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Pre Amplifier RS-3001PRE

Overview
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Descriptions

* High grade aluminum 2U black oxidation drawing panel, beautiful and generous;
* 10 bit led level dynamic indication;
* With bell / siren output and priority function;
* 10 input channels (5 microphones, 3 lines and 2 emergency channels);
* The volume of each input channel can be adjusted independently;
* With total volume adjustment, independent adjustment of treble and bass;
* It has the function of silent sound, and automatically silent to – 30dB;
* It has four AV output interfaces and can connect four pure post stage power amplifiers;
* It has 1-way squelch mode switch, which can turn on or off the squelch mode as needed;
* It has 1-way signal grounding and floating switch, which can be selected according to on-site debugging;
* The audio output has three kinds of (0.75V / 1V / 1.5V) gain selection switches, and the factory default output is 0.75V;
* Dual power supply of DC24 V and AC100 ~ 240 V is adopted, and DC24 DC power supply is automatically switched when there is no mains power input;

Item NO.	RS-3001PRE
Mic	600 ohms (Ω)5mv, unbalanced
Emergency input (EMC)	10K ohms (Ω)200mV, unbalanced
Line input (aux)	10K ohms (Ω)200mV, unbalanced
Line output	10K ohms (Ω) 775v (0 dB), unbalanced
Frequency response	60Hz ~ 15KHz ( ± 3dB)
Nonlinear distortion	thd < 0.01% at 1kHz
S / N	> 70 dB
Tone adjustment range	100Hz　( ± 10dB) , TREBLE:12kHz( ± 10dB)
Silence suppression ability	when mic1 is input, MIC2 ~ mic5, emc1 ~ EMC2, AUX1 ~ aux3 signal attenuation is 0 ~ 30 dB; when emc1 ~ EMC2 is input, MIC2 ~ mic5, AUX1 ~ aux3 signal attenuation is 0 ~ 30 dB
Power supply	AC220V ± 10% 50-60Hz
Power consumption	10 ~ 15W
Machine size	89 (H) × 483(W) × 350(D) mm
Net weight	5.96kg