Output power (load 4Ω): SPM-81000: 350W×2 (RMS); 500W×2 (EIAJ)
One stereo and one mono graphic EQ.
Digital effects with 100 presets.
PAD buttons for controlling loud input signals (only mono channel).
8 Balanced XLR combo inputs with 48 Volt phantom power (SPM-81000).
One tape input channel assignable to MAIN or to MONITOR.
Each channel has 3-band EQ, one monitor, one effect send, and one XLR input.
4 stereo channels with RCA inputs (SPM-81000).
RCA L/R tape in and L/R tape out.
Stereo PHONES and balanced MAIN outputs.
POWER AMP outputs with Stereo or Monitor/Main and Bridge mode.
Professional Switching Power Amplifiers
FEATURES：
Front panel LED indicators for protection, power, signal and clip.
Balanced input to ensure noiseless while long wiring.
Active distorted revision technology in order to reduce the ratio of resonance of cabinet in sub-frequency.
AA class audio control circuit can ensure high S/N ratio when the signal is weak.
Smart-designed protection system for overload, overheat, short circuit and it also provides a protection for the circuit when the center point is out of balance.
The symmetrical ultra-balanced input is used in amplifier circuit, it can enlarge the dynamic range.
Allow selection of Stereo, Bridge operation
Binding post and Neutrik Speakon connectors for output.
Rugged amplifier in a strong, compact chassist weight.
Brief Description: Balanced input:
High efficiency electronic balanced circuit is adopted in order to reduce external hum pick up from signal line.
Input mode switch:
This model is able to distribute the sound signal input to output at 1:10 or 2:5 by mono and stereo selector switch.
Level control and peak LED per channel:
Capable of adjusting each output volume and in case of excessive input LED lamp warns distortion status.
Balanced output and minimize the DC hum:
Sound output is possible whether or of the output unit polarity is grounded and the direct current noise is minimized a 15V power source motivates the operation of circuit.
Use of emergency battery (SAD-152 ONLY):
You can operate this model by using emergency battery for unexpected AC power failure. (Built in DC 24V terminal)
Key Features:
Balanced input:
High efficiency electronic balanced circuit is adopted in order to reduce external hum pick up from signal line.
Input mode switch:
This model is able to distribute the sound signal input to output at 1:10 or 2:5 by mono and stereo selector switch.
Level control and peak LED per channel:
Capable of adjusting each output volume and in case of excessive input LED lamp warns distortion status.
Balanced output and minimize the DC hum:
Sound output is possible whether or of the output unit polarity is grounded and the direct current noise is minimized a 15V power source motivates the operation of circuit.
Use of emergency battery (SAD-152 ONLY):
You can operate this model by using emergency battery for unexpected AC power failure. (Built in DC 24V terminal)
Specifications:
MODEL SAD-152
Power consumption 6W
Power supply AC 115V/ 230V 50Hz/ 60Hz, DC 24V
Input sensitivity/impedance 0.775V (0dBm)/ 15kΩ
XLR Jack Balanced
Output level/impedance 0.775V (0dBm)/ 60kΩ
XLR Jack Balanced
Frequency response Less than ?0.5dB (20Hz~20kHz)
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