TRIO TT-20
¥ 49,800 (around 1969)
Commentary
Stereo tape deck with three heads.
Model Rating
| Type | Stereo tape deck |
| Truck type | 4-track, 2-channel stereo and monaural |
| Mechanism type | 1 Motor, belt and idler drive |
| Reel used | Maximum 7 |
| Head and amplifier | Three head system of recording, reproduction, and erasure All Solid State Recording / Playback / Built-in Dedicated Preamplifier |
| Tape Speed | 2 Speed (19cm/sec., 9.5cm/sec) |
| Wow and flutter | 19cm/s : not more than 0.15 per cent (rms) 9.5cm/s : not more than 0.25 per cent (rms) |
| Frequency characteristic | Playback : 50 Hz to 15 kHz 2 dB (19cm/s) Re-recording : 40 Hz to 19 kHz + 1-3 dB (19cm/s) 50 Hz ~ 10 kHz + 1-3 dB (9.5cm/s) |
| Recording and playback equalizer | NAB Standard |
| Signal-to-noise ratio (relative to base recording level) |
Playback : 50 dB or more Re-recording : 45 dB or more |
| Erasing method | AC Erase, Frequency 85 kHz |
| Input jack | Mic : Maximum sensitivity -63dB (0.6 mV) / 10k Ω ~ 50k Ω Line : Maximum sensitivity -18dBS (100 mV) / 100k Ω |
| Output jack | Line : Reference output 0 DBs (0.775 V) / 2.5k Ω Optimum load impedance : 2.5k Ω |
| Recording and reconnector | Input : Maximum sensitivity -38dBS (9.8 mV) / 100k Ω Output : Reference output 0 DBs (0.775 V) / 2.5k Ω |
| Separation | Track to track : 38 dB or more (100 Hz reference level) Channel to channel : 50 dB or more (1 kHz reference level) |
| Amplifier distortion factor | 0.6% or Less (Both Recording and Playback Amplifier at Reference Level) |
| Semiconductor used | Transistor : 16 Diode : 6 pcs |
| Pwer | 100 VAC / 117 V, 50Hz/60Hz |
| Power consumption | 40W |
| External dimensions | Width 400x Height 347x Depth 200 mm |
| Weight | 10kg |
| Attachment | Reel clamper : 2 pieces No. 7 Empty Reel : 1 Piece Dust cover Audio 2P code : 2 pieces |