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Eico MX99 Multiplex adaptor
Eico MX99 Multiplex adaptor
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Old 3rd November 2006, 08:33 PM   #1
FranStar is offline FranStar  United States
diyAudio Member
Join Date: Oct 2004
Default Eico MX99 Multiplex adaptor

Tube unit for making FM mono to stereo

Works fine. All caps good.

9" deep, 6-1/2" wide, 3-3/4" high

weighs 6Lbs

Original EICO sticker on back

Original EICO sticker on bottom

Uses tubes, 6X4, two-12AU7, 6AU6, 12AT7

Missing front rubber feet, otherwise complete and stock.

Script on the front panel

Eico MX99


Multiplex Autodaptor

There are two slide switches,

One is, Normal/Main CH

The other is, On/off

A pot for seperation control

There are two lights

One is MX STEREO, The other is POWER

I would like $75.00, make offer.

Here is a link to a photo-album with some of my work on it.


I do custom tube gear also.
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Old 24th April 2011, 04:36 PM   #2
newbobbyc is offline newbobbyc
diyAudio Member
Join Date: Mar 2010
Smile Is your MX99 still for sale?


I realize that your post is now FIVE years old.....but on the off chance.....

IS your MX99 still for sale?

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