SONY TA-1000
¥ 32,800 (around 1969)
Commentary
A stereo pre-main amplifier developed as an easy-to-use universal type.
ITL and OTL circuits are fully adopted in the circuit structure.
Equipped with a speaker selector switch that can use 2 pairs of speakers.
It is equipped with a loudness control for adjusting the sound balance at low volume, a high filter for eliminating scratching noise, a lever-type balance control knob, and a headphone jack.
Equipped with two pairs of phono input jacks for switching between two cartridges.
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Model Rating
| Type | Stereo pre-main amplifier |
| Circuit system | SEPP OTL circuit |
| Output | Music Power : 44W (8 Ω, both channel operation) Rated Output : 15W + 15W (8 Ω, Both Channel Operation) |
| Harmonic distortion factor | 0.5% or Less (Rated Output) 0.2% or Less (at 1W output) |
| Cross modulation distortion factor | 1% or Less (Rated Output) |
| Damping factor | 26 or More (8 Ω) |
| Signal-to-noise ratio | Phono : 70 dB or more Tuner, AUX : 90 dB or higher |
| Input Sensitivity / Impedance | Phono1, 2 : 1.2mV/47k Ω Tuner, AUX1, 2, Tape, Rec/PB (in) : 250mV/100k Ω |
| Output Level / Impedance | Rec Out : 250mV/10k Ω Rec/PB (out) : 36mV/80k Ω |
| Frequency characteristic | Phono:RIAA AUX : 20 Hz ~ 60 kHz + 0 -3dB |
| Tone control | Bass : 100 Hz ± 10 dB Treble : 10 kHz ± 10 dB |
| High filter | 6dB/oct, about 5 kHz |
| Loudness control (at Volume -30dB) |
100Hz:+8dB 10kHz:+4dB |
| Semiconductor used | Transistor : 20 Diode : 5 pcs |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power outlet | Total 300W Power switch interlock : 2 systems Power switch not linked : 1 system |
| Power consumption | Approx. 47W |
| External dimensions | Width 420x Height 123x Depth 247 mm |
| Weight | 5.4kg |