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  #1  
Old 11-28-2016, 03:49 PM
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WTB: Video head for Sony SL-2000 beta

Looking for a new video head / disk assembly for a Sony SL-2000 portable betamax. This part was used in quite a few betas. The part numbers I have for it are: A-6762-064-A, DSR-18R, and ASTI 415. Additional cross references are welcome also.

Thanks!
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Old 11-29-2016, 09:41 AM
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Call ASTI Magnetics and ask how much it costs. May still be available.

But... do you have the eccentricity gauge needed to replace a Beta upper head assy?

http://www.astimag.com/asti_products...AstiNumber=415
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Old 11-29-2016, 01:50 PM
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I called ASTI before posting. No longer in stock. From what I gather, only the earlier models' drums required the gauge.
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Old 11-29-2016, 02:11 PM
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Quote:
Originally Posted by Macdude View Post
... From what I gather, only the earlier models' drums required the gauge.
Yep that may well be true. Probably the last Beta I worked on was in 1985. After that I let another tech have all the Betas that came in the door.

Too bad ASTI has no more. As much as I tried to avoid non-OEM parts, I always had good luck with ASTI's heads. Their pricing back in the day made installing new heads affordable for customers and a lot easier to sell the repair.

Good luck!
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Old 11-29-2016, 02:16 PM
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I do recall working on some of the SL-2000s and the SL-2500 front-loader. Those had a big problem with the guide pins breaking off the loading ring around the base of the cylinder. Replaced quite a few of those rings until Sony came up with a repair kit. Sony blamed it on Allsop and Bib wet type head cleaning tapes which was probably right half the time.
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Old 11-30-2016, 12:19 PM
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It's funny you mention the guide pins. I've bought 2 SL-2000's in the past two weeks and both were damaged in shipping. The second one is a paper weight because the seller left a tape loaded and when it got bumped I think it spelled the end for the guide pin, which I found rolling around inside. The first unit has the metal pin retainers installed. I was able to combine parts from both to make a good, working unit.
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Old 12-15-2016, 11:49 AM
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I found DSR-26 head disks new on eBay for $25 a pop. I bought 3 of them. I crossed referenced the DSR-26 back to the DSR-18 and it matched up. Should be good for a lifetime, or until the ACE assembly burns through.
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Old 12-15-2016, 12:00 PM
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Quote:
Originally Posted by Macdude View Post
... Should be good for a lifetime, or until the ACE assembly burns through.
ACE head wearing out? Never seen one do that. Vert low wear on those. I would be more concerned about the air bearing surfaces of the cylinder eventually wearing down slick, causing stiction drag on the tape. At that point you have to replace the whole cylinder assembly.
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Old 12-19-2016, 04:35 PM
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In the Sony's, I thought the tape ran past the ACE head in fast wind modes? I've started using a rewinder to save the heads.
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