#1
Hey guys, I've been listening to people playing their 5150's for a bit today and none of them sound like mine. It sounds like I have a really flat tone in comparison to theirs. Mine is also a bit more bassy than any of theirs. My volume is around 2, as that's where it seems to open up.

There has to be something wrong with my amp.
Maybe my tubes, they haven't been changed in a year according to the previous owner.

But nothing has changed with my distortion or volume since I got it.
It just seems like I can't get any kind of lead tone at all out of my amp. I only get one tone no matter which guitar or settings I use. Whenever I use the neck pickup on either of my guitars and play with the EQ and my EQ pedal I can't get rid of this bassy tonal thing I've got.

Any help is appreciated.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#2
yes
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Ibanez EX
Carvin bx500 w/ Peavey 2x10&1x15
#3
may sound stupid but is your amp's eq set up right?

and what about the tone pots on your guitars? are they on the treble or bass side?

Oh, and maybe your friends are using different guitars, with higher output pickups?
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#4
Well the MXR 10 band is one of the best.
Neck pups are generally more bassy sounding.
Do you have the stock Sheffield speakers in there?
You could try experimenting with brighter preamp tubes, like Tung-Sols
Get different pickups?
OD pedal for tightening?
I don't own a 5150.
#5
Yeah, try different guitars, cables, no pedals, etc, etc...

If that doesn't work, retube it.
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#6
I've upgraded cables, still the same.
Changed between my guitars, pretty much the same.
It was like this before I had any pedal.
It does have the stock speakers in it.

I might retube it.


But mainly I wanted to know what you guys thought, since I don't have any money to experiment with stuff right now.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#7
Maybe the previous owner biased the tubes cold?
I've bought, sold, and traded more gear than I care to admit.
#8
The problem with the combo is it is fixed bias. Most say it's biased cold stock and a lot of guys bias mod it to make it warmer.

What would modding it to make it warmer do to the sound?
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#9
Sorry...didnt see that its the combo version lol

Well, modding it to make it warmer would...well do exactly that haha

Your sound will be less harsh (in a good way) as well as you will get a nicer sounding low end (not sure thats possible with a 5150 lol)

Also, even just changing the tubes can sometimes make the world of difference.

Listen to ERock503's recording of his 5150....
I've bought, sold, and traded more gear than I care to admit.
#10
Are you still using the stock speakers? Sheffields are garbage speakers.
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#11
Thank you Kevin! Forgot to mention the speakers as well!!!

I've bought, sold, and traded more gear than I care to admit.
#12
Yeah it just seems like when I use the neck pickup, I get a sound unlike any neck pickup I've ever heard before. And I can't EQ it out.

I'll look into all those things.

Out of:
speaker change
tube change
bias mod

Which would be the most helpful? I probably can't afford all of them at once.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#13
The speakers. Learn to do the bias mod yourself and it'll practically cost you nothing.
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#14
I went and listened to Erock305's 5150 clip and his blows mine out of the water. Although my problem is really when doing br00tlz, it's much more evident when playing leads on my neck pickup. Although I listened to some guy's clips on the HCF and my amp isn't even close to his tone-wise either.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#15
I always thought the combo was biased warmer than the heads...
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#16
Even if it's biased warmer, mine's undoubtedly lacking in the tone department.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#17
well, if i were you, i'd probably A/B it with another 5150 to see if its really something messed up or idk
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gear:
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#18
Some people don't like how the combos sound, maybe you're one?
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#19
I've just never heard a 5150, whether a head or combo, sound like mine before. And both my guitars have the same problem with it, so it's not that.


I also get crazy screeching when I'm not playing.
I can never take my hand off the neck, and most of the time even that won't stop it.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#20
Hmm, that sounds like a microphonic tube. I'd consider swapping them all out.
I don't give a shit if you listen to me or not
#21
Would you have any recommendations for the tubes?

And thank the lord thee is an answer to the screeching!!!
It made me never want to use my amp as it was unplayable sometimes.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#22
Well, just make sure that's the problem what are your settings?

JJs are a good bet for powertubes. I'd hit up erock for a good preamp line up.
I don't give a shit if you listen to me or not
#23
^JJ's would be a good bet as stated

For preamp, Tungsols will be brighter (as stated earlier) and JJ's will be darker

Those seem like the best quality options
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#24
I've used so many settings to no avail. Just today I spent 2 hours fiddling with the tone and can't rid my sound of that weird bassy part. But my settings are: low 5.8 mid 6.8 high 5 presence 1 resonance 2 a small amount of reverb. lead gain 4.5 rhythm gain with crunch 7.5

The low resonance and presence are an attempt to rid the ice pick screeching and bassy noise. I also don't like that boomy tone at all.

I know it's a mid heavy amp and my mids are pretty high, but I've taken out the box/honk with the EQ pedal.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater
#25
I was just making sure you didn't have the treble and gain cranked, that's a recipe for screeching there. Looks like you're in the clear though.
I don't give a shit if you listen to me or not
#26
I've done my homework on EQ. I thought that was my problem for the longest time. Man, it was so discouraging. At least I can have hope now. Earlier before I posted this, I had regretted buying a 5150 because it sounds nothing like what people said.
Peavey 5150 combo
1989 Ibanez RG750
MXR 10 Band EQ
Dean MLX
Spider III 15W
Yamaha FG700S

GAS list:
TC Nova Repeater