Model: LH Zenette (Ch= 2022)



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LH Zenette (Ch= 2022)


Country: United States of America (USA) Manufacturer/Brand: Zenith Radio Corp.; Chicago, Illinois
Year: 1931 / 1932 Type: Radio or TunerBroadcast receiver (Radio).
Im Gegensatz zu Radioempfängern für kommerzielle und/oder militärische Zwecke und den frühen Empfängern für Morsezwecke nennen wir hier Radio bzw. Rundfunkempfänger. Aber: Gemäss internationaler Sprachregelung führt der Radiokatalog Band 1 alle Empfänger mit aktiven Bauteilen als RADIO. Wir unterscheiden hier ebenfalls nicht, ob mit Röhren bestückt, hybrid, mit Transistoren oder/und ICs.
Mod.-ID = 18990 previous | Result List | next | New search for Radios etc. Schematics etc.: 1 (for members) Principle Superhet with RF-stage; IF-Freq. 175 kHzSuperhet with a preamplification stage.
Please use «To add informations to model» if you know more! Thanks.
Récepteur TSF superhétérodyne avec préamplification de HF.
Superhet mit HF-Vorstufe.

Tuned circuits 7 AM circuit(s);
Wave bands Broadcast only (MW).Mittelwellenempfänger
Power type and voltage Alternating Current supply (AC) / 115 VoltAC set plus voltage range.
/ = 2 different voltages
- = voltage from-to
* = «Special»
Apparareil à courant alternatif. Tensions mentionnées.
/ = 2 Spannungswahlen
- = von-bis
* = Fabrikwahl/«Spezial»
Trafo ist nicht immer mit Primär- undSekundärwicklungen versehen. Dadurch kann das Chassis ein gefährlichesPotential führen.

Loudspeaker/pwr.out Electro Magnetic Dynamic LS (moving-coil with field excitation coil)Electro magnetic dynamic loudspeaker (moving-coil principle by Rice-Kellog) with field excitation coil - mostly used as choke.
Haut parleur dynamique avec bobine d`excitation - plus souvent aussi utilisé pour le self.
Elektrodynamischer Lautsprecher mit Erregerspule für das Magnetfeld (Fremderregung), meist gleichzeitig als Siebglied dienend.

www.radiomuseum.org Model: LH Zenette (Ch= 2022) Material Wooden caseWooden case. Most radios have a wooden cabinet until the WW2. Caisse en bois.
Die meisten Heim-Rundfunkempfänger führen von Beginn an bis etwa Ende 60er Jahre Holz als Gehäuse. Auch frühe Reiseempfänger zeigen Holz (speziell in den 20er Jahren) oder Holz mit Stoffüberzug etc.

Shape Table-Cathedral-Radio.
Valves / Tubes 7: 51     (more for members)
Notes [3331454B] This model LH Zenette with chassis 2022 has an unusual 4-gang variable condenser but only 3 IF cirquits - in total 7 tuned circuits. There are also export models with other mans transformers.
Price in first year of sale 50 USD
External source of data E. Erb 3-907007-36-0
Source of data Zenith Radio The Early, Cones,97Zenith Radio The Early Years 1919-1935, 1997 by Harold Cones and John Bryant
Circuit diagram reference Rider's Perpetual, Volume 2Ave, RD 2, Canandaigua, NY 14424-9564, USA.
For your information:
Other big collections of schematics for the USA are the books «Most-Often-Needed Radio Diagrams», compiled by M.N.BEITMAN (beginning: 1926-1938 = Vol. 1).
and folders from:
Howard W. Sams Company, 2647 Waterfront Parkway East Drive, Indianapolis, IN 46214-2041, Tel.: 1-800-GET-SAMS or 1-800-428-5331 or 7267.

Mentioned in Radio Collector`sGuide 1921-Radio Collector`sGuide 1921-; McMahon, Morgan E.; Vintage Radio, CA90274, USA. (1981)
Literature/Schematics Thali schematics, Switzerland Zenith page 5
   

Zenette LH (Ch=2022) 1931/32 back-view copy from Ebay seller lefjitters More pictures  
Further information on

LH Zenette (Ch= 2022) (Zenith Radio Corp.; Chicago, Illinois)

zenith: LH Zenette: - Repair of transformer  (07.05.2008)  Eduard HonteleHits: 142     Replies: 0 Repair of the Zenette LH transformer.   In my opinion the voltage change from 110 to 220 V, many years ago, seemed the end of life for this radio. To prevent such a mistake a second time I constructed the new transformer ready for the 235 V mains. The pictures below nearly tell the whole story. The high voltage secondary was damaged by a short circuit. Counting the windings at disassembly shows 4 turns/volt. For comfort two flanges were added.   The transformer was rebuilt as follows: §          High voltage secondary 2760 turns with center tab, dia 0.15 mm   (2 x 345 V) §          Paper §          Copper screen from the original transformer. Electrical tape is used to prevent the copper foil to act as a short circuit winding. §          Paper §          Primary 940 turns, dia 0.35 mm (235 V)

 
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