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Link: radiomuseum | john.ccac.rwth-aachen | hifiengine | telefunken.pytalhost
Country: Germany
Manufacturer / Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Year: 1980/1981 Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) 15:
Reception principle Audio-Amplification
Wave bands - without
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 110-220 Volt
Loudspeaker - This model requires external speaker(s).
Power out 100 W (140 W max.)
Model: Integrated HiFi Stereo Amplifier TA-350 - Telefunken Deutschland TFK,
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 460 x 145 x 350 mm / 18.1 x 5.7 x 13.8 inch
Notes
- Telefunken Integrated HiFi Stereo Amplifier TA-350,
- Inputs: Tuner / Tape, TA magnat., Monitor.
- Outputs: 4 speaker connections, tape and headphones.
- Frequency response: 20Hz to 30kHz
- Input sensitivity: 2mV (MM), 200mV (line)
- Power output: 50 watts per channel into 8Ω (stereo)
- Speaker load impedance: 4Ω to 16Ω
- 2 x 50 Watt sine power (4 ohms),
- 2 x 70 watts of music power (4 ohms).
- 6 ICs.
Net weight (2.2 lb = 1 kg) 8.8 kg / 19 lb 6.1 oz (19.383 lb)
Mentioned in Original Telefunken Service Unterlagen
Technical Data (taken from the User's Manual)
| RMS Output Power: | 2x50 W |
| Peak Output Power: | 2x70 W |
| Distortion Factor: | <0.25 at nominal output power |
| Nominal Load: | 4 Ohms |
| Intermodulation Factor: | < 1 % (250 Hz/8 kHz, 4:1) |
| Transmission Range: | < 20 Hz ... > 30 kHz for +/- 1.5 dB |
| Power Bandwidth: | < 15 Hz ... > 43 kHz for K = 0.7 % |
| Dampening Factor: | 26 at 40 Hz - 12.5 kHz |
| Nominal Input Voltages/ | 200 mV/470 kOhms/30 dB (Tuner/Tape) |
| Overdrive Resistance | 230 mV/80 kOhms/36 dB (Monitor) |
| (at 1 kHz) | 2 mV/47 kOhms/30 dB (Phono/Micro) |
| Output Levels | 1.2 mV/kOhm at Tape Rec and 40 kHz Modulation |
| Headphone: > 200 Ohms | |
| 4 Speakers: 4-16 Ohms (DIN 41 529) | |
| (2xRoom 1/2x Room 2) | |
| Tone Controls: | Bass: +15 to -15 dB at 40 Hz |
| Treble: +12 to -12.5 dB at 15 kHz | |
| Filter: | 6 kHz Frequency = 8 dB/Oct. |
| Phono deemphasis: | according to IEC resp. DIN 45 336 and 45 357 |
| Signal/Noise Ratio | 60 dB (DIN 45 500, Sht. 6) |
| Dampening between L/R: | > 50 dB at 1 kHz |
| > 40 dB at 10 kHz | |
| Dampening among Inputs: | > 70 dB at 10 kHz |
| Dampening Factor: | 1:13 (1 kHz) / 1:8(40 Hz) |
General | |
|---|---|
| Semiconductors: | 6 Integrated Circuits |
| 15 Transistors | |
| 1 LED | |
| 6 Diodes, 1 Rectifier | |
| Mains Voltage: | 220/110 Volts at 50/60 Hz |
| Fuses: | Mains 220 V 1 x T 1.6 A |
| 110 V 2 x T 1.6 A | |
| Secondary 2 x T 2.5 A | |
| T 630 mA | |
| Dimensions: | 460 x 145 x 350 mm |
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