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Fwd: Re: RE: Echo Pro - technical ping-pong
Reposting this because one of my SMTP servers is being stupid. Apologies
if this comes through twice...
>This is brilliant! And I'm wondering if those individuals working with
>unbalanced signals could do the same by x-connecting the balanced XLR I/O.
>Tell me: have you run into problems with "runaway" echo effects? I could
>imagine that if you're not very careful with your gain staging you could
>get into trouble; having the echos cascade into a writhing wall of white
>noise. That could be a nice effect in itself. However, given some of
>complaints I've seen on the list regarding individuals blowing up the
>input stage of their DL-4's with too much signal, I'm always a bit
>with the levels going into my Echo Pro. (Just in case....)
>More to your original question, though, if you're accomplishing this via
>physical connection outside the unit, I don't see why you wouldn't be
>to do the same by physically connecting the jacks inside the unit. You'd
>have to have some decent soldering skills -- and it would most likely
>render the jacks useless for anything else -- but the only other thing I
>can think of would be testing the impedance and possibly inserting a
>resistor or capacitor in line to make certain everything matched up.
>Actually, I think I'd probably contact a reliable repair tech. It seems
>like an easy mod, but you'd probably best leave it in the hands of
>who deals with this sort of thing daily. You never know if there are
>rattlesnakes waiting that you might miss. That said, my first impression
>is still that I think you should be able to make it permanent if you wish.
>At 12:18 PM 6/18/2004, nigel rushbrook wrote:
>> ok... to clarify this, yes - i'm not using the jacks for signal in or
>> out, i'm using the xlrs. the jacks are being used
>>as the feedback loop. repeats is set to zero (otherwise it doesn't
>>the mix is set to loop.
>>i got here because i realised that this is a "true stereo" processor -
>>the left and right are, essentially,
>>independent delays even when using as a mono effect. rather stupid,
>>really. unless you can get it to go ping and
>>the feedback is NOT as stable as using the repeats control. an, perhaps,
>>the tone is different.
>>if it really can't be done "properly" inside the machine, i would think
>>about adding my own repeats control,
>>taking the signal through a gentle op-amp stage to raise the level and
>>improve the s/n ratio.
>>------- Original message -------
>>From: the toy room <firstname.lastname@example.org>
>>Date: Fri, 18 Jun 2004 07:55:50 -0700
>>Subject: RE: Echo Pro - technical ping-pong
>> >however, by patching (using the jack sockets) the left o/p into the
>>right i/p and the right o/p into the left
>>i/p... and then feeding the unit from an xlr i/p I can get a ping-pong
>>delay from ALL of the delay models;
>>repeats then being controlled with the output level control. (i was
>>sooooo pleased with this:-) )
>>ok...this setup sounds wild, and I'm willing to give it a whirl for
>>shits and giggles.
>>Let me get this straight. XLR input to Echo Pro.
>>Left o/p to right i/p (1/4" jacks). Right o/p into left i/p.
>>How is the audio coming out? Via the XLR output?
>>If the repeats are controlled with the output level control, what do you
>>have the 'repeats' and 'mix' knob doing? Do they come into play at all?
>>How is the 'mix' setting programmed? Does it come into play? Is it set
>>to global, program, or loop?
>>Thanks in advance,
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