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tools
BSR Real Time SpectrumAnalyzer SA-3X
- good display
- with manual
- no microphone
Vintage 10-band real-time audiospectrum analyzer from BSR. Compact half-rack / desktop unit with a100-segment fluorescent bar-graph display — ten ISO octave bands plusan average column. Built for tape-loop use with a home stereo orgraphic EQ so you can see what the room and speakers are actuallydoing, not what you think you hear.
Highlights
- 10-band RTA: 31.5 Hz – 16 kHz (31.5,63, 125, 250, 500, 1k, 2k, 4k, 8k, 16k) plus average
- Fluorescent 11-column bar graph with peak-hold
- Built-in pink-noise generator forroom/EQ alignment
- ¼″ electret mic input (reference micsold separately on many units)
- Line in/out at tape-monitor level; 10 dB pad
- Input sensitivity up to ~7 V; specified THD0.008%, S/N 100 dB
- Does not color the pass-through path when inserted in atape loop
Intended use
Connect through a receiver or preamp tape monitorloop (not pre-out/main-in). Play pink noise, read the bars, trim agraphic EQ until the display is flat. Peak-hold captures a snapshot ofprogram material.
All sales are final, Items are packed well and shipped fromLeague City, TX, USA
I reserve the right to refuse sale to buyers with negative or noresponse. Shipped USPS & International
