Fishman ACOUSTIC PERFORMER PRO Manual page 8

A C O U S T I C
F R O N T P A N E L
C H A N N E L 2
Channel 2's input has an impedance of 10 Megohms, which is extremely high and well-suited to piezo bridge transducers and magnetic pickups. It's
also a good match for stick-on pickups. Unlike Channel 1, it has only one input, and therefore has no Level Aux control. It also does not have phan-
tom powering for its input.
P E R F O R M E R
FRONT PANEL - CHANNEL 1 Continued
TREBLE
The Treble control allows you to shape the high-frequency content of your sound. It governs the range from 3,000 Hz to 20,000
Hz and has a boost/cut range of +/-10dB. Overly bright instruments (12-string guitars, mandolins, etc.) can be tamed with a
slight roll-back on the Treble control. Of course, if you want an edgier sound, or need more highs, you can also boost the highs.
Be careful with how much treble you add, since it's easy to overdo it. Very often, your ears will gradually tune out extra bright-
ness, even if your audience doesn't. In addition, if the Acoustic Performer Pro is on the floor, or facing away from you, you may
not be aware of just how bright the tone is. Finally, boosting the treble by exaggerated amounts can increase the noise in
effects and preamplifiers and also increase the likelihood of feedback, especially if you stand very close to the Acoustic
Performer Pro.
NOTE: If you need more treble than the Treble control can provide, you may need to adjust the Tweeter Level control on the
rear panel of the Acoustic Performer Pro.
PHANTOM POWER 15V & 48V INDICATORS
Some pickups and microphones require external, or "phantom" power. When the Rear Panel switches are turned on to provide
this power (15 volts DC to the 1+2 Blend 1/4" jack and the 1/4" mic jack, and 48 volts DC to the Aux/Mic In XLR jack), the
Phantom LEDs glow. Check your pickup's or microphone's manual, or consult its manufacturer to determine whether it needs
phantom powering.
CLIP LED
This LED glows only when incoming signal levels from an instrument exceed the point at which the buffer amplifier or power
amp distorts, a sure sign that the signal level is too "hot." Set the rear panel's Trim control so that the Clip LED only glows when
you whack your instrument's strings exceptionally hard (of course if you tend to always whack them very hard, ignore that sug-
gestion, and instead adjust the Trim control so that it never glows). You may find that you must also set the Level 2 knob to
keep the Clip LED from glowing.
P R O
8