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1
- description
- The price has been reduced. 2024/8/29 sales price 59,800 yen Maintained! Rare items have arrived. SPARK tubular premain amplifier. It is for line use only. Please enjoy the powerful EL34 push-pull sound (Daiki Goto) Maintenance information: 2024.8.29 Maintained (terminal contact repair due to poor contact with the drive stage socket. Input volume contact cleaning. Replaced for first-stage vacuum tube replacement (noise sometimes occurs at the residual noise level). Output tube (EL34/6CA7) operation bias check and adjustment (plate voltage 440V30mA setting). Undistorted maximum output and residual noise check. Maximum output 28W/8Ω (1kHz) (15Vrms/8Ω) D.F. Lch: 1.33 Rch: 1.38 Residual noise check 0.8 mV to 1.2 mV. Overall gain 37 dB (approx. 70 times) (28 W output is output at maximum volume when minimum input voltage is 211 mV) frequency bandwidth 5 Hz to 85 kHz (1 W/8 Ω) input impedance Lch: 60 kΩ to 110 kΩ Rch: 60 kΩ to 110 kΩ (Other sound output tests are good) Accessories: manual, power cable Main specifications: 6CA7/EL34 push-pull input 2 systems W330 x H185 x D250 mm weight 14.2 kg (actual measurement)
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- 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
- description
- The disposal price has been reduced. Member prices are not applicable. 2024/9/12 sales price 298,000 yen Maintained! This model was the predecessor of the Redeemer WX-1P tubular power amplifier. The 6550 push-pull 5-pole connection makes a lot of noise and plays music vividly. The heater and B power supply are designed to be switched with a standby/operation switch. Bias adjustment with a meter is also easy to use, and you can adjust it yourself even when the vacuum tube is replaced (Yasuhito Koshihama) Maintenance information: 2024.9.12 Maintained (6 block capacitors replaced due to electrolyte condenser liquid leakage, mute switch replacement, bias switch cleaning, vacuum tube pin cleaning, bias and output sound checked. Output approx. 65W in AC 100V environment (5 connections) Accessories: power cable, circuit diagram, English manual, catalog Main specifications: output 75W+75W measured 65W+65W (5 connections) fixed bias method vacuum tube 6550 x 4 12AX7 x 2 6FQ7 x 2 OA2 x 2 W394 x H210 x D304 mm 29 kg
Manufacture:自作
Price: JPY 225,455 Sold Out
- description
- A self-made EL34PP amplifier using a Tamura transformer is now in stock. I tried playing it together with the TANNOY speaker, and the sound is very powerful, and the sound of the stringed instrument is smooth and comfortable to listen to. Detailed specs are unknown. (SASAKI Shota) Maintenance information: 2024.9.15 Operation confirmed Accessories: power cable Main specifications: EL34PP power amplifier transformer F-2021 x 2, TN-351 x 2, PC-3007 x 1, T-225-5HC x 1 size measurement W485 x H224 x D245 mm (terminals not included)
- description
- Maintenance was carried out with attention to detail, such as replacing capacitors and replacing SP terminals! A kit model of a power amplifier using a 50CA10 3-pole output tube and an OY15 type output transformer, composed of circuits and parts conforming to the MQ60 type, which has been evaluated by LUXMAN. The sound of a vacuum tube has a sense of volume that seems to meet expectations, and it gently envelops you. The sound, which doesn't require scale, is particularly unique, and the slight thickness that spreads from below the mid-range makes you feel comfortable. The exterior has rust, oxidation, and scratches. Serial 574788 (Tamura Eiji) Maintenance information: 2024.7.11 Maintained (vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminals, semi-fixed VR, fuse holder replacement. Check input/output waveforms and perform sound output checks. Impedance switching SW, gain VOL complete disassembly, contact refinement, and application of grease to prevent oxidation and sulfidation. Input/output waveform confirmation, load test (1 kHz sine wave, at 8 ohm load: 27W+27W, actual measurement), sound output test) Accessories: No accessories Main specifications: 30W+30W 50CA10 push pull W410 x H160 x D205 mm 13.8 kg
- description
