Questions tagged [volume]

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7
votes
2answers
804 views

How is volume not affected by signal strength in AM radio?

I was wondering how the range of the volume is transmitted in AM radio. With amplitude modulation, the volume is directly linked to the amplitude of the radio signal. But this would mean that the ...
0
votes
1answer
87 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 ...
10
votes
4answers
4k views

If we use potentiometers as volume controls, don't they waste electric power?

I recently heard that we use potentiometers to reduce the volume levels in audio devices. Will it waste electrical energy?
1
vote
0answers
165 views

Can I fix 6 pin volume potentiometer by connecting the Right & Left outputs?

I have a Logitech Z533 speaker system with a 'scratchy' volume control on left channel. Upon examination of the volume control board in the volume puck that sits on your desk, it is a 6 pin pot with ...
0
votes
2answers
2k views

How to wire up 6 pin potentiometers

How can I wire up 6 pin potentiometers for 3 pins. I need a 3 pin potentiometer for a project, but I only have 6 pin ones available, how can I hook it up to a LED or volume control circuit?
0
votes
0answers
57 views

Volume control after the amp

A system I built uses a commodity siren for audio feedback. In production it's outdoors and 50m from the operator and the volume level is just right. On my bench it's deafening. The tone generator ...
3
votes
1answer
62 views

How to change the volume of one pair of speakers

I have two speakers outputs on my old technics SU V560 amp that I used for years to drive wharfedale E20 speakers that I use in the living room. The amp has two stereo outputs, selectable from buttons ...
1
vote
1answer
75 views

Volume control for chinese lightsaber

I've got a cheap chinese lightsaber and want to make some adjustments to it. The item looks great but its volume is too loud and my neighbours get mad when I switch it on. It doesn't have any way to ...
0
votes
1answer
562 views

Bypass volume potentiometer

Can't get my headphones replaced in warranty during COVID lockdown so I am forced to fix the old ones. I have a pair of old headsets that have this volume potentiometer that I would like to bypass ...
2
votes
0answers
46 views

Strange leak problem in simple tone control circuit

I built the following circuit (physically): V1 is my audio signal and the circuit is a simple tone and volume control. When both the volume and the tone pot are turned all the way down (so each wiper ...
0
votes
1answer
254 views

What component is the infinite volume knob?

I am looking for the name of potentiometer like component which built in keyboards like Logitech G910, it sending just a plus and minus data I assume. Thanks
0
votes
1answer
51 views

How to Cascade Filters and Audio Volume Control

I am trying to output PWM from an MCU, filter it with a LPF to form an analog signal, cascade an audio volume control that allows for smooth control between silence and a somewhat amplified signal, ...
0
votes
2answers
586 views

Marantz PM6005 potentiometer

I am looking to change faulty, scratchy Alps potentiometer (RK168 series - 50k ohms) in my amplifier. This is not available easily but 100k is available. Will 100k work the same way as 50k without any ...
0
votes
3answers
70 views

Quad voltage controlled resistance

In order to have a quad volume control, I thought of having a single log pot between a DC negative source and 4 gates of 4 matched JFET's as shown above. We're talking audio here, I haven't calculate ...
1
vote
1answer
396 views

CD4011 Oscillator Square Wave Output Fed to Transistor Audio Amplifier; Volume Control Question

I built an audio frequency square wave oscillator using 3 gates on a CD4011 quad NAND gate IC. I then fed the output of the oscillator (pin 11) to a very basic "push-pull" transistor amplifier on the ...
16
votes
2answers
2k views

Potentiometer like component

Okay you might get this a lot around here; I'm trying to figure out the inner workings of this specific potentiometer like component. I want to get my hands on the datasheet or a similar components ...
3
votes
2answers
808 views

Volume control for LM386

For some context, see my earlier question: Ceramic capacitor value for an LM386N project What I learned is that the 10k potentiometer on pin 3 (Vin) forms a voltage divider. When I carefully dial it, ...
0
votes
3answers
224 views

perceived loudness of noise vs. sine wave

I am trying to understand what gains I need to use each for a white noise generator and a pink noise generator for a human ear to perceive the loudness to be the same as it is for a 440 Hz sine wave ...
2
votes
1answer
235 views

Voltage divider to drop volume of one speaker by 1.5dB

I have a a balanced stereo audio source, being fed into a headphone amplifier. Both source and amplifier are connected via a pair of 3-pin XLR cables, one for each channel. The amplifier then outputs ...
0
votes
2answers
78 views

Is it better to control an amplitude of audio signal or gain?

I'm creating simple headphones amplifier with an opamp (basic non-inverting config with RC high-pass on NI) and I wonder, what's better - to control an amplitude of input signal, or a gain of an opamp?...
3
votes
1answer
553 views

Microcontroller PWM output volume

So I am designing a cheap and simple sound device using the Atmega32U4 uC and stumbled across one problem. I am using the 10-bit PWM output of the uC to output audio and I want the user to be able to ...
1
vote
2answers
660 views

How to add an UPS beeper volume controller so that I can make it sound quieter when it beeps?

I've an EATON 5E850iUSBDIN 850VA/480W UPS. This UPS makes a very loud beep sound both when it's first plugged into the mains(short beep) and when it's first turned on from the button(3x longer beep)...
1
vote
3answers
1k views

Potentiometer/attenuator between amp and speaker

I have a setup where an amplifier with 2 channels drives four 8 ohms 80 watts speakers on each channel. The amplifier has a single volume knob which controls volume of both channels at once. What I ...
1
vote
1answer
349 views

Audio volume levelling / AGC for spectrum analyser

I'm busy building a preamp, and want to include an LED-matrix spectrum analyser on the front panel (for aesthetics, not accuracy!) I've set up a circuit that uses a couple of MSGEQ7 chips to analyse ...