SERVICE BULLETIN
MA
6100
S.B.
No. 2
MODIFICATION OF INSTALLATION PROCEDURE
MODEL: MA 6100 Preamp-Amp1ifier
PURPOSE OF MODIFICATION: To prevent front panel glass from
breaking when unit is installed. Screws shipped with
the unit can press against the back of the panel
causing glass to break.
WHAT
UNITS
ARE
AFFECTED:
Serial
No.
7026
To
7439
Export
Serial No. AE1001 To AE1137 Domestic
Other units outside of this serial no. group are not
affected.
WHEN MODIFICATION SHOULD BE MADE: When units are being
installed either in the customers custom installation
or our L 12 equipment cabinet.
PARTS REQUIRED;
4
#6-32
x 3/4
Flat
Head
Machine
Screws
or 4
#6-32
x
1-1/4
Flat
Head
Machine
Screws
PROCEDURE:
1. For custom installation - Follow the normal mounting
instructions using the flathead screws mentioned
above
rather
than
the
fillister
head screws that
were shipped with unit.
2. L 12 Cabinet Installation - Follow the normal mounting
instructions using the 6-32 x 3/4 flat head
machine screws mentioned above rather than the
fillister
head screws that
are
enclosed
with
each
L 12 cabinet.
038-682
BE042003
Mclntosh Laboratory Incorporated
Fillister
Head
Flat Head
2 Chambers Street Binghamton, New York 13903
Phone: Area Code 607-723-3512
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