: JPY 39,800
Price: JPY 22,727 Sold Out
- description
- *Currently sold. ELEKIT tube power amplifier. The compact yet elastic, straight sound quality is so attractive that you wouldn't think it's small, and you can fully enjoy the feel of a vacuum tube. Dullness over time and slight abrasions over time can be seen (Yamato Yuki) Maintenance information: 2025.11.30 Operation confirmed Accessories: none Main specifications: Vacuum tubes used, SOVTEK 12AX7WXT x 1, SOVTEK 5881/6L6WGC x 2 W150×H141×D410mm 5.5 kg
Manufacture:ZAIKA
Price: JPY 300,000(pair)Sold Out
- description
- The price has been reduced. 2025/11/26 sales price 348,000 yen ZAIKA's 300B single mono power amplifier. While increasing bandwidth, it has musical distortion characteristics centered around 300B's unique secondary distortion, and can be enjoyed regardless of genre with tuning that maximizes 300B likeness. The vocals are particularly good. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.25 Operation confirmed Accessories: none Main specifications: 300B x 2 5U3C x 2 310A x 2 W230 x H210 x D400 mm 13.5 kg (actual measurement)
Manufacture:三栄無線
Price: JPY 54,364 Sold Out
- description
- Self-biased KT88 single tube power amplifier The beautiful mid-high range sound unique to single amplifiers is attractive. It's a relatively efficient speaker and it seems to work well together. There are threads and small scratches on the exterior (Yonejima Satoshi) Maintenance information: 2025.11.26 Maintained (The output vacuum tube KT88 replaced the LRCH minute, and the plate current was set to 60 mA. Output stage cathode resistor and cathode bypass electrolytic capacitor replacement. Output stage grid leak resistor replacement and coupling capacitor replacement. Power supply ripple filter addition procedure. Operation voltage check and output terminal load test performed, overall frequency characteristic check, good sound output test, undistorted output) Accessories: No accessories Main specifications: gain 18dB input 350mV/2.8V 1W output (8Ω) W185 × D400 × H185 mm 7 kg
Manufacture:conrad-johnson
Original price: JPY 1,900,000
Price: JPY 430,000 Sold Out
- description
- The disposal price has been reduced. Member discounts are not applicable. 2025/11/11 sales price 598,000 yen Maintained! Conrad Johnson's dreadnought power amplifier. Anyway, it has tremendous driving power, and it drives even large speakers well. The braking power is also excellent, and I am overwhelmed by the tight bass and firm mids. There is a feeling of use such as dullness, small scratches, dirt, etc. Serial 5101041 (Takasaki Atsushi) Maintenance information: 2025.11.11 Maintained (power switch replaced due to burn-in (capacity increased from 10A to 30A in consideration of durability), addition of missing screws, vacuum tube pin cleaning, output sound check, interior and exterior cleaning) 2011.3.5 maintained (bias adjustment, vacuum tube socket contact cleaning, power cord (plug included), input terminal replacement, internal and external cleaning) Accessories: none Main specifications: 200W+200W 6550 triple push-pull impedance 4/8/16Ω switching W484 × H273 × D600 mm 61.3 kg
Manufacture:Dynaco
Original price: JPY 174,000
Price: JPY 81,636(pair)Sold Out
- description
