Tech 21 Cs-Vtb-Di Bass Di Pedal Bass Preamps

TECH 21 CS-VTB-DI Bass DI Pedal


  • $349.99


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TECH 21 CS-VTB-DI Bass DI Pedal

Get vintage Ampeg-style bass amp tones without hauling a huge rig to your gig with Tech 21's VT Bass DI Pedal. The VT Bass DI is part of Tech 21's Character series of pedals which emulate famous tones from vintage and modern gear. Using the "Character" knob on the front panel of the VT Bass DI evokes simulated Ampeg-style tones which combine with the drive and EQ sections to create a convincing palette of clean and distorted sounds, from a classic flip-top combo to a massive SVT. For additional realism, speaker cabinet simulation can be switched in; great for going direct to a live mixing board or studio recording console. The VT Bass DI is tuned to match the smooth sound of a cabinet loaded with 10" American-style bass speakers with multiple mics. Use the EQ controls to shape the sound you desire.

Having multiple outputs allows for mixing and matching signal chain options. For example, on a live stage, you can send a balanced DI signal to the mixing board or a recording console while using the low-Z or parallel 1/4" outputs to route the signal back to your amp for real-time monitoring. Low-Z outputs can drive long cable lengths without signal deterioration, ensuring your bass signal arrives without attenuated high frequencies or excess noise.


  • Drive: Adjusts the overall amount of gain and overdrive, similar to when the output section of a tube amp is being pushed
  • Character: Sweeps through an entire range of tonal possibilities associated with Ampeg-style amplifiers. In addition to modifying the frequency response, the Character control also influences the attack and drive characteristics
  • Settings below 12 o'clock can generate the powerful sound of a vintage '70s SVT
  • Settings around 12 o'clock inspire the sound of the studio classic flip-top combo
  • Settings above 12 o'clock will increase the gain and add crunch for modern and indie rock, and other overdriven bass sounds
  • With the Character control set at maximum, the pedal evokes distorted bass tones reminiscent of progressive rock groups like Yes, King Crimson, and King's X
  • Mid, Low, and High: Unlike passive controls that only cut, these active tone controls cut or boost ±12 dB from unity gain (12 o'clock). Mid is 500 Hz, Low is 125 Hz, and High is 3.2 kHz
  • Blend: Allows you to blend the direct instrument signal with SansAmp Tube Amplifier Emulation circuitry

    "Bite" Switch When engaged, Bite activates a presence boost and subsonic filter which tightens up the sound in distorted settings and adds definition to your notes when playing in clean settings

    Speaker Simulation The VT Bass DI is tuned to match 10" American-style bass speakers. It is designed for a smooth, even response as would be achieved by a multi-miked cabinet, without the peaks, valleys, and notches associated with single-miking techniques. The speaker simulation works in tandem with the EQ controls to custom tailor the overall sound. If desired, the speaker simulation can be defeated by disengaging the speaker switch on the front panel


  • Drive and DI Pedal for Bass Guitar
  • Functions as Preamp, Stompbox or DI Box
  • 100% Analog Circuitry
  • Emulates Ampeg-Style Bass Amplifiers
  • Simultaneous 1/4" and XLR Outputs
  • Switchable Speaker Cabinet Emulation
  • Power via 9V Battery or DC Adapter
  • 48V Phantom Power Compatible
  • Low-Z Outputs for Long Cable Runs
  • Made in USA


  • Input: Instrument: 1 x 1/4" (6.3 mm) TS, 1 MOhm
  • Output: Parallel: 1 x 1/4" (6.3 mm), 1 MOhm
  • Balanced: 1 x XLR low-Z
  • Unbalanced: 1 x 1/4" (6.3 mm) low-Z
  • Power: 9 VDC @ 100 mA via 9 V battery/DC power supply
  • 24/48 V phantom power via XLR (48 V required to power the LED status light)
  • Package Weight: 1.2 lb
  • Box Dimensions (LxWxH): 5.6 x 4.7 x 2.3"

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