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6th November 2006, 01:24 AM
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#1 |
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diyAudio Member
Join Date: Jan 2006
Location: Wisconsin....what did you expect?
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Where can I find one of these rotary switches?
http://www.surplussales.com/Switches/SWRoMisc-2.html
Check out (SWR) K-35J810 It would appear that adding some SMD reistors and turning it into a really inexpensive rotary attenuator would be easy. Anyone know where to get one? |
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6th November 2006, 02:35 AM
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#2 |
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diyAudio Member
Join Date: Apr 2004
Location: 12km off the alaska highway in northern BC
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Excuse me - am I missing something here? You ask where to get those, and post a link to the supplier?
What exactly are you asking, pray tell? |
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6th November 2006, 02:45 AM
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#3 | |
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diyAudio Member
Join Date: Jan 2006
Location: Wisconsin....what did you expect?
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Quote:
If you bothered to look at the page I linked to: 1. It's a surplus place. 2. They're out of stock. |
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6th November 2006, 04:14 AM
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#4 |
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diyAudio Member
Join Date: May 2006
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i have no clue about the one you linked to, it looks nothing like other diy stepped attenuators. where would you stick the resistors? i was thinking something more like this:
http://diyparadise.com/stepped_atten.html |
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6th November 2006, 05:01 AM
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#5 | |
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diyAudio Member
Join Date: Jan 2006
Location: Wisconsin....what did you expect?
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Quote:
Tiny SMD resistors would be used. Just solder then between each of the "fingers" on the control board. |
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6th November 2006, 05:18 AM
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#6 | |
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diyAudio Member
Join Date: Apr 2004
Location: 12km off the alaska highway in northern BC
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Quote:
and - what does that mean? You don't buy at surplus places? And - where does it say out of stock?  Do you mean that one? For an attenuator you should use at least a 24 position rotary. Otherwise the steps are too coarse. |
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6th November 2006, 05:56 AM
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#7 |
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diyAudio Member
Join Date: Jan 2006
Location: Wisconsin....what did you expect?
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My bad - it's this one.
(SWR) 436042-3 
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6th November 2006, 06:58 AM
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#8 |
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diyAudio Member
Join Date: Oct 2001
Location: New Zealand
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www.diyfidelity.com.au
Have a 23 position switch (4 pole) at a very good price. http://www.diyfidelity.com.au/produc...products_id=48 |
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6th November 2006, 06:59 AM
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#9 |
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diyAudio Member
Join Date: May 2004
Location: Vancouver Island
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AMP is now under Tyco, so if you can wade through the online catalog you may find that switch.
http://catalog.tycoelectronics.com/T...6354&LG=1&I=13 |
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6th November 2006, 01:53 PM
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#10 | |
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diyAudio Member
Join Date: Jan 2006
Location: Wisconsin....what did you expect?
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Quote:
The reason I suggested that switch is that SMD resistors are much lower noise than almost any other type (according to Goldpoint - and they know their stuff), cheap, and, easy to solder. What's not to like? |
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