Onboard Effects, EXP - Expand to Peak Controller
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Active Circuit Onboard Effects

EQ-EXP Tone Expander
Tone Shaper Expand to Peak Controller for Tone Control
Expansion Unit for Guitar or Bass

Gain unique tri-function features from this tone control unit designed to expand your playing options. Triple benefits include a frequency expander, mid-band peak control as well as improved sustain and boost of harmonics without changing your EQ (flat boost). This EXP unit can also provide bass/middle/treble equalizing for stable frequency characteristics. You can use this unit by itself or with other effects on the same battery.

From full mid-range or accentuated high and low frequencies, this on-board tone shaper can help you achieve the sound you’re looking for in your playing. The EXP pairs well with any genre or playing style requiring the performance obtained by utilizing one of these expansion units.

From 0 – 10, you’ll get a range of possibilities not typically possible without the help of this unit.
*In Position 0, you’ll have a richer, heftier sound by reducing highs and lows while boosting mid-range gain. This allows for a thicker humbucker sound, even from your single coil pickup.
*In Position 5, add sustain and boost your harmonics without changing your EQ (flat boost).
*In Position 10, you’ll get a clearer, brighter, more distinct tone from expanding your frequency range. This is great for power bass and treble.

This on board effect active circuit control for passive or active pickups replaces one of your existing tone pots. It uses a small (dime sized / mini pot), long-shaft, body mount, push-pull on-off engagement control pot. It features a split shaft that will work with most coarse knurled, 18-spline style knobs. This pot style allows you to bypass the unit by pulling up on the knob. An optional add-on Stereo Style Jack can be wired to break your circuit, disconnecting your battery signal thus helping reduce drainage and improve battery life. Be sure to check out this product’s details and dimensions prior to purchase to check for compatibility with your set-up.

If you are going through a guard, you may need additional nuts or lock washers (sold separately). If needed, simply use the drop-down selection box to add extra nuts and washers. Of course, your set-up may be different. Be sure to check your requirements in relation to the measurements provided for this item. Ask any fit or compatibility questions prior to purchase.

*Operational Stability
*Tone Shaping
*Constant Overall Gain
*Split Shaft for Compression Fit Knob (non-threaded)
*Requires 9V Battery Power (Sold Separately)
*Mounting Hardware Included

*Pot Shaft Dimensions: 18mm (length)
*Overall Pot Dimensions: 16.5mm (diameter) & 45mm (height)
*Threaded Bushing Height: 18mm
*Required Hole Diameter: 10mm
*Mounting Nut Diameter: 9mm (inner) & 11mm (outer)
*Mounting Nut Depth: 2mm
*Washer Diameter: 9mm (inner) & 12mm (outer)
*Cavity Depth Required: 30mm
*Battery Lead Wire Length: 150mm
Measurements provided are approximations; variability is to be expected. Ask any questions prior to purchase.

*1 Onboard Effect Unit
*1 Battery Clip/Lead
Nothing else is included. NO INSTRUCTIONS OR DIAGRAMS INCLUDED. Additional images may be provided for reference and comparison purposes only.

Please check your instrument and set-up needs carefully to see if this item will work for you.
Buyers assume all risk of use; sales are only offered to those competent to safely and lawfully purchase and use items.
ASK ANY QUESTIONS PRIOR TO PURCHASE. Instructions for installation are NOT INCLUDED or provided.
Inspect your order upon receipt; we pledge to address any issues PRIOR to installation.

  • Item #: 32001

Active Circuit Onboard Effects, EXP ~ Expand to Peak Controller

Price: $27.95
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