LR Baggs iBeam Onboard-Sm User Manual
Page 7
flush on the guitar side's surface.
1. Once the bezel has been formed, drop it into the existing cutout and screw
the 4 provided screws into the holes until they protrude into the guitar about
1/16”. Do not enlarge the holes in the guitar! If you enlarge the holes, the
screws will not be able to hold the bezel in place to position the preamp.
2. Plug the pickup and strapjack harness into the end of the preamp.
3. Insert a battery into the battery compartment (observe polarity!) and push
the battery compartment into the unit until it click-locks into place. Insert the
preamp into the guitar through the sound hole and place it into the opening
in the bezel from inside of the guitar. Wiggle it around until the screw ends
find the corresponding slots in the chassis. Center the preamp laterally (along
the length of the side) in the bezel and start the screws into the plastic. Hold
the preamp firmly against the side so that it does not “walk” as you tighten the
screws. Before you tighten the screws completely, be sure that the battery
compartment does not bind against the bezel when you open and close the
compartment.
Do not overtighten the screws! This will cause the bezel ends to lift from the
side. Excess overtightening may even cause the screws to cut through the
bezel. It is helpful to watch the edge of the bezel as you tighten; stop when it
seats nicely against the wood.
4. Secure the wires inside of the guitar with the self-stick wire platforms
provided.
1 1 . C O N T R O L S
Caution: Do not remove the battery from the preamp while plugged in.
1. Battery Gauge Light: When the battery light dims, it will be necessary to
replace the battery. To change the battery, simply press the top of the preamp to disengage the click-lock access. This will pop out the battery
compartment.
2. Volume Control: This adjusts the preamp volume.
3. Garrett Null Notch Filter: This knob is used to cancel guitar body resonance feedback. If you experience feedback, slowly sweep the frequency
with the notch filter until it “grabs” and damps this feedback. This frequency will be obvious as the feedback will instantly vanish when you hit it.
4. Treble and Bass Controls: These controls adjust the level of high and low frequency output.
1 2 . S P E C I F I C A T I O N S
Size: 3.8" x 2" x 2.7”
Weight (including battery): 4oz
Battery: single 9v
Current consumption: 2.3mA
Battery life: 200 hrs (alkaline)
Bass: +- 6dB @ 100Hz
Treble: +- 6dB @ 10kHz
Signal to noise: -90dB unweighted
Input impedance: 10 megohms
Output impedance: 620 ohms
Notch filter: off to 320hz
fig. 11
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