User manual

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5. The jack can be mounted at a convenient spot
near the endpin of the instrument.
6. Coil up extra cable and secure it, e.g. with
clear tape.
OUTPUT JACK
The Definity pickup comes with a Switchcraft stereo
endpin jack wired in mono. It has a self-adhesive
removable clip attached to it. This jack also allows
for internal mount when the clip is removed. If go
this route, it may require you to temporarily unsolder
the pickup during installation. Please consult a
skilled technician if you choose this option.
Too remove the clip please use a slot screwdriver to
open the snap tab (see photo). Then remove the
black electrical tape that is wound around the jack.
This tape only builds up the diameter of the jack to
match the clip.
INTERNAL JACK INSTALLATION
1. For internal mount only, skip this section if
you are using the clip.
2. Drill or widen the endpin hole to 1/2" using
protective tape to cover the area around the
hole. This helps to prevent chips and
scratches.
3. Unscrew the endpin jack's strap mount knob.
4. Take off the nut and washer.
5. Find out the thickness of your end block and
set the nut on the cap accordingly (see
picture below). Once in place, screw the cap
in as far as it goes.
6. Insert the jack from the inside into the endpin
hole. Tip: a chopstick or something similar
helps to get a hold of the jack and pull it
through the hole.
7. Attach outside washer and nut and tighten.
Use a small Allen wrench or similar in the
small front holes of the jack to hold on while
tightening the nut. Attach the end knob and
tighten by hand.
Important: Make sure that the strap knob screws in
ALL THE WAY over the outer threaded part of the
jack, so that a tiny portion of the thread is exposed
when the strap-knob is tightened. If you don’t do this,
you might experience insufficient signal transmission
and sound cutting in and out.
THE DEFINITY PREAMP
Open the lid of the box (it just pulls off – it snaps back
on) to get access to the battery compartment and to
the adjustment options inside the preamp.
Install a 9-volt battery in the battery compartment.
There are midrange and treble trim-potentiometers
(trim-pots) that can be adjusted with a small
screwdriver. When the little white arrow in the center
of the trimmer is in the 12 o’ clock position, the
setting is flat with no cut or boost. Turning the pots
counterclockwise cuts frequencies, and turning
clockwise boosts frequencies. Mids are centered at
1250Hz (X-wide-band Q) and treble are at 8000Hz
(high shelf).
On the battery side of the circuit board is a phase
(toggle) switch with a small white tab. It has a big
effect on feedback control and on overall tone. There
is a detailed description of the effect on the phase
setting below. Move the white tab left or right (2
positions) and listen. There will be one setting that
sounds better with less feedback.