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Yamaha AW4416 Low Battery Real Time Clock Replacement The Yamaha AW4416 home studio is a compact all in one mixer and recording solution for the home musician. Despite being an older digital audio console it’s high sampling rate and flexibility still makes it popular today to record with. What Is […]
TransAtlantic TA-30 Reverb and FX noise Mod (official Mesa) As an official Mesa warranty centre we have access to current production and historic service manuals including service bulletins and recommended factory updates. The Mesa / Boogie TransAtlantic TA-30 is a great little head, with it’s clean simple design and dual […]
Fender Amplifier Repair We see many Fender amplifiers in for repair. Why so many do you ask? Are they more problematic than other brands? Do they have inherent “common faults” (as reported by forums)(you can read about our view on forums here…). No, we generally Fix more Fender amps […]
What is a Microphonic Valve https://sickamps.com/wp-content/uploads/2018/12/microphonic-valve-example.mp4 This is a really clear example of two output valves exhibiting microphonic properties. The left is worse than right. A simple tap on the side with a pencil or finger will expose any vibrations which are likely to cause a nuisance. The technical details […]
Orange Glow From Valve But No Sound? The Valve Is OK – Right? Unfortunately the orange glow is just the heater element. It’s often impossible to tell if a valve is working by simply looking at it. There are some exceptions however and I will explain below. The humble electron […]
If either the protect light has come on or the sound is not coming out of an amp can be a multitude of faults. We always say to people who call us up and say this to us and ask how much it will be that is is like calling […]
Crackle, intermittent sound when turning knob / Pot If you turn the dial on your guitar amp and it crackles, sounds like old TV static or you lose sound or it jumps full volumen the chances are your pots may be worn or dirty. Inside of a guitar pot […]
There are repairs we do all the time for amplifiers, these include sorting out crackles from dry joints on PCBs, excessive humming, broken jack inputs, output valve rebiasing and replacing broken valves, crackling or not working pots and controls. More complicated repairs are when there has been a fire in […]
Sickamps Ltd
Unit 66 Greenway Business Centre,
Harlow Business Park
Harlow, Essex, CM19 5QE
(Visits by appointment only)