Hello guys! Decided to make a new thread for this issue. So, I have been making some direct profiles of my Marshall SL-5 tonight. They sound really great until a certain level of gain... With gain and volume at about 12 o'clock and a Tubescreamer in front everything just becomes muddy and really loose. Wayy too much low end, as opposed to the real amp that does not have much low end. I find it really strange to be honest, I have made profiles with quite a lot of gain and it sounds marvelous (gain at about 1 o'clock), but when it gets to about 3 o'clock on the Kemper it has the low end of a bad fuzz box... Profiles made at the exact same volume but with less gain sound great so it has to be related to the amount of gain. The reference amp and the Kemper amp are not even remotely close, what the hell is going on?
Inaccurate direct profiles...
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Alfi27 -
May 10, 2016 at 1:57 AM -
Thread is marked as Resolved.
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Are you refining the Profiles? Playing low open chords while refining may help to remove any excess low end.
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And if Paul's suggestion doesn't work, maybe you should open a support ticket (link in my signature) - I don't think I've heard that phenomenon before....
How are you connected to the kemper? which DI box, and do you have a cab attached?
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What happens when you take the Tubescreamer out of the signal chain?
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I have tried refining them and not refining them, same result either way. With gain at 9 o'clock and the Tubescreamer in front the profiles are accurate, but it is when I turn gain on the amp up to 12 o'clock this happens..
I use the Kemper DI Box and I have a cab connected yes -
Here is a clip. The first is the Kemper profile, the second is the real amp through the same IR.
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So if you take the the Tube screamer out of the signal chain you can turn the gain up on your amp and have a good result?
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Well, sort of, but like I said it should have nothing to do with the Tubescreamer as I have made great profiles with it at lower gain settings.
EDIT: Actually, no... I turned gain to about 3 o'clock and it sounds almost the same as the TS in front with gain at 12 o'clock... This is really strange, I understand Choptones also use the Kemper DI Box and they profile amps with Tubescreamers at much higher gain levels than I, with great results. -
When I first got my KPA, I remember reading that it has difficulty profiling tube screamers properly, and is why @ckemper included a modelled tube screamer in the Stomps section (the Green Scream).
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When I first got my KPA, I remember reading that it has difficulty profiling tube screamers properly, and is why @ckemper included a modelled tube screamer in the Stomps section (the Green Scream).
That's true. There are some effects the KPA isn't able to profile i. E. a fuzz is sometimes really difficult and the same goes for tube screamers. Try using the tube screamer of the KPA.
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an alternative is to mimic your amp tone with the KPA by adding some KPA gain on your highest gain profile and store the new rig,
you might have to adjust others params like basic EQ, clarity & def, but this works great for some amp & preamp I've been profiling in the past, as long as you got a good reference tone while adjusting your profile.
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Like I said the results are equally bad without a tubescreamer in the front and gain high on the amp...
All of this being said, the profiles with less gain are f**kin epic and easily as good as the best I have purchased -
cool, be sure to upload the best ones on rig exchange , looks like a cool little marshall and I'd love to compare it to my JTM30 combo.
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Definitely refine your profile, but make sure you have ample headroom going into the Kemper return.
I had some problems similar to this which went away one day. I remember attenuating the signal going into the Kemper.
Kemper will interrupt the profiling if it clips internally during the process, but I don't think it will account for shoddy gain staging.
Try it :).
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Thanks a lot, but I am not sure I know quite what you mean... I should turn down the return input level? There is no way to adjust the output level of the DI box
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If that is your only option, try that, or profile at a lower volume, just to see if the results are more accurate.
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I'm having exactly the same problem trying to profile a 1989 Randall RG100ES. The Kemper is inventing a huge low end that does NOT exist in the amp. Instead of high-gain low-mid, the Kemper gives lot of low frequency (about 70-100 Hz), and the profile has nothing to do with the original amp. In addition, the resulting profile has much less gain and attack than the amp.
How did you solve your problem? Any clues? I've made about 80 different attempts to profile this head and no satisfying results. :(((
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Which firmware version are you running? My Kemper was running on the 3.3 version when this issue occured, but after I installed the 4.0.2 beta version the issue completely disappeared! All of the studio and direct profiles now sound great and accurate at every gain level. At least worth trying!
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I'm running 3.3. I was thinking about installing the new 4 Beta, but it seems it has many stability issues yet. In any case... I need a solution, because my profiler is just unusable at the moment: no profile sounds even close to the original, that low end, low sub is killing me :(((((((
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Upgraded today to 4.0.3. Same thing.
I've initialised rigs as they recommended me in technical support.
I've made a "Flash Init", factory restore, as they told me in technical support.
Still the same thing. Clean profiles sound well. but when trying to profile the Randall Rg100ES... the profile sounds just like a subwoofer. I've made about 50 profiles just today with very similar settings in the amp: some sound clean, some sound distorted, some sound very compressed, all bad. And none of them has the gain and punch of the amp. Waiting for solutions from tech support again.
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