Crate RFX65 solid state guitar amp has power but no sound
I had my amp turned up fairly loud on the clean channel with a coupleof pedals running into it. And I started to notice a very distinctpopping sound every time I plucked the strings. Then all of the suddenmy amp just stopped producing sound. At first I thought maybe I knockeda jack loose or something, but after powering of my amp reconnectingall plugs I still get no sound. The only things that are audible is thesound of the jack being plugged into the amp, and the hum of thespeaker itself. I unplugged my guitar and all of my pedals and triedthem in another amp and everything works fine. Any help would be much appreciated.
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Re: Crate RFX65 solid state guitar amp has power but no...
Sounds like you blew an output transistor < take your amp to a electronics repair shop, diagnosis is usually free....and ask them to call you with an estimate before repair because it might be cheaper to buy a new amp...because from here i cant tell how many you have or need to replace...
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Re: Crate RFX65 solid state guitar amp has power but no...
Sounds like the amp has developed a problem. If you had it LOUD then you may have popped a speaker or an output stage. You say it still makes the plugging in noise, what happens when you touch the end of the jack lead whilst plugged into the amp. do you get a burst of clean hum?
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That is probably a momentary switch that is dirty and sticking. These onboard effects on guitar amps are usually nothing more than a computer sound card and I've found bad connections going to and from them as well. I do think that switch is dirty and sticking, though.
This is because your clean channel only runs through the pre-amp section, requiring an increased volume level to match that of the volume of the drive section which is overdriven by the pre-amp circuit. my suggestion is to use lower volume level on the clean channel of the amp. To get any volume boost you may need to match the two channels you could use a signal/volume booster or overdrive pedal between your guitar and amp input, switching it off and back on when you switch back and forth between channels.
I also have this issue. Same crate combo amp. There is a loud buzz emitted only when there is a cable plugged in. Cables and instruments checked good, only possible issue is inside the input of the amp. Popped it open, solders and connections were intact and appeared solid. Anyone have a guess as to why this is happening?
I have the Boss ME 50. Here's things to try. Use wall outlet to power the 25 instead of batteries. Have volume on amp up, volume on pedal all the way up, volume pedal all the way up(depressed), no gain on amp(use clean channel or clean setting if only 1 channel)effects on amp off(reverb, chorus, delay, boost, etc.) mid range knob below 5. only 1 pickup on, guitar tone knob all the way towards treble. If this puts you in the ballpark you can then make slight tweaks to any of these settings. What we're trying to do is not run a dirty sound from the pedal board into an amp with dirty settings. That double dirt often causes a muddy sound. Aside from that you can back off on various effects in the patches. My 50 has a list of the patches and factory settings, so if the drive, for example is set on 8, I might back it off to 4, or the compressor, or the delay, etc. If you like the sound save it. If not continue on. Start with the amp 1st. Higher output tubes(such as JJ's produce a cleaner sound. Also the demo you heard was not coming from your guitar speaker which may not be on the clean side.
Well if you want goo dpinch harmonics to squeal you need a decent amount of gain and good pickups. What guitar are you using, some lower model passive pickups have bad frequency response when you try to do pinch harmonics. If you have decent pickups I would say get a higher gain preamp and just run the amp on the clean channel. There a re tube preamp pedals out there that have masaive amounts of gain and they are reasonably priced. There are also so good amps out there for a decent price like the 6550 from peavey. I have a 5150 block letter and that thing can produce good pinch harmonics along with my EMGs. Good luck man, oh and there is nothing wrong with your amp, it is just time to move on. There is only so much you can do with solid state amplifiers in my opinion.
turn that ****** on and get a can of freeze spray. coming and going type issues is usually related to a failing electrolytic capacitor. there may also be a bad mosfet, rectifier, diode, etc. i would be suspect to caps. schematics probably only available thru crate and you have to pay a couple bucks, but trust me its worth the couple bucks spent and having it on its way than wasting hours online not getting anywhere. by the way i checked my sources and came up with nada. yostamplifier.com