IR Advice

Discussion in 'Discussion' started by Slartibartfarst42, Oct 9, 2019.

  1. Slartibartfarst42

    Slartibartfarst42 Well-Known Member

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    In another thread, Dagwin made this comment:

    'And in the end, I always change the CAB IR to a Celestion Red Back 412. Every preset sounds better with those :D'

    This has got me thinking. When I first got my AA6 I decided to experiment with different IRs so I downloaded a a lot of free IR packs to experiment. The problem was that with these free packs, I ended up with endless options and if I tried every one, I'd spend the rest of my life tweaking presets. I really don't want to do that so i abandoned the idea. Dagwin's comment has got me wondering if I was over-complicating the whole thing. Perhaps for what I do with the AA6, I only need one or maybe two IRs if they're the right ones that suit the Atomic and suit the amp models I'm using. That way i could just do what Dagwin does and load the same IR to every preset.

    I am very much a child of 80s Metal so think of tones like Iron Maiden, Saxon, Gary Moore, MSG, Scorpions etc. Not entirely surprisingly, the amp models I tend to prefer are the Plexi and Brit800, though I also use the HotBrit, Kornfield and BE. Clearly I am naturally drawn towards Marshall tones and those amps that operate in the same ballpark. What would people recommend as great IRs for these amp models and those tones?
     
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  2. Jace Nuzback

    Jace Nuzback Senior Member

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  3. NelsonP

    NelsonP Senior Member

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    I really like the ownhammer basketweave ir. I use it with the plexi , kornfield and HBE models and it's fantastic. I too am drawn to Marshall tones. I use the same IR across all of them which simplifies things a lot.

    I also have the Celestion plus Creamback IR collection which is pretty good, but the ownhammers are better for my needs.
    https://www.ownhammer.com/store/index.php?main_page=product_info&cPath=186&products_id=438

    The only issue is that they have a bewildering number of options, but there are shortcuts....
    http://atomicamps.com/forum/index.php?threads/ownhammer-basketweave-ir.2081/#post-12543

    I monitor using either a i) Laney IRT-X, ii) straight to the PA or iii) via audio technica ath-m50x headphones and they sound good through all of them.
     
  4. Jem

    Jem Active Member

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    I grew up on 80s hard rock and hair metal.. still love and listen to it primarily today. I just got the Ownhammer GNR pack and it is awesome. However, the Free Redwirez is equally as good and free. It uses the same type of cab and speakers as a lot of 80s music was played with:

    https://www.redwirez.com/free1960g12m25s.jsp
     
  5. Slartibartfarst42

    Slartibartfarst42 Well-Known Member

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    Celestion themselves suggested a Vintage 30 and a G12T-75, which I guess is a fairly predictable response. I've used both before and liked them. The Vintage 30 certainly had a harder edge to it and I didn't instantly fall in love with it but the more I played it, the more I liked it. That was in an Orange 1X12. I had the G12T-75 in a Marshall 4X12 and I liked that a lot. I'm not exactly sure which cabinet offering I should go for but for those tones my instinct is to go 4X12. I see that Celestion offer a 'pick 'n' mix' deal so I may well buy these two and the G12H Anniversary, all as 4X12. For the money, I'm inclined to also try the Ownhammer that Nelson seems to like as he seems to operate in a similar ballpark as me and I also use a Laney IRT-X.

    I already have the Redwirez free pack so I could revisit that but to be honest, one of the problems I found with the free packs is that there were hundreds of options in there and it felt like I would spend the rest of my life sorting through them all. To be honest, there's a lot of stuff seems to come with these IRs that means absolutely nothing to me, hence my desire for a heavily simplified solution. There's a theme here with me because my biggest gripe about the effects on my Atomic is that I have no idea at all what most of the controls do and the manual might as well be in Greek for all the sense it makes. Simple is best and it's not because I'm stupid, it's just that I have no knowledge of these particular things.
     
  6. Slartibartfarst42

    Slartibartfarst42 Well-Known Member

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    I'm guessing that I should be using 500ms IRs as opposed to 200ms as they usually seem to just put 200ms options in the free packs but what on earth is the difference between the 44, 48, 88 and 96 options. What, for that matter, is the difference between 88A and 88B or 96A and 96B? Which should I be using?
     
  7. Jace Nuzback

    Jace Nuzback Senior Member

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    The AmpliFire products use 48kHz, 200ms IRs.
    You can import other resolution files, but
    the AmpliFire will convert them to 48kHz, 200ms.
     
  8. Slartibartfarst42

    Slartibartfarst42 Well-Known Member

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    Thank you very much, that cuts down the search dramatically!

    I've got the OwnHammer pack now and I've basically done what most other people seem to have done, which is follow the manufacturer's advice! Like others on this thread, the OH1-05 seems to work very well for me and simply switching between GNR, MED and RAW gives me all the variety I need, though I was wondering what people found works best with these IRs for Rolloff and Q settings.

    I'll try the Celestion ones tomorrow!
     
  9. NelsonP

    NelsonP Senior Member

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    Excellent choice ;-)

    From memory, I have rolloff set around 6.7k I think .
    Q around 0.7.
    Sometimes have a bit of cab bottom on there too.

    FWIW I find the Ownhammers to be better than the Celestions. I don't really have the language to desribe the difference, but to me the Ownhammers sound a bit richer, somehow more transparent and vivid, whereas the Celestions sound more clinical. At least to my ears.

    Of course, now that you already have the IRs we can always trade patches ;-)
     
    Last edited: Oct 16, 2019 at 11:45 AM
  10. Slartibartfarst42

    Slartibartfarst42 Well-Known Member

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    Great idea!

    I'm going to work on some presets over the weekend if I have the time and then I'll send you some. I get the impression that I like things a bit brighter than you based on my very limited work so far. I've only looked at two presets so far, a Plexi and a Brit800 and I'm not sure they're 100% yet. However, neither has any bass added to the cab and the bass on the amp is low too. With the Brit800 I used the GNR version and I think the settings weren't too far away from yours. The Rolloff might have been a little higher. The Plexi was very different as for that one I moved the Rolloff up to about 10.4 and went with the MED option for that IR. I've now downloaded the three Celestion speakers too so I'll do a comparison over the weekend. Whatever I end up with that uses an OwnHammer IR I'll send to you. They're certainly more 'alive' than the ones I got from Chop Tones and as I've changed their presets so much, it looks like my foray into their presets was largely a waste of money. You live and learn!
     
  11. Jay Mitchell

    Jay Mitchell Active Member

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    You're off by a factor of 10. AF products accommodate 1024-point, stereo IRs, and the system sampling rate is 48kHz. That makes the length of the IR 21.3ms, not 200ms. Uploading an IR longer than that will result in the editor shortening it - hopefully by windowing, less optimally by truncation (I don't know which it does) - to that length.
     
  12. NelsonP

    NelsonP Senior Member

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    Correct
    http://atomicamps.com/forum/index.p...se-response-spec-for-amplifire.283/#post-1870
     
  13. Dave_5150

    Dave_5150 Senior Member

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  14. Dave_5150

    Dave_5150 Senior Member

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    I play in an 80's metal band and I've had great results with ML-Sound labs IR's. I'd also recomend trying Dr Bonkers as a solid low cost option too.
     

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