Cabinet prototypes are here! Our True Replica Cabinets are reverse engineered from my 1968 Marshall speaker cabinets More...

We heard from a very happy Metropoulos GPM 45 owner who had this to say about his More...

Want to try out one of our GPM 45 amps at the NAMM show? Stop by the More...

Listen to the Metropoulos 45/100 Block End Limited Edition amp in action GPM 45 Head with a More...

We’ve added more new mp3 clips to demonstrate the tonal possibilities of the GPM 45 Head. Now More...