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TUBE-TECH Equalizers


Various EQ1AM Users

CAPITOL STUDIOS, LA

Robert Vosgien

 

 

SKYWALK MASTERING, Germany

 


 
 

EQ1A M Downloads

EQ 1AM Parametric Mastering Equalizer

EQ1AM Technical Description

The TUBE-TECH EQ 1AM 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.

The EQ 1AM is fitted with rotary switches instead of pots for even more precise recall of settings.

This enables very precise recall for mastering use.

 

 



EQ1AM Mastering EQ Technical Features

TUBE-TECH EQ1AM is the mastering version of EQ1A featuring gold plated switches for all controls

 

  • 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
  • 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

 




 

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