Maintained! 2A3 transformer combined single amplifier. We are particular about the fact that all transformers are made by TANGO. The sound is relaxed, and the sound is rich, deep, and warm. The exterior has a feeling of use such as scratches on the hood (Takahashi Nobuyuki)
Maintenance information: 2025.7.25 maintained (output tube left and right replacement, solder correction, vacuum tube, pin cleaning, pest cleaning, bias check, ham balance adjustment, output, voice check, implementation output, approx. 3.5W)
Accessories: none
Main specifications: size W415 x H210 x D270 mm approx. 19 kg used vacuum tube 2A3 (SOVTEK) x 2 output 3.5W x 2 (actual measurement)
It is a vacuum tube amplifier created by making full use of parts and circuits that have been thoroughly examined in order to fully bring out the performance and tone of the latest direct thermal triode TA-300B. By expressing the music as it is, it evokes the original vivid breath of music from the listening board, and it is a special car where you can enjoy the real thrill of audio to your heart's content. There are no noticeable scratches on the exterior. Serial M10300088 (Fujisawa Yukishi)
Maintenance information: 2025.7.25 Operation confirmed
Accessories: instruction manual, power cord, bonnet
Main specifications: rated output 8W+8W frequency characteristics 20Hz-20kHz (+0.3, -1.5dB) 10Hz-30kHz (+0.3, -3.0dB) vacuum tubes using 5AR4 (SOVTEK) x 2 6SN7GTB (TUNG-SOL) x 4 TA-300B (Takatsuki Electric Industries) x 2 dimensions W460 x H237 x D340 weight 29.0 kg
Pair tube double triode tube VT-231 equivalent tube made in Russia measurement value 106/104 (rejection value 50) There is printing distortion and disappearance of the one-sided tube with the original box ※Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, double triode tube, VT-231 equivalent tube, made in Russia, measured value 114/106 (rejected value 50) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube Russian metal base measurement value 56/54 (rejected value 44) lot: 1110/1110 ※Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box