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Time Machines & Experiments
Audio or Linear Tapered Potentiometers in the HDR?
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<blockquote data-quote="TimeFlipper" data-source="post: 204651" data-attributes="member: 6456"><p>The shaft lengths are made long to begin with to make room for Pots to fit inside whatever size of box they sit in...Most Pot shafts are "cut down to size" when in radios or HDRs because you don't need or want a long shaft projecting from a radio or an HDR, it would look unsightly and silly and could easily break off if handled incorrectly or you dropped the HDR..</p><p></p><p>HDRKID already told you he used a Linear Pot, but you will find in most HDR schematics that they use a logarithmic (Log) type pot...</p><p>There are only linear and log types of potentiometers...In an old radio the volume control is a Log Pot, and the Tone Control would be a Linear Pot...Try both type of Pots if you are unsure, then choose the one that gives you the best stick response...</p><p></p><p>HDRKID said Steven Gibbs used "Military Grade Pots" in his own HDRs...Those type of Pots have a very high degree of accuracy when quoting their resistance value...For example, most standard Pots that quote 50k resistance might only be about 49k or 51k resistance, but the Military Grade Pots would be exactly 50k resistance, and obviously be costlier..</p></blockquote><p></p>
[QUOTE="TimeFlipper, post: 204651, member: 6456"] The shaft lengths are made long to begin with to make room for Pots to fit inside whatever size of box they sit in...Most Pot shafts are "cut down to size" when in radios or HDRs because you don't need or want a long shaft projecting from a radio or an HDR, it would look unsightly and silly and could easily break off if handled incorrectly or you dropped the HDR.. HDRKID already told you he used a Linear Pot, but you will find in most HDR schematics that they use a logarithmic (Log) type pot... There are only linear and log types of potentiometers...In an old radio the volume control is a Log Pot, and the Tone Control would be a Linear Pot...Try both type of Pots if you are unsure, then choose the one that gives you the best stick response... HDRKID said Steven Gibbs used "Military Grade Pots" in his own HDRs...Those type of Pots have a very high degree of accuracy when quoting their resistance value...For example, most standard Pots that quote 50k resistance might only be about 49k or 51k resistance, but the Military Grade Pots would be exactly 50k resistance, and obviously be costlier.. [/QUOTE]
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Audio or Linear Tapered Potentiometers in the HDR?
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