Bartolini HR-5.2AP Pre-Wired 3 Band EQ Active/Passive Vol, blend, treble, bass, push/pull mid The Bartolini HR-5.2AP Pre-Wired 3 Band EQ Active/Passive Vol, blend, treble, bass, push/pull mid. A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature our industry leading pre-amps and premium audio-quality potentiometers with smooth control and ready for years of rugged use. The HR-5.2AP/918 uses a 3-band EQ and pre-amp. Two holes for Volume control: Volume (with Active/Passive push-pull switch) – Blend. Three holes for Tone control: Treble – Mid (w. 2 freq push-pull) – Bass. Volume (with Active/Passive push-pull switch) – Blend Treble – Mid (w. 2 freq push-pull) -Bass Includes: 2nd battery clip (18V option), wiring instructions.
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