Guitar Messages by David Moore
Showing 1-20 of 41 messages
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David Moore (184)
Equipment Forum ·
27 Hits ·
6/10/2007 5:06 PM
Very true - speaker wattage doesn't matter. The efficiency of the speaker (db@1W) can make a difference in terms of volume per watt though.
Actually, tube amps use a high voltage and low current (as much as 500V, but less than 1A of current) w...(more)
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David Moore (184)
Equipment Forum ·
15 Hits ·
6/7/2007 6:54 PM
You could daisy chain the 2 amps if one of them had a low-level signal out (headphone or line out.) but whatever you do, don't run the speaker out of one amp into the input of another - you can do some serious damage (the least of it is that you...(more)
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David Moore (184)
Equipment Forum ·
17 Hits ·
6/5/2007 10:23 PM
My apologies. I didn't know you were talking about dual polarity.
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David Moore (184)
Equipment Forum ·
14 Hits ·
6/5/2007 1:27 AM
actually, if the 2 batteries were in parallel, it would only provide 9 volts. In this setup, 1 battery would provide the needed voltage, but it wouldn't last as long since there wouldn't be as much available current.
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David Moore (184)
Equipment Forum ·
11 Hits ·
5/15/2007 9:35 PM
Washburn might be another one to look at. I've always liked the way they play.
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David Moore (184)
Equipment Forum ·
24 Hits ·
5/3/2007 11:45 PM
Very true. Tube amps seem to take a lot of the fizzyness out distortion boxes and make them sound much more natural.
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David Moore (184)
Equipment Forum ·
31 Hits ·
5/3/2007 12:20 PM
I tried it out, but didn't like it too much. Then again, I never was much of a fan of the Big Muff anyway. You should check out the Boss Metal Zone or Mega Distortion - those sound much fuller and way more like metal.
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David Moore (184)
Equipment Forum ·
22 Hits ·
5/2/2007 10:38 PM
Looks like you nailed it :) I guess the trimpot must affect the bypassed volume also.
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David Moore (184)
Equipment Forum ·
25 Hits ·
5/1/2007 11:51 PM
The loss in volume really won't be corrected by running through the fx loop, since all it does is allow placement of fx between the preamp/eq and the power amp (the basic rule is that any effects that modulate should be run through the loop - ie...(more)
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David Moore (184)
Equipment Forum ·
20 Hits ·
4/30/2007 11:48 AM
a lot of stompboxes are not true bypass (signal is running through part of the circuit when bypassed, not a direct jack to jack connection.) Unfortunately, this means that some of your high end and volume can be attenuated - especially if you're...(more)
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David Moore (184)
Building/Repair Forum ·
20 Hits ·
4/24/2007 9:40 PM
Another route would be to run the metronome into a different source, like a small stereo with a line in - it's a little inconvenient, but it will work. That's really strange that your amp's line in doesn't have a volume control, but then again, ...(more)
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David Moore (184)
Building/Repair Forum ·
71 Hits ·
4/20/2007 6:58 PM
That still sounds like a pre-amp issue to me...
The cd input routes directly to your power amp and bypasses your pre-amp (this is so you can use your distortion channel without having the music distorted as well. If you're able to get sound thro...(more)
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David Moore (184)
Building/Repair Forum ·
48 Hits ·
4/19/2007 1:56 AM
That will certainly cause it. Good to hear that you got it working :)
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David Moore (184)
Building/Repair Forum ·
110 Hits ·
4/18/2007 12:10 AM
Oops, Should have looked back at my previous post :) - the opamp is actually a 4558. It is an 8 pin chip like the tl-072, but it doesn't require a negative power source. To measure voltage, touch your red lead on pin 8 and the black lead on pin ...(more)
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David Moore (184)
Building/Repair Forum ·
122 Hits ·
4/17/2007 11:48 PM
There is an op-amp within your preamp circuit. It should be a computer chip looking thing with 4 pins on each side (8 total) and a part number of TL-072. You are correct - They are made up of a bunch of tiny transistors, not to mention a few res...(more)
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David Moore (184)
Equipment Forum ·
34 Hits ·
4/16/2007 10:50 AM
compression would definitely help, but be careful not to overdo, otherwise your tone could sound boomy and definitely unclear. another thing you could try is installing bigger capacitors on your tone pots - it's a little more involving, but it's...(more)
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David Moore (184)
Building/Repair Forum ·
12 Hits ·
4/16/2007 10:45 AM
I agree - probably the output transformer. It could also be the power tubes, but I'd try them in another amp before replacing. If they seem to push like they should, then I'd definitely replace the output transformer.
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David Moore (184)
Equipment Forum ·
30 Hits ·
4/12/2007 3:33 PM
Exactly. This is because the circuit ground is normally open (not connected). When the plug is inserted into the jack, the ground is connected, which allows electron flow through the circuit (think of it as a sort of on/off switch). Battery powe...(more)
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David Moore (184)
Equipment Forum ·
30 Hits ·
4/2/2007 11:20 PM
I'm definitely hearing a distortion pedal of some sort (maybe an MXR Distortion+ or a DOD 250?) and that midrange tone almost sounds like he's running through a wah-wah partially engaged. That's my guess anyway
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David Moore (184)
Equipment Forum ·
29 Hits ·
4/1/2007 12:44 PM
It really depends on how hard you want to drive your amp. One thing to consider is that almost all amps are rated in RMS watts, or average watts. Once you shove that master volume at around 10, you will be delivering more than the rated wattage ...(more)
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