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M-43 Trio-Wave

M-43 Trio-Wave ; Lafayette Radio & TV (ID = 658500) Radio
M-43 Trio-Wave ; Lafayette Radio & TV (ID = 700682) Radio M-43 Trio-Wave ; Lafayette Radio & TV (ID = 700683) Radio
M-43 Trio-Wave ; Lafayette Radio & TV (ID = 700687) Radio M-43 Trio-Wave ; Lafayette Radio & TV (ID = 700688) Radio
M-43 Trio-Wave ; Lafayette Radio & TV (ID = 1532473) Radio
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M-43 Trio-Wave ; Lafayette Radio & TV (ID = 700682) Radio
Lafayette Radio & TV: M-43 Trio-Wave [Radio] ID = 700682 747x933
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Für Modell M-43 Trio-Wave, Lafayette Radio & TV Corp; New York (NY):
Lafayette Catalog Nº 53 for 1933, page 10.
 
Land:  USA
Hersteller / Marke:  Lafayette Radio & TV Corp; New York (NY)
anderer Name
 
Wholesale Radio
Jahr: 1932/1933 Kategorie: Rundfunkempfänger (Radio - oder Tuner nach WW2)
Röhren 8: 56 58 58 58 55 47 47 80
Hauptprinzip Superhet allgemein; ZF/IF 520 kHz; 2 NF-Stufe(n)
Anzahl Kreise 8 Kreis(e) AM
Wellenbereiche Langwelle, Mittelwelle und zwei mal Kurzwelle.
Spezialitäten
Betriebsart / Volt Wechselstromspeisung / 105 - 120 Volt
Lautsprecher Dynamischer LS, mit Erregerspule (elektrodynamisch)
Belastbarkeit/Leistung
von Radiomuseum.org Modell: M-43 Trio-Wave - Lafayette Radio & TV Corp; New
Material Metallausführung
Form Chassis - Einbaugerät
Abmessungen (BHT) 13.5 x 9 x 10 inch / 343 x 229 x 254 mm
Bemerkung The Rider's schematic 10-8 has been drawn Sept. 26, 1935 and shows the same schematic for M-41 (Dual-Wave) and M-43 (Trio-Wave). In fact it is also for M-39, M-40, M-42, M-55, M-56, M-61 and M-62 as Dual-Wave and the following Trio-Wave models: M-57, M-58, M43, M-44, M45 and M-46. This family uses 3 tuned IF filters. Oscillator is the tube 56. 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 for the "Dual-Wave" models and 12 to 2000 m for "Trio-Wave" models. Tone control, calibrated 2-speed dial, push-pull output. Sensivity is better than 2.5 microvolts per meter with 10 kc selectivity. For "Trio-Wave" the catalog states: "with sensitivity less than 1 micro-volt per meter" but that is probably only on long waves. But the catalog shows also other tubes for the M-43 Trio-Wave and the other "Trio-Wave" models: 3 x 58, 2 x 57, 56, 47 and 80 instead of 56 58 58 58 55 47 47 80 given on the Rider's schematic. For addl. $ 3.75 the chassis came with dual speaker instead of one.

See picture details and see details and summaries for the models of this catalog no. 53 for 1933 (Season 1932/33).
Originalpreis 37.00 $
Datenherkunft extern Ernst Erb
Schaltungsnachweis Rider's Perpetual, Volume 10 = 1939 and before
Literaturnachweis Machine Age to Jet Age II (page 184.)
Literatur/Schema (1) Lafayette Radio Catalog (Lafayette Catalog Nº 53 for 1933, page 10.)
Literatur/Schema (2) Cathedral & Tombstone Radios (page 160.)


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