Amp- Comet 60 - is EQ so weak?

K

karak

New Member
Quite tough amp, I have made 3rd approach and still not satisfied.

Gainy even with single coils, G < 1 and still no clean, but at least quite acceptable light overdrive.

I notice one strange behavior and I don't know if it is my setting or amp behavior.

Gain and Trim react well, but B-M-T & P have nearly zero effect on tone. I barely hear any difference between the 0 & 10.

Do you have please any idea what is going on?

FW 7
 
I’m not very familiar with that Amp model and also on FW9.0 beta, but if you haven’t read through this and the second video which shows amp settingsmight give some clues. As far as gain and being clean is going to depend on guitar volume. Meaning using it to clean up the amp. Probably need to get the amp cranked a bit and use the guitar volume to work the gain.

Thread 'Fractal Audio AMP models: Comet 60 (Komet 60)'
https://forum.fractalaudio.com/threads/fractal-audio-amp-models-comet-60-komet-60.112823/
 
The Comet 60 model does have an unusual amount of gain - it's quite a bit more overdriven than my real one, and more than the Comet Concourse model, which in reality is a more overdriven amp. I don't doubt its accuracy to the one Cliff has, but I wonder if his one has particularly gainy preamp tubes or something.

That said what you're hearing doesn't sound typical of either a real Komet or the Comet model in my experience. With single coils it should be clean until at around 9-10 o'clock on the volume knob (no master volume so keep that on 10), after which there will be some overdrive. Is your input trim set high perhaps?

What you're hearing in the EQ is strange. One thing to note is in my experience the BMT controls are not very interactive like with other amps. The bass, for example, works kind of like a high pass filter that just removes low frequencies without affecting the rest of the spectrum. Same with the other controls. I'm not sure what might be causing the effect you're getting. What cab are you using?
 
2 GitGuy513

Thank you for link. Unfortunately quite old posts 2016 and same info like in amp guide, seem not so popular amp. Difficult to say how this model was affected by all this modeling engine changes since that time.



2 Corinthian

Not so big issue that is not clean, I just wanted to know what is available range and this was my observation. I somehow assumed that it should be more universal amp.

I mainly wondering about EQ responsiveness.

I have Input trim on default and I changed it too, this is very strong parameter. Reducing trim cleans sound but make it somehow boring, increase is like adding boost and drive sound is much better.

I do not remember picked DC, I went few times through all of them, many were very fizzy.

I tried recommended ValhallIR 4x12 USA Bk Shadow 202 A1 VH, and this is quite good too.

What tube's do you have in your real amp?
 
karak said:
2 GitGuy513

Thank you for link. Unfortunately quite old posts 2016 and same info like in amp guide, seem not so popular amp. Difficult to say how this model was affected by all this modeling engine changes since that time.



2 Corinthian

Not so big issue that is not clean, I just wanted to know what is available range and this was my observation. I somehow assumed that it should be more universal amp.

I mainly wondering about EQ responsiveness.

I have Input trim on default and I changed it too, this is very strong parameter. Reducing trim cleans sound but make it somehow boring, increase is like adding boost and drive sound is much better.

I do not remember picked DC, I went few times through all of them, many were very fizzy.

I tried recommended ValhallIR 4x12 USA Bk Shadow 202 A1 VH, and this is quite good too.

What tube's do you have in your real amp?
Click to expand...

It is a very versatile amp. Listen to Simon's videos on the amp guide; it can sound fantastic everywhere from crystal clean up to pretty high-gain. Not to mention the famed clean-to-mean responsiveness to picking and the volume knob. It's a very special amp in my opinion; it does what we love about Plexis but pushed a little harder and with some Vox chime and Hiwatt clarity mixed in.

8 years is a long time but the modelling was good back then so an amp at default settings today shouldn't sound dramatically different from the same amp at default settings from back then, so I think a lot of what is said in that thread is still relevant. Perhaps it's worth posting a clip/preset so we can help diagnose the problem you might be facing with it.

I like the old TV Mix IR with it - I think it's Legacy 106 - but it works with most vintage Marshall style cabs. Vox cabs with Blues are nice for cleaner tones.

I have NOS Mullard short plates in V1 and V3 and an Amperex Buglebuy in V2. EH EL34s in the power amp because I find they sound fairly close to old Mullards, wich I think are the best option for amps like the K60, and with new production I'm more comfortable biasing them a little hot and cranking the amp. Finally a NOS Mullard rectifier (which actually made as much difference to the tone as any of the other tubes, much to my surprise). I don't have much occasion to use it these days; 60 Watts is deceptive, it's very loud! But when I do get the chance it's a thing of beauty.
 
Corinthian said:
Perhaps it's worth posting a clip/preset so we can help diagnose the problem you might be facing with it.
Click to expand...
@karak
This would be a good idea. Getting to the bottom of the tone controls not being responsive would be a good starting point. Some amp tone stack’s are more interactive, but from I understand this is not so much the case with this design.

