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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Audio Cassette "Drag" Problem
Hi,
I have been recording audio cassettes (family gatherings & my kids) into MP3 files. Unfortunately one of these cassettes is Ampex (problem brand) with a history of "drag". I removed the tape and put it in a new cassette case, but it wasn't a complete "fix". Note: The cassette player(s) I have been using holds the cassette in a up/vertical (common in modern cassette players) position. I suspect the tape composition used by Ampex is at fault. I would like to get a reply from someone who actually had this problem, if you "fixed" the problem, what technique did you use? Thanks in advance, Brad Before you type your password, credit card number, etc., be sure there is no active keystroke logger (spyware) in your PC. |
#2
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Audio Cassette "Drag" Problem
Brad wrote in message
... Hi, I have been recording audio cassettes (family gatherings & my kids) into MP3 files. Unfortunately one of these cassettes is Ampex (problem brand) with a history of "drag". I removed the tape and put it in a new cassette case, but it wasn't a complete "fix". Note: The cassette player(s) I have been using holds the cassette in a up/vertical (common in modern cassette players) position. I suspect the tape composition used by Ampex is at fault. I would like to get a reply from someone who actually had this problem, if you "fixed" the problem, what technique did you use? Thanks in advance, Brad Before you type your password, credit card number, etc., be sure there is no active keystroke logger (spyware) in your PC. Wind each tape FF to the end and then REW to beginning perhaps . But real/reel problem would likely be slip-clutch/ belt problems -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
#3
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Audio Cassette "Drag" Problem
On Oct 3, 8:07*am, "N_Cook" wrote:
Brad wrote in message ... Hi, * * I have been recording audio cassettes (family gatherings & my kids) into MP3 files. * * Unfortunately one of these cassettes is Ampex (problem brand) with a history of "drag". * I removed the tape and put it in a new cassette case, but it wasn't a complete "fix". *Note: The cassette player(s) I have been using holds the cassette in a up/vertical (common in modern cassette players) position. * * *I suspect the tape composition used by Ampex is at fault. * * *I would like to get a reply from someone who actually had this problem, if you "fixed" the problem, *what technique did you use? * * * * * * * Thanks in advance, *Brad * Before you type your password, credit card number, etc., *be sure there is no active keystroke logger (spyware) in your PC. Wind each tape FF to the end and then REW to beginning perhaps . But real/reel problem would likely be slip-clutch/ belt problems -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list onhttp://home.graffiti.net/diverse:graffiti.net/- Hide quoted text - - Show quoted text - What about spraying some teflon spray on the inside of the case before putting the reels including the tape into the case? This might let the reels turn a little easier. Otherwise, I'd try a second or third tape player. Bob Hofmann |
#4
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Audio Cassette "Drag" Problem
N_Cook wrote:
Brad wrote in message ... Hi, I have been recording audio cassettes (family gatherings & my kids) into MP3 files. Unfortunately one of these cassettes is Ampex (problem brand) with a history of "drag". I removed the tape and put it in a new cassette case, but it wasn't a complete "fix". Note: The cassette player(s) I have been using holds the cassette in a up/vertical (common in modern cassette players) position. I suspect the tape composition used by Ampex is at fault. I would like to get a reply from someone who actually had this problem, if you "fixed" the problem, what technique did you use? Thanks in advance, Brad Before you type your password, credit card number, etc., be sure there is no active keystroke logger (spyware) in your PC. Wind each tape FF to the end and then REW to beginning perhaps . But real/reel problem would likely be slip-clutch/ belt problems See this article http://en.wikipedia.org/wiki/Tape_baking We do this routinely to old 2" quadruplex video tape at work. The tape does indeed get "sticky", some to the point we couldn't roll the transport more than 1 foot (and on a 5000 foot reel this is bad) before the tape simply stopped. We use a commercial food dehydrator 12 hours at 135F. We've done hundreds of 2" reels, some 3/4" cassettes, 1/4" and 1/2" open reel audio tapes. NONE have been ruined so far in the past 3 years of this and ALL have played properly. An electric oven with a circulating fan could work but be VERY certain you keep the temperature down. I don't think a gas oven would be suitable as water vapor is a combustion by-product and might defeat the whole purpose. G² |
#5
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Audio Cassette "Drag" Problem
Brad wrote:
Hi, I have been recording audio cassettes (family gatherings & my kids) into MP3 files. Unfortunately one of these cassettes is Ampex (problem brand) with a history of "drag". I removed the tape and put it in a new cassette case, but it wasn't a complete "fix". Note: The cassette player(s) I have been using holds the cassette in a up/vertical (common in modern cassette players) position. I suspect the tape composition used by Ampex is at fault. I would like to get a reply from someone who actually had this problem, if you "fixed" the problem, what technique did you use? Thanks in advance, Brad See this article http://en.wikipedia.org/wiki/Tape_baking We routinely bake 2" quadruplex video tapes at work using a commercial food dehydrator running 12 hours at 135 F. Several hundred quad tapes, a few 3/4" U-Matic cassettes (plastic housing), 1/2" and 1/4" open reel audio tapes have gone through the process. NONE have been damaged and ALL (so far) have played properly. One of the tapes was a 1/4" alignment tape on a plastic reel. It too is fine. The actual problem is the binder absorbs moisture and while Ampex did have a problem with this until they identified the issue, 3M, Memorex, Fuji and other brands have required baking as well. G² |
#7
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Audio Cassette "Drag" Problem
On 3 oct, 14:35, (Brad) wrote:
Hi, I have been recording audio cassettes (family gatherings & my kids) into MP3 files. Unfortunately one of these cassettes is Ampex (problem brand) with a history of "drag". I removed the tape and put it in a new cassette case, but it wasn't a complete "fix". you probably have sticky shed syndrome - the tape has hydrolised. playing the tape on a good quality machine which has a simpler tape path (ie.e without any extra autostop levers etc) may help. if the contents are valuable you may have to bake it to get it playable. Google is your friend! -B |
#8
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Audio Cassette "Drag" Problem
Another possibility is that the idler tire, if it is rubber, is worn
and/or hardened, causing slippage. One KEY question: Does this cassette deck have one or two capstans? Is it an auto-reverse deck? |
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