Tech-ees! I need your help!
Hello Tech-savvy TB'rs,
I need a couple of questions answered asap before a gig I have this Wed:
1) My Eden Roadrunner head (yeah we're going old-school here) has been going out on me in the middle of gigs. It will start cutting in and out, with increasing frequency until it's pretty much dead. If left alone, it will recover and play for a few minutes, until the problem starts all over again. I checked the fan to make sure it's working, in the case that it was just over-heating. It is working, and today it cut out in a very mild temperature controlled climate. I love this amp...as heavy and old school as it is. Anyone have an idea what might be going on?
2) As I have a gig this Wed, and have been planning on getting a more travel-friendly head, I am looking at the Little Mark (500w). The cabinet I've been using is an older Eden 1X15" (200w, 8 ohms) and I am planning on buying the Eden 1X12 (300w, 8 ohms) for small gigs, and a 4X10 bigger. So the question is this -- If I plug into both cabinets, the wattage of the cabs combined will exceed the Little Mark head. I've been told your cabinets should never be a higher wattage than the brain. Will I be running into any issues here if I run a 500w head through two cabs whose total wattage exceeds 500? (I had no problems with this in my earlier days when I used a 4X10 combined with a 1X15.)
3) Has anyone tried that little Eden 1X12 (300)? The one without the horn. I love the sound of Eden speakers and am assuming this will be an effective small gig amp/monitor. Any reviews?
Well my wife is now standing next to me...I'm late for our date. :smug:
Looking forward to your answers. Thanks everyone!
1. My Eden head had faulty temperature sensors causing it to trip off when it wasn't hot. Eden repaired it and now it runs fine.
2. You will not hurt your cabs by "underpowering" them. It's the same thing as running them with a "full size" amplifier and turning the gain down.
There was a problem with some of the WT800's. My WT400 had the same construction issue but never failied me. The symptom would be the pre-amp cutting out after a temperature increase.
Truthfully, I don't think this is the issue for your Roadrunner but it wouldn't be too hard for you to open it up and take a look for the Power dropping resisters and check for a blackened area around them.
Here's a link to the same mod I did on my WT400:
The first thing I'd do is put a new tube in it.
Guys thank you for the help. Appreciate it the quick feedback.
Here's what I got so far in response --
Opened the thing up, doesn't appear to be any burn marks or anything unusual. Hmm...
If Eden does repairs I think I'll look into that. May send them my story and pics tonight.
Munjibunga, can you explain the tube replacement idea, as to why that might be the issue? Also, sounds like you're local (SD). Know anyone who does amp repair?
that's like saying if your car tires can take 120 mph you should never drive at 55!
Munjibunga, sounds like a reasonable suggestion. I just took the tube out, will see about buying one online. Couldn't hurt at least.
Thank you again guys! If anyone else has some info, let it fly. But sounds like you all got me off to a good start in trouble shooting this thing.
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