Tallin

Dual discrete core VCA

XAOC Devices · 6 HP · 3U

Panel · 30.5 × 128.5 mm

Description

Two identical voltage-controlled amplifiers in 6 HP, built around a discrete transistor core, each with simultaneous exponential and linear CV inputs, a volume knob going past unity into boost, a switchable overdrive and a multi-colour level LED. DC-coupled, they handle control voltages as well as audio.

Key features

  • Discrete VCA core with a matched transistor pair, for a thick, characterful sound
  • EXPO and LINEAR CV inputs active together, both normalled to 8 V for manual use
  • VOLUME from fully closed (-80 dB) to +18 dB of boost past noon
  • DRIVE switch: SYMMETRIC overdrive (3rd harmonic), LINEAR, or ASYMMETRIC overdrive (2nd harmonic); soft clipping beyond 18 Vpp
  • Level LED per channel: green, then yellow, orange and red as the output gets hotter

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