Reply To: TWRPS-TS voltage tracking shunt regulator Posted byThe Well Audio 12/05/2024 › Forum › Power supplies › TWRPS-TS voltage tracking shunt regulator › Reply To: TWRPS-TS voltage tracking shunt regulator 12/05/2024 at 14:07 #2627 The Well AudioParticipant 9VAC is fine, 12VAC is too high.