Alpha 8410 Linear Amplifier User Manual
RKR Designs LLC
Setting Up the Amplifier
DOCNUMBER 8410
Document Issue 1.1
Page 4–2
August 2015
44
4
4.2 Connect the Transformer
NOTE
•
The transformer is very heavy. When moving it, use due caution
and handle only by the lifting handle.
•
Do not over-tighten the screws that hold the transformer in place,
as doing so may cause excessive vibrations or noise.
•
If you move the amplifier, even if only from one site to another
locally, remove the transformer first to avoid the possibility of
damage.
Procedure 4-2
Connect the transformer
Step 1
Remove the amplifier cover and set it aside.
Step 2
Position the amplifier on a flat surface, at or near where it is to be used,
with plenty of room for you to work.
The amplifier chassis is designed for the mechanical loads experienced
when the amplifier is on a flat surface with the tilt bail up or down.
Installing the amplifier on a tilt so far that the transformer is cantilevered
or hangs out to any degree can cause the chassis to distort.
Step 3
Pick the transformer up by the handle and move it onto the lip at the edge
of the chassis, about half way into the amplifier.
Step 4
Connect the transformer:
4a
Connect the transformer’s 9-pin white Molex connector to the
matching 3x3 Molex connector on the back of the amplifier’s back
wall. Use the handle to move the transformer all the way into the
amplifier and push it toward the center.
4b
Connect the transformer’s 8-pin orange connector to the matching
pins on the amplifier’s mains board (the upper of the two boards).
4c
Connect the transformer’s 6-pin yellow connector to the matching
pins on the amplifier’s HV board (the lower of the two boards).
4d
Ensure that all connector pins on these three connectors engage fully
and correctly.
Step 5
Secure the transformer into place from the bottom of the amplifier by
inserting the supplied bolts (1/4/20 ½-inch hex bolts) with ¼-inch
washers through the four clearance holes in the chassis and into the nuts
in the transformer base.
