TRIO KA-2002
¥ 26,800 (around 1971)
Commentary
ATC2000 series solid state pre-main amplifier.
It has been developed with emphasis on basic performance by cutting off accessory circuits such as tone control defeat switches.
It can be upgraded to a multi-system by using a pre-main jumper circuit.
.JPG)
Model Rating
| Type | Solid-state stereo premain amplifier |
| Effective power | 4 Ω : 15W/15W 8 Ω : 13W/13W |
| Music power | 4 Ω : 46W 8 Ω : 38W |
| Frequency characteristic | 17 Hz to 50 kHz ± 2 dB |
| Output bandwidth | 20 Hz to 30 kHz |
| Total harmonic distortion factor | 0.8% (at rated output) 0.2% (-3dB at rated output) |
| Cross modulation distortion factor | 0.8% (at rated output) 0.2% (-3dB at rated output) |
| Input Sensitivity / Impedance (at rated output) |
Phono1, 2 : 2mV/50k Ω Tuner, AUX/Tape Play : 150mV/50k Ω Main IN:100mV |
| Recorded output | PIN:150mV DIN:30mV |
| S/N | Phono1, 2 : 60 dB Tuner, AUX/Tape Play : 70 dB |
| Damping factor | 50 (8 Ω) |
| Speaker impedance | 4 Ω ~ 16 Ω |
| Tone control | Bass : ± 10 dB (100 Hz) Treble : ± 10 dB (10 kHz) |
| Loudness control | +8dB(100Hz) +4dB(10kHz) |
| Semiconductor used | Transistor : 22 Diode : 10 pcs |
| Power consumption | Maximum output : 60W No signal : 8W |
| External dimensions | Width 330x Height 117x Depth 240 mm |
| Weight | 4.8kg |