Owners Manual
INSTALLING THE QUANTUM A/D/A MODULES
1) Unplug the power from the SLAM!, wait 10 minutes (to let power supply capacitors discharge)
2) Remove the 2 screws from the back of thetop perforated cover, slide it back and set it aside.
3) Remove the blank back panel, which requires a small Phillips screwdriver to remove the 4 screws.
4) Inside the SLAM!, there is an unused 34 pin (2 rows of 17 pins) connector that has a small red jumper across it, 7
pins back from the front. Use needle-nose pliers to pull off that jumper without bending any pins. Set it aside, but don't
lose it. It relates to the LED meters and A/D overload.
5) Carefully unpack the 2 A/D/A modules, which are static sensitive so you should be grounded and probably have
a wire wrapped on your wrist and the wire's other end connected to the SLAM!. You should have 1 medium sized board
with two Anagram modules on it, 1 module with the new back panel and 3 boards, with a ribbon cable down the middle,
and 2 x 34 way ribbon connectors, and 4 x 4/40 machine screws. Handle them gently.
6) The first thing to install is the "back panel module". Orient it so the text on the back panel is right side up and the
module should slide reasonably easily through the opening. Next use the needle-nose pliers to connect the small ribbon
cable to the pins in the main board - being careful that you have it aligned correctly and aren't about to bend any pins.
Push the connector in when it is in place.
7) Now you can re-use those 4 screws that you removed in step 3 to attach the A/D/A panel to the SLAM! back panel.
It helps to line hole to hole up before putting each screw in.
8) Notice there are 2 three pin connectors on one board and there should be two dangling wires with red Molex female
connectors already wired in the SLAM!, just waiting to be used. The PURPLE wire (L) goes to the lower 3 pins and
the GREY wire (R) goes to the upper 3 pins. Notice that there is a ridge on the Molex connectors that should face the
back panel and is the locking mechanism. These two wires carry the balanced DAC lines to the 1/4" balanced DAC
OUTPUT JACKS.
9) Now you can mount the main board with the two Anagram modules. This board will sit on 4 posts coming up from
the SLAM!'s main board so that the board sits roughly center and towards the back of the chassis. Notice there are 2
34 pin connectors along one side - These should be aligned towards Channel 1 or the LEFT side if you are looking
at the SLAM! from the front.
You can use the 4 x 4-40 machine screws to mount the board. Each screw goes thru a corner hole in the A/D/A board
and into the posts. Be a bit careful, it is easy to cross-thread the nylon stand-offs on three of the posts, the 4th one is
all metal.Locate the black cable (circuit ground cable) That has a washer solder on one end, the washer should be
covered with shrink tubing, remove the shrink tubing to expose the washer.The other end of the cable is soldered to
the main PCB.This cable might be cable tied to some other wires around the area under the VU meters.(some early
units might not have this cable. Unit will work just fine if this wire is not in your unit). Now install this washer between
the A/D/A board and the metal post (front & left if you are looking at SLAM! from the front).Now install the 4-40 screw
to secure the A/D/A board & and the cable w/washer to the metal post. This wire is a redundant ground connection.
10) Now you need to connect the 2 ribbons. The first goes from the SLAM! main board connector (the same one you
pulled the red jumper from) and goes to the A/D/A board directly above. Notice that there is a ridge on the center of
the ribbon connector and a slot on the board connectors and will physically only plug in one way. The second ribbon
goes between the back panel module and the A/D/A board. We suggest folding the excess ribbon so that it sits between
the A/D/A and the back panel module board so that it looks neat and doesn't interfere with sliding the top cover back
on.
11) Time to slide the top back on, screw it down and recoonect power and try out the A/D/A.
12) I guess you'll need to connect the AES/EBU cables, set a sample rate, and word length and probably start with the
filters set at 80K, but you know how to do all that and the panel is marked.
13) If you can, compare these converters with others and with analog tape. Play your reference CDs and especially
punchy CDs through this and your previous favorate DAC. Switch between them. The 1/4" DAC outputs are a tiny
bit cleaner than going through the tubes and XLR output. Feed a signal to your other A to D converter and the SLAM!
simultaenously. Use one DAC and switch the inputs from both A to Ds. Welcome to the world of imaging and
transients. Finally try the SLAM! A to D and back through its own D to A and compare that to the original and other
converters. We want you to be confident.
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