IEC Power connector is a non stock item

KT66 tubes Should be EL34

Several non stock items in the bias circuit

Shared cathode on V1
.022 coupling caps after first stage
470k mixer resistors
Bright cap value on volume pot is unknown
470pf mixer bypass cap (Not Stock)
No bypass cap on V2a cathode
56k/250pf tone stack combo, typical JTM45 setup
27K NFB resistor on 8 ohm tap
.1 output coupling caps after phase inverter
220k bias splitter resistors
.1 cap on the presence control
All transformers are Drake
Steel chassis