- The disposal price has been reduced. Member prices are not applicable. 2025/9/16 sales price 148,000 yen ※The power supply specifications are different between the 2 units, but maintenance is performed according to the 117V specifications. Sufficient output is produced even at 100V. Maintenance includes replacement of 6550A4, 42 5ARs, 2 capacitors, 9 resistors, etc. 117V specification DYNACO's tubular mono power amplifiers are highly popular. The sleek, straight, and energetic sound that comes out of the small body is attractive. Combinations with Altech and JBL are a staple, and they make jazz and rock sounds powerful and full of realism. The color of the transformer is different between the two cars, and there are rust, dullness, small scratches, etc. appropriate for the model year (Oikawa Tetsuji) Maintenance information: 2025.9.15 Maintained (all soldering around the vacuum tube socket and block capacitor terminals corrected, wiring to the preamp power socket was implemented, selenium in the bias power supply was changed to silicon diodes for preventive maintenance, electrolytic capacitor replacement on the bias power supply unit (2 pcs/Ch), lead wire soldering correction to the board, bias volume cleaning, soldering correction around the speaker terminal, mica Confirmation of capacitor insulation and capacity (Ch.A specific repair) US socket cleaning, cleaning, exchange resistors with different values from the circuit diagram due to resistors on the board (3 positive: 47k, mounting: 51k), replacing those synthesized with resistors on the board and matching the resistance values with 1 resistor (2 locations 1.5m and 270k), board pattern peeling correction (Ch.B specific repair) power supply and output transformer cover changed to 4 points, operation test) Accessories: none Main specifications: tubular mono power amplifier vacuum tube 6550/5AR4/6AN8A output 60 W (measured output: 55.1/55.1 W at 117 V, 40.5/40.1 W at 100 V*1 kHz, 8 ohm) W229 × H190 × D229mm 11.5 kg
Manufacture:McIntosh
Price: JPY 816,364 Sold Out
- description
- Maintenance has been completed, such as replacing 7 capacitors and 2 resistors. The original MC275 is the pinnacle of Macintosh tube amplifiers. A powerful sound with a velvety luster and full of vitality. Please enjoy the rich Macintosh sound. There is a chip on the back socket (Daiki Goto) Maintenance information: 2025.11.21 maintained (· input ground reinforcement treatment · main volume contact failure repair · block capacitor 100/30 μF deterioration replacement 4 pieces · 20 μF other deterioration replacement · bridge diodes → 4 replacement with normal diodes · resistor 2W, 1W 1/2W domestic → 10 replacement with USA-made ones · vacuum tube socket and RCA jack caulking repair. *Other operation checks have been performed (measured at 72 to 91 W SP: 8 Ω with rated output AC 100 to 117 V) Accessories: manual Main specifications: 75W+75W (in stereo) 150W (in mono) vacuum tube/12AX7 x 2, 12AX7 x 1, KT88 x 4, 12AU7 x 2, 12AT7 x 2 frequency band 16 Hz to 60 kHz input sensitivity 0.5 V input impedance 250 kΩ dimensions W311 x H203 x D438 mm weight 30.4 kg
Manufacture:オーディオ専科
Price: JPY 316,364 Sold Out
- description
- Maintained! 300B single amplifier using all Tamura transformers. It is a configuration that firmly holds the basics of a single amplifier using a rectifier tube. Furthermore, you can use it safely with 300B DC ignition with a regulator. The exterior is dull and has small scratches. Serial PRO-120720 (Yonejima Satoshi) Maintenance information: 2025.11.19 Maintained (volume and RCA jack replacement, ground wiring, solder defect correction, SP terminal misdirection correction, nameplate deviation correction, bias check output, voice check output, approx. 8W confirmation) Accessories: No accessories Main specifications: used vacuum tube 300B x 2 6188 x 2 unknown tube x 1 output 7W x 2 W430 x D215 x H210 mm 19 kg
Manufacture:DYNACO
Original price: JPY 174,000
Price: JPY 107,273(pair)Sold Out
- description
