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Topic: Adjusting a sound head?
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Paul Adsett
Film God
Posts: 5003
From: USA
Registered: Jun 2003
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posted August 17, 2017 08:08 PM
For Steve, and anyone else who has never seen the Kodak M100, here is a photo:
This is the projector that Kodak designed to showcase the new Super 8mm magnetic sound system on a professional quality projector. It is fitted with that superb, unbelievably sharp and flat field, fixed focus f1.0 Ektar lens. It had auto threading and a rotary knob which was used to totally remove the sound head from the film path for silent films. Lighting was 150 watt halogen with a high and low lamp setting switch. There was an analogue recording level meter and sockets for phono/tape/ microphone input. It has a big internal speaker housed in the wooden rear part of the projector. Plus, as you can see, it takes 1200ft spools. Picture quality, smoothness of running, and steadiness is better than anything I have ever seen on Super 8mm. The machine is built like a tank, being based on the superb 16mm Kodak Pageant design.
The down side is sound quality- not nearly as good as the 800 series Eumig's, and uses a hybrid valve/transistor amplifier. The sound head is brazed on to the end of a thin cantileverd metal finger, and adjustment would be extremely difficult. Kodak used to sell replacement sound head assemblies, which included the complex engagement mechanism.
But it's a stunner, Kodak's best ever S8 projector, designed and built in Rochester NY in the days before US corporations off loaded everything to the far east, when quality counted for something, and before Kodak became synonymous with cheap plastic projectors and cameras. Goes to show just how much Kodak and America has really lost in the last few decades.
Here is an ad for the Kodak Sound 8, which was a reg 8mm sound machine of similar design and build quality, which preceded the super 8mm M100 by a few years:
Those surely were the days!
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The best of all worlds- 8mm, super 8mm, 9.5mm, and HD Digital Projection,
Elmo GS1200 f1.0 2-blade
Eumig S938 Stereo f1.0 Ektar
Panasonic PT-AE4000U digital pj
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Steve Klare
Film Guy
Posts: 7016
From: Long Island, NY, USA
Registered: Jun 2003
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posted August 19, 2017 06:13 AM
Yes,
That's basically what I was thinking of. You'd also have to be careful to find an inverter that has a sine wave output. There are some out there with square wave that a synchronous motor would react pretty badly to.
Decades ago my parents and I camped at the local beach. There were no electrical hookups there back then. I talked them into buying an inverter and a deep-cycle marine battery. Being the only family in the place with electricity was kind of a treat! I also watched TV in the car on trips. My son just brings his iPad (-Too simple: where's the challenge?!)
Another way around this is to use a small UPS (like you'd use for computers). This is tricky too because you'd have to make sure that the output frequency was fixed at 60 Hz. I see a lot of them that are universal (50/60) input, which is in your favor, but if the manufacturer decided the thing should follow whichever frequency it encountered when it was first plugged in (which most users would want), you'd be pretty much back where you started, other than the money and time invested.
It would also need to be an off-line UPS, because the on-line ones just pass regular power through until there is a fault, which isn't helping you at all.
Even before all that, I think you'd be hard pressed to find a fixed 60 Cycle UPS in he UK. You'd probably have to import it, they have internal batteries and would be heavy to ship. (£££)
There are more ways than these. The sad part is these are the simpler ones!
So where there's a will there's a way, it just depends how much the will is willing to pay!
(It might be simpler to find a Canadian or American consulate in Glasgow and ask them if you can run an extension cord through a window!)
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All I ask is a wide screen and a projector to light her by...
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