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Tube-Tech

collapse expand iconDescription

The Tube-Tech ME 1B Midrange Equalizer contains a low frequency boost section for peaking, a mid frequency attenuation for dipping as well as a high frequency boost section for peaking. The filter section is of the the passive type followed by a tube based push-pull amplifier to restore the gain.

Input and output are balanced as well as fully floating. Input and output transformers come with a static screen between the primary and secondary wirings.
Tube-Tech ME 1B Midrange Equalizer

collapse expand iconFeatures

  • Passive equalizer
  • Tube based push-pull amplifier
  • 5 low frequency peaks: 0.2, 0.3, 0.5, 0.7 and 1 kHz (0 to +10 dB)
  • 11 mid frequency peaks: 0.2, 0.3, 0.5, 0.7, 1, 1.5, 2, 3, 4, 5 and 7 kHz (0 to -10 dB)
  • 5 high frequency peaks: 1.5, 2, 3, 4, 5 kHz (0 to +8 dB)
  • Frequency response @ -3 dB: 5 Hz to 40 kHz
  • Low noise: < -80 dB @ -10 dB gain
    No insertion loss
  • Clickless In/Out switch

collapse expand iconSpecs

  • Impedance Input: 600 ohm
  • Impedance Output: < 60 ohm
    Frequency response @ -3 dB: 5 Hz to 40 kHz
  • Distortion THD+N @ 40 Hz: 0 dBu < 0.15 %; +10 dBu: < 0.15 %
    Noise Rg=200 ohm: Unweighted < -80 dBu; CCIR-468-4 < -70 dBu
    CMRR @ 10 kHz: < -60 dB
    Max. input @ 1 % THD+N: > +21 dBu
  • Max. output @ 1 % THD+N: > +26 dBu
  • Gain (0 to 10 dB, 1 dB step): 0 dB
  • Tubes: ECC 82 1 pc, ECC 83 1 pc
  • Dimensions (H x W x D): 3.5" x 19.0" x 6.7" (88 mm x 483 mm x 205 mm)
  • Weight: 8.4 lbs (3.8 kg)
  • Power requirements @ 115 V/230 V, 50-60 Hz: 22 W