Under the notes,there is an unpleasant,vibrating, crackling white noise type sound. I didnt get a chance to test it out my fault, but its so hissy with an occasional snap crackle pop that its sitting in the back of a closet somewhere. Yesterday i got the exact same buzzing noise everyone that posted above me seemed to have. From my experiences with tube amps, if the crackling is random, it could be a preamp tube or two. Blues jr making really weird static hiss crackling noise like the title says.
It only has a two controls, volume and master tone. I bought it used about a month ago and everything was awesome with it until the other day when i recorded with it. Old 200 fender automatic that cries quite beautifully in its own albiet, solid state right. A a hi jeff, i own a fender blues junior and recently had to replace a fuse because it blew and the amp wasnt powering up. How to repair noise fender blues jr el84 tube guitar combo amp dlab duration. In a vintage fender amp tweed disease can cause this unwanted noise to spoil your tone. I got my blues junior nos from my 25r about three months ago and loved it. About a month ago, it started making this sickening popping noise that made it unplayable. Anyway i have a blues jr on the bench that is making some crackling noises through the speaker. Please feel free to contact me if you have any questions.
I just bought tungsols for power and jjs for the preamp in my blues junior. However, the bias level itself isnt making the crackling noise. I had a chance to test the jensen ck12 with my blues junior a number of years ago. Ive noticed that when i have the master volume at 4 or above i never have it past 6 i get a rattle noise when playing. Shop for the fender blues junior lacquered tweed 15w 1x12 combo and receive. I had volume and master turned all the way down and it was hissing and the odd crackling noise as well. May 22, 2016 firstly the pro junior iii is an even smallersimpler amp than the blues junior iii. Blues jr nos no power fender stratocaster guitar forum. I own a fender blues junior, which is a great little amplifier. At times it does, at times it doesnt but starts after a while. But its sounds more like it could be your power tube sockets. Blues jr making really weird statichisscrackling noise. The blues junior is widely known for running the tubes hot and, in some cases, shortening their lives unnecessarily. Dec 16, 2008 a stressed screen grid resistor can definitely cause crackling noises to occur.
Fender blues junior lacquered tweed 15w 1x12 combo guitar. Fender blues jr diagnosing noise issues part 2 youtube. For a replacement check out the rivera clubster 25. Not getting the most out of your blues junior, then try this trick amp fender blues junior iii tweed bandcamp. Feb 21, 2014 strange static like crackle coming through my blues junior. Discussion in amps and cabs started by jimtaka, may 21. Working guitarists everywhere prize nofrills hot rod amps for their great volume, reliability, responsiveness to effects pedals, and affordability. No noticable issues with sound while playing, but a dinging sound when tube tapped tube has been working fine in a different amp for a while. Weird popping noise and the even more noise ultimate guitar.
How to repair noise fender blues jr el84 tube guitar combo amp d. It seems the crackling is worse the higher i set the line or. Just recently i replaced the tubes with some electro harmonix and i noticed that after the amp turns on it makes a crackling static noise through the speaker. Fender blues junior buzz noise not tubes i have significant noise buzzing that changes with volume or master control, on my new used blues junior. It is aimed at achieving the warm, tubedriven tone common in many styles of american blues and blues rock dating back to the 1950s, while remaining both portable and affordable. Cracklingsputtering noise from fender hot rod deville. The blues junior punches through but doesnt dominate, maybe it doesnt fill out the sound of the band as much but it sits in the mix better, its focused. Again, this reminds you of how well thought out and versatile the fender blues junior iii is, as you can have the best of both worlds by just micing it andor running it through. I input volume or gain in some prefer would be set at 4 also. The blues junior iii is a longtime 15watt favorite with warm tone ideal for the goanywhere guitarist who needs to hit the stage or studio at a moments notice, with great sound and versatile.
Ive had this happen on a couple of amps, where a capacitor came loose and the vibration of loud notes made a loud crackle. Been having slow crackling white noise and ground hum that gets louder and louder, and if. Loose tubes in the sockets are the number one cause of problems in those amps. The amp is making a very loud crackling noise, and the inside of the valve is arcing with a purple glow. The to20 improves the tone across the board, but since there are other tonelimiting factors in the excelsior, its not as big a hit as you get in a blues junior. I own a fender blues junior and recently had to replace a fuse because it blew and the amp wasnt powering up. This amp has no rectifier tube so dont go looking for it. If nothing is plugged in, there is no noise, but plug in a cable, with or without a guitar on the other end, and the noise is significant when the volume or master are set at 3 or 4 or more. Blues junior settings with ascending volume values description posted by rever b maste r middl e bas s trebl e fa t vol.
