James:
I am running a pair of 2BLP's in mono to a pair of 91 dB loudspeakers with a BP 4.2 preamp,via RCA connections.
One of the 2BLP's is from 1992. The other is from 1999.
The 1992 unit seems to have quite a bit more hiss that can only be heard when no source music is playing. Other than that,the amplifiers are fine. The 1999 unit is much quieter,by the way.
Any thoughts on what is causing this?
Regards,
Patrick