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Product introduction


CP540V2 is a one channel microphone signal compressor and limiter. Both the compression and limiter electronics circuits are completely independent and can be used separately or together via the illuminated buttons that corresponds to each side. It is not only compression input signal but also limit the output level. When its output level reaches a specific number, its limited circuit will keep the same output level. Compression combines with limited function solve the distortion in a way. Its diversity knob in front panel enhances performance speed.




  • Mic compressor combines mic limiter
  • The circuit adopts high quality component ensures low distortion and purity sound quality
  • Its shell adopts dust-free spraying processing makes product concise and better adhere
  • The chassis is made from high quality steel to provide extra shielding against stray magnetic and RF
  • High pass filter let high frequency pas and cut some low frequency
  • Features THRESHOD, RATIO, ATTACK, RELEASE knobs to get and outstanding sound qulity


Frequency response:20hz-20khz
* Noise:<-80dBu
* Max output level:20dBu
* Distortion: <0.5%@1khz, +4dBu
* Compressor threshold:-20dBu to +10dBu
* Ratio:1.5:1 to 6:1 with 5 position switch
* Attack:0.5ms to 50ms with 8 position switch
* Release:25ms, 50 ms, 100 ms, 400 ms, 800 ms, 1.5s, auto1 and auto2
* Limited threshold:1dB to +16dB
* Release:25ms, 50 ms, 100 ms, 400 ms, 800 ms, 1.5s, auto1 and auto2
* Input impedance:50kohm balanced
* Output impedance: 200ohm balanced

Alctron CP540V2 Compressor & limiter

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