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TAISTO EQs for Bass Guitar

Our portfolio includes two equalizer products specifically designed for bass guitars.

We offer a 2-band equalizer, designated as TAISTO B-2EQ1, and a 3-band equalizer, designated as TAISTO B-3EQ1. These products allow you to upgrade your bass guitar to an active system.


The equalizer devices are securely packaged within a square block and include potentiometers, a battery connector, and a user manual with installation examples.

They can be installed within the bass guitar, requiring a space of 42x56x25mm for the block. And we use these units also in our own bass guitars.


EQs for bass guitar - 2EQ1 and 3EQ1 products
EQs for bass guitar - 2EQ1 and 3EQ1 products

The image below shows a sample wiring diagram for the 3 band EQ unit B-3EQ1.

As depicted in the picture, the EQ units also accommodate the use of a boost switch if necessary. However, it can also be configured in a fixed mode.


Example schematic for B-3EQ1 use in bass guitar
Example schematic for TAISTO B-3EQ1 use in bass guitar

Short specification

  • Supports volume gain boost

  • B-3EQ - bass, middle and treble boost/cut

  • B-2EQ - bass, treble boost/cut

  • Normal or optional center detent potentiometers

  • Very long of playing time in daily active use

  • Current need in range 0.7 - 1.4 mA, 9V battery

  • Stereo jack for power switching

  • Size 42x56x12.5mm

  • Protected for wrong power supply polarity

  • Reliable with strong casing for electronics

Basic Kit includes

  • EQ unit

  • Potentiometers: 3pcs (B-3EQ1) 2pcs (B-2EQ1)

  • 9V battery

  • Battery holder clip

  • Stereo jack

  • Double sided tape piece

  • Shrinking tube for battery connection isolation

  • Installation and wiring guide

Add on options available (Ask from us)

  • Volume potentiometers with accessories

  • Guitar style potentiometers with accessories for volume, bass and treble

  • Center detent potentiometers

  • Dome knobs, normal and small size

  • DPDT switches for pickup switching and bypass


TAISTO B-2EQ1 unit in ebony wood case 





Sleek CREO 6MS-HL custom guitar in yellow-gold color
TAISTO B-2EQ1 unit in ebony wood case

In the picture below - 3 band eq B-3EQ1 installed to this TAISTO iZEN 5-string headless bass guitar. 3 smaller knobs are for the eq bass, middle and treble control.



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Taisto Guitars CREO series guitars family picture including 7-, 6- and 8-string versions


Taisto Guitars FIRENZA-GT custom guitar body backside





Taisto Guitars AROK-BG Bigsby sulfur yellow custom guitar
TAISTO iZEN 5MS-HL headless bass with 3EQ1 active electronics


More info:




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