TRIO W-50
¥ 56,300 (around the early 1960 s?)
Commentary
High-grade tri-amp developed as a super deluxe type.
The output power is 60W monaural and 30Wx2 stereo.
It is equipped with a rumble filter that eliminates low-frequency noise and a scratch filter that eliminates high-frequency noise.
In addition, it is equipped with a loudness control to compensate for the low and high sound when the sound is reduced.
Equipped with hetero filter to eliminate unpleasant whistle sound.
It is equipped with an AFC circuit, enabling stable FM broadcast reception.
Uses full DC ignition and eliminates hum.
Both magnetic and crystal pick-up jacks are available for stereo and mono.
Equipped with a dynamic or crystal microphone jack.
Equipped with a tape recording and playback terminal.
Equipped with FM stereo jacks.
Equipped with a rod antenna for FM broadcast reception.
Model Rating
| Type | FM/AM-AM/SW Stereo Tri-Amp |
| Receiving frequency | FM : 76 MHz to 108 MHz AM1, 2 : 535 kHz to 1605 kHz SW : 3.7 mhz to 11 mhz |
| Sensitivity (input required for S/N20dB) | FM : 2 μ V/94MHz AM : 40 μ V/1MHz SW : 70 μ V/7MHz |
| Output | 30W + 30W maximum 25W + 25W (unstrained) |
| Accessory circuit | Hetero / Rumble / Scratch Filter Loudness control FM-AFC Stereo headphone jack Equalizer circuit DC ignition FM rod antenna |
| Used vacuum tubes, etc. | 7189x4, other, 21 balls in total Diode x1 |
| External dimensions | Width 490x Height 140x Depth 340 mm |
| Weight | 17kg(37.5lbs) |