Rat Mod Blues Junior, Much more bass, a lot more brightness, and far more usable tone controls with more available gain. Since it changes the output tube bias, it also has a subtle distortion effect that varies with the depth control. The mods that I find most effective for improving the tone of the Blues Junior are the tone stack, TwinStack, power supply stiffening Twin mid frequency mod; Bill M tone stack mod; Adjustable bias pot. Consider a low-efficiency speaker or attenuator for volume reduction, and explore preamp tube swaps like 12at7 or 12au7 for less gain. Looks like the Blues Jr is more the Marshall stack with some values changed. 15:25. Basically, if you can get a better bass response out of it, I'm still a big fan of the RAT pedals. Could also cool the amp down as a Fender Blues Jr USA Mod Kit: step-by-step installation instructions, 47 steps, with the parts list. It turned out to be a version 4. Yet still Getting the most out of a mid budget priced amp like the Fender Blues Junior Mk2 is not all that difficult even to a neanderthal guitarist Here are the ways to prevent/correct common failure modes in the Blues Junior while keeping the sound that you like. Last night I installed the BillM bias mod, the tonestack mod, the green board reverb mod, and the increased filter mod on my stock Blues Junior. Also, I really dug fenders new blues junior look so I did it on my last build ,, I think it makes it sound better too 🥴 Fender Blues Jr Blues Tone Demo with Single Coils and Humbuckers! Corey Congilio. The differences are very, very noticeable. Replaced C1 and C4. I think new production Blues Jr's are cathode biased, but I think the old ones are fixed, non-adjustable bias. you can get nice high gain tone and Cool little program. This mod enables you to take all the mids out of the tone allowing more flexibility and versatility. From Fromel Electronics, Seattle. ). The modded amp is definitely a little "chunkier" at high volumes, and has a bit more gain and overdrive. I also removed C2 and replaced C4 with a 250 μF electrolytic capacitor. Removed C3 (Bright cap) Twin Mod on the Mid pot. The customer bought this amp thinking it was a Blues Junior 3. This amp was used in most of the videos at TXBA Voici un Fender Blues Junior tout mignon ! Ca sonne plutôt bien en standard, mais voyons si nous pouvons améliorer tout ça !. This was most noticable when it was really cranked. C3 on the Blues Jr is the Fender Bright cap. Every tone-critical cap is upgraded with high-quality MOD Filter Caps and top shelf components chosen for tone, reliability, and an exact fit in your Blues Jr. I have recapped (C25-28) the amp so far with F&T caps. This is accomplished with just a short jumper wire on pins Your Fender Blues Junior can be rebuilt into a boutique quality hand wired amp! Carl's Custom Amps will turn your Pro Junior or Blues Junior into true tone Fender Blues Junior Four Limited Edition. Deep mid-scoop means deep bass http://reverb. com/?query=lovepedal&utm_source=gearmandude Reverb is THE buying and selling source for all things new/used/vintage guitar and It is unique in it's smooth, round modulation. The Blues Jr was made to distort, but you can still have it play clean, loud enough for most jazz applications. MOD reverb pan The Fender Blues Junior Lacquered Tweed 1x12 Combo is an beauty with its vintage character, modern build and great price. These mods collectively improved the bass response of the preamp. One could dare say, this is the sickest Blues Junior you could ever play. -mods-review A review of a Tweed Blues Junior modded by Bill Machrone (Bill M. blues-jr. 9nw3zk, 2cs, mbbm, bfb2pt, h6zos, dckqml, vxt8, mtiq, ybww5, 4pn,