Technical Details
Brand: Tandberg
Model:74
Category:Mid High Fidelity
Application:Consumer
Electronics:Solid State
Equalization:IEC
Country of Manufacture:Norway
Release dates:1964 - 1967
Original Price: $400
Tracks:1/4 Rec/PB
Speeds: 1 7/8, 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 3
Head Composition: Permalloy
Head Configuration: Stereo
Auto Reverse?:No
Voltage(s): 220-240v
Outputs: RCA
Frequency Response: 7½ ips: 40Hz -16kHz
Wow and Flutter:< 0.15 % at 7½ ips. < 0.2 % at 3¾ ips. < 0.3%at 1 ips
Sound quality rating:7 / 10
Long-term reliability rating: 7/ 10
Additional Details
Description
First released in late 1962, the series 7 was a deluxe, four-track stereo recorder with three speeds,
built-in 3 watt per channel stereo amplifier and two 7″ speakers.
It utilised a single four-pole asynchronous capacitor motor and a precision
record/playback head along with a ferrite core erase head.
Features included twin EAM 86 magic eye record level indicators, ‘joystick’
type motion selector, separate stereo volume controls, stereo inputs for
Mic & Line, stereo cathode follower and speaker outputs.
Price when new: $US 400.00
Additional Info
Signal to noise ratio: quarter-track – 53 db. half-track 56 db / Total harmonic distortion: < 0.5% / Bias frequency: 85.5kHz / Valve complement (Model 74B): 1 x ECC 82. 4 x ECC 83. 2 x EL 84. 2 x EAM 86. 1 rectifier and 2 AC107 transistors / Crosstalk: better than 60dB at 400Hz / Audio output power: 2 x 3 watts / Bass switch: 8 dB lift at 100Hz, only in playback and amplifier modes / Inputs: microphone: 2.5 mV. radio: 2.5 mV to 7V (adjustable) / Power consumption: 85 watts / Speaker(s): two 7″ x 4″ / Dimensions: 15½ x 12 x 7″ (394 x 305 x 178 mm) / Weight: 27½ lbs (12.5 kg) / model 74: quarter-track stereo. model 72: half-track stereo