8mm Forum: Eumig sound question (help!)

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Posted by Anthony D.P. Mann (Member # 1269) on October 08, 2008, 06:27 AM:

I have recently acquired a Eumig S807D projector, which I am so incredibly happy with - it was obviously barely-used, and runs like a charm!

I would like to export sound via the external speaker port, but there are no instructions in the manual as to how to do this. Do I need a special adaptor, or am I simply using open wire as per a standard receiver system (there aren't any spring-latches, which is why I am confused).

Any help is appreciated - cheers!

Posted by Steve Klare (Member # 12) on October 08, 2008, 06:42 AM:

There should be a DIN socket on the Machine's left side panel, it is a two prong connection and the sockets in the machine should look like this:

___

_

This machine is probably meant for a 4 Ohm external speaker, but if you can't easily find one two 8 Ohms in parallel will do the job and you can tell people it's "stereo"!

It will probably be a little hummy, see the thread “Eumig 810D Sound Quality”.

Posted by Martin Jones (Member # 1163) on October 08, 2008, 06:54 AM:

Also doesn't do any damage to connect a single speaker greater than 4 ohms; though it may affect the volume level you can get.
The rule is.... transistor amplifiers, never connect less ohms than the rating (and never,ever short the output!)..... valve amplifiers you can short cucuit or fit speakers up to the rated figure (but never, ever run open circuit!).

Martin

Posted by Bill Brandenstein (Member # 892) on October 08, 2008, 06:43 PM:

Anthony, there are two ways to get audio out of the projector, if the 807 is similar to the 810. There is a line-level out not far from the framing knob that uses a 5-pin DIN connector. I had to get one custom wired to go from that to an RCA plug. (Maybe it's wired wrong and that's why it's so soft in volume! -- see other thread.) Probably not cheap, but a great help.

The other method is to use the speaker jack on the back, which looks like this:

I took this to an amazing local electronics store and was surprised to learn that they'd never seen one, let alone had any hardware with which to make cable connectors.

Is this the same jack as is found on the GS-1200? The receptacles are similar, but not identical:

Can anyone give some guidance as to where to find hardware that fits these?

Posted by Steve Klare (Member # 12) on October 08, 2008, 07:03 PM:

For some reason I've had a real problem getting these connectors stateside. I could swear I saw them at Radio Shack years ago, but the last time I checked they had no idea they ever existed. (Little wonder: the clerk was younger than my newest projector...)

However:

You can't do Super-8 these days without a little foreign aid from the UK, so I found them at Maplins:

http://www.maplin.co.uk/Module.aspx?ModuleNo=937

http://www.maplin.co.uk/Module.aspx?ModuleNo=1100

http://www.maplin.co.uk/Module.aspx?ModuleNo=939

http://www.maplin.co.uk/Module.aspx?ModuleNo=950

If you do find a North American source, please let us know!

Posted by Gareth Dressler (Member # 1285) on October 08, 2008, 07:45 PM:

You can get the DIN plugs on eBay.

Posted by Steve Klare (Member # 12) on October 08, 2008, 08:27 PM:

Check it out!

E-bay item: 220288799460

That's great!

Posted by Anthony D.P. Mann (Member # 1269) on October 08, 2008, 10:38 PM:

Everyone has been so helpful!

I just ordered a 2-prong DIN to RCA phono adaptor from the UK, and hopefully that works with the rear socket.

The projector came with the original (still in plastic) 5-prong DIN to phono cable... but when I attached a phono to 1/8 inch male adaptor to it, I get no sound to any of the sources I tried.

Am I doing something wrong, possibly?

Aside from that, this projector is wonderful. The only thing (very slightly) "wrong" with it, is what seems to be a glitch with the volume dial - when I first start playing a film, I sometimes have to jiggle it to get the sound working... I'm assuming an electronic repair person could probably fix that in a jiffy (again, unless I'm missing something here?)

Again - thanks for all the help!

Posted by Martin Jones (Member # 1163) on October 09, 2008, 03:36 AM:

Anthony,
The 807D is a recording machine, so possibly the DIN to Phono lead you have is an INPUT lead for recording purposes. On this, the outer of the Phono plug will connect to the centre pin of the Din plug (pin 2). The centre connects to a pin in the Din plug to one side of the centre pin (pin 1); an OUTPUT lead would connect to the pin on the other side of the centre pin (pin 3). If the Din plug is of the openable type you can open it and transfer the leads to the other pins.
The pin numbers are usually embossed on the plugs and on the sockets; usually inside but sometimes outside as well.

And,Bill, yes the sockets (receptacles) are the same; 2-pin DIN has one flat and one round pin, and there's only the one size.
Martin

[ October 09, 2008, 12:58 PM: Message edited by: Martin Jones ]

Posted by Paul Adsett (Member # 25) on October 09, 2008, 09:11 AM:

Anthony,
Congratulations on your purchase of the Eumig 807 - the Eumig 800 series are wonderful little machines, beautifully designed and manufactured, and built like tanks!
The volume control problem sounds like you have a poor contact on the rotary pot of the volume control, probably dust. Pull off the lamp house cover, then pull off the main control knob and the two small knobs (volume and rec level), unscrew the bottom side cover with that single screw between the knobs, then pull the bottom cover slightly forward and outward to remove it. Now look down into the machine while turning the volume control knob, and you will see the potentiometer rotating. Get a can of TV contact solution and spray a little bit right down on the potentiometer (watch you eyes!). Then rotate the pot back and fore a few times and the problem should be gone!
Bill, Radio Shack sells the little 2-pin plug that fits the speaker socket of the Eumigs and GS'S.

Posted by Bill Brandenstein (Member # 892) on October 09, 2008, 11:02 AM:

Paul, never thought that Radio Shack would have something that the huge store wouldn't. I'll let you know, and I appreciate the tip.

Martin & Anthony, Brad has the Eumig 810 manual posted in the main Film-Tech site. Hopefully the audio leads are the same. I'll be checking mine!

Posted by Martin Jones (Member # 1163) on October 09, 2008, 12:43 PM:

Anthony,
I have looked at the schematic on the Film-Tech site and have now edited my PREVIOUS post in line with it., so read that one again.
However I'm puzzled by your "5-pin Din lead"; the 810 sockets are shown as only 3-pin on the schematic. 3-pin plugs will fit in 5-pin sockets, but not the other way round. Are the sockets actually 5-pin?
Incidentally, I have an S824 Sonomatic; an excellent machine. I hope later to use this as a basis for "frame by frame" transfer machine at 18/24 fps for both Regular and Super 8.

Martin

Posted by Anthony D.P. Mann (Member # 1269) on October 10, 2008, 06:34 AM:

Thanks for all the help, folks -

Paul: Cleaning the unit doesn't sound that difficult at all (famous last words!), and I think I'm confident enough to give that a shout this weekend, thanks to your instructions.

Martin: I made a mistake in my message - yes, it is a 3-pronged DIN, not 5.

I have a few things to try (plus I have the 2-pronged adaptor for the other socket on its way), so I should be in good shape... I'll update as soon as I have some progress. Aside from these very minor hiccups, I'm thoroughly enjoying this projector!

Thanks again!

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