Description
Rewiring a bass control cavity from scratch eats up an afternoon and a lot of patience. Bartolini’s HR5.3AP/918 prewired harness hands you the whole job already done: pro-grade pots, a 3-band EQ, and their trusted active preamp circuit, ready to mount and play. It’s built for players who want studio-grade tone shaping without the trial-and-error of hand-soldering pots to a preamp board.
What sets this harness apart is the flexibility built into the control layout. Two volume holes give you independent Volume-Volume control, with an Active/Passive push-pull switch tucked into the second Volume knob — so you can run full active EQ for gigs that need punch and clarity, or pull it passive for a rawer, more vintage low-end feel when the song calls for it. On the tone side, four holes handle Treble, Mid (with a 3-frequency toggle switch for dialing in exactly where your mids sit), and Bass, giving you real control over where your low end lives in the mix rather than just a generic boost/cut.
Power flexibility matters too — this circuit runs on 9V or 18V, and Bartolini includes a second battery clip so you can wire up the 18V option for extra headroom and dynamic range when you need it.
- 3-band EQ with active preamp
- Volume-Volume layout with Active/Passive push-pull switch on 2nd Volume knob
- Treble-Mid (+3 freq toggle)-Bass tone controls
- Runs on 9V or 18V
- Includes 2nd battery clip for 18V wiring and wiring instructions
- 100% USA-built by Bartolini in San Luis Obispo, CA
Pro Audio Land has been an authorized Bartolini dealer for years, so you’re getting the genuine harness bassists trust for reliable tone control night after night.
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