Alpha Rotary Switch - SA on the cheap?
Dec 4, 2009 at 11:20 AM Thread Starter Post #1 of 6

fishski13

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anyone ever try an Alpha rotary switch? SR2921F-0112-19R0B-E9-S-W Alpha (Taiwan) Rotary Switches

Vishay CMF50 resistors are nice and small. building a shunt SA requires a bit more space vs. series and ladder.

should i take a punt at this? it's only 12 pos. though. i'm still trying to find a source state-side for a shorting 2 deck, 23 pos..
 
Dec 4, 2009 at 10:55 PM Post #4 of 6

fishski13

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Quote:

Originally Posted by luvdunhill /img/forum/go_quote.gif
sure that's the correct link? It's not an Alps pot...


sorry, Alpha...

edited.
 
Dec 8, 2009 at 5:22 AM Post #5 of 6

fishski13

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well i went ahead and ordered 2 of them. i would normally balk at only 12 clicks for "serious" listening, but i'm going to throw them in a Gainclone that i'm building for casual listening in our livingroom. i'll report back...
 
Dec 8, 2009 at 3:40 PM Post #6 of 6

Mr.Duck

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What sort of volume steps are you going to use?

I was thinking 2dB per step. If it's still too loud then the gain on the amp will need fixing. I mean, what's the point in throwing away nearly all the audio signal only to have it made back up again by a high gain amp?
 

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