From Florian Anwander Sent Fri, Dec 14th 2018, 09:33
From Florian Anwander Sent Fri, Dec 14th 2018, 09:33
Hi Murray Am 14.12.2018 um 04:31 schrieb Murray: > Nearly all the early Roland transformers have two secondary windings. > One is about 7vAC [...] > The other secondary winding is a centre tapped 15-0-15vAC This is valid only for the poly synths. Not for the SPH-323 and similar. Have a look at the service manual. All the Studio rack series uses 2x18V with half wave rectification. I think I converted around 20 of them meanwhile. Florian -- http://www.florian-anwander.de