The Alvarez System 600T Tuner
The Alvarez System 600T has been designed to accurately reproduce the natural sound of an acoustic guitar when used with a wide variety of sound reinforcement and recording equipment.
1) BAT Battery Indicator: When a guitar cable is connected to the output jack, the BAT LED will light, and the System 600T preamp/ Eq functions are activated. (Please note that the digital tuner function can be activated without connecting a cable to the output jack). To prevent excessive battery consumption, unplug your cable from the output jack when the System 600T is not in use. When the battery is wearing out, the LED will become dim, and the signal will become distorted. If the LED does not light, remove the chassis and replace the battery.
2) PIEZO: This control adjusts the level of the under- saddle bridge piezo pickup.
3) AUX: This control adjusts the level of the auxiliary input, either a sound hole pickup, or an internally mounted microphone.
4) LEVEL: This switch adjusts the input level of the AUX input. When using a magnetic sound hole pickup, this switch should be set in the up, or -20dB position. When an internal microphone is used, this switch should be set in the down, or +20 dB position.
5) PHASE: This switch reverses the polarity of the PIEZO input relative to the AUX input. If the polarities of the different inputs are "out of phase", a noticeable loss of low frequencies (bass) will occur. If there is a loss of fullness, or low end when two input signals are mixed, reverse the position of this switch (In/ Out) to correct the polarity. Note: If only one input is used, this switch will have no effect.
6) TREBLE: This slider provides +/- 15 dB of boost/ cut at 10kHz. In its center position, there will be no effect.
7) BASS: This slider provides +/- 15dB of boost/ cut at 100Hz. In its center position, there will be no effect.
8) MID: This slider works in conjunction with the MID FREQ control. It provides +/- 15 dB of boost/ cut at the center frequency determined by the MID FREQ control.
9) MID FREQ: This control adjusts the center frequency of the MID slider, variable from 600Hz to 1.2kHz. If the MID slider is set to its center position, no effect will be heard. Maximum effect of this control can be heard as the MID slider is set for boost or cut. Note: The main Eq system (TREBLE/ MID/ MID FREQ/ BASS) controls will only affect the piezo input signal. These controls have no effect on the AUX input signal.
10) MASTER: This control is the Master Volume, which adjusts the overall output of the System 600T, including both the PIEZO and AUX inputs.
11) NOTCH: This switch engages a notch filter, which is used to control feedback in live performance applications. When the switch is in its IN (down) position a deep, narrow band of frequencies is cut from the signal, depending on the position of the FREQ control. This notch filter is located "post Eq" in the circuit and will affect the combined PIEZO and AUX input signals.
12) FREQ: This control adjusts the center frequency of the "anti- feedback notch". With the NOTCH switch engaged, turn the MASTER control up until feedback is heard. Adjust the FREQ control until the feedback disappears.
Alvarez FD60 Acoustic/Electric- Tobacco Sunburst
$649.00 
(See Specs for Tuner at left)!
The FD60 has an Advanced Built-In Tuning Technology! Cutaway thin dreadnought, Maple back & sides, quilted Maple top, Rosewood Abalone inlay fingerboard and more!
Specifications:
Electronics- System 600T
Body Style- Cutaway Thin Dreadnought
Back and Sides- Maple
Top Wood- Quilted Maple
Finish- Tobacco Sunburst
Rosette- Abalone
Binding- Ivory/Black
Fingerboard- Rosewood
Inlays- 12th Fret Diagonal
Machine Heads- Gold Die Cast
Bridge- Rosewood
CASE not included