roscoe5 Posted April 6, 2016 Share Posted April 6, 2016 I posted a new IR per a member request for a good clean Strat sound. Immediately I think Fender Twin. I setup a Helix preset and loaded the stock US Double Norm (Fender Twin) amp block and separate US Double C12N cab block. I then copied the preset, deleted the cab, and changed the output to USB 5/6, opened AT4 and setup its Fender Twin Model, turned off the AT4 amp, then tweaked the speakers and mics to what I liked. Processed the AT4 cab model per my post http://line6.com/support/topic/19604-irs-from-amplitube-4-cab-room/ Copied the Helix preset again and put in the new AT4 IR block, then I ABC'd the presets. Again, the resulting IR directly in Helix is slightly different than Helix Amp into AT4 cab plug in. I actually think it sounds more open than the AT4 plug in and less nasally than the Helix cab (sorry to use that term again L6, i'll try to find a better one). I'm also noticing that 1024 sample settings on the IR's are a bit more mid-rangy than the 2048 sample setting. Setting them to 2048 samples is almost like throwing a deep switch on an amp. Fender Twin Cab IR 4/6/2016 Cab: Fender Twin Speaker: American Alnico x2 Left Mic: Dynamic 57 Right Mic: Bottle 563 Room Mics: Condenser 87 Helix presets: Fender Twin IR 1024.hlx & Fender Twin IR 1024.hlx with IR in Impulse slot 27 https://www.dropbox.com/sh/009bkqzooza1aop/AADER2D9wah_GtlL5ygW7-fCa/IR/Fender%20Twin%20AmAln%20SM57%20Bottle?dl=0 I posted a pic of the AT4 screenshot of the cab setup this time and a readme. I also posted the Helix stock preset I compared it to. 1 Quote Link to comment Share on other sites More sharing options...
Chuck_R Posted April 19, 2016 Share Posted April 19, 2016 I posted a new IR per a member request for a good clean Strat sound. Immediately I think Fender Twin. I setup a Helix preset and loaded the stock US Double Norm (Fender Twin) amp block and separate US Double C12N cab block. I then copied the preset, deleted the cab, and changed the output to USB 5/6, opened AT4 and setup its Fender Twin Model, turned off the AT4 amp, then tweaked the speakers and mics to what I liked. Processed the AT4 cab model per my post http://line6.com/support/topic/19604-irs-from-amplitube-4-cab-room/ Copied the Helix preset again and put in the new AT4 IR block, then I ABC'd the presets. Again, the resulting IR directly in Helix is slightly different than Helix Amp into AT4 cab plug in. I actually think it sounds more open than the AT4 plug in and less nasally than the Helix cab (sorry to use that term again L6, i'll try to find a better one). I'm also noticing that 1024 sample settings on the IR's are a bit more mid-rangy than the 2048 sample setting. Setting them to 2048 samples is almost like throwing a deep switch on an amp. Fender Twin Cab IR 4/6/2016 Cab: Fender Twin Speaker: American Alnico x2 Left Mic: Dynamic 57 Right Mic: Bottle 563 Room Mics: Condenser 87 Helix presets: Fender Twin IR 1024.hlx & Fender Twin IR 1024.hlx with IR in Impulse slot 27 https://www.dropbox.com/sh/009bkqzooza1aop/AADER2D9wah_GtlL5ygW7-fCa/IR/Fender%20Twin%20AmAln%20SM57%20Bottle?dl=0 I posted a pic of the AT4 screenshot of the cab setup this time and a readme. I also posted the Helix stock preset I compared it to. Hi, This link is dead. Quote Link to comment Share on other sites More sharing options...
jeremyn Posted April 19, 2016 Share Posted April 19, 2016 The longer the IR, the more frequency resolution it contains. 1024 points is around 20ms/50Hz, and 2048 points is around 40ms/25Hz. So the accuracy of the IR at lower frequencies is much better with the longer IR, and therefore the filter parameters are inherently better controlled. The method of truncating the IR can affect the way it rolls off, and therefore can also have an effect on the low frequency response of the filter. Quote Link to comment Share on other sites More sharing options...
roscoe5 Posted April 19, 2016 Author Share Posted April 19, 2016 Hi, This link is dead. Sorry, moved many to a v1 folder in that dropbox location. Quote Link to comment Share on other sites More sharing options...
Chuck_R Posted April 19, 2016 Share Posted April 19, 2016 Can you post the new link? Thanks! Quote Link to comment Share on other sites More sharing options...
roscoe5 Posted April 21, 2016 Author Share Posted April 21, 2016 Can you post the new link? Thanks! Sorry, was travelling for work. Those were some of my first v1 experimental IR's. I played back through them today though and still like them. https://www.dropbox.com/sh/009bkqzooza1aop/AADhgWBm3EfcN6205-IWaGZaa/IR?dl=0 Quote Link to comment Share on other sites More sharing options...
Chuck_R Posted April 21, 2016 Share Posted April 21, 2016 They are excellent! Thanks! 1 Quote Link to comment Share on other sites More sharing options...
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