Quote:
Originally Posted by TIMTAPE
There is a spectrogram analyzer in the free audio editing programme Audacity.
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My Mac desktop doesn't have a "line in" socket and only a built-in microphone, so I can't easily use Audacity. So, I think I'll persevere with trying to get the record-playback frequency response within the tolerance specified in the service manual, now that a new R/P head is fitted and physically aligned. I'm confident the electronics side is correct.