L.R. Baggs Deluxe Acoustic EQ: Installation Manual & User's Guide
Contents
1. DELUXE ACOUSTIC EQ INSTALLATION MANUAL amp USER S GUIDE CR ERa 483 N FRONTAGE RD NIPOMO CA 93444 1 PACKAGE CONTENTS WWW LRBAGGS COM One 1 Deluxe Acoustic Preamp One 1 Prewired Strapjack Assembly Two 2 self stick wire clips One 1 Mini plug Four 4 black flathead screws 2 OVERVIEW AND CAUTIONS The Deluxe Acoustic EQ is an add on onboard preamp EQ for Hex and LB6 Series pickups The preamp and four band equalizer are designed to be mounted on the side of the guitar providing easy access to onboard EQ and volume controls and provides approximately 300 hours of use from a typical 9 volt battery The installation of this system involves detailed woodworking therefore we recommend that this system be installed by a professional dealer installer We do not provide installation advice or support for home or hobbyist installations A metal routing template designed specifically for this product is available as a separate item This template only outlines holes for the preamp controls and four mounting screws and is mostly recommended for users that intend to use this system without the metal faceplate leaving the controls unlabeled and protruding through small holes in the wood for a more discrete appearance Installers please read the instructions carefully before proceeding and be sure that this product will fit the guitar properly before making any alterations to the instrument We will not be responsible for any damage2. to the guitar or personal injury resulting from installation improper installation use or misuse of the product 3 INSTALLATION 1 Locate a suitable place on the side of the guitar for the control plate The area on either side of the waist is usually a good choice Before committing to a location be sure to inspect the inside of the guitar for any obstructions braces lining etc that might interfere with the preamp The side should curve no more than 1 16 over 3 at the chosen location 2 After deciding on the location for the control plate hold it firmly against the side of the guitar and mark the center of each of the four holes in the corners of the plate with a pointed object Cover the drilling areas with masking tape and drill a 1 16 hole in each of these pilot holes 3 If you will be using the faceplate create a paper template for the cutting area that is roughly the same shape and size as the white rounded rectangle on the faceplate beneath the L R Baggs logo If you are uncomfortable cutting without a firm guide create a paper template and use it to cut a guide from plexiglas or another suitable material Installers that prefer to not attach the faceplate should order a metal cutting template for this product available separately Screw the template firmly to the side of the guitar using the 4 x 1 2 sheet metal screws and spacers provided with the template 4 Chuck a 1 8 cutter in a Dremel router with base s
3. an excess 1kHz when amplified A 3 to 6dB cut is often good here
4. e the plate is rather resilient and must be over bent to set it to the right curvature It is unlikely that your first attempt will be perfect modifying the jig is essential to perfecting this 9 Prepare the guitar for the strapjack by drilling a clean 1 2 hole in the tailblock of the guitar using a step drill It s a good idea to mask off the drilling area to avoid chipping the finish Remove the strap ring from the end of the jack There should still be a star washer and locking nut on the middle of the jack Put the strapjack into the pre drilled 1 2 hole using the nut and star washer as a depth guide The jack should stick out enough to tighten the strap ring onto the threaded barrel of the jack Once the depth is set and the barrel is in the hole screw the strap ring onto the barrel until the assembly is tight Use caution when tightening the strap ring so you don t crack the finish 10 Solder the pickup wire to the mini plug The center of the coaxial cable from the pickup goes to the tip center and the shield goes to the ground Remember to put the barrel of the plug over the pickup wire before you solder 11 Position the preamp on the inside of the guitar with the slide controls and knobs in the routed holes in the side of the guitar Place the control plate on the outside of the instrument over the preamp and screw it to the preamp using the black oval head machine screws provided 12 Plug the pickup and output harness into the app
5. mid slider down until you get a pleasing sound The output level of the preamp is quite hot and you may find that it can overdrive some amps effects etc If you hear distortion simply reduce the volume until it goes away Your guitar may now be plugged into any PA sound system stereo tape recorder direct box effects processor wireless transmitter or guitar amplifier Controls Low EQ band control 100 Hz Use to add or subtract the lower frequencies to add warmth or cut feedback Midrange Control 400hZ to 1 6kHz Sweeps from the upper warmth frequencies to the nasal range of sound Treble control 10kHz The very highest frequencies air or frosting Presence control 5kHz Sss sounds cymbal sizzle brightness Cut here a little to remove P A horn glare or boost to add life to a dull speaker 0 B A T T E R Y LOW MD HI PRES VOL Volume control This controls the amount of signal that gets out of the box For the best system signal to noise ratio we recommend that you run the Deluxe Acoustic Equalizer volume as high as you can without causing the P A to distort Battery status LED Stays on when the unit is on and then flashes when the battery is low The LED will start flashing when the battery reaches 6 volts When it reaches 5 volts it will stop flashing and fade away Mid tune control Boost at 4k for more warmth cut at 8k 1 6k for less nasal quality Many acoustic guitars have
6. o the shank not the blade of the cutter will contact to template when the router base is in contact with the template in routing position 5 Ease the router making a plunge to full depth into the center of each slot to avoid cutting the template Then carefully remove all the wood within the slots using the sides of the template slots as routing guides 6 Remove the template and drill the four 1 16 holes out to a new size of 1 8 Be careful here as these holes are near the outside of the plate and mistakes will not be covered up by it De burr the inside and outside of the slots and holes with sandpaper or a file Remove the masking tape carefully 7 We strongly recommend that cross grain reinforcing braces be added to the inside of the guitar Scrap spruce or mahogany of approximately 3 16 x 3 8 will do nicely These should be glued on the inside of the guitar just above and below the preamp box and should extend across the entire side from lining to lining 8 Fit the control plate to the curvature if any of the side now If there is a curve in the side the plate may be bent to fit with the fabrication of a simple jig If the side has a 1 16 curve over 3 cut a 3 8 curve in a piece of 2x3 scrap wood with a band saw Use this jig with a piece of paper between the plate face and the jig in a vise to bend the plate DO NOT TRY TO BEND THE PLATE FREEHAND AS THIS WILL CAUSE UNEVEN CURVATURE This step requires some judgment becaus
7. ropriate jacks on the preamp 13 Remove the pickup from the slot and rotate it one turn to put a loop in the wire Put the pickup back in its slot This loop will keep the wire from rattling or vibrating against the inside of the guitar 14 Affix the output wire to the side in several places using self stick wire clips to keep it from rattling Install a 9V alkaline battery in the clip on the back of the preamp and restring the guitar You are finished 4 USER S GUIDE The output jack has a switch built into it to turn the preamp on and off When the battery is low 6v the light will flash to remind you to replace the battery This preamp will function down to 4V at which time the light will go out completely Do not leave cord plugged in when not in use Caution Before plugging or unplugging your guitar be sure the volume of whatever you are plugged into is off This will prevent a potentially damaging turn on transient pop from hurting anything down line from it The Deluxe Acoustic Preamp has a four band equalizer with frequencies tailored to acoustic guitars A typical EQ starting point is to boost the low band a little cut the mid add a touch of presence and boost the high ranges slightly Midrange is quite sensitive and most guitars benefit from some cut here Experiment to find the most effective frequency to cut by boosting the slider all the way and adjusting the mid tune knob until you have found the nastiest frequency Then pull the
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