Good eye. The 2 wires coming off the power inlet holes are going to be hooked to (2) 9 volt batteries for now. I'll eventually replace it with something else. any suggestions? I've put in for Teabags boards....
Russellc
The knobs for the pec pots. What kind are they? All the knobs I have been looking at either I can't find the datasheet (allthough I admit not having searched all that much) or they are just 6mm. Should be 6.32, no?
Yes you're right; the PEC pots being Canadian/American are the equivalent of the old English imperial 1/4inch.
These from RS are a nice Knob. They used to do them in 1/4 inch but you'll have to search.
| Passives | Resistors | Knobs and Dials | Aluminium Knobs
Let me look. It was either Mouser or Digikey. I'll be back.
Yes, have a look with mouser: 450-3000
Russellc
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Thanks you. Have you tried the PEC stereo pot? I read Peter Daniels give some praise to it. I am thinking I use that one instead of dual mono pots...
Nice build you've got btw.
Nice build you've got btw.
Some complained about the channel to channel tracking of the stereo pot. Not a problem with the individual pots, it gives a way to have a "balance" function, and two is how the original is.
russellc
Yes, I read the thread wherein he says that some people don't like the "mushy" sound and mentions the stereo pot syncronicity issue. I ordered dual mono's myself.
The Aikido switched attenuator from Glassware is designed to offer that facility.
A master volume control in the centre gives big dB steps two channels & 6positions/steps.
Either side is a dedicated L and R small dB steps adjustment that can be used to fine tune the volume or used to balance up an unbalanced stereo signal. These are single channel 12position/step switches.
In practice it works very well.
I tend to leave the L & R set to -0dB and use the master to give 10dB steps from -0dB to -50dB. If I want to be finicky I can add a bit extra attenuation by stepping the L+R down in steps of -0.9dB to give a slightly lower volume.
Because it uses 3 cheap single wafer switches, it gives good value for money.
0.9dB steps from -0dB to -59.9dB and balance control, is as much as I could ever ask of a switched attenuator.
If you want more info on correcting an error see my earlier Aikido post.
http://www.diyaudio.com/forums/chip-amps/110016-adequate-volume-control.html
It would also make a very good wide range LED/LDR controller pot with balance at each volume step.
A master volume control in the centre gives big dB steps two channels & 6positions/steps.
Either side is a dedicated L and R small dB steps adjustment that can be used to fine tune the volume or used to balance up an unbalanced stereo signal. These are single channel 12position/step switches.
In practice it works very well.
I tend to leave the L & R set to -0dB and use the master to give 10dB steps from -0dB to -50dB. If I want to be finicky I can add a bit extra attenuation by stepping the L+R down in steps of -0.9dB to give a slightly lower volume.
Because it uses 3 cheap single wafer switches, it gives good value for money.
0.9dB steps from -0dB to -59.9dB and balance control, is as much as I could ever ask of a switched attenuator.
If you want more info on correcting an error see my earlier Aikido post.
http://www.diyaudio.com/forums/chip-amps/110016-adequate-volume-control.html
It would also make a very good wide range LED/LDR controller pot with balance at each volume step.
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