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505; Walter Instruments (ID = 577334) R-Player
505; Walter Instruments (ID = 577335) R-Player
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505; Walter Instruments (ID = 577334) R-Player
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  Great Britain (UK)
Manufacturer / Brand:  Walter Instruments Ltd; Morden
Year: 1958 Category: Sound/Video Recorder and/or Player
Valves / Tubes 5: EF86 ECC83 EL84 EZ80 EM81
Main principle Audio-Amplification
Wave bands - without
Details Tape Recorder
Power type and voltage Alternating Current supply (AC) / 100-125 / 200-250 Volt
Loudspeaker 2 Loudspeakers
Power out 4 W (unknown quality)
from Model: 505 - Walter Instruments Ltd; Morden
Shape Tablemodel, with any shape - general.
Notes Dual speeed (3 3/4 & 7 1/2 ips) portable tape recorder, 7in spools, twin track. Bias oscillator 85Khz. Play time 2 x 30 minutes with 1200 ft standard tape.
Price in first year of sale 60.00 GBP
Source of data -- Schematic
Circuit diagram reference Radio and TV Servicing books (R&TVS) book
Literature/Schematics (1) ERT Sheet 1300.

Model page created by Keith Staines. See "Data change" for further contributors.

All listed radios etc. from Walter Instruments Ltd; Morden
Here you find 9 models, 3 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.