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I just got a Pete Ultra in a trade but it seems to not be working right. It works at very low volumes but when I turn it up, it only makes a loud buzzy screech. I put my Ultra XL in the amp, an RM20, and it worked perfect. I put the XL preamp tubes in the Pete Ultra and it still had the same...

I'm trying to figure out which preamp tube in my RM20 head is the PI position. There are 3 preamp tubes that are in a triangular configuration. As I recall, two of the tubes are towards the rear of the amp and one is towards the front. I would usually assume the PI is the one furthest from the...

I recently had a miscommunication with forum member mattmcmetal in which I was to buy a module from him but he ended up selling it to someone else. Mattmcmetal felt bad about what had happened and to show this he sold me his Super V module for an insanely low price. I received the module today...

I have an UltraXL module and get some awesome metal tone from it. It needs nothing. Sometimes I'll use my MXR EQ in the loop with it. It seems almost everyone here is unsatisfied with anything unmodded. I feel if you cant get the EQ or level of gain you want out of an amp with the help of an...

I have read there are a few different versions of the UltraXL. I would like to know about these and the differences between them. Mine has a chrome face with the wording in white on a black stripe. I was trying to determine the value of the C3 cap. The module sound pretty tight to me. The C3...

I just scored an RM20 head with an Ultra XL module today. I really like it so far. I have one question for RM20 users. When using the gain boost, do you crank up the module level and use the boost level as your volume control or do you do something else? While playing at home, I had the module...

I have two orange capacitors. Each has two rows of numbers. The first row on both read: 715P600V One of them reads the following in the second row: 102J 0412 The other reads: 102J 0610 What's the difference between these capacitors. Which if either, would give a tighter low end response...

I am selling my RM50 that I bought from HDrockstar. It can be viewed at Harmony Central where I have been a member since 2005 and have solid references there. It has palomino tolex and is in perfect shape. Comes with 1086 and Modern. $800 shipped to conus...

I recently ordered a KH3 and 1086 from Musicians Friend for my new RM50 head. My plan was to compare them and decide which one I wanted to keep as my high gain channel. The first thing I noticed was the 1086 was much louder. I was a bit suprised by this. The 1086 with the channel volume on 3 (...

I must admitt I am a boost junkie. I pretty much always use some type of pedal with my amps wheter it be a BBe Green Screamer, SD-1, or even an MXR 10 band eq. I love the way they seem to tighten things up and improve the feel. How does the way my pedals affect the tone and feel of my amp...

Got the RM50 and have a couple questions. 1. There are 3 cables running from reverb tank. Two 1/4 jack cables and one with a tiny plug like a boss pedal adapter. Where do theese plug in? I assume the 1/4 jacks plug into one of the loops but, wich one? 2. Which loop should I use for my MXR 10...

I thought it would be great if there was a module review section here. Something similar to the HC user reviews. There is a lot of good info. to be found here but, it takes a lot of filtering through threads to find what you really want. I think a review section would go over really well.

Hey everyone, Just bought an RM50 palamino head from hdrockstar. Should arrive via Fed Ex on Friday. Ordered a KH3 and 1086 from MF to try first. I'm can't wait to try this amp. I've wanted one since they came out. If it is all I hope it is, I will probably sell my Rivera K-TRE. I love the...