- The disposal price has been reduced. Member discounts are not applicable. 2025/11/13 Sales price 148,000 yen Maintenance completed, including replacement of deteriorated vacuum tubes and capacitors. DYNACO's tube type mono power amplifier is highly popular. The sleek, straight, and energetic sound that comes out of the small body is attractive. Combinations with Altech and JBL are a staple, and they make jazz and rock sounds powerful and full of realism. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.12 maintenance completed (vacuum tube 6550 replacement x 2, block capacitor 30/20/20 μF replacement x 2, Mylar capacitor 820pF replacement x 2, resistor 1W deterioration replacement x 2, BiAS readjustment · vacuum tube socket and RCA jack caulking repair No. 14050400 resistor 1W replacement ※ other operation checks completed) Accessories: none Main specifications: tubular mono power amplifier vacuum tube 6550/5AR4/6AN8A output 60 W (measured output: 55.1/55.1 W at 117 V, 40.5/40.1 W at 100 V*1 kHz, 8 ohm) W229 × H190 × D229mm 11.5 kg
Manufacture:McIntosh
Price: JPY 816,364 Sold Out
- description
- Maintained including 8 capacitors, 2 thermistors, 2 resistors, 1 12BH7 vacuum tube, and fuse replacement. The original MC275 is the pinnacle of Macintosh tube amplifiers. A famous historical machine that intensely entertains music with its velvety luster and strong tone. Instead of resolution or wide range, the rich sound that makes you feel a sense of life is truly the Macintosh sound itself. There are dullness over time, small scars, etc. (Oikawa Tetsuji) Maintenance Information: 2025.11.15 Maintained (Block Capacitor 100/30 μF Defective and Deterioration Replaced 2, Fuse 5A Slow Blow Defective Replacement, 2 Thermistor Missing Replacement · Vacuum Tube 12BH7 Deterioration Replacement (2025.10.30 Supplied Item Arrived) · Oil Capacitor 0.15 μF Other TRW, Good All Made → 6 Replaced by BlackCat · 1 W Resistance Degradation Replacement · 2 Vacuum Tube Sockets Also, RCA jack caulking repairs* Other operation checks have been performed (measured at 55 to 91 W SP: 8 Ω with rated output AC 100 to 117 V) Main specifications: 75W+75W (in stereo) 150W (in mono) vacuum tube/12AX7 x 2, 12AX7 x 1, KT88 x 4, 12AU7 x 2, 12AT7 x 2 frequency band 16 Hz to 60 kHz input sensitivity 0.5 V input impedance 250 kΩ dimensions W311 x H203 x D438 mm weight 30.4 kg
Manufacture:marantz
Original price: JPY 165,000
Price: JPY 300,000 Sold Out
- description
- Maintained! Kit model of Old Marantz's greatest masterpiece power amplifier 8B. The exquisite bandwidth balance and good output set it apart from common old amplifiers. The information necessary for music is perfectly incorporated into the narrow range, and the high level of freshness is also exceptional. The exterior has a feeling of use such as dullness and small scratches. Serial T030064 (Takahashi Nobuyuki) Maintenance information: 2025.11.9 maintained (vacuum tube 6BH6 replacement, block capacitor 60 μF replacement, 22 μF x 2 others replacement, SP terminal replacement, BIAS re-adjustment, vacuum tube socket and RCA jack caulking repair, operation check with AC 100V (measured with rated output 36W SP: 8Ω)) Accessories: none Main specifications: 35W+35W 20Hz-40kHz W348 × H191 × D273 mm 22.5 kg
Manufacture:ZAIKA
Price: JPY 58,909 Sold Out
- description
- The price has been reduced. 2025/11/10 sales price 69,800 yen A rare ZAIKA stereo power amplifier. Simple, handmade wiring. The output is unknown, and the impression is that a small, high-efficiency speaker sounds simply and straight. Rust, dirt, small scratches, etc. are scattered on the interior and exterior (Murakoshi Yoichi) Maintenance information: 2025.11.6 sound output confirmed Accessories: none Main specifications: used vacuum tube 6BM8 x 4 W402 x H186 x D231 mm 7.8 kg
Manufacture:marantz
Original price: JPY 165,000
Price: JPY 407,273 Sold Out
- description
