@FractalAudio , i noticed that all factory presets using ac30tb have the dynamic damp at 5.56 and xfrm hi freq at 900hz, while resetting the amp block these 2 values default to 1.82 and 1200hz. Just curious what the correct values should be.
And also, I'm assuming the new settings you suggested apply to the "hot" model too, don't they?
Thanks
Hey ssmorga,
Thanks for letting me know - That's cool - It's the amp settings I'm most interested in
Thanks again
Pauly
Not that my opinion of the AC30TB holds much water compared to edo's, but after trying out Cliff's recommended settings.....I used it at full volume this past weekend after tinkering with my patch for the last week or so and I must say it sounded pretty dang great!!! I still used the SDD in front of it when I wanted to drive it a bit, but left it off when I wanted a clean/edge when I dug in kinda sound. I still need to try throwing a TS/Super OD in front of it for a good OD sound though. It was the best sounding AC30 patch I have been able to come up with in the past year or so......now granted, I never was really pleased with my attempts in the past so the patch rarely made it past my practice room. I still need to go back and tinker with the Dynamic Damp and Xfrm Hi Freq that edo addressed above to see if it affects anything or not. I do have a question for edo though regarding the Bright Cap value......do you leave yours at default or do you adjust it to your taste? I am having an issue when I try to turn up the drive on the amp of it getting really dark.
Ok, i see where the xfrm hi freq control is, and changing it to 900Hz adds more body to the amp(I'm sure because if the frequency it is causes it to thicken up the sound), but for the life of me I see no Dynamic Damp in the Amp block. I have even looked at the Factory bank Top Boost preset and went through every tab looking for a control value at 5.56 or 1.82 and haven't seen it either. Please........tell me what control you are talking about in the Amp block?
G'day again ssmorga78,
Cool!... I loaded the preset and tried a couple of Vox IRs, and had a fiddle - Nice... very 'real'... I thought it was a little thin atfirst until I played with some music at volume. Thanks a bunch.
Pauly
I didn't mess with the bright cap as I think 60 is the proper value (I remember a post from fas stating that the bright cap value is half of the actual bright cap, so 60=120 which is the correct stock ac30 cap - and the popular bright cap mod actually consists in lowering the value to get rid of some extra fizzness). What I did however was boost a couple db's on the pre power amp eq at 4khz to add that extra bite, and used a parametric eq at the end to turn it back down, so that you actually increase the gain in that spectrum without actually turning the level up. Also, I cut a few db's in the 400-500 and this helps making it brighter
Xfrmr Match should be reduced as well since I realized that the typical Celestion Blue speakers have a lower voice coil resistance than I used in the calculations. Set it to 0.8 and adjust to taste from there.
Like I wrote a couple days back, it does sound much better but I haven't had the chance to crank it at gig level yet (I'm playing a gig on Tuesday, so I guess that's when I'll be able to judge properly)