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Switches
Volume control / Attenuator



This page is not updated.
Please use our Swedish site for updated information.


Switches:
Input selector
24-position switch for volume controls

Kits and ready made volume controls - mono and stereo:


Work in progress - Please come back in a few days!

Input selector

ELMA 1264

Selector switch 2 pole 6 positions with 3µm gold

Click on picture to enlarge

Click on picture to enlarge


One deck = stereo unbalanced signal (most common)
Two decks for balanced signal in stereo

You can connect up to 6 different sources with this switch. There is an adjustable mechanical stop so you can set it for 2, 3, 4, 5 or 6 positions - depending on your needs.

A very high quality selector switch with a thicker than usual layer of gold in order to withstand many years of continous audio use without oxidation.

The normal switch in the ELMA 04-series has 10µm silver with a protective layer of roughly 0.2µm gold.

This is intended as a protection during storage and transport only and does not withstand continous use without being worn off.

That turns the contact surface into silver which is unsuitable for audio as it is extremely prone to oxidation, something that can immediatly be heard in the form of crackle and pops.

Mounting hole 10.2mm
6mm diameter axle

montering
 
Selector switches for volume controls

24 position selector switch

The classic, with hard, exact positioning, solder lugs and 3µm gold

ELMA 04

Click on picture to enlarge

The classic ELMA 04 selector, used exclusively until the new, softer Audio selectors appeared.

With 24 positions and 3µm gold, just as it should be.

Using this as the base you can build all attenuators including transformer attenuators.

Normally I recommend the newer switches below though, because opf their softness and "low bounce".

Elma 04

 

Audio selector
serie A

A special audio selector switch with "low bounce", extra smoth running and 3µm gold

ELMA 04A1A00

ELMA 04A2A00

Click on picture to enlarge

An audio selector switch specially developed for use
as a volume control/attenuator

With 24 positions and extra smoth running

Each position has two solder patches
which makes it simple to build a series type attenuator.

This is the switch closest to the classic above.

Elma serie A
 

Audio selector
serie R

A special audio selector switch with "low bounce", extra smoth running and 3µm gold

ELMA 04A1R00

ELMA 04A2R00

Click on picture to enlarge

An audio selector switch specially developed
as a base for a shunt type volume control/attenuator

With 24 positions and extra smoth running

One deck per channel has double solder patches
while the other features a separate groundplane,
making it simple to build a shunt type attenuator.

Elma serie A





Svalander Konsult AB, Box 442, S-184 26 ÅKERSBERGA, SWEDEN.
info@svalanderaudio.com

© Aug 2003 Josef Svalander