AwTAC Channel Amplifier

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Wrap some smooth goodness around your music with this mic pre / EQ ready for your API 500 Lunchbox!

The AwTAC Awesome Channel is:

  • A Double Wide 500 Module
  • A Mic Pre
  • A Line Level Amplifier
  • A Three Band EQ
  • A Direct Box
  • A Mixer

The Awesome Channel Amp has an LCR switch: The Awesome Channel Amp has an LCR passive mix buss (left – center- right selectable just like most consoles had up to the late 60′s, no pan pot) in the unit. Since it is a double wide module, we were able to use the extra set of I/O jacks for a mix buss. With a standard XLR cable, you can connect one Awesome into another and *POW* now you have a mixer. Just like that. The buss level, just like the paradigm of all lust worthy classic consoles with a passive buss, is conveniently set at mic level. After you’ve chained all your Awesome’s together, we’ve devised a special (awesome if you will) breakout cable that plugs into the standard XLR jack and delivers the Left and Right buss to the mic pre’s of your choice. This obviously sets you up for a myriad of tonal choices when both tracking with multiple mic’s mixed to a mono source (there are still *some* people that track guitars like this, right?) and mixing your stems (or tracks) from your DAW.

The mixing functionality is designed to work with all (every) 500 rack currently on the market. If it has a male and female XLR, you can use that rack to build a mixer out of Awesomes. Please inquire if you have a rack with TT jacks and we’ll come up with an easy solution for you.

So yeah, its a MIXER. And a jolly rodgering good sounding one at that.

Made of discrete transistor through hole topology, just like they built them in 1970, by hand, with passion, because it just sounds good.  There are no chips, IC’s or any surface mount parts in this box.


  • IMPEDANCE (Nominal 1kHz)
    I/P LINE = 12k Ω
    I/P MIC = 900 Ω
    I/P INSTRUMENT = 200k Ω
    O/P = 80 Ω
    BUSS = 7.5k Ω
    Mic Input: Transformer balanced
    Line Input: Transformer balanced
    1/4″ Input: Unbalanced
    Line Output: Transformer balanced
    Buss Output: Transformer isolated, unbalanced
  • Mic Input Mode*
    Nominally 900 Ω transformer balanced, floating
    Gain adjustable from +21 to +65 in 7 steps
    Maximum input 0 dBu for %1 THD+N @ 1kHz
  • Line Input Mode*
    Nominally 12,000 Ω transformer balanced, floating
    Gain adjustable from -6 to +15 in 5 steps
    Maximum input +27dBu to produce max output condition (below)
  • Instrument Input Mode
    Nominally 200,000 Ω unbalanced
    Gain adjustable from -12 to +59 dBu in 12 steps
    Maximum input +16 dBu for %1 THD+N @ 1kHz
  • Line Output
    Nominally 80 Ω transformer balanced, floating
    Output level continuously adjustable from 0 dBu (FULL ON) to -infinity
    Maximum output is +20 dBu into 600 Ω for %1 THD+N @ 1kHz
  • L-R Buss Outputs
    Nominally 6,600 Ω unbalanced, transformer isolated
    Maximum output depends on buss termination and summing amp headroom
  • Noise (w/EQ bypassed)
    WTD 10Hz to IEC-A
    Not more than -94dBu @ minimum gain
    Not more than -57dBu @ maximum gain
    Equivalent Input Noise -122 dBu
  • Distortion (w/EQ centered) THD+N at +18dBm
    0.025% @ 10kHz
    0.02% @ 1kHz
    0.15% @ 100Hz
  • Frequency Response @ 0 dBm, unity gain
    ± 0.5 dBu 20 Hz to 20kHz (w/EQ bypassed)
    ± 1 dBu 20 Hz to 20kHz (w/EQ centered)
    -1 dB @ 10Hz
    +3 dB @ 100kHz
  • Equalization Actual Q and boost/cut amounts vary per frequency selected
    HF tone control (quasi-shelving)
    ± 10 dBu @ 6k, 11k, and 17kHz
    Q = 1.6 nominal (from 1.3 to 2)
    MF presence control (peaking)
    ± 17 or 12 dBu @ 330, 470, 590, 790, 1.2k, 1.4k, 2.5k, 3k, 5.6k, and 7.8kHz
    Q = 1.15 nominal (from 0.3 to 3)
    LF tone control (quasi-shelving)
    ± 12 dBu @ 35, 70, and 130Hz
    Q = 0.33 nominal (from 0.2 to 0.5)
  • High-Pass Filter
    12dB/octave @ 130Hz
  • Output Termination
    1200Ω (up)
    OFF (center)
    600Ω (down)

*Mic and Line input modes can be used interchangeably for loud mics and quiet lines, or to experiment with distortion and impedance effects. 48V phantom power can be engaged regardless of the mic/line or gain settings.

Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.