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Hi Fidelity 221-A

Hi Fidelity 221-A; Grommes Precision (ID = 1157838) Ampl/Mixer
 
Hi Fidelity 221-A; Grommes Precision (ID = 1157841) Ampl/Mixer
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Hi Fidelity 221-A; Grommes Precision (ID = 480265) Ampl/Mixer
Grommes Precision: Hi Fidelity 221-A [Ampl/Mixer] ID = 480265 605x325
Select picture or schematic to display from thumbnails on the right and click for download.
For model Hi Fidelity 221-A, Grommes Precision Electronics, Inc.; Chicago (IL):
aus ebay, mit Erlaubnis des Verkäufers mono
 
Country:  United States of America (USA)
Manufacturer / Brand:  Grommes Precision Electronics, Inc.; Chicago (IL)
Year: 1958 ? Type: Audio Amplifier or -mixer
Valves / Tubes 5: 12AU7 12AU7 6L6GB 6L6GB 5U4GB
Principle Audio-Amplification
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC) / 117 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: Hi Fidelity 221-A - Grommes Precision Electronics,
Material Metal case
Shape Chassis only or for «building in»
Dimensions (WHD) 15 x 6.5 x 5.5 inch / 381 x 165 x 140 mm
Notes Grommes Precision Electronics 221A
Power amp, mono, with variable impedance control.
Net weight (2.2 lb = 1 kg) 5.2 kg / 11 lb 7.3 oz (11.454 lb)
Source of data -- Collector info (Sammler)

Model page created by Gottfried Silberhorn. See "Data change" for further contributors.



All listed radios etc. from Grommes Precision Electronics, Inc.; Chicago (IL)
Here you find 59 models, 54 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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