Rockford Fosgate RF-200 (c. 1989–1990)
The Rockford Fosgate RF-200 was a stereo preamplifier, sold as the control half of a pairing with the company's RF2000 power amplifier. Documentation is thin today, but two period reviews show what it was: a no-frills, high-performance preamp that let the specs do the talking.
Audio (June 1990, p.86) called it reliable, accurate, and distortion-free "without needless frills" - and the measurements backed that up. The phono section's RIAA playback equalization was, in the magazine's words, one of the best ever measured in their lab. It never deviated more than 0.2 dB from ideal. HI-Fi-Stereo-Buyers (June 1989, p.56) listed the RF-200 at $550 in a test report covering it alongside the $1,198 RF2000 amplifier.
These are the published specifications, from Audio's June 1990 equipment profile (p.82):
- Frequency response: phono and high level, 20 Hz–20 kHz, ±0.4 dB
- Maximum output: 9.25 V rms
- Rated THD: 0.005%
- Input sensitivity: MM phono, 0.6 mV; high level, 60 mV
- Phono overload: 75 mV at 1 kHz
- S/N ratio: phono, 83 dB; high level, 90 dB
- Tone controls: bass ±13 dB at 38 Hz; treble ±11 dB at 20 kHz
- Crossover: 12 dB/octave, supplied as −3 dB at 100 Hz; modules available for other frequencies
- Crosstalk: phono −78 dB; high level −90 dB
- Separation: phono 72 dB; high level 76 dB
No production dates or broader family history have surfaced beyond these review-period facts. If you have an original manual or brochure, the archive would like to hear from you.
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