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Legacy Product


2 x 4-Band Vacuum Tube Parametric Equalizer

  • 4-band stereo parametric equalizer with hand-selected 12AX7 tubes
  • UTC
    - Ultra Tube Circuitry adds precise dosage of desired tube effect *
  • Parallel filter architecture ensures minimal phase shift
  • Precision state-variable filters with constant-Q characteristic
  • Switchable shelving filter functions remove unwanted frequencies
  • Each band can be bypassed and is fully adjustable from notch filter to broadband equalization
  • Broad frequency band overlapping allows extreme boost/attenuation
  • Relay-controlled hard bypass with auto bypass function in case of power failure
  • Servo-balanced inputs and outputs on gold-plated XLR and TRS connectors for highest signal integrity
  • Shielded toroidal power transformer for ultra low-noise performance
  • High-quality components and exceptionally rugged construction ensure long life
  • 3-Year Warranty Program*
  • Designed and engineered in Germany


Based on state-variable, constant-Q filters, the T1951 features four fully parametric stereo bands with center frequency, bandwidth and amplitude controls, plus the option to use the low- and high-frequency bands as shelving filters. In addition, you get 12AX7 tubes and our ULTRA-TUBE circuitry, enabling you to selectively add tube warmth to your EQ’d signal.