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Durability and Reliability is a Hallmark of CAH Products.

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EQ-3130/3130L is a dual channel 31 band 1/3 octave graphic equalizer designed to meet the demand of high performance and functionality professional audio applications. It offers Constant Q curve and up to 12 dB of cut or boost per band with a switchable low cut filter for each channel. Electronic switching of these functions minimizes switching transients (loud pops or clicks when the switch is depressed), and up to ±12 dB of level control is available to compensate for gain changes due to equalization. Combining reliability and professional quality with economic cost, EQ-3130/3130L is your best choice for signal equalization…
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PA-601 is a stereo 2-Way or Mono 3-Way crossover designed for both live sound and permanent installations to dramatically improve the efficient and sonic purity of the overall system. This design gives you professional features such as the 24dB Linkwitz-Riley state variable filters, balanced / unbalanced 1/4" TRS inputs and outputs, and varying crossover frequency from 45 - 960Hz to 450 - 9.6kHz. AP-601 offers excellent features and performance for professional audio applications that require the use of frequency crossovers. Features: • 19" EIA Standard Rack-mount • 24dB Linkwitz-Riley State Variable Filters • Low Frequency Summed Output • Phase Invert…
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The PA-602 is a two-channel Compressor Limiter / Expander / Gate offering complete control over every aspect of dynamic processing and provides for smooth, transparent soft-knee compression available to achieve quality compression, gating and downward expansion quickly and easily. Selectable operating level (+4dBu or -10dBV), XLR and 1/4" TRS connectors can be used in any applications. This is your indispensable tool for ultimate protection and clean, consistent audio with virtually no loss in signal quality. Features: • 19" EIA Standard Rack-mount • Independent Dual Compressor / Expander / Gate with Separate Threshold Controls • Select-able Operation Level (+4dBu or -10dBv)…
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The PA-603 is a professional audio enhancer and noise gating system. It takes a new and innovative approach to restoring detail to instruments, vocals and mixed program material on stage or in the studio. The HF detail circuitry in the AP-603 uses a dynamic shelving equalizer to enhance the clarity of high frequency, while LF detail circuitry adds punch and definition at the lower end of the spectrum. The noise gate is used to mute an audio signal once it falls beneath a set level for controlling background noise. This unit can be used whenever professional sound improvement is required.…