ALTEC tubular mono power amplifier 1570B, which will be in stock for the first time in about 4 years! It is an individual in good condition compared to the ages. 811A push-pull amplifier It is still very popular, and you can enjoy good vacuum tube sound by braking the woofer firmly while vacuum tube. The sound with a thick core in the low frequency gives you a sense of momentum and power that is unparalleled as a vacuum tube. There are some paint peeling and scratches in appearance. Serial 7280/333 (Tamura Eiji)
Maintenance Information: 2021.8.3 Maintained (◎ Common · Main Volume Noise Breaks and Pair Exchange 1 × 2 · Block Capacitor 120μF Degradation Replacement 2 x 2 · Resistance 1/2 W Added 1 x 2 · Vacuum tube socket and RCA jack caulking repair ◎ No.333 · Vacuum tube 6W6 defective replacement 2 pcs · AC code pair replacement ※ Other operation checked (rated output AC100 ~ 117V (Measured at 84-128W SP: 8Ω) ※ The head of the output tube (anode part) is easy to come off, so please do not move as much as possible)
Accessories: no accessories
Main specifications: Vacuum tube equipped with Peerless transformer 811A × 4, 5R4GY × 8, 6W6GT × 4, 6SN7×2, 12AX7×2 165W+165W W482 × H272 × D310mm 40kg
* There is a buzzing noise when the power is turned on, but this is a specification. This is an 811A push-pull tube power amplifier. You can enjoy the sound of a vacuum tube with a luxurious mono specification and a good overhang where the woofer is firmly braked. The thick, cored sound in the low frequencies makes you feel the momentum and strength that is unparalleled for a vacuum tube. The exterior is dull and corroded throughout. Serial 3172/3173 (Satoshi Yoneshima)
Maintenance Information: 2020.1.9 Maintained (VT6W6 pin part replaced due to unstable solder. R1/2W replacement Thermistors have been added to both channels because Thermal Breaker (Thermal Breaker) is unstable. One 811A on one side is thin, but there is no problem with operation) 2017.12.4 maintained (common, 1 VT811A replacement x 2. Block.c40μF x 2 replacement 1 x 2 Block.c120μF replacement 2 pieces x 2 R1/2W addition 1 piece x 2 · VT socket and RCA jack caulking repair ◎ 3173 side · main volume deterioration replacement
Other operations have been checked (SP8Ω))
Accessories: There are no accessories
Main specifications: Peerless transformer mounted vacuum tube 811A x 4, 5R4GY x 8, 6W6GTB x 4, 6SN7 GTB x 2, 12AX7 x 2 165W+165W W482 x H272 x D310 mm 40kg
The price has been reduced! 2024/2/10 sales price 99,800 yen ※1 unit only. Maintained! QUAD mono tube amplifier. 220V specification A conversion plug to a step-up transformer and RCA is included, so you can use it as is. Please try the luster and sense of volume in the low frequency range that you can't enjoy with modern amplifiers. The exterior has scratch marks, dirt marks, etc. Serial 492 (Tamura Eiji)
Maintenance information: 2024.2.10 Maintained (AC code created. 1 additional back screw. Replace the 3W domestic resistor with a DALE one. Electrolytic capacitor 25 μF replacement. Vacuum tube socket caulk repair. Operation has also been checked with AC 220V (measured with rated output 13W SP: 8Ω)
Accessories: power cable, step-up transformer, RCA conversion plug
Main specifications: 13 W (8 ohms) frequency characteristics 20 to 20,000 Hz input sensitivity 1.4 V signal-to-noise ratio 80 dB W313 x H165 x D106 mm weight approx. 9 kg
The price has been drastically reduced. 2024/1/20 sales price 798,000 yen Maintained! A crossbow stereo tube power amplifier equipped with GE's VT-4C (211) and WE's 310A. Contrary to the appearance of a large vacuum tube, it plays a delicate, smooth, and hot sound. I definitely want you to play large JBL or Altec speakers with this model. There are no noticeable scratches (Sasaki Shota)
Maintenance information: 2024.1.20 Maintained (vacuum tube 211 deteriorated, pair replaced. Block capacitor 30 μF x 2 deterioration replacement · 20 μF electrolytic capacitor replacement from domestic production to Sprague · 1/2 W resistance deterioration replacement · 2 RCA jack deterioration replacement · vacuum tube socket caulking repair. Operation has also been checked with AC 100V. Rated output 11 W SP: measured at 8 ohms)
Accessories: none
Main specifications: Vacuum tubes used GE VT-4C x 2, WE 310A x 2, rated output 11W, W500 x H270 x D345 mm, weight 37 kg (actual measurement)
Significantly below price (2021.2.27 selling price 698,000 yen) Maintenance! The vacuum tube power amplifier equipped with 2 V1505 × 2 of the ultra-large direct heat triode Ediswan (Mazda) and 310A × 2 WE are in stock. Contrary to the appearance of a large vacuum tube, it produces a smooth sound. I would like you to sound JBL and ALTEC large speakers by all means a gem. There is a slight feeling of use such as small scratches. (Takasaki Takasaki)
Maintenance information: 2021.2.27 Maintenance (AC code shortage added, resistance 5W defective exchange 4, block capacitor 20μF × 4 degradation exchange, Vacuum tube 310A degradation exchange, Vacuum tube 5R4WGA Degradation replacement, vacuum tube socket and RCA jack caulking repair
* Other operation checked (measured at 23W SP: 8Ω at rated output AC100V)
※ 310A shield case is not included, but it does not affect performance such as ham.)
Accessories: Power cord
Main specifications: Approx. W500 × H390 (including vacuum tube) × D320 mm Approx. 39kg
2021.2.27 Maintained! Vacuum tube power amplifiers equipped with V1505 x 2 of the super large direct thermal triode Ediswan (Mazda) and 310A x 2 WE are in stock. Contrary to the appearance of a large vacuum tube, it plays a smooth sound. I definitely want you to play the large JBL and ALTEC speakers. There is a slight feeling of use such as small scratches (Takasaki Atsushi)
Maintenance information: 2021.2.27 Maintained (AC cord missing item added, 5 W resistor defective replacement, 4) block capacitor 20 μF × 4 deterioration replacement, vacuum tube 310A deterioration replacement, vacuum tube 5R4WGA deterioration replacement, vacuum tube 5R4WGA deterioration replacement, vacuum tube socket and RCA jack caulking repair
* Other operations have been checked (measured at 23W with rated output AC100V, SP:8Ω)
(*The shield case for 310A is not included, but performance such as hum does not affect.)
Accessories: power cord
Main specifications: approx. W500 x H390 (including vacuum tube) x D320 mm approx. 39 kg
Stock sale. Previous price:Yen298,000. Quad tube pre and tube power amp. introduce din 1953. Maintenance completed on Mar.9 2011. With step up transformer(100-220V).