- Maintenance completed, including replacement of deteriorated capacitors! The initial lot of serial 1772, the original model 8, has arrived! This is a famous gem that has both thickness and sex appeal while making a quick sound. There is no boomy sound, which is a drawback of vacuum tube amplifiers, and it is a vintage sound that is still popular today due to its good tone and good balance. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.12 maintenance completed (AC cord exchange/vacuum tube EL34 noise exchange/2 vacuum tube 6BH6 deterioration replacements/2 electrolytic capacitors 25μF deterioration replacement/selenium deterioration countermeasures → diode addition/vacuum tube socket and RCA jack caulking repair*Other operation checks completed) Accessories: bonnet Main specifications: vacuum tube EL34, 6CG7 x 2, 6BH6 x 2 output 35W+35W W346 x H192 x D250 mm 21.9 kg
Manufacture:VTL
Original price: JPY 1,100,000
Price: JPY 294,545(pair)Sold Out
- description
- The price has been drastically reduced. 2025/10/30 sales price 398,000 yen Maintenance completed. A mono power amplifier with a switchable 5-pole connection (Tetrode) and a 3-pole connection (Triode). It also has power, and you can use a 5-pole connection that has a heavy core in the mid-range to enjoy wild American sounds, or you can enjoy an elegant 3-electrode connection that is inferior in power to a 5-electrode tube but has low distortion. It's a fun car to use depending on the sauce and mood. You can see a feeling of use, such as appearance, dullness, scratches, etc. *Never test sound output or output operation without load. Be sure to turn off the power before operating the SW (TRIODE and TETRODE) on the back (Kobayashi Hitoshi) Maintenance information: 2025.10.28 maintenance completed (5 output vacuum tubes replaced and all vacuum tube sockets replaced, screen resistors and plate resistors replaced, drive stage cathode resistance exchanged, drive waveform balance adjustment and terminal vacuum tube bias adjustment (due to fixed bias system) and output tube run-in operation, voltage check of each part, residual noise check and overall frequency characteristic check, good load test, gain check) Accessories: power cord Main specifications: Rated output: Tetrode Mode: 175W/Triode Mode: 75W, vacuum tube used: 807 x 6/12 AT7 x 1, 6350 x 1, input impedance: 137 kΩ, impedance: 3 to 8 ohms, W480 x H260 x D230 mm 25 kg
Manufacture:SUNVALLEY
Original price: JPY 383,800
Price: JPY 170,909 Sold Out
- description
- The price has been reduced. 2025/11/5 sales price 198,000 yen Maintained at Sun Valley. The flagship model of Sun Valley's multipole power amplifier. This model is KT88 specification. An output transformer with a bifiler-wound custom-made by Hashimoto Electric is used. It achieves both a wide range of sound that is pleasant to listen to. This is a powerful power amplifier that can make even vintage speakers sound with modern speakers. There are small scratches and dullness overall (Oikawa Tetsuji) Maintenance information: 2025.11.5 manufacturer maintained (bias adjusted to specified value with KT88, driver stage cathode resistor replacement, driver stage carbonized lead wire replacement. B2 coupling resistor replacement. (Confirm that each part is abnormal, such as soldering, etc., implement driver stage heating countermeasures, and measure output, gain, frequency characteristics, residual noise, and voltage of each part to confirm that it is abnormal) Accessories: hood, power cable, instruction manual Main specifications: used vacuum tube KT88 push pull 45W+45W KT88 x 4 (SVETLANA), 12BH7A x 4, CV4003 x 2 W400 x H380 x D220 mm 32 kg
Manufacture:P&C
Price: JPY 361,818 Sold Out
- description
