TRIO KA-2002A
¥ 26,800 (around 1972)
Commentary
A pre-main amplifier based on KA 2002 and improved.
It has been developed with an emphasis on basic performance and has a simple configuration without any circuitry such as a tone control defeat switch.
Model Rating
| Type | Solid-state stereo premain amplifier | ||||
| Power Amplifier Unit | |||||
| Effective output (1 kHz) |
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| Music Power (IHF) | 46W (4 Ω) 38W (8 Ω) |
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| Total harmonic distortion factor (8 Ω) | 0.8% (at rated output) 0.2% (Rated Output -3dB) |
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| Cross modulation distortion factor | 0.8% (at rated output) 0.2% (Rated Output -3dB) |
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| Output bandwidth | 20 Hz to 30 kHz | ||||
| Frequency characteristic | 20 Hz to 30 kHz ± 2 dB | ||||
| Output terminal | Speaker : 4 Ω ~ 16 Ω Headphone : 4 Ω ~ 16 Ω |
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| Damping factor | 50 (1 kHz, 8 Ω) | ||||
| Preamplifier Section | |||||
| Input Sensitivity / Impedance | Phono1, 2 : 2mV/50k Ω Tuner, AUX, Tape PlayA, B : 150mV/50k Ω |
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| Signal-to-noise ratio | Phono1, 2 : 60 dB Tuner, AUX, Tape PlayA, B : 70 dB |
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| Output Level / Impedance |
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| Tone control | Bass : ± 10 dB (100 Hz) Treble : ± 10 dB (10 kHz) |
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| Loudness control (Rated output -30dB) |
100Hz:+8dB 10kHz:+4dB |
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| <General> | |||||
| Power supply voltage | 100 VAC / 117 V, 50Hz/60Hz | ||||
| Power consumption (Electrical Appliance and Material Control Law) | 40W | ||||
| External dimensions | Width 352x Height 118x Depth 240 mm | ||||
| Weight | 5.4kg | ||||