On 7/24/2010 12:39 PM, Carl wrote: > 1900-2100 depending on 120/240 fed and actual line voltage. Thanks. That agrees with the PSU Designer program. I'm using an SB-200 transformer and just a bit more capacity in the supply for my 813 amplifier. I wanted to get a sanity check before cutting the pi net coils. -- Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/