- Fully restored! A kit model of a power amplifier using a 50CA10 3-pole output tube and an OY15 type output transformer, composed of circuits and parts conforming to the MQ60 type, which has been evaluated by LUXMAN. The sound of a vacuum tube has a sense of volume that seems to meet expectations, and it gently envelops you. The sound, which doesn't require scale, is particularly unique, and the slight thickness that spreads from below the mid-range makes you feel comfortable. The exterior is dull, rust, abrasions, etc., and there is a feeling of use (Ryo Mizusaki) Maintenance information: 2024.6.21 Maintained (vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminals, semi-fixed VR, fuse holder replacement. Load test (8Ω load 1kHz 24.5W+24.5W), input/output waveform confirmation, impedance switching SW/gain VOL disassembly contact refinement, oxidation and vulcanization prevention grease coating. Input/output waveform confirmation, load test (1 kHz sine wave, 8 ohm load: 28 W+28 W, actual measurement), sound output test) Accessories: copy of instruction manual Main specifications: 30W+30W 50CA10 push pull W410 x H160 x D205 mm 13.8 kg
Manufacture:McIntosh
Price: JPY 452,727 Sold Out
- description
- A refreshing maintenance item that has almost been replaced by Sprug Black Beauty! It is a famous machine with a velvet transformer, and you can enjoy rich sound with stable operation. The fresh, glossy tone in the mid-high range has a different appeal from the MC275. The erased characters are being lettered. The exterior has rust and a feeling of use appropriate for the model year. Serial 173D5 (Murakoshi Yoichi) Maintenance information: 2024.9.13 maintenance (INPUT switch and volume disassembly, cleaning repair, 12AX7 x 1 vacuum tube replacement, replacement of 2 missing SP terminals, replacement of 2W and 1W 5 resistors, lettering treatment, vacuum tube socket and RCA jack re-caulking repair, operation check (measured at 43 to 55 W SP: 8 Ω with rated output AC100 to 117 V) 2019.1.15 maintained (AC code) exchange. 4 vacuum tube 6L6 replacements Block capacitors x 2 x 40 μF and 4 other replacements. Replace 2 oil capacitors with 0.01 μF VitaminQ → BlackBeauty. 2W resistor replacement. Vacuum tube socket and RCA jack caulking repair*Other operation checked) Accessories: instruction manual (copy) Main specifications: 40W+40W 6L6GCPP vacuum tube 6L6GC × 4 12AX7 × 3 12AU7x2 12BH7 × 2 frequency characteristics 16 to 40,000 Hz dimensions W400 × D265 × H195 mm weight 25 kg
- description
- The disposal price has been reduced (member prices are not applicable). 2024/9/7 sales price 448,000 yen ※The hood is out of stock. 2019 restored model! The original model 8 is now in stock! 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. There are stains and scuffs on the exterior (Sasaki Shota) Maintenance information: 2019.9.21 Maintained (replaced due to defective block capacitors. Electrolytic capacitors were replaced with SPRAGUE ones. SP terminal deterioration replacement. Foot leg damage and deterioration replacement. BIAS readjustment*When measuring BIAS with AC100V, use the white point as a guide. Vacuum tube socket and RCA jack caulk repair. Other operations have been checked) Accessories: none Main specifications: 117V specification vacuum tube EL34 (TELEFUNKEN x 4), 6CG7 x 2, 6BH6 x 2 output 35W+35W W346 x H192 x D250 mm
- description
- The disposal price has been reduced. Member discounts are not applicable. 2024/9/13 Sales price 198,000 yen Maintained including output tube replacement! Class A vacuum tube power amplifier using 6550A. Among lax, which has a reputation for its smoothness, the rich flavor is particularly attractive. It is a model where you can enjoy delicate tones and well-balanced mid and low frequencies. The board has cracks repaired, the exterior is dull, there are small scratches, and a feeling of use. Serial 51210003 (Murakoshi Yoichi) Maintenance information: 2024.9.11 maintenance (internal printed circuit board crack bonding and re-soldering repair, vacuum tube 6550 whitening replacement, vacuum tube 6CG7 replacement, operation check) 2024.7.24 maintenance (replacement of 4 vacuum tubes 6550A x 4, BIAS adjustment, operation checked with AC100V) 2015.1.29 maintenance (output tube, 12AU7 replacement, BIAS adjustment, semi-VR replacement, adjustment, characteristic check) Accessories: none Main specifications: effective output 40W+40W (8Ω) 6550A push-pull self-biased vacuum tube 6550A x 4/6CG7 x 2/12 AU7A x 2 W434 x H176 x D252 mm 19 kg
