Is There A Way To Add An Effects Loop To An Amp..., that doesnt have one? |
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Jan 25 2009, 06:29 PM
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I think it is possible to do,
needs some great knowledge about engineering but can be done, I think.  Just a thought, does it have power amp/ preamp in and out? This post has been edited by Muris Varajic: Jan 25 2009, 06:39 PM -------------------- Youtube
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Jan 25 2009, 06:43 PM
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I had the same problem too when i had a Vox amp.
My solution to the problem was to get a Tonebone Bigshot stompbox, it lets you turn on and off a seperate fx-loop. It's not exactly the same thing, but it worked for my needs. You can also use that box as an ampswitcher. It's a cool gadget really that doesnt require a battery or powersupply. Modding the actual amp sounds a bit drastic to me. This post has been edited by Trond Vold: Jan 25 2009, 06:44 PM -------------------- Guitars: Schecter Stiletto Classic, Jackson SLSMG, Ibanez RG-380 Japan, Gibson Les Paul Studio
Amp: Marshall JMP-1 -> Rocktron Velocity 100 -> Marshall JCM-900 Lead 4x12 FX and stomps: T.C Electronics G-Sharp, Korg SDD-1200, Emma Transmorgrifier, BYOC Tribooster, GGG Green Ringer, Dinosaur Overdrive, Voodoo Lab SuperFuzz, Sovtek Bassballs, Line6 Tap Tremolo, EHX Screaming Bird. ___________________________________________________ My Lessons! My Instructor Board! My Myspace! |
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Jan 25 2009, 06:45 PM
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Radial (the fx pedals company) make a floor pedal called a Loopbone which provides two sets of send and returns. I'm pretty sure that Boss make one as well. The thinking here is to provide a stage where your pedals are taken out of the circuit when you don't want them so they don't suck your tone. However I think it's only a partial solution since the device will still sit in front of the amp's pre-amp rather then between the pre- and power amp stages.
There are a few boutique amp shops that offer to retro fit send and returns after the pre on some amps. So Muris is right that it can be done - how easy and how much it would cost though  .Cheers, Tony -------------------- Get your music professionally mastered by anl AES registered Mastering Engineer. Contact me for Audio Mastering Services and Advice and visit our website www.miromastering.com
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Jan 25 2009, 07:01 PM
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QUOTE (Marc_Maiden @ Jan 25 2009, 06:39 PM)  ah so it wouldnt be something a lutier could easily do huh? yeah, luthier or som, amp builder, real engineer. -------------------- Youtube
MySpace Website Album "Let It Out" on iTunes and CD Baby Check out my video lessons and instructor board! The Pianist tune is progress,check it out! "ok.. it is great.. :P have you myspace? Can i to personalize this for you guy?" |
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Jan 25 2009, 07:42 PM
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QUOTE (enforcer @ Jan 25 2009, 07:04 PM) Man, I think you want to add a real send/return to your amp by modifying your amp... Well it is possible but its very hard. That is not something that you or a luthier can easily do... You need to seperate pre amp and power amp levels of your amp and for that you need your amps schematics. Then you need to know exactly the output impedence of your preamp (theoretically same with the input impedence of your power amp) If they are compatible with stomp box safe level impedences (and that is generally not the case) you need to build 2 circuits yourself, to drop the input impedence before the send output and raise it to power amp impedence after the return input. And also you need to build a bypass circuit to disable fxloop... So as you see this is some job... Hope this is helpful! Yeah, that would be it, hard but possible.
-------------------- Youtube
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Jan 25 2009, 09:59 PM
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I agree with the rest of the guys regarding the loop. It can be done, but it is a complex job, and I wouldn't recommend it.
Regarding GR20, it is possible to connect to the amp. Just plug in the OUTPUT R (MONO) from GR20 to INPUT from Vox. -------------------- - Ivan's Video Chat Lesson Notes HERE
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Jan 25 2009, 11:13 PM
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I agree with the others, adding an FX loop is possible, but shouldn't be tried without some serious knowledge
-------------------- Gear:
-PRS Custom 22 -Edwards Les Paul -PodXT -Ibanez Acoustic Check out my lessons and my instructor profile! My Youtube channel My Last.FM |
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Jan 26 2009, 01:08 AM
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I would imagine that a job like this would end up costing you quite a lot of money and I mean hey, if something in this line would end up costing me like 30% of what I originally payed for the amp (or even more) I personally wouldn't even bother!
On top of that, big part of the reason I ended up buying my Vox was just that you had like most FX I use already on the amp! Also for Enforcer: These are the specifications on what inputs/outputs the amp has, I think he has the 50VT model! Input/output jacks: Top panel: 1 x INPUT Rear panel: 1 x FOOT SW jack, 1 x LINE/PHONE jack (AD50VT2-XL/AD100VT-XL only)EXTERNAL SPEAKER OUT jack x 1 (AD100VT-XL only) LOOP SEND jack x1, LOOP RETURN jack x 1 This post has been edited by Sigfridsson: Jan 26 2009, 01:14 AM -------------------- Guitars: ESP Eclipse I CTM Full Thickness, Ibanez RG470 with EMG81/85 pickups.
Amp: Vox Valvetronix AD50VT XL |
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