On Sat, 01 Apr 2006 14:04:13 +0100, Glenn Richards
wrote:

Ok, here's an interesting one for you...

(Ok, first up, I'll admit I was bored.)

System: Arcam AVR-250, Mordaunt-Short Avant 908 speakers, Chord Rumour 4
speaker cable

Ever since I've had the Arcam amp, I've had the speakers bi-amped, as in
the current location I don't have space to run 7.1. So I did a little
experiment this morning.

Step 1: Disconnect the speaker cables from channels 6 and 7 (the EX or
bi-amp channels) at both the amp and speaker ends, and replace the
bridging straps on the speakers.

The sound suddenly went flat and lifeless, almost as if it had been
compressed.

The only thing that was 'compressed' here was your IQ......

Step 2: Reconnect the cables at the speaker end and remove the bridging
straps. Connect the cables into channels 1 and 2 at the amplifier end -
speakers are now bi-wired, but not bi-amped.

The depth and dynamics now returned immediately.

Step 3: Move the bi-wire cables back to channels 6 and 7, returning the
system to bi-amped configuration.

No difference audible between bi-wired and bi-amped.

Surely bi-amping should give more of a difference than bi-wiring?

Any ideas?

PS Please do not bother posting with "it's all in your mind", two of us
were in the room, both of us heard the same thing. And it goes against
what the assumption should be - bi-amping *should* produce an
improvement, yet it doesn't.

As usual, you haven't the foggiest Idea what you're talking about.
Assuming that your amps are capable of driving the speakers without
clipping at your preferred listening level, why should bi-amping be
better than bi-wiring? Electrically, they are *identical*.

BTW, as usual, it's all in your mind, so spare us your guff until you
have the guts to take a blind test. If you *really* believed your own
bull****, you'd be only yo happy to take a grand off me for proving
that you're not just full of hot air.

--

Stewart Pinkerton | Music is Art - Audio is Engineering

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