History of the manufacturer
Grommes Precision Electronics, Inc.; Chicago (IL)
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| Name: | Grommes Precision Electronics, Inc.; Chicago (IL) (USA) |
| alternative name: |
 |
| Abbreviation: | grommes |
| Products: | Model types Others |
| Summary: |
Began as a company that designed and manufactured signal tracers, William Grommes founded Grommes~Precision Electronics, Inc. in March of 1946. After 52 years of operation in Franklin Park, Grommes~Precision has moved its facilities to Gurnee Illinois. |
| Founded: | 1946 |
| History: |
The name "Grommes" was adopted specifically for Grommes~Precision Electronics Inc., line of consumer hi-fi products, lead by the chief engineer and audiophile, Al Hart. Grommes became a pioneer in high-fidelity with mono block tube amplifiers, pre-amplifiers, integrated amplifiers, stereo amplifiers and tuners... The demand for quality hi-fi amplifiers grew substantially and in 1952 Grommes~Precision moved its operations to Franklin Park, Illinois.
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This manufacturer was suggested by Vitor Oliveira.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 51 | Super Tracer - VTVM 251 | AM-FM and TV servicing. Trace signals from Antenna, RF, IF and AF stages. | |
| USA | 51 | 201 Deluxe Signal Tracer | For all AM-FM and TV circuits. 20 cycles to over 300 mc. | |
| USA | 56 | GRT-1 | 6BK7A | Grommes model GRT-1 is an AC operated AM-FM superheterodyne tuner. |
| USA | 56 | Flat Six 55C | 12AX7 | Four channel, 12-Watt amplifier. AC Operated 4 Channel Amplifier. |
| USA | 56 | Pre-Amplifier 211 | 12AX7 | Preamp-Equalizer, mono. |
| USA | 56 | 220-BA | 12AU7 | 20-Watt basic amplifier, with Internal Impedance (= damping) control. |
| USA | 56 | 56-PG | 12AX7 | The Grommes Model 56PG is a AC Operated 12 Watt audio Amplifier. |
| USA | 56 | Hi Fidelity Amplifier LJ-4 | 12AX7 | 10-Watt integrated amplifier, mono, with phono equalization Flat / RIAA / Old LP. |
| USA | 58 | GRT-3 | 6BQ7A | Tuner only. The Precision Electronics Model Grommes GRT-3 is an AC operated 12 tube FM-AM ... |
| USA | 59 | 260A | 12AU7 | For speaker with 4, 8 or 16 ohms. |
| USA | 60 | 250-K | 6L6GB | 60 W Pout; for speaker with 4, 8 or 16 Ω. |
| USA | 59 | 209 | ECC83 | Stereo preamplifier. |
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