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Topic: Alesis |
Leroy Riggs
From:
Looney Tunes, R.I.P.
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Posted 18 Jul 2001 7:53 pm |
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My Alisis Quadaverb is really noisy especially when I crank up the volume on my Sessions 400.
Is this typical of the Quadaverb?
Leroy |
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Bill Terry
From:
Bastrop, TX
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Posted 19 Jul 2001 7:18 am
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I have a Quadraverb GT, with the guitar preamp, it's very quiet unless you really crank the distortion effect.
Does the standard Quadraverb have separate input and output level controls? If so, it could be your input level is too low. Be sure you drive the front end with enough signal to get a good signal to noise ratio.
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Leroy Riggs
From:
Looney Tunes, R.I.P.
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Posted 19 Jul 2001 7:26 am
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Hi Bill,
I re-did my input/output and it didn't really make a difference but your comment got me to remembering that I have been gradually having to increase the volume on my Matchbox. I changed batteries and that actually helped a little but still not enough.
Maybe this is an excuse for me to buy something new in the effects department.
Leroy |
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Bill Terry
From:
Bastrop, TX
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Posted 19 Jul 2001 9:06 am
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Hi Leroy,
Have you postively verified that the Quadraverb is the noise source? You might pull the Matchbox and the Quadraverb out of your setup one at a time and see if the problem goes away. Could even be the amp itself, does the noise happen with nothing plugged in? Good luck..
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ajm
From:
Los Angeles
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Posted 19 Jul 2001 11:34 am
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This is meant to help you so don't take it the wrong way: Is it hooked up correctly? By that I mean is it in the effects loop or the front end of the amp? Sometimes an impedance mismatch can cause what sounds like is happening here.
Also, how long have you had it? If you've had it for a while, has it ever seemed to work right? If so, has anything changed?
I'm sure other guys here use this gear as these are very popular items, so there must be a way to get it cranking.
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Leroy Riggs
From:
Looney Tunes, R.I.P.
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Posted 19 Jul 2001 11:52 am
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Bill -- I have two devices going into my 400: First, a (very slow) Compaq for my rhytum track feed and my Quadaverb. By removing my computer, I eliminate about 20-25% of my noise but removing my my Quadaverb feed, I get get rid of it all (with the computer removed also).
ajm -- I have my guitar feeding my volume control and the volume control feeding the Quadaverb. I am using a T-patch in order to use both output terminals (no floating terminals). The output of the Quad is feeding the high gain input.
Leroy
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Dennis Detweiler
From:
Solon, Iowa, US
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Posted 19 Jul 2001 4:34 pm
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Maybe a ground loop? Try putting a two prong adapter on all of the effects power cords. If running two amps...put a two prong on one of them. Not familiar with using your particular units, so just guessing.
Dennis |
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Bill Crook
From:
Goodlettsville, TN , Spending my kid's inheritance
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Posted 19 Jul 2001 7:09 pm
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| Quote: |
| The output of the Quad is feeding the high gain input. |
You are feeding a input designed for mics and guitars with a signal from a device with a line level (1 volt) output. No wonder its noisey !! If my memory serves me right,there is a jumper inside the Midiverb that allows for switching from line output to low level output. |
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Leroy Riggs
From:
Looney Tunes, R.I.P.
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Posted 20 Jul 2001 7:42 am
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Yeah, I played for a long time using the high gain but when I turned up the volume loud enough for stage work, the Quadaverb noise also became just as loud as it is when using the high gain input.
I started using the high gain because it appears to give me much more string brightness.
Leroy[This message was edited by Leroy Riggs on 20 July 2001 at 08:59 AM.] |
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Ernie Renn
From:
Brainerd, Minnesota USA
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Posted 21 Jul 2001 4:22 am
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Leroy;
Here's a couple of things to check:
1. Is there an internal EQ being used in the patch?
2. Is there an internal compressor being used in the patch?
Both of these can create extra noise.
I've been using the low input for years with no problems of being too quiet. 
Good luck!
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My best,
Ernie
The Official Buddy Emmons Website
www.buddyemmons.com
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Blane Sanders
From:
York,Co. Pa.
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Posted 21 Jul 2001 9:38 pm
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Leroy, Does Your Quadraverb have a power cord with a Transformer built in line?
I have a Quadraverb GT that I had a lot of noise problems with for a while. I discovered that when the power transformer is too close to the unit, as in my case in a homemade rack, I had a lot of noise. it took me a while to figure it out. Good luck. |
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Leroy Riggs
From:
Looney Tunes, R.I.P.
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Posted 27 Jul 2001 9:20 am
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Thanks to all who responded. I have been out of town recently and haven't replied.
I am not sure of the compressor issue--I don't have the manual for the unit but there is no internal EQ.
I will keep messing around--I'll find it!
Thanks to all. |
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