A guess. If the Lamm has a highly sensitive input, say on the order of .5 to 1 volt, the ARC probably has a high enuf output to render the volume control near useless - that is, it is way too loud when the volume control isn't even advanced to 8 o'clock when you are using sources with high output, which causes you to loose the use of the finer gradiations on the volume control. Many ARC amps either employ a built in switch to attenuate incoming signals (my SP10 does) or allows for a minor change on the circuit board to obtain the same effect. Check with ARC to see if they have a provision for attenuation.
2 responses Add your response