Originally Posted by George Mills
Not if they want to do it right with calibration and distance delays.
Yes, that would certainly be true for testing an overall system/solution. But, strictly speaking, I don't think that would be a requirement for testing that the HD621 itself is working correctly.

Dan

Current: Anthem MRX300, B&W Matrix 804 Front L/R, B&W Matrix HTM Center, B&W Matrix 805 Surround L/R, PS3, Squeezebox v3, Popcorn Hour A100

Retired: 568.1, 562v2, 596, 558, DSP5000 Mk1 24/96, DSP5000C Mk1 24/96