Quote: Originally Posted by
mrcgibb 
sorry but new to this and sorry to hijack , you show a transformer there that converts unbalanced to balanced , but my saab 95 is the same balanced amp , ie left - left + , now do i need one transformer for each speaker ? , so i would have a left and right rcs lead from pc sound card or a usb dac ?
Are you talking about speaker output? They are normally + and - as bridge coupled power amps are common in car due to low supply voltage (12V rather than 30V). Or maybe your problem is sorted now?
(saab 95 btw... I did not know they had a stereo at all...)