header image

Professional Series Dual Channel Amplifier

Meticulously handmade amplifiers with amazing tone.


The Professional Series amps respond very well to different guitars/pickups. Even the most aggressive of the channel designs has exceptional articulation and responsiveness.

Key features

  • 100W (4x EL34). Can be biased for many different output tube types, quickly and easily with a regular volt meter, without having to open the amplifier. (See bias document for more information.)
  • Excellent Master volume controls.
  • Effects loop.
  • Footswitchable overall Master volume controls (2), as well as footswitchable channel switching (a 2-button footswitch is used).
  • Separate Edge and Crunch switches for each channel to help shape each channel’s sound to your tastes.
  • Separate EQ for each channel.
  • Measures 29 1/2″ W x 9 3/4″ D x 10 3/8″ H (feet add 3/4″ to the overall height, and the handle is approximately 1/4″ in height)

Channel configurations

Your Professional Series dual channel amp will be built with one of these two general channel configurations:

Overdrive / Overdrive 
Two of the same overdrive channel you choose, for instance Fire Hammer / Fire Hammer. Each overdrive channel’s individual row of controls allows for a wide variety of flexibility in its settings so you can contrast the two channels for different yet complementary overdrive sounds. You can dial in the two channels to be rhythm/lead (or crunch/high gain, etc.)

Overdrive / Clean
The overdrive channel you choose, plus a clean channel.

The clean channel provides clean, blues and classic overdrive sounds with the familiar characteristics of many vintage amps while having its own sonic signature. Makes for excellent low-gain crunch sounds with the gain turned up.

Mixing different overdrive designs in a configuration is not possible. The information above outlines the limits of the configurations.

See the list of overdrive designs below. (Updated 2018-12-13)

This design is based on Vega and Regulus designs combined; it’s the most toneful and flexible “modified British”-sounding design Peters Amplification has made. NOTE: this is LOWER GAIN than Fire Hammer and Plasma Blade! This is not generally to be considered a “heavy metal” design to most people. But if you want truly old-school stuff, Reptilicus is where it’s at. A new voicing feature is being developed for this design, which will allow it to be a more “modern-sounding medium gain” with that new setting. Stay tuned!
The ultimate evolution of the Gryphon/GNL lineage! A modern high gain design with lots of growl, and has vintage tone at heart. THIS NOW REPLACES THE FIREJACK. A new voicing feature has been added which when active allows the Fire Hammer to cover more ground than the Firejack did (it’s now capable of sounding very similar to the discontinued FSM). More versatile than ever!
This is the most aggressive and focused modern high gain design made by Peters Amplification to date, and it’s still and oozing with tone. THIS NOW REPLACES THE BODY HAMMER. A new voicing feature has been added which when active allows the Plasma Blade to cover more ground than the Body Hammer did (it’s now capable of sounding very similar to the discontinued Chimera). Not just for the most aggressive sounds anymore!

Cosmetic options

See the following page: here