Comparison of '66 JTM 45 and Metropoulos GPM 45. Using the Metropoulos Head Master amp switcher and a basketweave slant cabinet. Both amps loaded with real GEC KT66's. JTM 45 has NOS preamp and rectifier tubes, replica has Mullard reissue 12AX7's and Chinese rectifier.
The Goldtop is loaded with Throbak pickups, TVT pots, paper in oil caps and 50's wiring.