[net.records] cassette tape

butch (12/27/82)

I have been transferring music to cassette tapes for over 11 years.
I started with TDK cassette tape when I was stationed in the
P. I. and from time to time have tried over brands but have always
returned to TDK.  Some tapes I have are 5 to 6 years old, they have
lost some of the high end but mechanical they work fine.

When buying cassette tapes, you should consider where your tape
deck was made.  I believe the Amer make decks are biased with Amer
brand tape and Japan decks are biased with TDK tape.

Some tapes I have used or OK when I playback with my stereo tape deck,
but played slow in the car tape deck.  The TDK's have given me years
of good play, and I know I played one tape one summer over 200 times.

I do take good care of my tapes:
		1) never leave them outside where they can get exposed
		   to hot or cold temps.
		2) store them in a storage case - away from speakers(magnets)
		   sunlight or dusk.
So, try 3 or 4 brands - putting the some music on all for sound comparison.
If you then find 2 that sound good , try them in your car deck and the
only thing left is how long do they hold-up.  If you take good care of
them they should last over 5 years.

mat (12/28/82)

Regarding the problem with some tapes ( cheap tapes ? ) playing slow in
a car stereo deck ... I have observed this problem too ... and since the
only ``cheap'' tapes I own are pre-recorded ( well ... almost the only ... )
using better tape doesn't seem to be a workable solution.  My deck
is about due for PM now, but can anyone shed any light on this problem
before I pay my friendly car stereo dealer a load of money ?
			hou5a!mat

dmmartindale (12/28/82)

While it's very true that cassette tapes will produce the best
performance on a deck that's been calibrated for that tape (cassette
tapes are particularly sensitive to being biased correctly) you don't
always have to buy the tape based on the way the deck is set up.  You
can have the deck set up for the particular brand of tape.  The place I
bought my cassette deck (plug:  Ring Audio in Toronto) tends to sell
the decks at or near list price, but when you buy the deck they check
its operation and set up all the internal record calibration trimpots
correctly for the 3 or 4 exact types of tape (one for each tape
selector switch position) that YOU specify.  And they do the whole
procedure again one and two years later, all for the original purchase
price.  For example, my deck is set up for BASF Ferro Super LH I, BASF
FeCr II, Maxell UDXLII, and TDK MA, so I can expect good performance
from each of those tapes at the appropriate settings.  I would expect
that the record bias levels, equalization, and record levels would be
wrong for any other type of tape.  Even if you have a front-panel bias
level control to play with, you still can't adjust EQ or record levels
to match another tape (unless with certain Nakamichi decks).
If the deck isn't set up for the tape you are using, you aren't getting
the best possible performance from the tape, and trying to match the tape
to the deck seems to be going about it backwards.  If you check around
the GOOD audio stores in your area, you might find one that provides the
same service.

	Dave Martindale

bill (12/30/82)

One warning on properly adjusting cassette decks for your preferred tape:
many of the less expensive decks use a proportional [very crude] change
in bias when going from [e.g.] TypeI to TypeII, so you can properly
adjust them if and only if the required bias settings for the desired
cassettes are in the right ratio.  On the better decks each tape type
can be calibrated independently (Tandberg, B&O, ReVox, etc).  Even
if bias is independently settable, you won't get best results unless
record EQ (equilization) is independent as well.  

My solution was to get a Sony K-777 deck, which has decent metering and
user-settable bias and record level, as well as usable (independent) defaults.
An auto-biasing deck, such as the Aiwa (has 128 levels for each of bias,
record EQ, record level) is another choice.  I was not impressed by the JVC
deck I tested with the same facility.
		bill cox
		bill@uwisc     ...seismo!uwvax!bill