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View Poll Results: Which one is the way to go? (Plz vote!)
Grayhill 2 12.50%
Elma 3 18.75%
Seiden 2 12.50%
Shallco 3 18.75%
Other? (plz specify) 7 43.75%
Multiple Choice Poll. Voters: 16. You may not vote on this poll

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Old 6th February 2017, 02:51 AM   #1
Wikkid is offline Wikkid  United States
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Default Best Selector Switch? ..Advice plz!

Hello...

An input selector is an unfortunate necessity in my Pre/LS project.
Which one would do the least harm (degradation)?

It needs to be rotary style, because I'm committed already in certain design aspects (case/etc).

A source for it would be nice too...

TIA for your thoughts!!!

Greg
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Old 6th February 2017, 03:01 AM   #2
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Top quality is GRAYHILL ...... but expansive ...
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Old 6th February 2017, 03:07 AM   #3
rayma is offline rayma  United States
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Quote:
Originally Posted by Wikkid View Post
An input selector is an unfortunate necessity in my Pre/LS project.
Which one would do the least harm (degradation)? It needs to be rotary style
Elma Rotary Selector Switches
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Old 6th February 2017, 03:20 AM   #4
Wikkid is offline Wikkid  United States
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Thank you both for the replies!

Well, I kinda figured it would be expensive, since I said "best"...
Its not an area to skimp, IMHO...
So I might have to compromise lol... but it would help to fully understand the choice.... Like, a hierarchy of bests... lol..
I might wind up having to settle for second best... or maybe even 3rd...
It will depend on the actual cust.... though on the other hand, I might choose to wait a bit longer and save up..
This IS diy after all...
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Old 6th February 2017, 03:24 AM   #5
Wikkid is offline Wikkid  United States
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Quote:
Originally Posted by audiofan View Post
Top quality is GRAYHILL ...... but expansive ...
Hmm... could you narrow the Grayhill down a bit?
Thnx!
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Old 6th February 2017, 03:34 AM   #6
rayma is offline rayma  United States
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Quote:
Originally Posted by Wikkid View Post
it would help to fully understand the choice.
Can you post the preamp circuit, and how much room is available behind the panel.
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Old 6th February 2017, 03:40 AM   #7
Wikkid is offline Wikkid  United States
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Not yet...
Still in the early planning stages... But I'm planning to when possible..
Sorry (
Room behind shouldn't be a problem though..
Might even be able to mount in in the rear near the input connectors on a shaft.... but again, to early to be sure.
Working out those details now..

Thanx tho!!!
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Old 6th February 2017, 03:47 AM   #8
rayma is offline rayma  United States
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Quote:
Originally Posted by Wikkid View Post
Might even be able to mount in in the rear near the input connectors on a shaft.
That's the way to go.
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Old 6th February 2017, 03:51 AM   #9
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You could use a cheaper selector switch and use a good quality relay located at the rear; less mucking around than an extended shaft.
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Old 6th February 2017, 11:47 AM   #10
AndrewT is offline AndrewT  Scotland
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Tromp has my vote.

Signal relays are reputed to be very good at not degrading the signal.

A very cheap rotary switch could activate your signal relays.

The nice thing about these small signal relays is that they can be mounted almost on the input sockets and feed direct to the output sockets with virtually no wiring. Just a few short PCB traces.
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