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300BシングルJapan

Ask 24-42814-10222-00
300Bシングル
Manufacture:自作
Price: JPY 316,364
Japan
Shop: Osu shop
Arrival: 2024-06-05 20:07:56
description
Maintained! This is a very well made 300B single amp. The outstanding sharpness and power, and sweet and gorgeous sound are unbearable. The JJ 300B is used as the output tube. It is a combination of the popular transformer TAMURA F-2007 pair, PC-3004, and A-4003. The first stage uses 12AT7, and the rectifier tube uses 5AR4. It comes with a volume and can be connected directly to a CD. There is a ham balancer inside (Yasuhito Koshihama) Maintenance information: 2024.6.5 maintained (AC cord missing added; wiring changed to output impedance 4Ω → 8Ω; main volume 100K B curve → 2 replacement; vacuum tube 12AT7 deterioration replacement; RCA jack and vacuum tube socket caulking repair. Operation checked with AC 100V (measured with rated output 10W+10W SP8Ω) Accessories: power cable Main specifications: output 10W+10W (actual measurement) W434 × H217 × D333 mm 18.9 Kg (actual measurement)

6L6GC

Ask 24-42399-08473-00
6L6GC
Manufacture:JJ
Price: JPY 5,909(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:26
description
Pair tube ambient heat beam tube measurement value 44/42 (rejection value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

6L6GC

Ask 24-42399-08474-00
6L6GC
Manufacture:JJ
Price: JPY 5,909(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:22
description
Pair tube ambient heat beam tube measurement value 40/38 (rejection value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
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