CP91
Full function complex crossover
Class-AB Hi-Fi 4-Ch Amplifier
CP91 is a hi-fi 4-ch amplifier with Full function complex crossover. this amplifier is consist of series hi-fi components such as audio special SMT E-caps, high accurate resistors and capacitors, hi-fi audio opamps and hi-fi power transistors.
Functions
4X90Wrms Class-AB amplifier.
Full function complex crossover.
2 ohm load stable.
Double Side PCB and SMD components.
High-level input.
Advanced short circuit, overload, over heat protection.
2-channel mode switch available.
Test Report
RMS output power @ 4ohm with THD+N
RMS output power @ 2ohm with THD+N
Bridged RMS power @4ohm with THD+N
Frequency Response (?-3dB frequency response: 20Hz~55KHz)
Ch-A and Ch-B subsonic all adjustable from 20Hz~140Hz
Ch-A LPF feature.
Ch-A LPF frequency can be adjusted from 50~320Hz or 900Hz~6KHz, can be switched with a ¡°Freq 1x / 20x¡± switch.
Ch-A LPF with 1X frequency
Ch-A LPF with 20X frequency
Ch-B HPF frequency can be adjusted from 1KHz~6KHz.
CP91 Specifications
4 Ohm @14.4V RMS Power THD+N <0. 1%
90W ¡Á 4CH
2 Ohm @14.4V RMS Power THD+N < 0.1%
1350W ¡Á 4CH
4 Ohm @14.4V Bridged RMS Power
230W ¡Á 2CH
HPF Frequency
50~500Hz Adjustable
LPF Frequency
50~500Hz Adjustable
Frequency response
10Hz~25kHz
Channel separation
>89dB
Input Level
0.2V-5V
Buffered RCA output terminals
A Channel
Operating voltage
DC10V-16V
protection
Short circuit, Over-voltage, Reverse polarity, Thermal
High-grade Nickel-plated, heavy duty terminal block type connectors
