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This topic comprises 2 pages: 1 2
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Author
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Topic: Optical Mono Sound Lives!!!!!???
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Dave Bird
Jedi Master Film Handler
Posts: 777
From: Perth, Ontario, Canada
Registered: Jun 2000
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posted 02-12-2001 09:31 AM
I'm to the point now where I'd like to hook up my sound mechanisms. So here we go. I've got the exciters lit up no problem. From there, I believe we go to the "General Sound Volume" Boxes which have a 7-pole horizontal wire coupler just under the transistor board:DCred - DCblk - Grd/Com - Line - Com - Line -DCgrd Not sure which Com-Line set is "IN" & "OUT", I believe the right side was in, as one box has two sets (changeover setup). Assuming DC power comes into these from the "telephone wire" from the sound rack. Next we go to the sound rack, where there are two 8-pole vertical wire stations, one for sound, other for power. (SOUND)
"FILM IN" Line - Com - Grd,
"Dummy" (me!)
"NON-SYNC" Com - Line
"MIC" Line - Com (POWER)
"FIELD LINE" Line - Com - Dummy
"MONITOR" ?? - ?? - Dummy
"22v DC" Neg - Pos I believe I have most of it hooked up the way it was, but I need to find out how to hook up a monitor speaker (is seperate amp required?) so I can hear, and I'm curious what the power for "field line" is for, I'm thinking that this once fed the field speaker amp and was snipped when the AM transmitter was installed. It also appears that both exciter lamps were wired to be on at the same time. How was this dealt with so as not to interfere with the show, was one volume control turned down while the other was playing? This is a "General Sound"
rack, the "Non-Sync Panel" has simply a music-mic volume and a mic-film-music selector. Any help GREATLY appreciated! Thank you...
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Dave Bird
Jedi Master Film Handler
Posts: 777
From: Perth, Ontario, Canada
Registered: Jun 2000
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posted 02-13-2001 08:39 PM
 Got it years ago from a supplier. We were doing a program to fingerprint and photograph children in case they got lost. The idea was great, and was supposed to be an annual thing, we had cases of film! But the pictures are pretty fuzzy.As for me John, and this is no b.s., in my own 35mm, I use only Kodak film! Maybe it's cuz American television for us comes from our buddies in Ro-cha-cha and there's some kind of loyalty there?! Many of us grew up with fantasies of a visit to the "Great-Great-House Of Guitars", shopping for pig's feet at "J&E Grocery, One Twenny Niiiiine Reynolds Street", "Ya Pick Up Da-Phone an ya
call - Gabriele Ford", and some day, oh glorious day, "Bowling For Dollars" at either the Gates-Chi-li OR Henrietta Bowl"! Wayyyyy of topic, my apologies!
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John Pytlak
Film God
Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 02-14-2001 06:53 AM
Dave - those television signals go over the border in both directions. Growing up in the Buffalo area, I watched so much Canadian television out of Hamilton and Toronto that sometimes I feel like I'm part Canadian -- Eh?  Not so lucky in Rochester, as the Toronto signals are very snowy where I live, and the only Canadian station on cable is the "International" one from Toronto that carries the Italian and Oriental programs. (BTW, the wife of the owner of Gabriele Ford worked as an administrative assistant in our group at Kodak, and the House of Guitars is  ).As you know, Kodak has a film manufacturing plant in Toronto, and I have often visited to help lab customers in Toronto and Montreal, and IMAX in Mississauga, Ontario. And I first presented the Laboratory Aim Density (LAD) system (which just was awarded the Academy Technical Achievement Award) at the SMPTE Technical Conference in Toronto on November 11, 1974. So Canada has lots of happy memories for me.  ------------------
John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Entertainment Imaging
Eastman Kodak Company
Research Labs, Building 69, Room 7419
Rochester, New York, 14650-1922 USA
Tel: 716-477-5325 Cell: 716-781-4036 Fax: 716-722-7243
E-Mail: john.pytlak@kodak.com
Web site: http://www.kodak.com/go/motion
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John Eickhof
Jedi Master Film Handler
Posts: 588
From: Wendell, ID USA
Registered: Jan 2000
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posted 02-15-2001 11:47 PM
Gordon, looking at the picture that dave sent me, the small pre-amp card looks exactly like the one designed by Altec that was first used as the optical pre-amp in the Simplex 6-4-1
transistorized sound system, then it was later used in the NTE 100 & 200 systems. When I worked for Altec Service, I remember having
Altec Data sheets for this pre amp. I believe it was designed in Anaheim California at altec and was OEM to Simplex as part of their systems, I serviced many of these systems right up into the 1980s. In fact, DAVE, if you need a spare card or two, I am sure I have them around here somewhere! They would either be rack mounted like yours, or in the de-luxe system, each soundhead had one in it (Late XL soundheads, & most early 5-Star soundheads) Usually these drove Altec 351A or B amps then later they used the 1593 & 1594
(50 & 75 watt) Solid stae amps. (Early versions used the Altec 1566 pre-amp.------------------
John Eickhof President, Chief Slave
Northwest Theatre Equipment Co., Inc.
P.O.Box 258
Wendell, ID. 83355-0258
208-536-5489
email: jeickhof@nteequip.com
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