Blackstar HT40 constant noise

[gandaralf]

Hello!, here my message in the bottle

My amp sadly start doing constant noise, -independent of any volume level -, just a low freq hum that stops...

[stevenrb718]

Got a Bugera 333XL Infinium that powers up but doesn't produce any sound. After a short time all 4 of the tube indicator LEDs on the back light up. Anybody...

[zboblitt]

I have the original version of the Carvin V3 Head. I believe it's power transformer went out because I measure 5 ohms between hot and return of the IEC when...

[KM22]

Hi Folks,

Trying to fix up a WT-1000 with one noisy / blown channel. Can get signal through to speaker but no real gain and all distorted....

[martinb1990]

Sorry for posting on here, if this doesn't belong here or you feel like it should be moved/removed please do so and I apologize in advance. I'm only posting...

[robrob]

The 1963 Fender AB763 blackface Vibroverb is my favorite amp of all time. It will be forever linked to Stevie Ray Vaughan's amazing tone but building a blackface...

[marc9889]

I have a noisy / buzzy / hissy sound coming from my Randall RRM 2-80 power amp. It's loud enough to be obnoxious, and definitely didn't come that way from...

[dumper]

Hi there,

I've just rewired my 4x12 cab to become two 2x12s to accommodate for a new (old) Montgomery Ward head. One pair of speakers is playing...

[Joe Picker]

I've had this little amp for years and finally dug it out of the pile and started playing it. Good tone, cool tremolo. What the heck is it? Image:
...

[Jiriho]

I recently bought a brand new VOX AC4TV full tube amplifier 3 days ago. Since then the amp has been working great, however, today I hooked up a Joyo overdrive...

[khjng]

Yesterday, I found out that my amplifier Kustom Contender doesn't work...

When I turn on I hear something hit sound as usual when it is turned...

[nuromantix]

My JC-50 (older rev) is making loud whooshing & crackling noises constantly.

The noises are not affected by the tone controls or effects...

[Afroman]

Hi,

I just uploaded my tutorial video on how to use an LM386 to build a simple ~1 watt mono amp circuit. Figured you guys might be interested...

[Chodrick1]

I have a stock Mojotone 5E3 kit that I've assembled. It plays fine, but it's very, very clean. All headroom and no distortion. I can turn volumes and tone...

[Dayebreak]

Hey , so I've been having this issue with my amp. It's there at all volumes, but really only noticeable when you turn it up. It sounds like the background...

[nikos]

Hello guys.
I have an Ibanez TBX15R amplifier.
I had the guitar's output cable attached to my aplifier. Then, an object fell on the
...

[caverat]

Need schematic for Fender Champion 40. NOTE: This is a new amp, not the original series from Fender. This amp uses a switch mode power supply and IC Output....

[caverat]

I need a schematic of a Baldwin C2 Amplifier. ( Mine does not have the extra push button panel) In particular, I am interested in the tremelo circuit and...

[caverat]

I searched the Crate site and what comes up is a fixed bias amp with speakers (Mine is just the head) . It also appears to have cathode bias with 4 EL84...

[acvegas]

Would anyone out their would happen to know the Carver M1.5T Power Output Transistor (TO-3 Metal Can Package) actual part number(s)?

[ZDL]

The popular Percolator 2W tube guitar amp is now available as a 1x8 Combo, shipping May 1, 2015. It's on SALE thru April 30, 2015 from Zeppelin Design La...