Pass amps with Tube pre-amps


Is anyone doing this..Pass amps with a tube pre-amp?If so what pre-amp have you used?Thanks
spaz
Excellent results, no problems, with Pass X250 and ARC LS25mkll and also ARC LS15.
The Joule 150 MKII is able to drive relatively low input impedances, but it is single ended only and it seems many Pass owners prefer to connect in balanced mode.