Tensai TA 2045

Data

General

• Manufacturer: Tensai (Akai)
• Model: TA-2045
• Year of manufacture: 1981
• Made in: Japan
• Colors: Dark Brown, Chrome
• Type: Analog
• Remote control: No
• Power Consumption: 250W
• Dimensions:
• Weight:
• New price approx:

Connections

• Number of inputs: 8 + power amp.
  • Phono 1 - input sensitivity: 2,5mV
  • Phono 2 - Input sensitivity: 2,5mV
  • Tuner - Input sensitivity: 160mV
  • Aux 1 - Input sensitivity: 160mV
  • Aux 2 - Input sensitivity: 160mV
  • Tape 1 in - Input sensitivity: 160mV

Tape 2 in - Input sensitivity: 160mV

• • Mic - Input sensitivity: 2.5mV
• Number of outputs: 2 + Pre Amp
  • Tape 1 out
  • Tape 2 out

Technical Data

• Continuous power (at distortion factor XX)
  • 8 Ohm: 2 x 40W

4 Ohm: 2 x 60W

• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.1% (T.H.D 1W)
• Attenuation factor:
• Frequency Response:
  • Power bandwidth: 20 - 50000Hz

Frequency response: 17 - 40000Hz

• Signal to noise ratio:
  • Phono: 70dB
  • Mic: 65dB

Aux: 85dB

• Stereo channel separation:
  • at 1kHz: 60dB
  • at 10kHz: 40dB
• Tone control:
  • Bass: (100Hz) 10dB

Treble: (10kHz) 10dB

• Loudness:
  • 100Hz: 10dB

10kHz: 6dB

• High Filter: 7dB/oct.
• Low Filter: 7dB/oct.
• Mute: 20dB
• Direct/Line-Straight: No

Special Features

• Fuse circuits:
  • Power-on delay (Transient Kill).

Current Limiter to protect the power transistors and the loudspeakers from short circuits and overloads.

• Power transistors:
  • 2SD 428; 100V 7A 60W TO-3
  • 2SB 558; 100V 7A 60W TO-3; complementary to 2SD 428

Remarks

Other models in the same series:

Pictures

• Front view

• Rear view

• Block diagram (on the top of the case).