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CIAudio PEQ-1 MKII Quick Start Manual
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CIAudio PEQ-1 MKII Quick Start Manual

Dual mono mm/mc phono preamplifier
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PEQ1 MKII Dual Mono MM/MC Phono Preamplifier
Thank you for purchasing the PEQ1 MKII Phono Preamplifier.
Please read the Configuration section of this document before installing into your playback system.
The PEQ1 is a versatile design offering outstanding performance with a wide variety of phono cartridge
types. Key features include:
Ultra-Low noise
Ultra-Low harmonic & intermodulation distortion (THD/IMD)
Dual-Mono Design for low crosstalk
Heavy steel faraday cage for high resistance to electromagnetic and radio frequency
interference.
Rear panel DIP switches for convenient configuration & adjustment
handcrafted in USA

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Summary of Contents for CIAudio PEQ-1 MKII

  • Page 1 PEQ1 MKII Dual Mono MM/MC Phono Preamplifier Thank you for purchasing the PEQ1 MKII Phono Preamplifier. Please read the Configuration section of this document before installing into your playback system. The PEQ1 is a versatile design offering outstanding performance with a wide variety of phono cartridge types.

  • Page 2: Product Design

    Product Design Power The internal design of PEQ1 starts with a dual AC input (one for each channel). When the outboard power supply is connected, the AC is fed to two independent filter/regulation circuits (1 per channel). These circuits feed the L & R audio stages with ultra-low noise on par with the best battery technologies, and without the inconvenience.
  • Page 3 Switch 6 ↑ is 60dB Switch 6 ↓ is 45dB Custom gain options are available at a nominal fee. Contact CIAudio for details.  Subsonic Filter (switch 7) The subsonic filter can be used to reduce unwanted speaker cone movement due to record warp, etc.
  • Page 4  Examples Moving Magnet Moving Coil 47KΩ270pf45dB gainsubsonic ON 100Ω60dB gainsubsonic OFF Connection After configuring the DIP switches, you’re ready to connect PEQ1 to your playback system. First connect adequate cables from your turntable to the L & R input jacks of PEQ1 (lower jacks). Next connect a pair of cables from the PEQ1 L &...

  • Page 5: Performance Specifications

    * Selectable 120/240V AC Input Voltage * 2 x 14V AC Filtered Output Voltage Warranty Your CIAudio Product is covered by our 5 year Parts & Labor Warranty. To obtain service, contact your dealer, distributor, or our factory. Channel Islands Audio 567 W.