The Mainline is a solid state power amp with a new front end circuit that emulates that sought after tube "feel" found in classic tube amps. 

With a LA Custom designed filtering in the front of the amplifier, the sweet spot in tube emulation has been achieved. The Mainline has a proprietary circuit that truly emulates the way a tube amp interacts with a speaker. Typical solid state power amps do not know or care what they are connected to, so they tend to always have a flat response. The Mainline amps possess an enhanced frequency response that is very much like a tube amp connected to a speaker. This adds a level of warmth and clarity not usually found in solid state power amps. 

The Mainline Power Amplifier features additional circuitry providing an "instrument/line level" (INST/LINE) switch. The INST input allows you to run your pedals - or pedal board - directly into the amp without having to utilize a separate preamp.  The LINE input allows use of a preamp in combination with the Mainline power amp, providing plenty of flexibility with the Mainline.

Rocktron has covered the bases in a great sounding, super responsive power amp. It's like having a "head" in a single rack space!

Other Features:
  • 115/230 VAC voltage selector switch.
  • Provides 300 watts of power; 150 watts per channel when used in stereo, or 300 watts mono bridged into an 8ohm load
  • Works great for bassists that run a floor preamp/DI unit!

Specifications

  • Output Power (Unbridged) - 150 watts per channel @ 4 ohms (both channel driven), 75 watts per channel @ 8 ohms (both channels driven), 37.5 watts per channel @ 16ohms (both channels driven)
  • Output Power (Bridged) - 300 watts @ 8 ohms, 170 watts @ 16 ohms
  • Input Sensitivity - -7.3dBu (0.335V RMS), 4W stereo for rated output at max. gain
  • Input Impedance - 470K
  • Maximum Input Level - 23dBu (10.95V RMS), input stage clip point
  • Maximum Output Level - 35dBu
  • Noise Floor - -75dBu typical (referenced to 1 watt)
  • Dynamic Range - 95dB
  • Distortion (Typical) - 0.1% THD
  • Frequency Response - 20Hz - 20KHz, +0/-3dB
  • Current Consumption - 5 amps @115VAC max. (575 watts)
  • Dimensions - 19"x 1 3/4" x 9 1/2", 483mm x 44mm x 241mm
  • Weight - 17.1lbs, 8.5kg