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 Post subject: Re: 8 track tape speed
PostPosted: Apr Fri 13, 2018 7:17 pm 
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It's been awhile since I've been into my 8 tracks to any extent, but yes, the tape breaking at the foil was probably the most common problem you would run into, as the tapes aged.

That's why God made the Rat Shack splicing block and leader tape;


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 Post subject: Re: 8 track tape speed
PostPosted: May Fri 11, 2018 10:47 pm 
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Another anomaly was tapes that would wind themselves up too tightly and drag, playing too slow.


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 Post subject: Re: 8 track tape speed
PostPosted: May Mon 14, 2018 11:31 am 
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Yes and it was even worse on the carts that had a plastic roller instead of a rubber one as the slightest tightening of the tape beyond normal would causae it not to play right at all.


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 Post subject: Re: 8 track tape speed
PostPosted: May Mon 14, 2018 6:41 pm 
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Allen G wrote:
Another anomaly was tapes that would wind themselves up too tightly and drag, playing too slow.

That was one of the inherent flaws of the technology. Whenever you have tape rubbing against itself, it ain't good...

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 Post subject: Re: 8 track tape speed
PostPosted: May Mon 14, 2018 7:07 pm 
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Exactly. When I look for an 8 track player I always seek one out that has an AC motor.


An AC motor is not a 100% guarantee. The short time I serviced these units in the early 80's I had a couple of instances where something went wrong within the rotor of the motor. The motor would "hunt". Net result is the music would warble. Only cure was replacement of the motor. Since parts were available back then that is just what happened... FWIR these were 4-pole motors, strange... Yes, there were well lubed and would spin freely...

YMMV

Chas

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 Post subject: Re: 8 track tape speed
PostPosted: May Tue 15, 2018 12:07 pm 
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It could have been the type of motor. Seems like most regular 8 track decks I've seen that used an AC motor had one with a pulley for a flat belt and a fan attached to the pulley to remove heat from the motor. Some of the higher end 8 track decks such as the JVC I have used what I would describe as a much better AC motor based on size, weight and how long it spins down without a belt on it and also used a round belt.

I guess in a way it is like the record players that used AC motors.

You had the commonly used record player motor then some used a much better AC motor.


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