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Bad Amplifier
jafomatic
Oct 24 2009, 06:17 PM
GMC:er
Posts: 1.049
Joined: 6-May 09
From: Austin, TX
There's two problems here:

1. language again is not making it clear that there's ...
2. a misunderstanding of volume knobs!

Volume on guitar: max
Pre-amp volume (also called gain): max
Master volume: NOT MAX

This will allow your distortion to NOT bother the neighbors. When your volume was too loud you lowered the wrong knob. The order in which the signal flows is important and it is being overlooked

Here's the direction in which the signal "flows" through your setup:
1. volume pot (knob) on your guitar
2. gain knob on OD channel
3. channel volume

The way to permit or cause distortion is to keep the knobs that occur earlier in the chain (lower numbers in my list) higher than that last-most item in the list (3). The way to control how much actual output comes through the speaker or headphones, you control the last knob in my list (3) channel volume.

So. When it's not distorted you turn up knobs 1 and 2. When it's too loud you turn down knob 3. If it's still clean, then look at the channel selector. Marshall amp channel indicator will be lit when the overdrive (distortion) channel is selected.

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Ivan Milenkovic
Oct 24 2009, 06:21 PM
Instructor
Posts: 25.396
Joined: 20-November 07
From: Belgrade, Serbia
Ok, try this:

1. Plug in the guitar in the amp (put all knobs and pots on 0)
2. Put the guitar volume on 10
3. Push the OD small black button
4. Turn the gain knob on 10, and tone knob to 5
5. Increase the volume from 0 to comfortable level

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Darknodar123
Oct 24 2009, 06:25 PM
GMC:er
Posts: 235
Joined: 22-October 09
From: Greece
QUOTE (jafomatic @ Oct 24 2009, 08:17 PM) *
There's two problems here:

1. language again is not making it clear that there's ...
2. a misunderstanding of volume knobs!

Volume on guitar: max
Pre-amp volume (also called gain): max
Master volume: NOT MAX

This will allow your distortion to NOT bother the neighbors. When your volume was too loud you lowered the wrong knob. The order in which the signal flows is important and it is being overlooked

Here's the direction in which the signal "flows" through your setup:
1. volume pot (knob) on your guitar
2. gain knob on OD channel
3. channel volume

The way to permit or cause distortion is to keep the knobs that occur earlier in the chain (lower numbers in my list) higher than that last-most item in the list (3). The way to control how much actual output comes through the speaker or headphones, you control the last knob in my list (3) channel volume.

So. When it's not distorted you turn up knobs 1 and 2. When it's too loud you turn down knob 3. If it's still clean, then look at the channel selector. Marshall amp channel indicator will be lit when the overdrive (distortion) channel is selected.



THANKS!!!It actually caused some distortion.Great Jafomatic.





QUOTE (Ivan Milenkovic @ Oct 24 2009, 08:21 PM) *
Ok, try this:

1. Plug in the guitar in the amp (put all knobs and pots on 0)
2. Put the guitar volume on 10
3. Push the OD small black button
4. Turn the gain knob on 10, and tone knob to 5
5. Increase the volume from 0 to comfortable level



Ivan is that adjustment for a comfortable sound or for a certain sound or distortion?

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Staffy
Oct 24 2009, 06:37 PM
Learning Tone Master
Posts: 2.294
Joined: 18-June 09
From: Genarp, Sweden
I read somewhere here that You had Your guitars volume on 2, You must have it on 10 - otherwise the amp doesn't get enough input to produce some distorsion. And then just adjust the Volume on the amp as Ivan said....


//Staffay

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Darknodar123
Oct 24 2009, 07:03 PM
GMC:er
Posts: 235
Joined: 22-October 09
From: Greece
QUOTE (Staffy @ Oct 24 2009, 08:37 PM) *
I read somewhere here that You had Your guitars volume on 2, You must have it on 10 - otherwise the amp doesn't get enough input to produce some distorsion. And then just adjust the Volume on the amp as Ivan said....


//Staffay



Well I manage to get some distortion but is it okay to do Smoke On The Water?Please see for yourself

Attached File  REC005.WAV ( 76K ) Number of downloads: 105

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This post has been edited by Darknodar123: Oct 24 2009, 07:19 PM


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Bogdan Radovic
Oct 24 2009, 07:12 PM
Bass & Beginner Instructor
Posts: 15.614
Joined: 30-November 07
From: Belgrade, Serbia
QUOTE (Darknodar123 @ Oct 24 2009, 08:03 PM) *
Well I manage to get some distortion but is it okay to do Smoke On The Water.Please see for yourself

Attached File  REC005.WAV ( 76K ) Number of downloads: 105


Ok it sounds pretty good for start. I think you understood how to set a distorted tone. Gain and volume on guitar has to be on 10 (gain can be 7-8 too for softer distortion) and you actually control the general volume of the amp on the volume pot on the amp.It can be as low as 1 or whatever is comfortable to you.

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MickeM
Oct 24 2009, 09:59 PM
Born of NWOBHM, Moderation Team Leader
Posts: 8.562
Joined: 9-January 07
From: Stockholm, Sweden
QUOTE (Darknodar123 @ Oct 24 2009, 06:24 PM) *
Well I have tried it.But the sound is clean wherever the channels are....

Also the guitar volume was at 1 and the the amp preset as Ivan stated and my grandma got upset and started
pissing me off smile.gif

If you have your guitar volume tuned down you'll have a clean sound even if you're on a dist channel.

That's by the way a great way of controlling the amount of gain, turn the guitar volume up for maximun gain and down for clean.

Turn the guitar volume up closer to 10 or you're stuck with cleans sounds.

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