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RU-ADA4D 音频分配放大器
● 四通道立体声输出分配放大器
● 八通道单声道输出分配放大器
● 前面板输入电平微调
● 每路输入双 LED-VU 电平表
● 前面板输出电平微调
● 后面板的可拆卸接线端子输入输出
● 最苛刻应用程序的特殊音频质量
● 推荐电源 : PS24AX

 

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Inputs (2):
Stereo (A/left and B/right) on detachable terminal block
Input Impedance:
20 kΩ balanced or 10 kΩ unbalanced
Input Level:
+4 dBu balanced (nominal), +25 dBu maximum; -10 dBV unbalanced
Input Gain Adjustments (2):
-5 dB to +15 dB (rel. +4 dBu balanced); -3 dB to +17 dB (rel. -10 dBV unbalanced)
Input Metering (2):
Dual-LED VU Meter for Input A and Input B
Mono mode:
Rear-panel switch-selectable (input A feeds all 8 outputs)
Outputs (8):
Stereo, A (4), B (4) on detachable terminal blocks
Output Impedance:
150 Ω balanced; 75 Ω unbalanced
Output Level:
+4 dBu balanced (nominal), +24 dBu maximum; -10 dBV unbalanced
Output Level Adjustments (8):
-9 dB to +6 dB (rel. +4 dBu, balanced); -3 dB to + 12 dBu (rel. -10 dBV, unbalanced)
Frequency Response:
10 Hz to 165 kHz (+/- 0.25 dB); 10 Hz to 35 kHz (+/- 0.01 dB)
THD+N : < 0.0025% (20 Hz to 20 kHz)
Headroom : > 20 dB (above +4 dBu input or output)
Noise : < -92 dB (below +4 dBu output, 20 Hz to 20 kHz)
Crosstalk :
-90 dB (20 Hz to 5 kHz); <-80 dB (5 kHz to 20 kHz)
CMRR : > 90 dB (100 Hz)
Power Requirement :
GROUND REFERENCED, 24 Vdc @ 82 mA (idle, nominal), 120 mA (max.)
Case dims : 14.6 cmW x 4.18 cmH x 9.0 cmD; 9.9 cmD with connectors
Shipping Weight : 0.63 kg
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