- The disposal price has been reduced! (Member prices are not applicable) 2025/10/18 sales price 798,000 yen Maintenance completed product including capacitor replacement! A single amplifier equipped with a vacuum tube “211,” which features brightly shining filaments. It's easier to drive and easier to handle than the 845, which is often compared. It features a slightly round, energetic, and powerful sound. Excellent compatibility with large ALTEC speakers, etc. There are some dullness and scratches due to aging (Yamato Yuki) Maintenance Information: 2025.10.18 Maintained (22 μF Electrolytic Capacitors and 3 Additions; 3 Resistors; 1 W and 1/2 W Deterioration Replacement; 3 Resistors; 40 μF × 2 Deterioration Exchange; Vacuum Tube 211 Noise Exchange; HUM ADJ. Readjustment; Output Transformer Rewinding Repairs; Vacuum Tube Sockets and RCA Jack Caulking Repairs ※ Other operation checked with AC100V (rated output measured at 8W SP: 8Ω) *The grid cap of the vacuum tube 310A has been repaired by adhesive. (Please refrain from extracting and inserting as much as possible) Accessories: none Main specifications: used vacuum tube GE 211 x 1, GE VT-4C x 1, WE 310A x 2, RCA 7-29A x 2 Dimensions and weight W500 x H273 x D364 mm 38.1 kg (all measurements are actual measurements, dimensions include protrusions)
Manufacture:自作
Price: JPY 54,545 Sold Out
- description
- *This is a self-made amplifier and will be sold as is without warranty. This PP power amplifier uses Toshiba's 6GA4 as the output tube, and it lets you listen to any genre with strong low frequencies and transparent high frequencies. The exterior has a feeling of use over time, such as dullness and small scratches (Asaine Tomoho) Maintenance information: 2025.11.1 sound output confirmed Accessories: power cable Main specifications: Vacuum tubes used Toshiba, 6GA4 GE/4 unknown tubes, transformer using SANSUI/W-15-6 SANSUI/C-10-200 size weight
Manufacture:UNISON RESEARCH
Original price: JPY 600,000
Price: JPY 452,727(pair)Sold Out
- description
- Maintained including output tube replacement! Arrived for the first time in about 10 years! Genuine Electri Pure Class A single power amplifier with a mono configuration using an 845. The sound is visually overwhelming, but the extrusion isn't as strong as it looks; rather, it has a sense of realism and is suitable for listening in a relaxed manner. There are small wounds and dullness (Oikawa Tetsuji) Maintenance information: 2025.10.30 maintenance completed (output tube replacement, replacement rubber leg, missing installation due to wire corrosion, solder correction, vacuum tube pin cleaning, socket edge deformation correction, condenser fixed, foreign matter removal, rust removal, bias check, output voice check) Accessories: power cable Main specifications: 16W x 2 direct heat triode for audio, use size W310 x H240 x D610 mm, weight 21.5 kg
Manufacture:DYNACO
Price: JPY 90,727(pair)Sold Out
- description
- The disposal price has been reduced. Member prices are not applicable. 2025/10/22 sales price 148,000 yen Maintenance completed! DYNACO's tube type mono power amplifier is highly popular. The sleek, straight, and energetic sound that comes out of the small body is attractive. Combinations with Altech and JBL are a staple, and they make jazz and rock sounds powerful and full of realism. The exterior has noticeable paint peeling on one side and there is rust (Mizusaki Ryo) Maintenance information: 2025.10.22 maintained (AC cord replacement, power transformer replacement, block capacitor replacement, bias circuit electrolytic capacitor replacement, preamplifier power socket wiring, power switch disassembly and cleaning, deteriorated resistor replacement (11 pieces), 6550A replacement) Accessories: none Main specifications: tubular mono power amplifier using vacuum tube 6550/5AR4/6AN8A output 60W/140W W229 × H190 × D229 mm 11.5 kg
Manufacture:ALTEC
Price: JPY 490,000(pair)Sold Out
- description
