GPM 45 Head




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The Metropoulos Amplification GPM 45 Head accurately re-creates the head version of a 1965 era Marshall JTM 45. The tone is warm and creamy in all the right ways. Fender-y when you want it to be, bluesy when you have to be and authentic 1960's British tones at every turn of a knob. It weeps, it moans and it sings with a vocal voice like no other amp.

According to Premier Guitar Magazine, our GPM 45 has "an ease about it that made it feel like a broken-in vintage head, making it a breeze to dig in, or to lay back on the strings and feel the amp act as in instrument. It was truly inspiring. Of all the amps in roundup, this amp sounded the most like our '65 — frighteningly close!"

MP3 Sound Samples

$2750 + Shipping built to order, lead time approximately 12 weeks.
Start your build with just a $500 deposit using the PayPal button below.

As used by:

  • Angus Young

Details:

  • CNC stamped 14g aluminum chassis
  • Drake replica transformers
  • PEC 2 watt Mil spec pots
  • Allen Bradley NOS carbon comp resistors
  • SoZo Vintage signal capacitors
  • Era correct head cab and aesthetics
  • Authentic perforated terminal board
  • Mullard reissue 12AX7 preamp tubes
  • Valve Art KT66 and GZ34 tubes
  • Vintage correct layout and construction
  • 38 watts

Lance Keltner Video Demo

Blues Bradford Video Demos

Videos courtesy of Dave "Blues" Bradford.