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Title: HRM defeat switch question Post by: Django on December 18, 2017, 09:22:55 PM Hi everyone
I'm about to order my first ceriatone amp and I'm really excited! That said I'm torn between the hrm and non-hrm versions. From the clips I seem to like non-hrm better. But I also like the flexibility of the hrm... So Nik offered to install a HRM defeat switch. Can anyone tell me how close the HRM with defeat switch on will get to the non-hrm? Will I still get the creamy tones associated to OTS? Thanks for your help Cheers Title: Re: HRM defeat switch question Post by: gtto on January 05, 2018, 07:32:52 AM Yes. I have the setup.
Title: Re: HRM defeat switch question Post by: Django on January 13, 2018, 10:27:46 AM Ok thanks for your reply
Title: Re: HRM defeat switch question Post by: j0k3335 on February 02, 2018, 03:33:18 PM No. I have the setup.
To be more serious and complete : NO, you won't get the creamy usual overdrive of the ODS. From a REALLY different OD circuit ( not the same trimmers, not same caps and resistors, no snubbers, ... ) and ONLY the HRM trimmers stage remove (ok, it seems that Nik put a 4m7 resistor and a cap ) , you can't expect this sound !!! AND you get a HUGE bump of volume. Furthermore depending of the first stage ( I mean "the clean section" ), you have a high relation between these 2 stages to get this ODS creamy OD ! For example, with my Bluesmaster it's a "no way" : with the HRM, the OD is more "Marshall" Type, without the HRM, the OD stays more aggressive and less creamy than the ODS ( and my PAB that, if I understand well is the "megaPAB" ! ) BTW if someone can explain my a tweak to reduce this PAB ( a resistor change ? this only can modify it ? a small layout and explanation will be welcome ;)) Anyway , it's ALWAYS interesting to have it coz, the sound is different anyway : so, 2 options ;) Title: Re: HRM defeat switch question Post by: Django on February 04, 2018, 08:40:39 PM Hey
Thanks for taking the time to answer. I found a used HRM for a very good price just before ordering from Nik. I have very little information about it, I'm the third owner and the previous owner had no clue what it was. The only mods I've noticed is a push pull on the overdrive level, which sounds like a bright switch for the od channel. I just noticed a little togle switch behin the back plate, between two preamp tubes, I don't know what it does. I might have the hrm defeat mod done one day, but it's already a very versatile amp. I get all the cream I need, the kleinulator makes a world of difference here. Great great amp! Sorry I can't help you with your question Cheers Mat |