Magnetofon szpulowy quadrofoniczny Pioneer QT-74 najwyższy model

Manufacturer: Pioneer
Model: QT-74 (Black version of the Pioneer QT-6600)
Type: Auto-Reverse Quadrophonic Reel Tape
Year of manufacture: 1972 - 1973
Made in: Japan
Color: Metal black, wooden case walnut
Remote control: -
Power consumption: 75 watts
Dimensions: 434 x 478 x 212 mm (WxHxD)
Weight: 17 kg
Original price approx.: 599 US-$ (USA, 1971), corresponds to about 2'400 DM

Connections

Number of inputs:
Line: 30 mV, 50 kOhm
Line DIN:

Microphone: 0.3 mV, 50 kOhm
Number of outputs:
Line: 775 mV, 50 kOhm, max. 1.2 V
Line DIN: 775 mV, 50 kOhm

Headphones: max. 20 mV, 8 Ohm

Technical Data

4-track, 2/4-channel, stereo/quadraphonic tape deck.
Max. Reel diameter: 18 cm
Drive: 1x 4-pole motor
Heads: 5 (1x 4 track record/playback, 1x 2 track record/playback, 3x erase)
Tracks: 4
Tape speeds: 9.5 cm/s, 19 cm/s
Synchronisation fluctuations:
0.20% (at 9.5 cm/s)
0.12% (at 19 cm/s)
Overall frequency response:
30Hz - 13kHz (at 9.5 cm/s)
30Hz - 20kHz (at 19 cm/s)
Signal-to-noise ratio: > 55 dB
Spurious signal-to-noise ratio:
Distortion factor:
Equalization: NAB Standard
Crosstalk attenuation:
Cancellation attenuation:
Premagnetization and extinction frequency:
Rewind: 110 seconds for 370m band

Special Features

Automatic Reverse
4 VU meters
Recording master control
2 headphone jacks for front + rear

Notes
Other models in the same series:
Pioneer T-600
Pioneer T-6100
Pioneer T-6600
Pioneer T-8800
Pioneer QT-6600
Pioneer QT-74