Take the deck back and demand that they pay for it to be aligned correctly
by somebody who knows what they are doing. It's highly unlikely that the
Nagra and B-77 you made your recordings with were that far out of alignment
and highly unlikely that your A-77 would have gone that far out of alignment
with normal wear and tear. A-77s are among the most reliable tape recorders
ever made. In fact more so than their expensive studio counterparts. If they
replaced the heads, I'd also demand a new set because they've probably
ruined them. Proper alignment of new heads is critical because it sets the
You paid a LOT of money and got incompetent service.
Bob Olhsson Audio Mastery, Nashville TN
Mastering, Audio for Picture, Mix Evaluation and Quality Control
Over 40 years making people sound better than they ever imagined!