- The price has been drastically reduced. 2025/10/18 sales price 598,000 yen Maintained including main volume replacement! ALTEC811A push-pull mono vacuum tube power amplifier. Equipped with a Peerless transformer, it was developed for professional use. It creates a stubborn core and makes a good, overhanging sound. The atmosphere and warmth of the low frequencies make you feel comfortable. It is a mono amplifier where you can feel luxurious. There are paint spots, rust, and line marks (Sasaki Shota) Maintenance information: 2025.10.18 Maintained (main volume deterioration replacement 1 x 2, AC cord 3P → 2P connector added, 1 x 2, vacuum tube socket and RCA jack re-caulking repair* Other operation checks completed. Rated output AC 100 to 117 V measured at 85 to 113 W SP: 8 ohms) 2015.2.16 maintained (common VT811A distortion large and deterioration exchange 2 x 2 block.c40 μf x 2 deterioration exchange 1 x 2 block.c120μf specification difference replacement 2 x 2 RCA jack defective replacement 1 x 2 R1/2W82K addition 1 x 2 bottom screw and back screw missing parts added 5 x 2 7305 side AC cord damage repair 4506 side AC socket 3P ⇒ 2P connector missing addition SP is set to 8 ohms. (There is a smooth noise when Volume is moved, but this is not a defect due to structural problems with this model) Accessories: none Main specifications: VT811A (Electoric Enterprises) x 4, 5R4GY x 8, 6W6GTB x 4, 6SN7GTB x 2, 12AX7 x 2 165W+165W W482 x H272 x D310 mm 40 kg
Manufacture:AIR TIGHT
Original price: JPY 360,000
Price: JPY 270,909 Sold Out
- description
- Maintained! First Airtight power amplifier. A versatile unit with hidden potential that sounds leisurely from floor type to bookshelf. The firm tone, which stands up well and is highly transparent, gives an exhilarating feeling in a good sense that makes you forget about tube amplifiers. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.10.19 Maintenance completed (input volume and smooth capacitor exchange, input switch disassembly, cleaning, vacuum tube pin cleaning, DC voltage and bias check output sound 8Ω 36W confirmation, interior and exterior cleaning) Accessories: none Main specifications: 36W+36W (8Ω) EL34/6ca7PP frequency characteristics 20Hz to 20kHz load impedance 4Ω/8Ω W368 x D231 x H293 mm 22 kg
Manufacture:LUXMAN
Original price: JPY 800,000
Price: JPY 361,818(pair)Sold Out
- description
- Maintained! Lux Monopower With a push-pull operation, you can enjoy a powerful sound with plenty of room. Furthermore, due to monaural driving, it is a pair with excellent localization that fits perfectly on the left and right. The well-built 1.6 mm chassis etc. are also attractive. There are small scratches and scratches on the exterior. Serial W313210397/W31210398 (Yonejima Satoshi) Maintenance information: 2025.9.20 Maintained (ATT decomposition polishing cleaning protective agent applied. Vacuum tube pin cleaning. Remove the resin cover and clean the steel chassis. Increase and tighten the screws. Bias adjustment. Output check. (Confirm 35W output at 8Ω load) Accessories: No accessories Main specifications: Vacuum tubes used (for 2 units) KT88 x 4 6CG7 x 2 12BH7A x 2 5U4GB x 2 6X4WA x 2 output 40 W x 2 power consumption 340 W frequency characteristics 5 Hz to 30 kHz SNR 90 dB or more dimensions W220 x H172 x D455 mm weight 17 kg/unit
Manufacture:不明
Price: JPY 257,273 Sold Out
- description
