Boss AD-8 - Specifications; Controls; Connectors; TUNER

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Specifications
AD-8: Acoustic Guitar Processor
Nominal Input Level
-20 dBu
Input Impedance
20 M Ω
Nominal output Level
-20 dBu
Nominal Output Level
UNBALANCED OUTPUT A(MONO), B, : 1 k Ω
ELECTRIC GUITAR AMP OUTPUT
BALANCED OUTPUT A, B: 600 Ω
PHONES: 33 Ω
Recommended Load Impedance
10 k Ω
Display
7 segments LED
Controls
ON/OFF pedal
MEMORY ▼ pedal
MEMORY ▲ pedal
BODY TYPE knob
BODY knob
STRING ENHANCE knob
BASS knob
MIDDLE GAIN knob
MIDDLE FREQ knob
TREBLE knob
PRESENCE knob
REVERB knob
OUTPUT LEVEL knob
SELECT button
WRITE button
PITCH button
BYPASS/MUTE button
STEREO/MONO switch
NOR/LIFT switch
Indicators
POWER indicator (serves also as battery check indicator)
ANTI-FEEDBACK indicator
ON/OFF indicator
MANUAL indicator
MEMORY Number indicator 1–4
TUNER meter
TUNER display
TUNER
Reference Pitch
A4: 438–445 Hz (1 Hz units)
Tuning Accuracy
± 3 cents
Connectors
INPUT jack (1/4 inch phone type)
PHONES jack (stereo 1/4 inch phone type)
ELECTRIC GUITAR AMP OUTPUT jack
(1/4 inch phone type)
UNBALANCED OUTPUT A (MONO) jack
(1/4 inch phone type)
UNBALANCED OUTPUT B jack (1/4 inch phone type)
BALANCED OUTPUT A jack (XLR type)
BALANCED OUTPUT B jack (XLR type)
AC Adaptor jack
Power Supply
DC 9 V: Dry battery (R6/LR6 (AA) type) x 6, AC Adaptor
Current Draw
120 mA
Expected battery life under continuous use:
Carbon: 9 hours
Alkaline: 23 hours
* These figures will vary depending on the actual conditions of
use.
Dimensions
250 (W) x 180 (D) x 60 (H) mm
9-7/8 (W) x7-1/8 (D) x 2-3/8 (H) inches
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