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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

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Old 7th November 2012, 11:17 AM   #11
AndrewT is offline AndrewT  Scotland
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say you have 5inputs, not that uncommon and you are on position 2 at the moment.
How many presses to hit position 5? then position 4?

Not at all convenient.
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Old 7th November 2012, 10:23 PM   #12
DUG is offline DUG  Canada
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Switch centre off is input A
one side energizes K1 for input B
the other side energizes K2 for input C

K1 right and K1 left can be a dpdt relay or two spdt

same with K2

Does everyone forget the normally closed contacts?

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Old 8th November 2012, 12:15 AM   #13
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A 2P3T slide switch is fairly easy to find.
The 2 poles are connected on the preamp side; the 3 throws are the different inputs.
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Old 8th November 2012, 01:07 AM   #14
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2P3T slide is a neat solution! I wonder how I can shoehorn that neatly into/onto 1/16" aluminum plate?
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Old 8th November 2012, 02:53 AM   #15
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It should come with mounting hardware: machine screws or little nuts & bolts. The downside is it will probably take up a little more space on the backside than a toggle or rotary due to its length.
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Old 10th November 2012, 01:21 AM   #16
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Hey,

This switch works well and is pretty small.

M2044SS1W01-RO NKK Switches | Mouser

to wire it up, follow the diagram below.

Click the image to open in full size.

dave
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