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Monitor Speaker RFSH

Country:  United States of America (USA)
Manufacturer / Brand:  National Company; Cambridge & Malden (MA)
alternative name
National Toy Co.
Year: 1938–1947 ? Category: Loudspeaker, headphone or earphone
Power type and voltage No Power needed
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
Power out
from Model: Monitor Speaker RFSH - National Company; Cambridge &
Material Metal case
Shape Rack
Dimensions (WHD) 19 x 8.75 x 0 inch / 483 x 222 x 0 mm
Notes Rack monitor speaker (with built-in impedance matching transformer) matching HRO family receivers.
Caution: do not confound with speaker RFS matching the AGS receiver !).
Price as in 1938
Price in first year of sale 30.00 $

Model page created by Martin Bösch. See "Data change" for further contributors.

All listed radios etc. from National Company; Cambridge & Malden (MA)
Here you find 430 models, 275 with images and 162 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.