BSR EQ-3000
A 10-band stereo graphic equalizer with built-in spectrum analyzer and test tools
Overview
The BSR EQ-3000 is a 10-band stereo frequency equalizer made for high-fidelity audio systems. It has an integrated LED spectrum analyzer for real-time frequency monitoring, onboard pink noise generation, and support for a feedback microphone to help with room calibration. It has RCA line inputs and outputs plus tape loop connections, so it can be wired into a receiver-based system. One user noted using it in the tape monitor section of their receiver.
Specifications
| Product type | 10 Band Stereo Frequency Equaliser / Graphic Equalizer with Spectrum Analyzer |
| Channels | Stereo (Left & Right) |
| Display | LED spectrum analyzer |
| Inputs/Outputs | RCA line in/out, tape loop connections |
| Output Level | 1V (7V max) |
| Gain | ± 1dB |
| Signal to Noise Ratio | 100dB |
| Equalizer bands | 10-band |
Design
The EQ-3000 has a real-time frequency analyzer and an onboard pink noise generator. An external feedback microphone plugs in for acoustic tuning, which makes the unit usable for active room equalization.
Context
One user reported buying the BSR EQ-3000 shortly after its release and still using it in 2015, noting their background as an audio engineer. The unit has been recommended for the tape monitor path of stereo receivers.
Market
Resale prices for the BSR EQ-3000 have ranged from $40 on Craigslist to $229.99 plus shipping on commercial listings. A service manual is available for purchase, and there are user reports of people looking for it to troubleshoot and repair the unit.
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