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0 votes
1 answer
113 views

Potentiometers for vocal mics

I want to mute the output of a wired headset mic so that when the power pack is turned on it doesn’t make a pop through the PA. I bought this little passive volume control, but with the volume fully ...
Nathan Kahn's user avatar
1 vote
2 answers
59 views

Is there a replacement or even upgrade possible for my worn out SM Audio Pro Passive Volume Controller?

I own a passive audio volume controller for my studio speakers. It is lightweight, small footprint and did do a great job until recently. Now the potentiometer seems to be completely worn out, there ...
marue's user avatar
  • 121
0 votes
1 answer
276 views

Why are there resistors after the potentiometers in a passive audio matrix mixer?

I'm going to build a passive matrix mixer using the information on this site and this schematic: This is the first time I have built any circuits, so I've been doing some research trying to work out ...
Rob's user avatar
  • 1
0 votes
0 answers
302 views

How to troubleshoot a potentiometer problem

I went over my league and started the Adafruit's PiGrrl Zero project, and then when succeeded, wanted to implement the audio amplifier add-on suggestions. Anyways, this morning, the audio amp's ...
Myoch's user avatar
  • 101
1 vote
1 answer
658 views

How does changing the volume pot value affect output power?

The diagram I'm following for a basic TDA7297 stereo audio amplifier specifies 50 kΩ for its volume control, but I only have 10 kΩ and 100 kΩ dual pots. If I use 100 kΩ I know I could halve it to 50 ...
Aram Alvarez's user avatar
1 vote
1 answer
49 views

Relationship between volume control position and signal voltage

Of course, it depends a lot on the taper of the volume control. I need to know how turning the volume knob affects signal voltage.
OutstandingBill's user avatar
0 votes
1 answer
108 views

Basic Variable Loundess Audio Amplifier

I am a beginner, looking to make an extremely basic variable loudness (gain) audio amplifier. I have a general idea of how a class A amplifier works, but I am not sure how to make one variable. This ...
mihkelr's user avatar
0 votes
2 answers
532 views

Volume Control - Logarithmic Potentiometer Placement

Thanks in advance! I am building an headphone amplifier with PCM1794A, OPA1612, and OPA1622. Where would be the best placement of the logarithmic potentiometer for volume control without decreasing ...
Guldberg's user avatar
0 votes
3 answers
240 views

Analog linear interpolation of AC signals

I have two AC signals in audio range \$V_1\$ and \$V_2\$, both around \$2\,\mathrm{V}\$ p.p.. I need to interpolate between the two linearly through some external control voltage \$V_c\$ (ideally also ...
Gabriel Golfetti's user avatar
2 votes
2 answers
637 views

How to blend two guitar audio signals?

TL;DR: Can I use a blend potentiometer to blend two audio signals? I have an Ibanez GSR 200 bass guitar. It has a potentiometer to control the volume of the neck pickup and another potentiometer to ...
Vraiment's user avatar
0 votes
1 answer
333 views

Will a potentiometer let me adjust the volume on an RCA to 3.5mm headphone cable?

I don't know a lot about EE, and this might not be the best place to ask, but I have a really basic question. I'm thinking about cutting an RCA to 3.5mm cable in half and inserting a pot for volume ...
spiff's user avatar
  • 121
-1 votes
1 answer
622 views

How to make a two channel mono mixer with in balance control into stereo output

I wanted a circuit I thought was a basic pan control, but after mapping it out it wasn't so standard after all. The final design will have this exposed: two mono inputs (left and right), one stereo ...
Sam's user avatar
  • 1
0 votes
2 answers
2k views

i want to know if the potentiometer is broken or just dirty and if it's broken can i find the same in the market? [closed]

Hi i have speakers labtec arena 530 . i opened the main speaker and the problem is from the potentiometer I can make a brigde and connect 2 pot of the potentiometer sound become clean but i loose the ...
na7la's user avatar
  • 1
0 votes
1 answer
600 views

Problem with potentiometer in op-amp audio system design

I have a simple audio setup I am trying to build that consists of an op-amp board (OEP30Wx2), 2 speakers (Dayton Audio ND65-8), a steady 16V power supply (this op-amp requires 16V to drive 8 Ohm ...
Marnus Steyn's user avatar
1 vote
2 answers
369 views

Question about audio amplifier circuit

I was looking at an example of a simple audio amplifier circuit and have a few questions... In the circuit below what represents the 1 and 2? What is their role in the circuit? Also, I've seen ...
nalanart's user avatar

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