Corinthian said:
I have NOS Mullard short plates in V1 and V3 and an Amperex Buglebuy in V2. EH EL34s in the power amp because I find they sound fairly close to old Mullards, wich I think are the best option for amps like the K60, and with new production I'm more comfortable biasing them a little hot and cranking the amp. Finally a NOS Mullard rectifier (which actually made as much difference to the tone as any of the other tubes, much to my surprise). I don't have much occasion to use it these days; 60 Watts is deceptive, it's very loud! But when I do get the chance it's a thing of beauty.
Click to expand...
That’s a nice accompaniment of tubes and I have read the Rectifier tube is important. I bet it sounds great. I have heard they sound best when they’re pushed.
 
GitGuy513 said:
That’s a nice accompaniment of tubes and I have read the Rectifier tube is important. I bet it sounds great. I have heard they sound best when they’re pushed.
Click to expand...

They certainly need to be turned up before they get into overdrive, but I really like their clean tone as well.
 
I like the Comet and still use it sometimes. The Wreckish amps don’t really do cleans too well. Set it up for low gain and use your guitar volume to clean it up. I have never noticed any issues with the tone controls on it. I like the Ruby Rockets better into Greenback 412 IR’s or lately the Stealth 412 Dynacabs. You might like the Ruby bright more than the normal. It gets a better cleanish tone to my ears. The Ruby is based on the Wrecks but Cliff said there are differences so not an exact copy of any Trainwrecks. More an inspired by thing I guess.
 
Thank you for your suggestions.

Definitely I learned something new, for this is such tough amp much better than easy one.

I have got to some usable tones and range with big involvement of guitar volume, but nothing special.

Nobody had same observations like me, so my problem with amp is just luck of my experience.

I spend three evenings with it and is time to go away, this amp is not for me. :)
 
karak said:
Gain and Trim react well, but B-M-T & P have nearly zero effect on tone. I barely hear any difference between the 0 & 10.
Click to expand...
Sounds like you're using the Ideal page. There are parameters that are inactive on some of the models, I noticed this initially with the Bright Switch on the Nuclear Tone model. I went through all of the models awhile back and some have many inactive parameters, others only a couple.
 
JoKeR III said:
Sounds like you're using the Ideal page. There are parameters that are inactive on some of the models, I noticed this initially with the Bright Switch on the Nuclear Tone model. I went through all of the models awhile back and some have many inactive parameters, others only a couple.
Click to expand...
Personally i think inactive controls should be hidden, or greyed out and disabled. That's a pretty standard UI feature.

Given all the much more complex things the Axe does, and the fact that the audio engine already knows which controls are inactive on each amp, it's surprising that hasn't been implemented.
 
JoKeR III said:
Sounds like you're using the Ideal page. There are parameters that are inactive on some of the models, I noticed this initially with the Bright Switch on the Nuclear Tone model. I went through all of the models awhile back and some have many inactive parameters, others only a couple.
Click to expand...

I use only original layout, to keep it simple and recoverable. I do not want to fall in love with some sound and will not be able to recreate it later, due to some advance setting, which I forgot.

But good to know, I would not expect that there are knobs in ideal setting which are inactive, it make no sense.
 
Chromatizm said:
You are really missing out on the true power of Fractal


Backup and block library will sort this out for you
Click to expand...
There is definitely more settings than I need now. 🙂


What in case that I have to make amp block reset after FW update?

Can I load backup over fresh amp and it will set up all as in backup amp from previous fw?
 
The thing is that your sound changes over time no matter if you are using advanced settings or not. Each update changes something.
So once you fall on love with some sound, and the update changed it, sometimes it's advanced settings which help you get it back :)
 
Chromatizm said:
You are really missing out on the true power of Fractal
Click to expand...
I don't agree that he's "missing" anything...

If you don't need those controls they do nothing for you.

Some people want to use them, others don't.

I've mostly lived only with Authentic settings for several years and I have no issues getting tones that I like.
 
Dave Merrill said:
Personally i think inactive controls should be hidden, or greyed out and disabled. That's a pretty standard UI feature.

Given all the much more complex things the Axe does, and the fact that the audio engine already knows which controls are inactive on each amp, it's surprising that hasn't been implemented.
Click to expand...
They are hidden. You can only access them using "Ideal" controls.
 
karak said:
Thank you for your suggestions.

Definitely I learned something new, for this is such tough amp much better than easy one.

I have got to some usable tones and range with big involvement of guitar volume, but nothing special.

Nobody had same observations like me, so my problem with amp is just luck of my experience.

I spend three evenings with it and is time to go away, this amp is not for me. :)
Click to expand...

I tried the Comet this morning and the tone controls work but not in a drastic way. Yep if an amp doesn’t work for you it’s time to move on. Plenty more in the box. Whatever IR you’re using has a lot to do with it along with the speaker curve. I’ve settled on a handful of IR’s and a Dynacab with the same curve. So if I’m on the same guitar most amps sound very similiar.
 
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