Description
If you’ve ever wired a preamp into a bass cavity while lying on your back with a soldering iron burning your knuckles, you already know why this harness exists. Bartolini built the HR-2.5AP/918 to skip that whole ordeal — it’s a complete, pre-wired 3-band EQ and preamp assembly ready to drop straight into your control cavity, so you spend your time playing instead of chasing cold joints.
The layout is straightforward for a working bassist: one control hole handles Volume, and it doubles as your Active/Passive switch via a pull-up pot — meaning if your battery dies mid-set, you pull a knob and keep playing passive instead of walking off stage. Three more holes cover your tone shaping: Treble, Bass, and a Mid control with a push-pull for switching between two frequency centers, letting you dial in a scooped, vintage-leaning growl or a more aggressive modern midrange bark depending on the room and the song.
This is genuine Bartolini gear — built entirely in San Luis Obispo, California, using audio-grade potentiometers that feel smooth under your fingers and hold up to years of load-in, load-out abuse. Bartolini’s reputation with luthiers and repair techs worldwide isn’t marketing fluff; it’s earned from decades of gear that keeps working after the warranty’s long forgotten.
- 3-band EQ preamp: Treble, Mid (2-frequency push-pull), Bass
- Volume control with push-pull Active/Passive switching
- Runs on 9V or 18V power
- Includes a second battery clip for the 18V setup and full wiring instructions
- 100% USA-made, premium audio-quality pots
Pro Audio Land has carried Bartolini for years as an authorized dealer, so you’re getting the real thing, ready to wire in and forget about.
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