[BC] Article in RW Workbench--Question?

[Tom Spencer]

I still don't get it.

the tape will play back at the same speed it was recorded, as long as 
the absolute speed is stable.  This WILL find flaky speed controls or 
worn drive belts, but by noting the instability of the playback referred 
to the recording.... highly unlikely that a deck wouldn't play its own 
recordings at the same speed absent major defects in the drive, 
especially one made within the last few minutes.

Now, if I had an MRL / STL cassette with a speed tone... compare THAT 
with the stable oscillator, or, as was posted elsewhere, just using a 
frequency counter to compare the playback with what it's supposed to be.

Thomas G. Osenkowsky wrote:
>> Tom, maybe you can elucidate?
snip
>  We do NOT really care what the exact freq is,
> as long as it is stable. We are comparing what we recorded
> to the input signal. If the speed were wrong, the playback
> freq would be higher or lower than 1000 Hz, or whatever we
> freq we initially recorded.

-- 
Tom Spencer
PG-18-25453 (nee' P1-18-48841)
http://radioxtz.com/