Manufacture:三栄無線
Price: JPY 81,636
- description
- The disposal price has been reduced! (Member prices are not applicable) 2024/8/27 sales price 118,000 yen Maintained in 2023/9! This is Sanei Radio's 2A3 single amplifier. The afterglow and subtlety of the sound unique to 2A3 is attractive. Please enjoy the sound of the strings and the charming vocals. There is some hum left due to AC ignition, but this is a specification. There are dullness and small scratches on the exterior. (FUJISAWA KOSHI) Maintenance information: 2023.9.30 Maintained (replacement and wiring since the left and right sides of the volume are different, replace and wire, replace the power cord, remove foreign matter, fix with condenser silicon, vacuum tube pin cleaning, socket electrode correction, and since the first stage and second stage vacuum tubes are reversed, tape is attached to the box and written so as not to make a mistake. Bias check. Hum balance adjustment (some hum remains due to AC ignition, but this is a specification) output approx. 3.5W (8Ω) interior and exterior cleaning) Accessories: power cord Main specifications: output approx. 3.5W+3.5W vacuum tube 2A3, 5U4G, 6SL7, 6SN7 W425 x H190 x D290 mm 13.5 kg (actual measurement)
- description
- A tubular power amplifier kit sold to commemorate the launch of Stereo Sound's “Tubular Kingdom.” It has been developed and designed based on the concept of “letting as many people as possible enjoy the advantages of vacuum tube amplifiers,” and it achieves both high performance, high stability, and high reliability. The input is provided with independent left and right volumes so that it can be used even when directly connected to a CD player. Serial 257 (Yamato Yuki) Maintenance information: 2024.9.20 Operation confirmed Accessories: none Main specifications: 5881WXT/6L6WGC push pull/ultra linear connection vacuum tube 6L6WGC x 4, 12AU7 x 3 rated output 25W+25W (6Ω) output impedance 6Ω (suitable for 4Ω to 8Ω) W388 x H187 x D330 mm 19 kg
- description
- The price has been drastically reduced. 2024/9/15 sales price 138,000 yen This tubular power amplifier kit was sold to commemorate the first publication of Stereo Sound's “Tubular Kingdom.” It has been developed and designed based on the concept of “letting as many people as possible enjoy the advantages of vacuum tube amplifiers,” and it achieves both high performance, high stability, and high reliability. The input is provided with independent left and right volumes so that it can be used even when directly connected to a CD player. There is dullness and small scratches (Daiki Goto) Maintenance information: 2024.9.13 operation confirmed Accessories: none Main specifications: 5881WXT/6L6WGC push pull/ultra linear connection vacuum tube 6L6WGC x 4, 12AU7 x 3 rated output 25W+25W (6Ω) output impedance 6Ω (suitable for 4Ω to 8Ω) W388 x H187 x D330 mm 19 kg
- description
- The disposal price has been reduced. Member prices are not applicable. 2024/9/12 sales price 298,000 yen Maintenance completed! Redeemer tube power amplifier with MFA D75B power amplifier changed to triode tube connection specifications. It is designed to pursue pure tone with Class A operation. Bias adjustment with a meter is also easy to use, and you can adjust it yourself even when the vacuum tube is replaced (Yasuhito Koshihama) Maintenance information: 2024.9.12 maintenance completed (6 block capacitors replaced due to electrolyte condenser fluid leak, mute switch, RCA jack replacement bias switch cleaning, vacuum tube pin cleaning*Bias and output sound checked. Output approx. 25 W in AC 100V environment (3 connections) Accessories: power cable, circuit diagram, catalog Main specifications: output 20W+20W actual measurement 25W+25W (3 connections) fixed bias method vacuum tube 6550 x 4 12AX7 x 2 6FQ7 x 2 OA2 x 2 W394 x H210 x D304 mm 29 kg
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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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