Description
Skip the wiring headaches and get straight to tone-shaping: the Bartolini HR3.3/918 is a complete, pre-assembled harness built around Bartolini’s 918 preamp circuit. Every pot, pre-amp connection, and control layout is already sorted for you, so installing it in your bass is a matter of mounting and connecting rather than untangling a rat’s nest of wires.
At the core is a 2-band EQ preamp switchable between 9V and 18V operation, giving you headroom and clarity that scale with your power supply. The control layout is straightforward and player-focused: two holes handle Volume and Blend, while a single stacked Treble/Bass pot covers your tone shaping in one compact footprint. It’s a layout designed for players who want quick, intuitive adjustments on the fly without a crowded control cavity.
Bartolini has been the benchmark for bass electronics for decades, hand-building everything in San Luis Obispo, California, and supplying top luthiers and repair shops worldwide. This harness carries that same reputation for reliability, using premium audio-quality potentiometers rated for years of stage and studio use.
- 2-band EQ preamp (9V/18V switchable)
- Volume and Blend controls (2 pot holes)
- Stacked Treble/Bass tone control (1 pot hole)
- Includes second battery clip for 18V operation and wiring instructions
- 100% USA-made by Bartolini
Whether you’re upgrading a tired preamp or building out a new bass, this harness gets you Bartolini’s celebrated tone with far less bench time.
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