Need help with 5150 iii 50 watt blue channel... way flubby

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mystixboi

mystixboi

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So I've had this amp since it was first released. I always stay on the red channel, but I've been reading a lot of people praising the blue channel saying that it sounded like a killer Marshall.

I've always thought it was a really flubby sound... so much so that I never really use it.

I decided to make a video to demonstrate the flubby sound. I just loaded it with Sovtek 6L6's and I have a bunch of new JJ's coming in next week for the pre amp tubes.

That being said, does anyone else have this problem? what should i be looking at to fix it?

Here's a video(recorded with a digital camera)... you can really start to hear it about 50 seconds in...



I'm using an Ibanez RGA121 with a Dimarzio Evo 2 in the bridge.

Thanks in advance!!!
 
do you have any other amps? just making sure your pickups dont sound like shit. how does channel 3 sound?
 
nope... no other tube amps... i have a bunch of different guitars... some have hot pickups, some don't. happens with all of them.

channel 3 sounds fine
 
how loud do you have it? this channel to me sounds alot better when the gain is cranked and its much louder. channel 3 you can play lower i may be wrong. I have the same amp. have you checked the bias? stock is 30ma
 
i haven't checked the bias... no tool to measure with... i have tried at all different levels.. no change
 
I sold mine for that exact reason. Thinking it was bad I shipped it back to Fender and they sent a replacement head...and it sounded the same :aww:

It absolutely hated my Axis guitars :(
 
i usually play channel 3 with a maxon 808 and i have no issues. then again im on ch 3 most of the time.
 
Is this known issue for 50 watt 5150III because I recently pickup the 100 watt version and I don't notice any flub
 
I had the same issue with 2 100 watt heads. I found that low output pickups helped but the hot ones flubbed out. I tried dropping the gain way down and hitting the front with a boost but it flubbed it out. I tried multiple tubes. Really got flubbed if I threw delay in the loop over 500 ms or a multiple repeat. Sounded like I was on the neck pickup. I have an old fender jap fat strat that has a custom custom in it and that sounded like a champ. Lowering the pickup height on my ibanez helped ( with evo ) but my axis and wolfs sounded like I was in the neck pickup when I was on the bridge. I was using a evh 412 cab
 
My flub was so bad I thought I had a blown speaker. Then I thought my guitar was jacked up, then I thought the amp was messed up so I sent it back. I HATED that flub! I wanted to like that amp so bad damnit!

Howard Kaplan hand picked another amp for me and spent two hrs testing it (just an awesome guy and such great customer service btw). When I got the repacement head and it flubbed as well I put it up for sale right away. It worked good with my strat but my EBMM's are my main guitars and it just sounded like total flubby ass with them....so off it went
 
I think I figured out the problem. I am using a line 6 POD XT Live in the loop for efx and as a midi switcher. It sounds great, but...

I realized that I had not only, delay, but a compressor and eq on... that wouldn't be bad, but I had the line out running too hard.

Plus, I notice it a lot on my guitars with hot pickups... maybe I'll try lowering the pickups a bit...

killer sounding amp though!!!!
 
I have read this a few times now on this forum... my guess is that you haven't found a workaround and this will start to bug you again. Could this be down to our individual ears or is there a recurring issue with some and not others? Anything from bias points to component screw ups at the factory??
 
I live on the Green and the Red channels. The Blue I haven't had much luck with it. But I will tell you one thing: lower output pickups sound way better with the Blue and Red. I love how my single coils Teles sound through this amp, even at high gain. My JP6 sounds like shit with its hot pickups.
 
I play on channel 2 most of all and Ive never heard anything flubby at all.
 
I have the 50 watt and have no problems. In fact, I never even use the green or red channels. And some of my pickups are 17k. :confused:
 
No issues like that for me and mine sounds nothing like that video thru a 4x12 or a 1x12. What kind of cabinet is that and is it elevated off the floor??
 
Btw. Would any of you mind making a clip of the blue channel so I can hear what I am missing?
 
I have this same issue on my red channel with my wolfgang, which if any guitar should work well with these, it should be the wolfs...
 
People that have the flub, is your head made in Vietnam or Mexico?
 
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