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English
Main Specications
BOSS DD-7: Digital Delay
Nominal Input Level -20 dBu
Input Impedance 1 MΩ
Nominal Output Level -20 dBu
Output Impedance 1 kΩ
Recommended Load
Impedance
10 kΩ or greater
Power Supply DC 9 V: Dry battery 6LR61 (9 V) type
(alkaline), AC Adaptor (PSA-series:
optional)
Current Draw 60 mA (DC 9 V)
* Expected battery life under
continuous use:
Alkaline: 6 hours
These gures will vary depending on
the actual conditions of use.
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 440 g / 1 lb (including battery)
Accessories Owner’s Manual, Mode Sticker,
Application Sticker Leaet (“USING
THE UNIT SAFELY,” “IMPORTANT
NOTES,” and “Information”), Dry
battery/9 V type (6LR61)
Options AC adaptor (PSA-series)
Footswitch: BOSS FS-5U, FS-7
Expression pedal: Roland EV-5, BOSS
FV-500H, FV-500L, BOSS EV-30
* 0 dBu = 0.775 Vrms
* This document explains the specications of the product
at the time that the document was issued. For the latest
information, refer to the Roland website.