purchase options:

Dimensions

Manual

PRICES:

TM-1 Basic-set >  Input, Volume, Bass, Treble: 118EUR

TM-1 Mid-set >  Input, Volume, Bass, Treble, Passive TONE/Middle: 137EUR
TM-1 Full-set > Input, Volume, Bass,Treble, Passive TONE/Middle, Punch: 147EUR

TM-2 Basic-set > Volume, Blend, Bass, Treble: 126EUR

TM-2 Mid-set > Volume, Blend, Bass, Treble, Passive TONE/Middle : 144EUR
TM-2 Full-set > Volume, Blend, Bass, Treble, Passive TONE/Middle, Punch: 154EUR

Taurus TM On Board preamps are designed for installation in a bass guitar. It is the modular design for easy configuration of controllers. The Integral version uses push-pull potentiometers that operate two functions with one knob, saving space for mounting a preamp in the guitar.
Installation is very simple, it only requires soldering the pickups and power supply. The modules are connected to each other with a flat cable with connectors, which is included to the set. Two bass pre-amp models are available. The TM-2 Integral used for two pick-ups basses and the TM-1 Integral used for basses with one pick-up only. The pre-amps are identical except for the input modules.

The pre-amp contains three main modules VOLUME, BLEND, BASS /TREBLE with dual push-pull potentiometer. 
Two optional modules: Passive TONE/MIDDLE and  PUNCH can be use in any possible configuration or not at all. 
The modules (Pre-amp and optional) are designed to be easily joined together by the flat  connecting wire (No soldering required). The sequence of connected modules is unrestricted.

The Taurus pre-amps can be powered ether by one or two 9V batteries. The two battery option (18V) is recommended for greatest dynamic range.

On board pre-amps could work on low battery power (3-4V) but would compromise sound quality by its loss of dynamic and consequently, distortion. To prevent this, Taurus pre-amps are built with a Low Battery LED Power Indicator, signaling replacement time.

Taurus recommends installing the LED indicator on the back cover plate of the instrument, eliminating the need for additional connections and adapters. Simply secure the LED (3mm diameter) in the designated opening of the back cover.
 

The preamp can operate in two modes, passive and active. All controls work in active mode, and VOLUME, BLEND, Passive TONE controls work in passive mode. The operating mode switch is integrated with the VOLUME potentiometer.

In general, the preamps in TM and TM-Integral versions are the same. The sound is the same. The difference is the use of push-pull potentiometers for tone control in the Integral version. This version is also equipped with passive tone control.

TM Integral Onboard bass preamps

Modular design

• VOLUME control

• Pickups BLEND control

• BASS control: 40Hz +/-10dB @MLO 550Hz -/+5dB 
  it is possible to change it to 80Hz by bridge on PCB

• TREBLE control:  8kHz +12dB/-14dB

• MIDDLE control: 2kHz +8dB,  800Hz -8dB

• Passive Tone control in passive mode

• PUNCH tone with triple micro-switch:
  Punch Low: 300Hz +7dB
  Punch High: 600Hz +7dB

• ACTIVE/PASSIVE mode switch integrated with the VOLUME pot.

• Subsonic low-pass filter

• Low battery indicator

• 9V or 18V supply
  Current supply consumption:

• 2,7mA @ 9V main configuration

• 3,1mA @ 9V maximum configuration

• The operating time on a 500mAh alkaline battery is approx. 160-hours.
   

CONFIGURATION   (TM1 for 1-pickup / TM2 for 2-pickups)

TM1 INT.-BASIC set: VOLUME, BASS, TREBLE. 

TM1 INT.-MID set: VOLUME, BASS, TREBLE,Passive TONE/MIDDLE. 
TM1 INT.-FULL set: VOLUME, BASS, TREBLE, Passive TONE/MIDDLE, PUNCH,

TM2 INT.-BASSIC set: VOLUME BLEND, BASS, TREBLE.

TM2 INT.-MID set: VOLUME, BLEND,BASS, TREBLE,Passive TONE/MIDDLE

TM2 INT-full set: VOLUME, BLEND, BASS, TREBLE, Passive TONE/MIDDLE, PUNCH,

Taurus Custom

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Designed by musicians for musicians