TubeTech EQ-1A Mono Tube EQ Full Range

unit, featuring low & high cut, low & high shelving and three overlapping bands. 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.

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