Tube Equalizers



EQ1A Downloads

Manual:

maneq1am-1.pdf

 

Specifications:

EQ 1A specs WEBsite 100211.pdf

 

Recall sheet: 

RE-EQ1A.pdf  

 

Hi res Pics:

 

Perspective:

EQ 1A.jpg

Front:

EQ1AFront.jpg


Sound Samples parametric EQ TUBE-TECH EQ1A

 


High End Parametric Tube EQ TUBE-TECH EQ1A........... Video


Full Scale Parametric Tube EQ EQ1A Controls and features

 

 


Tube Parametric EQ ....................................Product Description

The TUBE-TECH EQ 1A is a full range one channel unit, featuring low and high cut, low and high shelving as well as three overlapping bands of equalization.

The cut filters are designed around unity gain amplifiers and the shelving and the bell filters are designed around two tube operational amplifiers.

The unit is all tube based except for the power supply. Input and output have fully floating transformers. All DC voltages are stabilized, except the anode voltage for the output stage.

Optional Master Version available:
The EQ 1A Equalizer can be fitted with rotary switches instead of pots for even more precise settings.

 


Parametric EQ .................................................Product Features

  • Low cut at 6 frequencies: Slope 6 dB or 12 dB/octave
  • High cut at 6 frequencies: Slope 6 dB or 12 dB/octave
  • Band 1-3, bell type: 36 overlapping frequencies (12 per band), +/- 20 dB with variable bandwidth
  • Low shelving at 6 frequencies: +/- 15 dB
  • High shelving at 6 frequencies: +/- 15 dB
  • All switches gold plated
  • Conductive plastic potentiometers
  • Frequency response: 5 Hz to 60 kHz
  • Very low noise: < -85 dBU
  • Master bypass with clickless relay
  • All 7 sections fitted with separate in/out switch

  • EQ1A brochure / manual

 


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