The price has been drastically reduced! 2026/2/7 sales price 148,000 yen Maintenance was completed at Sun Valley in 2022/2. LINE exclusive preamp. An output transformer is luxuriously used, and it is characterized by a warm and smooth sound. This preamp is recommended for those looking for a nostalgic tone. Paint peeling is scattered throughout. (FUJISAWA KOSHI)
Maintenance information: 2022.2.25 Maintained by the manufacturer (power transformer and electrolytic capacitor replacement. (Measurement of voltage and various characteristics of each part after a total of 15 hours of energization.)
Accessories: instruction manual, power cord
Main specifications: Vacuum tube used SVETLANA/10J12C x 2 5U3C x 1 W330 x H210 x D230 mm 12 kg
Pair tube direct heat triode tube made in Russia measured value 74/74 (rejected value 58) with original box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
* The print design etc. attached to the tube are different on both tubes, but since the internal structure is the same, they were treated as a pair, pair tube, direct heat triode tube, made in Russia, measured value 78/74 (rejected value 58) with original box ※The pair is determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (there are differences in design and size)
Pair tube, 6 AS7 compatible ball, made in Russia, measured value 70/68 (rejected value 36) with original box ※The pair is determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube made in Russia measured value 72/70 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube KT88 compatible sphere Russian metal brown base measurement value 50/50 (rejection theory 44) there is writing on the base with the blue box ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: blue box