Detail 01
Volume, blend, and treble/bass stack
The three-pot layout combines bass and treble in one stacked control.
Product detailSKU #1412606574147
BartoliniHR-3.3AP/918 2-Band NTBT Preamp, 3 Pots
Independent shopping perspective
The Korena take
The HR-3.3AP/918 is an active/passive Bartolini NTBT preamp harness arranged around three pots: volume, blend, and a stacked treble/bass control. It offers independent bass and treble adjustment with a clear, transparent, strong voice and a wide boost/cut range. The harness comes pre-wired, pre-tested, and pre-soldered, so the preamp, pots, and switches arrive assembled for instrument installation. Battery clips and an output jack are included.
Strong match
Who this is for
- Instrument electronics installations needing volume, blend, and stacked bass/treble controls in a three-pot arrangement
- Players who want active/passive operation with separately adjustable bass and treble response
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Active/passive version
This HR-3.3AP/918 model is designated for active/passive operation.
Detail 03
Pre-wired, pre-tested harness
The electronics are assembled and tested before installation.
Final check
Know before you order
- 01The grounded pots include a wire that may be connected to cavity shielding or cut away if it is not needed.
- 02A ring knob and center knob are included for the stacked control.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Which controls are included in this three-pot layout?
Volume, blend, and a stacked treble/bass control.
02Does it include installation components?
Yes. Battery clips and an output jack are included, and the harness is pre-wired and pre-tested.
03Are knobs included?
The stacked control includes its ring and center knobs.