- The disposal price has been reduced (member prices are not applicable) 2025/10/2 sales price 598,000 yen Maintenance has been completed! Details are unknown, but this is a single amplifier equipped with Heinz & Kaufman's 300B. There was no overhanging feeling when it was dry in the mid to mid to high range, and I felt an elegant luster and richness in the mid to high range. If you combine it with Altech's coaxial 2-way system, you can enjoy extremely glossy vocals. As for the condition, there are many signs of use such as dullness over time and small scratches (Yamato Yuki) Maintenance information: 2025.10.2 maintained (4 missing screws for transformer covers, 4 electrolytic capacitors, 47 μF, etc.) deterioration replacements, 3 block capacitors with 100 μF and other deterioration replacements, BIAS readjusted (error approx. 10%), HUM ADJ. readjusted, vacuum tube socket and RCA jack caulk repair *Operation has also been checked with AC 100V (rated output measured at 8W SP: 8Ω) *Due to the circuit design of this model, the high frequency range is slightly suppressed. (Also, the hum when not entering is slightly loud) Accessories: none Main specifications: W435 x H259 x D335 21.5 kg (both measured) * used vacuum tubes (300B x 2, HEINTZ & KAUFMAN) (ECC33 x 2, MULLARD)
Manufacture:UESUGI
Original price: JPY 480,000
Price: JPY 180,000 Sold Out
- description
- The disposal price has been reduced. Member prices are not applicable. 2025/10/11 sales price 278,000 yen This is a tweeter system that includes a power amplifier and an electronic crossover network. You can hear sharp high frequencies with a 6L6 push-pull power amplifier equipped with a Tamura transformer and a Dynaudio tweeter. There are fine scratches on the exterior. ※The power cable is attached as an external product (Wang Zhan) Maintenance information: 2025.10.10 Operation confirmed Accessories: none Main specifications: tweeter part: 3 cm dome type (made by Dinaudio) frequency characteristics 2.5 kHz to 45 kHz 8 Ω output sound pressure level: 90 dB W305 x H196 x D175 mm approx. 4 kg amplifier part: 25 W+25 W (4 · 8 · 16 Ω) vacuum tube 6 L6GC x 4 ECC83 x 2 6189 W x 2 self-bias method ultra linear connection push pull method W320 x H195 x D340 mm 17.15 kg
Manufacture:不明
Price: JPY 465,455 Sold Out
- description
- The disposal price has been reduced! (Member prices are not applicable) 2025/10/4 sales price 798,000 yen Maintained! Details are unknown, but it is a single amplifier equipped with WE's 300B. There was no overhanging feeling when it was dry in the mid to mid to high range, and I felt an elegant luster and richness in the mid to high range. If you combine it with Altech's coaxial 2-way system, you can enjoy extremely glossy vocals. As for the condition, there are many signs of use such as dullness over time and small scratches (Takahashi Nobuyuki) Maintenance information: 2025.10.4 maintained (10W cement resistance added as BIAS improvement measures HUM ADJ. readjustment, RCA jack and vacuum tube socket caulking repair, etc. Operation checked with AC100V (rated output 8W SP: 8Ω measured) *Due to the circuit design of this model, the high range is slightly suppressed) Accessories: none Main specifications: W328 x H222 x D450 23.7 kg (both measured) * used vacuum tubes (300B x 2, WE) (6SN7WGT x 2, ILVIRVIA)
Manufacture:自作
Price: JPY 22,727 Sold Out
- description
- * There is no problem with operation, but since it is cheap, it is currently sold. It is a single amplifier using Sobtech's 6BM8 as the output tube. It has a clear sound with damping, and it sounds light and comfortable with efficacy rate speakers such as Altec. Specifications such as the transformer used are unknown (Kojima Yosuke) Accessories: none Main specifications: W220 x 115 x 165 mm 3.7 kg (actual measurement, not including protrusions)
Manufacture:UESUGI
Original price: JPY 275,000
Price: JPY 161,818 Sold Out
Manufacture:LUXMAN
Original price: JPY 390,000
Price: JPY 230,909 Sold Out
- description
- The price has been drastically reduced! 2025/10/10 sales price 298,000 yen Luxman vacuum tube power amplifier. Using KT88 as the output stage, it is a powerful yet highly transparent amplifier. It is a vacuum tube amplifier with excellent modern resolution and a sense of speed while being based on classical designs from the past. Serial M7110004 (Takahashi Nobuyuki) Maintenance information: 2025.10.10 operation confirmed Accessories: instruction manual power cable Main specifications: 25W+25W (4.8/16Ω) input direct 1 system variable 1 system output 1 system (4, 8, 16 ohm independent) power consumption 150 W 440 x 184 x D230 mm 16.1 kg
