Hi James—
In the olden days, Bryston used to publish specifications such as input voltage overland and maximum voltage output.
These remain important to me, but Bryston no longer publishes them—or at least I can't find them.
It would be helpful to know these specs for the BP-19.
For example, the DACs I'm using output as low as 4.0 Vrms (Bryston BDA-3) to as high as 12.25 Vrms (Crane Song Solaris Quantum, SPL Mercury), with others coming in between at 6.15 Vrms (Berkeley Alpha Reference).
And to take an example on the output side, the manufacturer of the powered speakers I use (Meyer Sound X-10T & X-400C) specify a preamp output capability of not less than 11 Vrms).
So I hope the engineering folks at Bryston can fill in some of the specs that aren't published in the manual.
Thanks! Joel.