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)
Line output transformer pair for preamp sale 1st: 10 kΩ 2nd: 600 Ω transformer ratio 1:0.245 response 15 Hz to 50 kHz primary allowable DC current 20 mA secondary maximum output voltage 30 Vrms W50 × H80 × D56 mm 0.74 kg/piece with original box, specifications, and TANGO badge in good condition (Kojima Yosuke)
Accessories: original box, specifications, TANGO badge
*Sold individually, they are inexpensive because they are painted in silver. Input transformer primary: 5 kΩ/primary series (driver tube RP = 3 k to 7 kΩ recommended), 1.25 kΩ/primary para (driver tube RP = 750 to 1.75 kΩ recommended) primary side inductance 50 h/15 mA (primary series), 13 h/30 mA (primary para), transformer ratio 1+1:1+1 (primary: secondary) DC resistance 340 Ω (all primary), 440 Ω (all secondary) W50 × 50 D55×H95mm 0.78kg TANGO badge is missing (Kojima Yosuke)
Accessories: none
Main specifications: impedance between terminals 3-5:209.9 Ω, 4-6:208.6 Ω, 8-10:162.4 Ω, 9-11:16 6.2 Ω
Choke transformer 5H/250mA (maximum 330mA) DC resistance 67Ω (measured 65.3 Ω) W84 x H105 x D76 mm 2.3 kg no TANGO badge, paint discoloration and minor scratches (Kojima Yosuke)
Accessories: none
Unused item! Choke transformer 1.2h/400mA DC resistance 17Ω (measured 17.1 ohms) W94 x H62 x D57 mm 0.86 kg (not including protrusions) with original box (Kojima Yosuke)
Accessories: original box
※Only 1 network coil attenuator Orient Hi-B cut core attenuation -1 to -20 dB (1 dB interval) maximum input 300 W usage frequency 200 Hz or more, line diameter 1.2 mm, W85 x H72 x D75 mm, approx. 1.1 kg/piece There is distortion in the washer part (Kojima Yosuke)
Accessories: none
Power transformer primary: 100-105V secondary: 24-0-24V/0.18A, 6.3V/0.6A, 25-22.5-20-0-20-22.5-25V/2.6A W100 x H80 x D84 mm 3.2 kg (actual measurement, not including protrusions) There is dullness and abrasions on the body with stays (Kojima Yosuke)
Accessories: stay (main unit attached)
Unused item! Power supply/heater transformer custom product primary: 100V secondary: 5V/3A, 6.3V/2.5A, 600-550-535-0-80-535-80-535-550-600V/0.17A, CT-5V/1.5A × 2 W122 x H87 x D105 mm 5.3 kg (actual measurement, not including protrusions) mounting nut with original box (Kojima Yosuke)
Accessories: mounting nuts, original box
Unused item! Power supply/heater transformer custom product primary: 100V secondary: 5V/3A, 6.3V/2.5A, 600-550-535-0-80-535-80-535-550-600V/0.17A, CT-5V/1.5A × 2 W122 x H87 x D105 mm 5.3 kg (actual measurement, not including protrusions) mounting nut with original box (Kojima Yosuke)
Accessories: mounting nuts, original box
Unused item! Power supply/heater transformer custom product primary: 100V secondary: 5V/3A, 6.3V/2.5A, 600-550-535-0-80-535-80-535-550-600V/0.17A, CT-5V/1.5A × 2 W122 x H87 x D105 mm 5.3 kg (actual measurement, not including protrusions) mounting nut with original box (Kojima Yosuke)
Accessories: mounting nuts, original box