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Hi Fidelity 221-A

ID = 134212

Hi Fidelity 221-A; Grommes Precision (ID = 1157841) Amplifier

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Hi Fidelity 221-A; Grommes Precision (ID = 480265) Amplifier

Grommes Precision: Hi Fidelity 221-A [Amplifier] 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

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 56 models, 51 with images and 30 with schematics.