Questions tagged [volume]

33 questions
16
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2 answers

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 datasheet. It is used to change the volume of the…
10
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4 answers

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?
Abin Latheef
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6
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2 answers

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 overall volume of the radio receiver would decrease…
Rémi Baudoux
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4
votes
3 answers

Faking a loudness pin for a standard volume potentiometer

Older amplifiers often employed a volume pot that had a 4th "loudness" pin (which I take it varied with volume up until 40% give or take after which it was fixed). Unfortunately, newer volume pots do not include this 4th pin, so I want to find a…
CatalinM
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4
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1 answer

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 control the output volume using buttons, not a…
sx107
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3
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1 answer

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 on the front. Recently I was given a set of Kef…
doug
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3
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2 answers

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, I find a spot where I get clean audio (the 10k…
ensonic
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2
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1 answer

Control PWM Volume

I am using Arduino's tone() function to produce some basic tunes. However, tone() does not have volume control. I did post about this in the Arduino Stack Exchange web site as well. User Majenko said that The tone() function generates a 50% duty…
user1584421
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2
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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 is closest to ground), some small amount of the…
2
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1 answer

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 same breadboard. The output of the amplifier was…
Brock R. Wood
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2
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1 answer

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 to some studio monitor headphones. Due to some…
abza
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2 answers

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) (I'm not including the case when it beeps…
user201933
1
vote
1 answer

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 kΩ by adding a 100 kΩ resistor, but what happens…
Aram Alvarez
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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
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1
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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 single shaft. From research I did, this is…
Stellablue
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