Single sale direct heat triode tube, made in Russia, white base, measured value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, white base, made in Russia, measured value 84/76, rejected value 58) with replacement box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, EL34 compatible ball, Russian tube, measured value 44/42 (rejected value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
The disposal price has been reduced. Member discounts are not applicable. 2024/6/8 sales price 128,000 yen Sun Valley 6550 push pull The design imitates Macintosh amplifiers of yesteryear. The sound design is bright, energetic, and supple, and has excellent sharpness that is more responsive than a normal transistor amplifier. There is dullness, dirt, small scratches, and dullness on the metal part of the power cord (Murakoshi Yoichi)
Maintenance information: 2024.6.7 sound output confirmed
Accessories: power cord
Main specifications: 6550 push-pull rated output 40W+40W using vacuum tube 6550, EL84 x 4 (SOVTEK), 12AX7EH x 2 (electro-harmonix) 4Ω/8Ω compatible W430 x D270 x H200 mm 18 kg
Set of 4 insulators It is effective for player and rack feet. There are scratches and bumps on the exterior (Tamura Eiji)
Accessories: none
Main specifications: height 19 mm x diameter 95 mm weight 109 g