Questions tagged [electronics]

31 questions
22
votes
3 answers

What is a balanced input / output?

What does it mean when an input or output is balanced?
Willbill
6
votes
12 answers

Fixing low-frequency hum in an undersaddle acoustic guitar pickup

I have an acoustic guitar - a Cort MR750 dreadnought, from about 1998 - with a Fishman pickup system that came pre-installed in the guitar. I haven't been able to identify the type of pickup or preamp, although I have emailed both Fishman and Cort…
Goodbye Stack Exchange
  • 1,641
  • 3
  • 12
  • 23
5
votes
1 answer

What causes a buzzing that goes away when I touch the jack?

I'm sure this is a "ground" issue, but I'd really like to better understand what's going on. I have a bass guitar plugged into the "instrument input" on my interface (ART TubeFire 8). When I monitor that channel, I hear a buzzing sound that goes…
harpo
2
votes
1 answer

Furman Power Conditioners: Good/safe to use as a surge protector?

I currently have a fairly simple studio setup here consisting of a Presonus Firepod, a Blue Robbie Tube-Mic Preamp, and a Furman M-8 Power Conditioner. As far as power is concerned, I essentially have the following: POWER -> SURGE-PROTECTOR ->…
Naftuli Tzvi Kay
2
votes
1 answer

Amplifier Circuitry

I have in my bench a couple of BlueSky satellites (Mk1 of their pm3 THX certified series) that constantly blow BOTH transistors :S. I'm not really sure how to even start looking for the problem elsewhere. The unit stopped working and was blowing…
jlebre