For questions relating to electrical sub-systems of many common musical instruments, as well as to aspects of professional audio amplification.

learn more… | top users | synonyms

3
votes
3answers
323 views

Buying a guitar amplifier from another country

A while back (before stackexchange) I read that it's not recommended to buy an amplifier from a country with different electricity (110v 50hz vs 220 60hz) because the circuits will create a different ...
5
votes
4answers
2k views

Bad sound from amp

I get this really bad feedback sounding noise when I play stuff like this, from the beginning of the Free Bird solo, shown in tab: 1 ----18---18---18--------- 2 -18---18---18--------- (All notes ...
6
votes
4answers
2k views

Why is my neck pickup quieter when playing with both pickups?

I have an Epiphone Les Paul and have noticed that when the pickup selector is set to both pickups, my guitar plays very softly from the neck pickup. When I play from the pickups separately the volume ...
3
votes
1answer
5k views

What is “vintage” wiring on a Les Paul?

What does "vintage" wiring on a Les Paul look like? How is it different from "modern" wiring? What are its advantages? Drawbacks?
14
votes
1answer
3k views

What is a “death cap” ?

I have often heard/read people mention a "death cap" when talking about older Fender amps. Is this a capacitor ? What does it do ? Why is it called the death cap ?
10
votes
1answer
783 views

Balanced triodes. Gimmick, or worth the money?

When purchasing tubes from some reputable dealers, I have noticed that you are given the option for balanced triodes--sometimes at a much higher price. How does a tube with balanced a triode effect ...
10
votes
2answers
2k views

Does a covering on a humbucker pickup make a difference?

I have seen a number of different pickup designs, like the ones in the image: Notice how some humbuckers have a covering, and what look like screw heads. Is this just style or do these different ...
8
votes
4answers
804 views

Hot guitar pickup

What does it mean when a guitar pickup is deemed "hot"?
3
votes
2answers
896 views

Visual Sound 1 Spot Power Supply Hum

I am using a Visual Sound 1 Spot power supply to power my pedal board. Every time I plug in my BOSS RC-2 to the power supply I get a hum. If I power the RC-2 with a battery the hum goes away. I have ...
5
votes
1answer
5k views

What is a piezo pickup and how does it differ to a common pickup?

I have heard of a piezo pickup used in some guitars, like John Petrucci's signature Music Man. What is a piezo pickup and how does it differ to a common pickup?
8
votes
2answers
1k views

What are Tone Pots / Potentiometers?

Can someone please explain to me what tone pots are, and how they affect the sound of a guitar? Thanks very much :)
7
votes
2answers
5k views

Silicon vs Germanium Fuzz

Hopefully without starting a holy war I would like to discuss the differences, electronically and sonically, of silicon and Germanium fuzz. This is inspired by my recent birthday present (my precious ...