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12 results
1
- description
- Maintained. 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. You can see a feeling of use on the exterior, dullness, rust, scratches, etc. (Murakoshi Yoichi) Maintenance information: 2024.5.29 maintenance (board peeling and re-soldering treatment, block capacitor 30/20/20 μF replacement, film capacitor 0.047 μF → 0.1 μF original, electrolytic capacitor 50 μF, resistance 1W → 1/2 W original replacement, BIAS readjustment/RCA jack and vacuum tube socket caulking repair. Operation check) 2016.2.27 Maintained (AC cord, cord stopper, input terminal, capacitor (47uF100V) resistor (47k, 270k, 470k, 1M) 1/2 w, replacement of 2 vacuum tubes (6550), bias adjustment) Accessories: copy of instruction manual Main specifications: tubular mono power amplifier using vacuum tube KT88/5AR4/6AN8A output 60W/140W W229 × H190 × D229 mm 11.5 kg
- description
- The disposal price has been reduced. Member prices are not applicable. 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
- description
- The A3500 vacuum tube power amplifier has been refreshed by thorough maintenance down to the smallest details, such as volume disassembly and polishing. The warm, fresh tone, filled with the appeal of a vacuum tube type, is still appealing enough today. You can enjoy music with a rich, thick tone that contrasts with the clicking tones of recent vacuum tube amplifiers. As for the exterior, paint deterioration and peeling can be seen on the transformer on one side, and there is a feeling of use such as dullness, small scratches, etc., and there is a dent in the hood. ※3-pole tube connection specification. 20W+20W (actual measurement) is output as specified by the manufacturer (Takasaki Atsushi) Maintenance information: 2023.2.3 maintained (main tube (6CA7) replacement vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, complete disassembly of semi-fixed VR replacement power input gain volume, contact polishing, anti-oxidation/sulfation grease coating load test (8Ω load 1kHz 20W+20W) input/output waveform confirmation sound output check performed) Accessories: copy of the manual Main specifications: 20W+20W (8Ω) vacuum tube 6CA7×4/6AQ8×3 W465×H168×D206mm 16kg
- description
- 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
- Maintained! A power amplifier with a separate name for the main part of the SQ38F series. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. There is a slight feeling of use (Murakoshi Yoichi) Maintenance information: 2024.5.29 maintenance (vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminals, semi-fixed VR, fuse holder replacement. SW/VOL disassembly contacts are re-polished, and grease is applied to prevent oxidation and sulfidation. Input/output waveform confirmation, load test (8Ω load 1kHz 30W/30W), input/output waveform confirmation, sound output check performed.) Accessories: instruction manual (copy) Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg
- description
- Fully maintained! The main part of the SQ38F is an independent power amplifier, the famous MQ60. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. The exterior has dullness, small scratches, and paint peeling. Serial 473753 (Hiroki Aso) Maintenance information: 2024.5.19 maintained (vacuum tube socket block capacitor electrolytic capacitor oil capacitor SP and RCA terminal semi-fixed VR fuse holder replacement load test (8Ω load 1kHz 30W/30W) input/output waveform confirmation sound output check performed impedance switching SW gain VOL disassembly contact refinement oxidation and sulfidation prevention grease coating input/output waveform confirmation load test (1 kHz) (Sine wave at 8Ω load: 30W+30W) sound output test) Accessories: copy of instruction manual Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg
- description
- Maintained in 2023. After all, the warm, and glossy sound quality is excellent for stringed instruments. It has a soft and vivid sound not found in transistors, making it perfect for listening for long periods of time. In addition to noticeable scuffs and paint peeling on the exterior and transformer area, dullness and a feeling of use can be seen. Serial F0800283 (Murakoshi Yoichi) Maintenance information: 2023.7.23 maintained (vacuum tube socket block capacitor electrolytic capacitor oil capacitor SP and RCA terminal semi-fixed VR fuse holder replacement load test (8Ω load 1kHz 25W+25W) input/output waveform confirmation sound output check performed gain VOL NFB switching SW disassembly contact refinement to prevent oxidation and sulfation grease coating input/output waveform confirmation distortion load test (1 kHz (25W+25W at sine wave 8Ω load) sound output test) Accessories: copy of instruction manual Main specifications: 50CA10 push-pull output 30W+30W W410 x H183 x H160 mm 13.8 kg
