OK I've decided to take the plunge and order a Velo CHT-15. My system amplification is basically a Linn integrated+power amp with a Yamaha DSP-E800 through a tape loop (+speakers of course!). This allows me keep a 'purist' stereo setup for listening to CDs and a multichannel affair for DVDs. I would like to connect my sub at both high and low level: - High level from the second set of speaker outs of my power amp so the sub bolsters my mains for stereo listening - Low level from my sub output on the Yamaha for multichannel LFE I should like to have them connected simultaneously as I've no intention of plugging and unplugging leads. I can't see any reason why I shouldn't be able to do this - the sub input has a very high impedance as I understand it and hence should draw virtually no current from my power amp. Any comments guys, particularly CHT-15 users (but not exclusively!)?