Specifications - Boss DD-3A Service Notes

May 2002

SPECIFICATIONS

Power Supply
DC 9 V; Dry battery (6AM6/9V)
AC Adaptor (PSA-series: Option)
Current Draw
45 mA to 65 mA (DC 9V)
Controls
Pedal Switch
EFFECT LEVEL
FEEDBACK
DELAY TIME
MODE SELECTOR Switch
Indicator
Check Indicator (serves also as battery check indicator)
Jacks
INPUT
DIRECT OUTPUT
MAIN OUTPUT
AC Adaptor
System
Analog logalithmic compression and 12 bit quantizing system
Delay Time
12.5 ms (MIN) to 800 ms (MAX)
S (Short) 50 ms (12.5 ms to 50 ms)
M (Middle) 200 ms (50 ms to 200 ms)
L (Long) 800 ms (200 ms to 800 ms)
Hold Time
200 ms (MIN) to 800 ms (MAX) in Hold mode
Frequency Response
Delay Sound: 40 Hz to 7 kHz; +1/-3 dB
Direct Sound: 10 Hz to 60 kHz; +1/-3 dB
Residual Noise
-95 dBu (IHF-A, Typ.)
Input Impedance
1 M ohm
Output Load Impedance
10 k ohm or greater
Dimensions
73 (W) x 129 (D) x 59 (H) mm
2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches
Weight
450 g / 1 lb (including battery)
Accessories
OWNER'S MANUAL
Dry Battery(#********); 6AM6/9V (Alkaline)
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and
"Information")
2
ENGLISH(#2603768702)
JAPANESE(#2603768603)
Options
AC Adaptor PSA-Series
* 0 dBu = 0.775 Vrms