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  1. C

    I got think the wiring on my OT may be correct, but...

    I'm sorry, yes it is an RM50 and I did ohm it out and as is it read just what it would read if wired correctly. It's just confusing when your schematic has orange at 4 ohms, the schematic I got from us music has blk at 4 ohms, and my amp has yellow. Colors don't seem to be the deciding factor...
  2. C

    I got think the wiring on my OT may be correct, but...

    Oh, and in my amp blk is grnd. On the schematic blk is 4 ohms and there is no mention of orange.
  3. C

    I got think the wiring on my OT may be correct, but...

    The colors can be switched and still be right. It depends. First, what color are the outsides to get the full 16 ohms. These could be reversed and still be correct. The 4 and 8 taps I'm not sure about. I just got a schematic and the 16 is green, the 8 is yellow, and the black is 4 ohms, that's...
  4. C

    Just got my RM50 and it didn't work...

    It's kind of funny, you have the schematic and never opened the amp and I have spent the better part of a week trying to trace the circuit, blind. Well I have some good news, I did retrace what you just said. I checked every connection, even took the boards out again. I knew it was right, but...
  5. C

    Just got my RM50 and it didn't work...

    Your close... real close. The impedance selector connection was just a bad solder joint that went possibly during shipping. The popping sound I suspect is either a plate resistor or a coupler cap. I was tapping on these with a pencil eraser to see if I could find the culprit, and one of the...
  6. C

    Just got my RM50 and it didn't work...

    Baaad transactions with chasing shadows.
  7. C

    Just got my RM50 and it didn't work...

    Yup, it's used, from a seller who suckers people to get what he wants. There is no way he wasn't aware of this problem. You would have to be deaf to not hear it. Funny thing is I emailed him to thank him before I really tried the head-- Trust? He must be laughing it up counting my money. Buyer...
  8. C

    Just got my RM50 and it didn't work...

    javascript:emoticon(':evil:') Evil or Very Mad I pulled the chassis and after a thorough inspection found a bad connection on the impedance switch. So I thought, cool, that's it. Well, no. The amp also makes a crackling, popping sound. It is not that loud but is very noticeable. I could never...
  9. C

    Rm50 loop prob...

    Did any Boss pedals work in your loop?
  10. C

    Rm50 loop prob...

    I have a boss DD3 and from what I've heard it's designed for instrument level (-10db) and the loop is +4db. How can I get it to work right In the loop?
  11. C

    Just got a Blackface and...

    The Blackface board layout PDF is for a 2000' version board and it doesn't look like my 2004 Blackface. Has anyone compared the board layout of any new mods to the older ones?
  12. C

    Just got a Blackface and...

    My PCB layout doesn't look the same as Randalls layout on the Grail Tone site although, the Grail Tone board is dated 4 yrs earlier than mine and mine is marked revision B. Still I was just surprised to see how different they were. It looks like a lot of stuff is gone. Is the Rev B on the...
  13. C

    WTB Blackface mod.

    If you got one and you want to sell it... <[email protected]>
  14. C

    F.S. five MR Scary skull knobs...

    They go for $9.97 each on the Randall site (around $40). Will sell for $25, just enough to pay for my shipping costs and a set of regular knobs. email me at <[email protected]> If you like skull knobs, for cheap.
  15. C

    where to get knobs for mods.?

    Just got a Mr Scary and ain't into the skull knobs. I need some regular knobs that I can see where they are set and don't hit each other. Great mod. BTW. Sweetwater has them for $199.97 W/free shipping. :D
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