The 8 best speakers for fender blues junior and why. Does a crackling sound mean a power tube is going bad. Fender blues junior guitar amp crackling issue calling out. If the crackling coincides with playing, playing loud, or smacking the top of the amp, its a bad solder joint.
What about the blues junior is so different from the vintage 50s and 60s. I bought a used 90s blues junior on craigslist a couple of months ago, and it was working perfectly until about a month ago when it started buzzing really loudly all of a sudden. Fender 68 custom deluxe reverb common problems and fixes. I brought it back after two weeks, the gc salesman put me in the sound room. This is a lower watt speaker but it really makes the fender blues junior come alive. Can someone give me an idea what might be causing this. I will phone the shop later today, but the problem is the shop is 250 miles away. So this is the crackling i am hearing through my ox box from my fender blues jr. It cant hurt to try new tubes but if the problem persists with new tubes have a technician check the sockets. As this is an intermittent crackling issueit was a long and insane ride of painful investigation.
A place for tone seekers to discuss tube amps and analog goodies. This blues junior had been making a lot of noise lately. If playing the neck pickup only, rubbing the pickguard below the pickup with the tip of a finger produces the noise but will dissipate as the finger. The blues junior, like most tube amps, buzzes a little bit. For a while now,as well,i have been hearing a subtle whistling sound that sounds like a microphone faintly feeding back. Anyway since the time i posted re this problem, i picked up my strat today and the problem came back and much worse. Tubes were shot, microphonic, running hot, hum, hiss, pops, you name it. The blues junior is a tube guitar amplifier introduced in 1990 by the fender musical instrument corporation. Its a simple job to resolder the joints with a little fresh solder. The net force is composed of three components which can correspond to physical attributes of any crackling noise system.
You should always have a good set of tubes in your amp. Blues jr making really weird statichisscrackling noise like the title says. Static noise when playing low b notes, crackle when tube tapped sovtek 12ax7 from vox amp. I took the tubes out, and turned the amp on and i can still hear that damn noise when i turn the amp on. Preamp tubes, on the other hand, will generally either become microphonic and make high pitched ringing or squealing noises, or will emit noises such as crackling and popping during idling. Jul 22, 2009 amp diy gear ask amp man diy amps howtos repair august 2009 tube combo fender. Well people i will put my hand up and say that i have misdiagnosed my blues junior crackling noise problem after all. The hiss is intermittent, and changes in frequency and volume. It has recently developed a popping, crackling sound when warmed upeven when there. Fender forums view topic blues junior, is it supposed to. It could just be your input jack, its made of plastic. My brother also owns one and i had to solder the sockets back in place because it would get this nasty crackling noise.
There isnt any hum or oscillation or anything like that. Discussion in amps and cabs started by jimtaka, may 21, 2010. I have been getting a crackling sound from my blues jr when playing chords or sliding, with the lows up, when i bought it used i was told it had a newer set of jjs in it, so i dont know that the tubes are the culprit, i really appreciate any help you guys can give me. If you go through all the preamp tubes and still have noise you will need to purchase a new set of output tubes and install them. Ive had several blues and pro juniors and they all made weird noises on occasion. How much buzzinghumming is normal with blues junior. Fender blues junior iii is hissingpoppingcrackling. This reduces the chance for noise and crackling as well as provides the best sound and reliability. The 1 reason for a blown fuse is a bad power tube, but these amps have also been known to have there output transformer go south due to a failed output tube and or the circuit board traces around the outputs burn up due to bad solder connections on the output tube to board mounting points. Fender blues junior buzz noise not tubes gearslutz. No noticable issues with sound while playing, no sound when tube tapped mesa 12ax7. However, mine is making a crackling noise and a high squeal may 11, 201256 secuploaded by neal zetektalking about the horrendous poppingcrackling sound when i play.
