Stereo Tape Deck (1964-65)
The Tandberg model 74 is a complete quarter-track, three speed stereo, record, and playback unit with two heads.
It is equipped with separate record and playback pre-amplifiers for each channel. The combined record/power output amplifiers can be switched between record amplifiers or playback power amplifiers.
The model 74B is similar to the model 74, but is furnished with a playback pre-amplifier output stage, for each channel, in addition to the combined record/ power output amplifier, and a center channel output.
Track system: 4-track, 2-channel, stereo/monaural system
Heads: 1 x combined record/playback, 1 x erase
Motor: four-pole asynchronous
Reel size: up to 7 inch reel
Tape speeds: 1 7⁄8 3 3⁄4 7 1⁄2 ips
Wow and flutter: 0.15% (7 1⁄2 ips)
Frequency response: 30Hz to 20kHz (7 1⁄2 ips)
Signal to Noise Ratio: 53dB
Total harmonic distortion: 5%
Output power: 2 x 3 watts
Speakers: 2 x 7x4"
Semiconductors: 2 x AC107
Valve complement: 1 x ECC82, 2 x ECC83, 2 x ECL86, 2 x EAM86
Dimensions: 15-3/8 x 11-13/16 x 5-7/8 inches
Finish: teak cabinet
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