From Riku-Sakari Kujanen Sent Fri, Dec 14th 2018, 11:19
From Riku-Sakari Kujanen Sent Fri, Dec 14th 2018, 11:19
Hi, I=E2=80=99ve used Signal Transformer DMT-6-15 (Mouser part 530-DMT-6-15) in C= R8000. If I remember it right it was drop in or close enough to fit in. There=E2=80=99s also bigger models, DMT-7-15 and DMT-8-15.=20 Hammond 266 series has good candidates when both 115/230 input and dual seco= ndaries (single center tapped output) are needed.=20 //riku > On 14 Dec 2018, at 11.35, Florian Anwander <xxxxxxxxx@xxxx-xxxxxx.xx> wrot= e: >=20 > Hi Murray >=20 >> 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. H= ave 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. >=20 > Florian >=20 > --=20 > http://www.florian-anwander.de >=20