ROLAND — Main Specifications

May. 2008 DD-7 Main Specifications DD-7: Digital Delay Nominal Input Level Dimensions -20 dBu 73 (W) x 129 (D) x 59 (H) mm 2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches Input Impedance Weight 1 M Ω 440 g / 1 lb (including battery) Nominal Output Level Accessories - 20 dBu Owner’s Manual English (#G2507366R0) Output Impedance Mode Sticker (#G2547154R0) Application Sticker (#G2547160R0) 1 k Ω Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”) (#********) Recommended Load Impedance Dry battery/9 V type (6LR61) (#********) 10 k Ω or greater * The battery that was supplied with the unit is for temporary use-intended primarily for testing the unit’s operation.

Delay Time We suggest replacing this with an alkaline dry cell. 1 ms to 6400 ms Options * Values may vary according to the mode and connections. AC adaptor (PSA-series) Maximum Recording Time 40 seconds (in HOLD mode) Controls * 0 dBu = 0.775 Vrms Pedal switch E.LEVEL knob, F.BACK knob, D.TIME knob, MODE knob * In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. Indicator CHECK indicator (Used for indication of TEMPO, HOLD, and to check battery) Connectors INPUT-A (MONO) jack, INPUT-B jack OUTPUT-A (MONO) jack, OUTPUT-B jack TEMPO/EXP jack, AC adaptor jack (DC 9 V) Power Supply DC 9 V:

Dry battery 6F22 (9 V) type (carbon) Dry battery 6LR61 (9 V) type (alkaline) AC Adaptor (PSA-series: optional) Current Draw 55 mA (DC 9 V) Expected battery life under continuous use: Carbon: 1.5 hours * These figures will vary depending on the actual conditions of use. Alkaline: 6 hours 3