Which Tannoys, folks?

[Reffc]

Hi Paul.

Just an observation with the stands here. I made some stands just like those before I went with some open metal ones for the Lancasters. One thing I remember was that they sounded better with an open back as they acted like boom boxes. Have you tried that at all? It may be a different kettle though with those cabs, but it might be worth a go... Maybe even a circular port if you need to keep more rigidity?

The thought had occurred to me but if it proves problematical I can always take the jigsaw to them!

I have to say, I do find the controls switches useful on occasion. I do chop and change components around within my line up and currently find -1 on the tweeter 'level' setting seems about right. I don't use the 'roll-off'. There is no audible imbalance between the speakers.

I have yet to take the crossovers out for evaluation. This will be done and at the same time the internal wiring will probably be upgraded. No rush, it's all sounding very fine indeed at the moment.

As for hard wiring an entire system, it has been done. I vaguely recall a feature in a mag about a system which was like this, in America I believe. Not sure the benefits would outweigh the hinderances though.

My amp has tone controls...that's what they call them although as you pointed out earlier, they don't alter tone, the roll off (or increase) treble response or bass response respectively. I don't therefore need the compensation on the speakers.

If your room is treated/furnished to achieve a decent response with the controls set flat, or the speaker crossover designed as flat then this is the ideal. If source components or the amp are changing things that much that adjustment is needed then I'd argue here's something wrong with them. Of course source material is a different matter and I do find it useful to have a little compensation control for badly recorded pieces.

The earlier comment about small currents being measured through the tone controls not being representative is something that I don't understand I'm afraid as it doesn't seem to make sense to me Geoff. What is "micro-welding" and how does this work? The meter I use measures DC resistance period, so if its different its purely because the circuits are exhibiting variations in resistance which will have an effect on the signal. The value of the circuit resistors and DC resistance does not alter as voltage is increased, only the current alters. However, in operation, the signal is alternating current and circuit impedance rises with frequency (properties of the driver circuit impedance with frequency) but this in itself does not can cannot compensate for resistance differences with the treble roll off and energy controls...in other words, you will not get both speakers to measure the same given the same input signal if the treble controls operate with different resistance and increasing voltage does and cannot not change this. IMHO of course.