User manual AUDIO RESEARCH SP9

[. . . ] Highly portable or easily installed into a rack, the SP9 is equipped with 2-band equalization on each channel and a 5-band graphic EQ on the main output. [. . . ] It also features 6 electronically balanced mic/line inputs (XLR-type and 1/4 connectors), a CD/tape input (phono connectors), switchable 48 V phantom power, internal reverb, an Aux send and return, along with amp in and preamp and monitor out patch points. Contact: · 6 balanced mic/line-input channels. · Protection relay circuitry to prevent noise when powering on. · Extremely portable format with carry handle and protective corners. · Master reverb level control. Samson Technologies Corp. , P. O. The amplifier shall deliver maximum power equal to or greater than 150 W into 4 ohms, signal-to-noise equal to or greater than 95 dB, THD less than 0. 1% and frequency response of ±3 dB from 20 Hz to 50 kHz. The mixer shall have residual noise of 70 dBu, signal-to-noise equal to or greater than 70 dB and THD less than 0. 03%. Dimensions shall be 19 (480 mm) wide, 9 (230 mm) deep and 3. 5 (88 mm; 2 rack spaces) high. The mixer amplifier shall be a AUDIO RESEARCH SP9. SP9 SPECIFICATIONS MIXER/PREAMP SECTION Total harmonic distortion (with 30 kHz LPF): Mic in to preamp out: Line in to preamp out: Aux return to preamp out: Signal to noise ratio (with 30 kHz LPF, unity gain): Mic input (-50 dBu): Line input (-10 dBu): Maximum voltage gain (1 kHz): Mic in to preamp out: Line in to preamp out: Tape in to preamp out: Aux return to preamp out: Residual noise (with 30 kHz LPF, VR min): Preamp out: Tone controls: High (10 kHz): Low (100 Hz): Graphic equalizer (30, 120, 480 Hz, 2, 8 kHz): Peak LED: Tape input sensitivity (-10 dB): Crosstalk (1 kHz, EQ flat): Ch vs. [. . . ] output: POWER AMP SECTION Rated output power (1 kHz): Total harmonic distortion (with 30 kHz LPF): Signal to noise ratio (with 30 kHz LPF): Frequency response (±3 dB): Maximum voltage gain (1 kHz): Residual noise (VR min): Idle current (across the 0. 47 emitter resistor): DC offset voltage: GENERAL Dimensions: Weight: Power requirements: Power consumption (1/8 power): < 0. 05% < 0. 03% < 0. 03% 67 dB 70 dB 54 dB 24 dB 24 dB 10 dB 70 dBu ± 15 dB ± 15 dB ± 15 dB 3 dB before clipping 300 mV 76 dB 78 dB 150 W into 4 < 0. 1% 95 dB 20 Hz - 50 kHz 36 dB 70 dB typical < 20 mA 0 ± 50 mV 19 (w) x 9 (d) x 3. 5 (h) 480 mm (w) x 230 mm (d) x 88 mm (h) 17. 6 lb. [. . . ]