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M-47 Dual Wave

M-47 Dual Wave ; Lafayette Radio & TV (ID = 656815) Radio
M-47 Dual Wave ; Lafayette Radio & TV (ID = 672637) Radio M-47 Dual Wave ; Lafayette Radio & TV (ID = 672633) Radio
M-47 Dual Wave ; Lafayette Radio & TV (ID = 672638) Radio M-47 Dual Wave ; Lafayette Radio & TV (ID = 672634) Radio
M-47 Dual Wave ; Lafayette Radio & TV (ID = 672635) Radio M-47 Dual Wave ; Lafayette Radio & TV (ID = 1579994) Radio
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M-47 Dual Wave ; Lafayette Radio & TV (ID = 672637) Radio
Lafayette Radio & TV: M-47 Dual Wave [Radio] ID = 672637 933x579
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For model M-47 Dual Wave, Lafayette Radio & TV Corp; New York (NY):
Lafayette Catalog Nº 53 for 1933, page 8.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Lafayette Radio & TV Corp; New York (NY)
alternative name
 
Wholesale Radio
Year: 1932/1933 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 10: 56 58 58 58 55 56 56 47 47 80
Main principle Superheterodyne (common); ZF/IF 520 kHz; 2 AF stage(s)
Tuned circuits 8 AM circuit(s)
Wave bands Broadcast plus more than 2 Short Wave bands.
Details
Power type and voltage Alternating Current supply (AC) / 105 - 120 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: M-47 Dual Wave - Lafayette Radio & TV Corp; New
Material Metal case
Shape Chassis only or for «building in»
Notes The Rider's schematic 6-10 shows in fact the same schematic for M-47, M-48, M-49 and M-50. This family uses 3 tuned IF filters like the M-39 etc. Oscillator is the tube 56 and an other 56 is a blocking tube. The 55 is the diode detector incl. for AVC. Four different bands are reached by rotary band switching: BC 194 - 555 m, 72.4 - 216 m, 32.3 - 96.2 m and 12 to 33 m. Tone control, calibrated 2-speed dial. Sensivity is better than 2.5 microvolts per meter with 10 kc selectivity. Push-pull output.

The family shows model M-47 Dual-Wave chassis only list price $ 93.50, Lafayette price $ 41.75, M-48 for 220-240 volts 25-40 cycles (100.00) for $ 44.75, M-49 with cabinet (105.00) for $ 46.50 and M-50 for 220-240 volt 25-40 cycles (110.00) for $ 49.00. Both chassis available with dual speakers instead of one for addl. $ 3.75. See details and summaries for the models of this catalog no. 53 for 1933 (Season 1932/33).
Price in first year of sale 42.00 $
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 6 = 1935 and before
Literature/Schematics (1) Lafayette Radio Catalog (Lafayette Catalog Nº 53 for 1933, page 8.)
Literature/Schematics (2) Cathedral & Tombstone Radios (page 160.)


All listed radios etc. from Lafayette Radio & TV Corp; New York (NY)
Here you find 1308 models, 1116 with images and 397 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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