TRIO W-25
¥ 25,900 (around 1960?)
Commentary
A stereo tri-amplifier that combines a 10W stereo amplifier with an AM/SW tuner.
It supports monaural / stereo AM broadcasting, monaural / stereo recording and shortwave broadcasting.
You can adjust the sound by adjusting the volume of 2 pairs of amplifiers with the clutch type knob.
It is also possible to adjust the left and right separately.
Pickup is compatible with small output magnetic pickup and crystal pickup.
Equipped with an external input terminal, FM tuner and tape recorder can be connected.
It can be attached to wooden cabinet or furniture by removing the case.
Model Rating
Type | AM-AM/SW Stereo Tri-Amplifier |
Receiving frequency | AM : 535 kHz to 1605 kHz (2 channels) SW : 3.7 mhz to 11 mhz |
Output | 10W + 10W maximum 8W + 8W (unstrained) |
Pick-up | Magnetic / Crystal Dual Use |
Tone control | Bass : + 12 to -17dB at 50 Hz Treble : + 17 to -14dB at 10 kHz |
Loudness control (Vol-30dB) | + 12 dB at 50 Hz, + 11 dB at 10 kHz |
Equalizer | RIAA |
Residual noise | 50mV(MAG) 5mV(Aux) |
Tuning instruction | Two tuning indicators |
Vacuum tube used | Total 14 balls, 2 koku 6BE6x2 6BD6x2 6AQ8 12AX7x2 6BM8x4 6ME5x2 5AR4 OA79x2 |
Power supply voltage | 100 VAC / 117 V, 50Hz/60Hz |
Power consumption | 125VA |
External dimensions | Width 436x Height 132x Depth 300 mm |
Weight | 11kg(24.21lbs) |