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K&K Sound ULTRAPURE Product Manual

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U L T RA PU RE PRE A M P
Overview photo: UltraPure Mini System, installed in a steel string flattop guitar

Package Contents

Pure Pickup, with accessories & manual
UltraPure preamp with battery clip cable
Battery bag
Allen wrench
Output cable with endpin jack
3 cable clamps with adhesive backing: 1 big, 2
small
Cable tie
You Need
9-volt battery
Any materials required for the pickup
installation (see Pure Pickup manual)
UNPLUG THE CABLE FROM THE ENDPIN JACK TO
SWITCH OFF THE BATTERY. USE A SHIELDED
STANDARD MONO ¼" GUITAR CABLE ONLY.
92798 Cape Arago Hwy, Coos Bay, OR 97420 | 541-888-3517 | Toll Free 1-800-867-6863 | kksound.com
This sound hole mounted UltraPure Preamp features
the same EQ and phase switch circuitry as our Pure
XLR Preamp, without the XLR output and with
components that are optimized for longer battery
life. It has a ¼" endpin jack line output.
Features
Volume control slider
Proprietary K&K 3-band EQ with +/-20dB Bass,
Mid and Treble controls
K&K's extra wide band midrange filter,
especially geared towards acoustic guitar
Phase switch: flips the phase 180 degrees if
pressed in
Low battery indication light: comes on at about
6.5-volt operating voltage. There will be at least
3-4 hours playing time left.
Adjustable input gain: a small blue trim pot on
the bottom of the preamp

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Summary of Contents for K&K Sound ULTRAPURE

  • Page 1: Package Contents

    U L T RA PU RE PRE A M P Overview photo: UltraPure Mini System, installed in a steel string flattop guitar Package Contents This sound hole mounted UltraPure Preamp features the same EQ and phase switch circuitry as our Pure •...
  • Page 2: Installation Procedure

    Installation Procedure 1. Hold the UltraPure preamp in the guitar in its desired position to check the fit. Note that different guitars have different soundhole bracing and in some models it may be a tight fit. In very few cases the bracing might be arranged so it would not allow for this type preamp, but this is extremely rare.
  • Page 3: Phase Switch

    OUTPUT (the very end of the circuit) and simply allows you to adjust the volume. To get the best performance out of the UltraPure Preamp, the input gain can be set to fit the instrument you are using. An instrument with a high output signal will require less gain than one with a weaker output.
  • Page 4 The volume slider is always easily accessible. EQ Specifications The Ultrapure Preamp features strong +/-20 db bass, mid, and treble controls. The special super-wide- band midrange filter is absolutely great in combination with the Pure Pickup. The bass control is set to roll of at 100Hz, the midrange at 1.5kHz with...