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Bộ tiền khuếch đại
Preamplifier RH2811P Functional Description： The PA Pre Amplifier supports power amplifiers to work,features muting function, that MIC1 overrides MIC2,MIC3,AUX1,AUX2 with 0~30dB dB attenuation. ※ 2U aluminium panel. ※ Built-in chime music. ※ 5 MIC inputs,3 AUX inputs,2 EMC input,2 AUX outputs. ※ Individual volume controller for MIC & AUX inputs. ※ MASTER volume controller ,BASS and TREBLE tone controller. ※ EMC1,2 have priority over all inputs except MIC1. Technical parameters： | Model | RH2811P | | MIC Input | MIC 1,2,3,4,5: 18mV/600 ohms, Unbalanced | | AUX Input | AUX 1,2,3: 200mV/10k ohms, Unbalanced | | EMC Input | EMC 1,2: 1.5V/10k ohms, Unbalanced | | Tone | BASS:±10dB at 100Hz,TREBLE:±10dB at 10KHz | | Frequency Response | 20Hz - 20KHz | | S/N Ratio | MIC 1,2: 70dB; AUX 1,2,3: 80dB | | THD | Less than 0.1% | | Muting Function | MIC 1 overrides other input signals with 0-30 dB attenuation,EMC1,2 overrides all inputs except MIC1 | | LED Indicators | POWER | | Protection | AC fuse | | Power Requirements | 110/220V±10%,50/60Hz | | Power Consumption | 50W | | Dimensions (W×D×H) | 483(W)×366(D)×89(H)mm | | Weight | 7.5Kg |
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