To my limited knowledge it looks like the valve has gone but the issue is why is it gone after only a few hours use since repair. The issue actually is that the bias voltage is too low in an absolute value sense. This is a huge upgrade over the stock blues jr speaker. They use a special chickenhead knob to stabilize the shaft and prevent breakage.
Hi, today i tried a blues jr, actually it was a texas red. Squier classic vibe 50s coleman tent trailer roof cracks so in the last few weeks my blues jr. Ive always noticed a drop in volume when tubes are going bad. When i max all the controls i can barely get any volume out of the amp. Contacted fender and they sent me to an authorized service center. If noise goes away the tube you pulled is bad and can be discarded.
The problem with this guy were the solder joints on the power tube sockets. My shop is located at 1 executive dr unit l toms river, nj 08755 please feel free to email me if you have any questions or are in need of some tech work. Ive read and ill probably butcher the explanation that its improper voltage going to the output tubes. Raised the screen resistance from 1oor 12watt to 500r1watt.
Ive had a fender blues junior tube amp for the last 5 years. If the level of the noise is controllable in any way by the setting of the volume or tone controls, then theres a good chance that the symptom is caused by a preamp tube and not an output tube. Fender blues junior iii 1x12 15watt tube combo amp lacquered. Fender blues junior buzz noise not tubes i have read most of the things here and am going to try the things i see that say they are for the pro, despite mine being a blues jr. I dont have much experience troubleshooting amps, as ive had very good luck with all of mine, until just recently. I had the volume down real low but the crackling was very loud. I dont have anything plugged into the amp and it just keeps popping. Note s texas blues ramon 4 2 5 10 11 in 3 blues 2 doug 4 5 5 7 6 in 3 roadhouse clean jesper hansen 4 7.
I tried moving the tubes around positions and all, gonna try buying new ones soon, but it just changed the hiss to more of a crackle. Amps i auditioned 65 drri, vox ac4, 15, 30, fender blues jr tweed, blues jr, blues deluxe, supersonic 22w. A junior sounds okay but if i could not build amps that sound better than a blues junior i would be doing something else. The blues junior is a good choice for someone trying to get their first tube amp but it not a professionals amp by any stretch. The single coil pickups are going to contribute to buzz, more than noiseless or humbuckers would. The second component is a force that is dependent on the sum of the states of neighbouring cells s and the third is a random component r scaled by x 8. I have had this intermittent problem with my amp where it would crackle only when sound is coming through the speaker. I hope this helps some of you with any crackling noise related issues. Problem with fender blues jr amp by wheelisb tue may 21, 20 1. The power indicator lamp on the control panel lights, preamp and power tubes all glow, but no sound at all.
I also didnt want a vintage amp that needed work and therefore pushed the price way too high. I have significant noise buzzing that changes with volume or master control, on my new used blues junior. A replacement fixed that problem, but another arose. The amp crackles and pops when you pick or strum hard, and occasionally when i play, all of the signal cuts out and it starts buzzing deafeningly loud. The blues junior has always held a certain quality that attracts me. Fender blues junior guitar amp crackling issue calling. There needs to be a greater negative voltage to bias the output tubes more reasonably.
There are many amp techs who offer mods aimed at changing the bias, cooling the power tubes and extending their lives usually with no detrimental effect on sound. Although still 15w, the pro junior iii only has an 10inch speaker, so it doesnt have the headroom or projection of the blues junior iii and therefore isnt feasible with a full band unless miced. Irritatingly on my brand new mij vintage style 60s, rubbing the tip of my fingers on the pickguard produces static crackling noise. Why a fender blues junior does not sound like a vintage. Bad idea and the fix the blues junior and pro junior have plasticshaft potentiometers that are soldered to the board, but do not attach to the face plate with a nut. On a vintage amp intermittent crackling can be caused by a few different things. Some amps have a bias hum adjustment which balances the power tubes to reduce buzz. Im not sure which form is the right one for this question, but lately i get this weird popping sound coming from my amp and then a few seconds late a. Vintage or new, boutique or not, lets talk about the sweet tone makers. I purchased a fender blues junior about two months ago and have been gigging steadily with it about 5 nights a week. Its one of the prices you pay for the toohot bias on the blues junior expansion and contraction causes the solder to crack and arcing to occur. As a side note, this is one reason to overbuild amps.