Manufacture:ELEKIT
Original price: JPY 26,800
Price: JPY 14,364 Sold Out
- description
- *Currently sold. Although it is in the low price range, it produces the unique warmth and soft sound that vacuum tubes have. The output is modest at 2W+2 W, but the audible sense of volume is sufficient. There is a dull feeling of use (Sasaki Shota) Maintenance information: 2025.10.11 operation confirmed Accessories: power cable Main specifications: rated output 2W+2 W (at 6Ω load) vacuum tube/PCL86 (14GW8) x 2 compatible speaker impedance 4 to 8 ohms W142 x H136 x D178 mm (including protrusions), body weight approx. 1.8 kg
Manufacture:Heathkit
Price: JPY 90,727(pair)Sold Out
- description
- The disposal price has been reduced. Committee member prices are not applicable. 2025/9/6 sales price 198,000 yen Maintained! Tubular mono power amplifier using EL34 as output tube. The first stage uses 1 6AN8. It is an extremely high power amplifier that produces 55W with a simple configuration. In addition to volume volume, the front is equipped with a damping factor switch. The output is compatible with 4/8/16 ohms (Sasaki Shota) Maintenance information: 2025.9.6 maintained (◎ common volume knob broken replacement 1 x 2 · main volume cracked replacement 1 piece x 2 · vacuum tube socket and RCA jack re-caulking repair ◎ One side volume knob deterioration replacement 1 piece ※ Other operation checked (measured at 28 to 41 W SP: 8 Ω with rated output AC 100 to 117 V) 2021.5.22 maintained (◎ common · 150 μF defective replacement x 2 · block capacitor 200 μF deterioration replacement 2 x 2 · oil capacitor 0.1 μF other deterioration replacement x 2 · vacuum tube socket and RCA jack caulking repair · BIAS re-adjustment ◎ 1 side · SP terminal defect replacement 2 pieces · Oil capacitor 0.1 μF deterioration replacement※ Other operation checked (measured at 41 to 55 W SP: 8 Ω at rated output AC 100 to 117 V) ※ Please connect the output to the top and bottom (8 ohms up and down if it is 8 ohms). The front DAMPING FACTOR will be effective by setting it to MAX. (*The back meter section of this model is not wired) Accessories: none Main specifications: 55W output using vacuum tube EL34 x 2 6AN8 x 1 W380 x H145 x D215 mm
Manufacture:McIntosh
Original price: JPY 1,800,000
Price: JPY 981,818 Sold Out
- description
- Maintained! 50th anniversary limited edition of 400 units. The sound quality is a powerful, wide-range vacuum tube sound compatible with a wider range of sources while inheriting the traditional McKinn sound. It is the company's first tubular model with a glass panel, and the stainless steel chassis and luxurious gold-plated specifications can stir up desire to own it. The exterior has paint peeling and dullness in the plating area. Serial JSAC 705 (Yonejima Satoshi) Maintenance information: 2025.10.9 Maintained (replaced due to failure of 4 output tubes and resistor exchange IC and switch. Lamp replacement meter foggy → acrylic removal cleaning vacuum tube pin cleaning. Bias adjustment output voice check interior and exterior cleaning) Accessories: power cord Main specifications: 130W+130W tube McIntosh KT88×8 12AT7×2 12AX7A×4 W448×H282×D508mm 60kg
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Hi-Fi Do Record Shops Softs, Audio parts and Tubes can ship overseas.Ordinary,we use EMS but for large order,we use SAL or Surface.For Asia,it cost 1,200JPY/1LP,900JPY/1CD.Please check at the shipping cost table for more detail.
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