Mackie SR24•4 Owner's Manual page 63

Modification 2 — Aux Sends 1 and 2 to
Post-fader, Post-EQ
This modification converts Aux 1 and Aux 2
into post-fader, post-EQ effects sends. This
modification can be done on any or all of
channels 1–20 (1–28 on the SR32•4).
1. Remove all cords from the SR24•4 and
place it face down.
2. Remove the five screws from the two
plastic end caps on both sides of the mixer.
3. Remove the end caps.
4. Remove the 20 bottom and side screws from
the bottom of the mixer. Be careful not to
remove the transformer screws which sit
below the surface of the bottom piece.
5. Remove the bottom piece and set it aside.
6. Cut the trace between pad 8 and pad 9.
7. Add a jumper wire between pad 10 and
pad 9 taking care to not smash the wires
down on the circuit board. Let them arch
above if possible.
8. Replace the bottom piece and reattach it
to the mixer with the proper screws.
9. Replace the plastic end caps.
Appendices
10. Hooray, you're done!
9
cut
here
8
16
15
10
14
5
6
Modification 3 — Aux Sends 5 and 6 to
Pre-fader, Pre-EQ
This modification converts Aux 5 and Aux 5
into pre-fader, pre-EQ monitor sends.
1. Remove all cords from the SR24•4 and
place it face down.
2. Remove the five screws from the two
plastic end caps on both sides of the mixer.
3. Remove the end caps.
4. Remove the 20 bottom and side screws from
the bottom of the mixer. Be careful not to
remove the transformer screws which sit
below the surface of the bottom piece.
5. Remove the bottom piece and set it aside.
6. Cut the trace between pad 10 and pad 16.
7. Add a jumper wire between pad 16 and
pad 7 taking care to not smash the wires
down on the circuit board. Let them arch
above if possible.
8. Replace the bottom piece and reattach it
to the mixer with the proper screws.
9. Replace the plastic end caps.
10. Hooray, you're done!
9
8
jumper
here
16
15
cut
7
here
10
14
13
5
6
Appendices
7
jumper
here
13
61