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Reel-to-Reel Tape Recorder 64X

Reel-to-Reel Tape Recorder 64X; Tandberg Radio; Oslo (ID = 1890212) R-Player
Reel-to-Reel Tape Recorder 64X; Tandberg Radio; Oslo (ID = 1890127) R-Player Reel-to-Reel Tape Recorder 64X; Tandberg Radio; Oslo (ID = 1890129) R-Player
Reel-to-Reel Tape Recorder 64X; Tandberg Radio; Oslo (ID = 1890130) R-Player Reel-to-Reel Tape Recorder 64X; Tandberg Radio; Oslo (ID = 1890131) R-Player
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Reel-to-Reel Tape Recorder 64X; Tandberg Radio; Oslo (ID = 1890127) R-Player
Tandberg Radio; Oslo: Reel-to-Reel Tape Recorder 64X [R-Player] ID = 1890127 1392x1044
Select picture or schematic to display from thumbnails on the right and click for download.
For model Reel-to-Reel Tape Recorder 64X, Tandberg Radio; Oslo
 
Country:  Norway
Manufacturer / Brand:  Tandberg Radio; Oslo
Year: 1960–1966 ? Category: Sound/Video Recorder and/or Player
Valves / Tubes 10: ECC83 ECC83 ECC81 ECC81 EAM86 EAM86 ECC83 ECC83 ECC82 ECC82
Semiconductors (the count is only for transistors) 8:
Main principle Audio-Amplification
Wave bands - without
Details Tape Recorder
Power type and voltage Alternating Current supply (AC) / 60 Hz, 115V or 50 Hz, 110; 125; 145; 200; 220; 245 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Reel-to-Reel Tape Recorder 64X - Tandberg Radio; Oslo
Material Wooden case
Shape Tablemodel, low profile (big size).
Notes

Four-track stereo / mono, 3 speeds: 7.5 inch/sec (19cm/sec) @ 30-20000 Hz, 3.75 inch/sec (9.5 cm/sec) @ 30-14000 Hz, 1.875 inch/sec (4.75 cm/sec) @ 50-7000 Hz. Channel separation better than 60 dB.  4 separate tape heads: erasing head, recording head, playback head, and bias head.  Synchronous motor. 3 channel output, left, right and center (monoaural).

The "X" in "64X" stood for "Cross Field Head." It was an extra head that fed a bias signal from behind the tape across to the opposite channel record head. The cross field head system is intended to give lower distortion during recording. It doesn't affect playback, so it has no effect when playing pre-recorded tapes or tapes recorded on another machine.

This hybrid set used 10 tubes, 8 transistors, and 2 selenium rectifiers.

U.S. Version for 60 Hz, 115V has an Interlock system for mains input.
See the schematic for other differences (motors, transformer) regarding the mains frequency and voltages.

Model page created by Rodney Boleyn. See "Data change" for further contributors.



All listed radios etc. from Tandberg Radio; Oslo
Here you find 197 models, 167 with images and 104 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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