Effects of the "true by-passed" effects loop

[videocat23]

ok gang....here's a question that just baffles me

Marshall came out with this "true by-pass" effects loop in their re-issues. Does it really work? I had a Marshall VS265 (no laughing please), and the effects loop would still change my sound even though all of my effects were off. It sounded better with the loop turned off. So with this true bypass idea, does it fully bypass the loop?

Anyone got one?

[VelvetGeorge]

Hmmm, I not familiar with the loop in that model. But it can't be true bypass if it's degrading your sound.

You do saying you can turn it off, so maybe that their idea of true bypass.

George

[dosmun]

I had a Marshall VS265 (no laughing please), and the effects loop would still change my sound even though all of my effects were off. It sounded better with the loop turned off. So with this true bypass idea, does it fully bypass the loop?

When the loop is off is when it is True Bypass. If the loop is engaged you are still running through all of your effects which will degrade your sound. The loop is made so your "tone sucking" effects can be taken completely out of the signal path when you are not using them.

[Flames1950]

The reissues switch between the effects loop contacts and a set of contacts that basically short the loop circuitry, so the only degradation is whatever you get from routing the preamp signal from the tone controls to the effects card and back. Not saying it may not be audible......