this is from Compass point studios:
I went through some old files here, and didn't yet locate anything from "Back In Black," but I did find what gear AC/DC brought with them here for tracking during 1985-86, produced by George Young.

Here is an excerpt from the equipment list:

2 Marshall 200 watt heads [major or 2000 series - Roe]
23 Marshall 100 watt heads
1 Marshall 50 watt head
3 Marshall 50 watt Combos
1 Marshall 8 x 10" cabinet
10 Marshall 4 x 12" cabinets
2 Ampeg 300 watt Bass heads
1 Crate Amp

7 Gibson SG guitars
1 Epiphone SG guitar
1 Gibsn Firebird Gitar
1 Pink ESP Strat guitar
1 Gibson "Custom" guitar
1 Gibson Dove guitar
2 JD Custom Firebird guitars
1 Gretsch Roc Jet guitar
1 Gretsch Firebird guitar [?]
1 Squire P bass
1 Fender P bass
1 Williams Custom bass

1 Sonar drum kit w/2 Sonar snares
2 Gretsch snares

There were also lots of the normal little stuff, leads, etc.
http://recforums.prosoundweb.com/index. ... msg_131303