SELMER TREBLE N' BASS 50 SV REVERB AMPLIFIER - "SV" ALUMINIUM FRONT PERIOD

COURTESY OF CHAMP ELECTRONICS (VALVE AMP REPAIRS), NOTTINGHAM, ENGLAND:

Note: the metal corner protectors are not original.

Note the reverb spring housing box located directly behind the control panel.

COURTESY OF MORTEN JORGENSEN, NORWAY:

LATER "BLACKFACE" MID-'70's Tn'B 50 SV REVERB, COURTESY OF PAULA OPOKU, MIDDLESEX, ENGLAND:

Note: Reverb Depth and Presence Control Knobs have lost their metal tops.