Pre-Owned TL Audio Ebony Series A1 Dual Tube Microphone Preamp / DI

Pre-Owned TL Audio Ebony Series A1 Dual Tube Microphone Preamp / DI

Product Code: CONSIG0107

1 Currently In Stock


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Great condition, very clean. Made in England.


TL Audio Ebony Series A1 Dual Tube Preamp/DI Features:

  • Discrete Class A and tube dual preamp/DI
  • Two discrete Class A preamps
  • Two DI inputs for high-/low- impedence instrument input
  • Phantom power
  • 30dB pad
  • 90Hz highpass filter
  • Phase reverse
  • Switchable tube stage with rotary drive control on each channel
  • Output gain stage
  • Analog-style VU metering
  • +10dB metering for use with DAW

Mic Input:

  • Discrete Class A circuitry from input to output (unless Tube stage In)
  • Gain Range: +16dB to +60dB (-14dB to +30dB with pad)
  • Maximum Input level: +10dBu (without pad), +30dB (with pad)
  • Frequency Response: 10Hz to 40KHz, +0, -0.5dB, @ 40dB gain
  • Distortion (THD + Noise): 0.025%, 20Hz to 20KHz @ 40dB gain
  • Noise (EIN): -127dBu unweighted, 22Hz to 22KHz, 150 ohm source termination

Instrument Input:

  • Tube input stage, plus discrete Class A circuitry to output
  • Gain Range: +8dB to +40dB ("High"), -10dB to +22dB ("Low")
  • Input Impedance: 1Mohm ("High"), 70Kohm ("Low")
  • High Pass Filter: -3dB @ 90Hz, second order
  • Output Gain: Maximum Gain +15dB
  • Output: Maximum Level: +22dBu (2Kohm load), +26dBu (10Kohm load)
  • Noise at minimum gain: -90dBu (22Hz to 22KHz)

Tube Stage:

  • Typical Distortion: 1% to 10%, depending on "Drive" level, predominately second harmonic
  • Noise: -80dBu (22Hz to 22KHz), output gain @ 0dB


  • Tube "Drive" LED: Variable intensity over 10dB level range, typically corresponding to 1% to 5% THD
  • Tube "Peak" LED: Dependant on level and drive, typically corresponding to 10% THD
  • Output "Peak" LED: +19dBu on output
  • VU Meter: Switchable to Channel 1 or 2, and Input or Ouput
  • Nominal calibration: 0VU = +4dBu
  • +10dB switch calibration: 0VU = +14dBu
  • Detachable IEC power cord
  • Dimensions: 2U; 19" W x 7.9" H x 3.5" D, behind front panel
  • Weight: 13.2 lbs.

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