- description
- The price has been drastically reduced. 2024/4/25 sales price 448,000 yen Maintenance is being carried out in 2020. It's a famous machine you can't miss when talking about Marantz sounds of yesteryear. It has a good mid-range fat transfer, and its pleasant sound is an appeal that cannot be obtained anywhere else. You can enjoy the Marantz sounds of the good times. There is some rust and small scratches on the exterior. Serial 8-4160 (Murakoshi Yoichi) Maintenance information: 2020.11.18 maintained (AC code deterioration replacement, 40/40/20 μF and other deterioration replacement, 3 external paint, 20 μF x 2 deterioration replacement, selenium deterioration countermeasures → diode addition · vacuum tube 6BH6 noise exchange · vacuum tube socket and RCA jack caulking repair ※ other operation checked (measured at 32 to 41 W SP: 8 Ω with rated output AC 100 to 117 V) *A2 The EL34 vacuum tube guide pin is broken, but there is no problem with performance. (Part of the SP terminal on the right channel is missing.) Accessories: instruction manual (for replicas, Japanese copy) Main specifications: 35W+35W vacuum tube 6CG7/6BH6/EL34 W348 × H191 × D273mm 22.5 kg
Manufacture:McIntosh
Price: JPY 452,727
- description
- Maintenance has been completed, such as replacing capacitors and replacing deteriorated parts! 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 exterior has a feeling of use over time, such as dullness and small scratches (Hiroki Aso) Maintenance information: 2024.5.19 Maintained (volume curing improvement treatment for TWIN, 2W oil capacitor replaced with 0.01μF, 3W oil capacitor replaced with 0.5 μF, missing thermistor, replacement, 250μF, domestic CE replacement, block capacitor 100/30 μF defective replacement, oil capacitor 0.22 μF defective replacement electrolytic capacitor 20μF, etc. Deterioration replacement resistor 2W deterioration replacement Vacuum tube socket and RCA jack caulking repairs ※ Other operation checks have been performed (measured at 41 to 58 W with rated output AC 100 to 117 V, SP: 8 Ω) ※ The power transformer groans a little, but there is no problem with performance) Accessories: A copy of the English instruction manual 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
Manufacture:Nobsound
Price: JPY 15,273 Sold Out
- description
- The price has been reduced! 2024/5/16 sales price 19,800 yen ※Since it is cheap, it will be handed over as is. This is a compact Chinese vacuum tube amplifier. It comes with a VU meter, so you can enjoy looking at it. The size is designed to be just right for desktops, etc. There is a thread on the exterior (Tamura Eiji) Maintenance information: 2024.5.16 Operation confirmed Accessories: none Main specifications: Vacuum tubes used: 6SN7GT x 2, 5Z4P x 1, 6N1N x 4, W260 x H145 x D253 mm, weight 5.5 kg
Manufacture:Nobsound
Price: JPY 13,455 Sold Out
- description
- The price has been reduced! 2024/5/16 sales price 17800 yen ※Since it is cheap, it will be handed over as is. Chinese vacuum tube amplifiers have arrived. The vacuum tube uses FU32, and is compact and designed to be just the right size for a desktop, etc. There is a thread on the exterior (Tamura Eiji) Maintenance information: 2024.5.16 Operation confirmed Accessories: none Main specifications: 4W x 2 (4Ω) frequency response 26 to 38 kHz W296 x H150 x D210 mm weight 5.7 kg
- description
- The price has been reduced. 2024/5/26 sales price 228,000 yen 2023/10 manufacturer maintenance completed! The flagship stereo power amplifier model with a KT120 push-pull configuration by Sun Valley. 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. The exterior is dull (Hiura Katsuji) Maintenance information: 2023.10.20 manufacturer maintenance (PT replacement with a brand new product, carrying out energization after returning the remodeled point to a normal state, measurement of voltage of each part and measurement of various characteristics, music playback test) Accessories: power cable Main specifications: used vacuum tube KT120 push-pull 55W+55W KT120 x 4 (TUNG-SOL), 12BH7A x 4 (ELECTRO HARMONICS), CV4003 x 2 W400 x H380 x D220 mm 32 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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