1. Tuner LCD Display
2. Tuner Button
3. Low Batt. (Low Battery LED Light)
4. High Knob
5. Low Knob
6. Volume Knob
Caution
- The jack should be pluged for proper Preamp working.
(TUNER will works regardless pluging jack)
- There is no output sound, please check if tuner or mute is turned on.
- When LCD screen is dim or no display, please check battery life.
- To prevent battery loss, please unplug jack when preamp is not in use.
- Do not disassemble for repair.
Return to your dealer for service or repair.
- Do not use too much force when operating the control.
Specification
3
4
1
2
Functions
ACUS-3TN PREAMP USER’S MANUAL
Tuner Operation
Tuner Display
The tuner will work with or without a cable plugged into the output jack.
Pushing the tuner button turns ON the tuner. When the tuner is active
the output signal is muted. No sound will go to the amplifier or mixer
when the tuner is active.
Pushing the tuner button again turns the tuner OFF and the output
signal will be active and sound will go to the amplifier.
If the tuner is ON and the tuner button is not pushed within 2 minutes
the tuner will turn OFF automatically and sound returned to the output.
The tuner Note Readout FND Display shows the nearest note of one
plucked string's sound. The Note Read Display read out shows twelve
note possibilities in half steps in “sharps” (for example: A; A#; B; C; C#;
D; D# and so on). For “flat” notes, for example: Bb (B flat) use A#. For
Eb (E flat) use D#.
2.Tuner Button
(for
The tuner will work with or without a cable plugged into the output jack.
3. Low Batt. (Low Battery LED Light)
The LED will light when the battery has lost power. Replace the
battery when this light is on.
This LED light will flash when a cable is connected to the output
jack of the pickup system. This shows the battery is good.
4. HIGH
EQ TONE CONTROL
5. LOW
EQ TONE CONTROL
)
The HIGH and LOW controls are a 2-band equalizer for controlling tone .
The HIGH and LOW tone controls are normal boost / cut shelving controls .
The center detent on these tone controls yields a flat tone response. “+12”
boosts the tone; “-12” cuts the tone.
6. Volume Knob
The VOLUME controls the output volume. Turned fully counter-clockwise it is
completely OFF. Turned fully clockwise it is LOUD!
Battery
A 9-volt battery powers the ACUS-3TN preamp. Before connecting the
instrument to an amplifier or mixer please check that a fully charged 9-volt
battery is connected.
Power on/off Button)
2Band EQ with LCD Tuner
1
2
3
4
5
6
NOTE FLAT
NOTE SHARP
NOTE IN TUNE
Tuner LCD Display
Features :
2Band EQ with LCD Tuner
Input Impedance :
2.2MΩ
Frequency Response :
20Hz~20KHz
Control Range :
Bass :
【±12
dB at 100Hz
】
Treble :
【±12
dB at 10KHz
】
Battery Life :
Pre-amp only,
Tuner off :
700Hours @ 0.7mA
Tuner on with signal :
40Hours @12mA
Power Supply :
9V Alkaline Battery
Function :
For Slim Body Guitar
Auto Chromatic tuning mode
Pick-up :
B-6900(Piezo Ceramic Pick-up)
Output Jack :
6.35mm (1/4”)
Dimension :
W 58.5mm X H 50mm
(2.3” X 2.0”)
