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Boss DD-8 Digital Delay
| Nominal Input Level | -20 dBu | |
| Input Impedance | 1 M ohm | |
| Nominal Output Level | -20 dBu | |
| Output Impedance | 1 k ohm | |
| Recommended Load Impedance | 10 k ohms or greater | |
| Bypass | Buffered bypass | |
| Controls | MODE knob | |
| TIME knob | ||
| FEEDBACK knob | ||
| E.LEVEL(Effect Level) knob | ||
| CARRYOVER switch | ||
| Pedal switch | ||
| Indicator | CHECK indicator (Used for indication of check battery) | |
| Connectors | INPUT-A(MONO)/INPUT-B jack: 1/4-inch phone type | |
| OUTPUT-A(MONO)/OUTPUT-B jack: 1/4-inch phone type | ||
| TEMPO/EXP jack: TRS 1/4-inch phone type | ||
| DC IN jack | ||
| Power Supply | Alkaline battery (9 V, 6LR61) | |
| AC adaptor (PSA series: sold separately) | ||
| Current Draw | 65 mA | |
| Expected battery life under continuous use | Alkaline: Approx. 5 hours | |
| *These figures will vary depending on the actual conditions of use. | ||
| Accessories | Owner’s manual | |
| Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”) | ||
| Dry battery (9 V, 6LR61) | ||
| Options (sold separately) | AC adaptor: PSA series | |
| Footswitch: FS-5U, FS-6, FS-7 | ||
| Expression pedal: FV-500H, FV-500L, EV-30, Roland EV-5 | ||
| SIZE AND WEIGHT | ||
| Width | 73 mm | 2-7/8 inches |
| Depth | 129 mm | 5-1/8 inches |
| Height | 59 mm | 2-3/8 inches |
| Weight (including battery) | 440 g | 1 lb |
| * 0 dBu = 0.775 Vrms | ||
| *The specifications are subject to change without notice. |
