BOSS DD 20 SERVICE NOTES
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Extracted text from BOSS DD 20 SERVICE NOTES (Ocr-read)
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2 Mar.2003 SPECIFICATIONS DD-20: DIGITAL DELAY Nominal Input Level -20 dBu (GUITAR/BASS) +4 dBu (AMPLIFIER SEND/RETURN) Input Impedance 1 M[ohm] Nominal Output Level -20 dBu (GUITAR/BASS) +4 dBu (AMPLIFIER SEND/RETURN) Output Impedance 1 k[ohm] (OUTPUT A (MONO), B) 33 [ohm] (PHONES) Recommended Load Impedance 10 k[ohm] Residual Noise Level -93 dBu or less (IHF-A typ.) *E. LEVEL/F. BACK/TONE knobs are set to the center position Display Custom LCD (with backlit) Controls ON/OFF Pedal MEMORY/TAP Pedal DELAY TIME Knob E.LEVEL Knob F. BACK Knob TONE Knob MODE Knob TAP Button TEMPO Button MEMORY WRITE Button MEMORY SELECT Button Indicators POWER Indicator (serves also as battery check indicator) ON/OFF Indicator MEMORY Indicator TAP Indicator MANUAL Indicator MEMORY Number Indicator 1-4 TEMPO Indicator Connectors INPUT A (MONO) Jack (1/4 inch phone type) INPUT B Jack (1/4 inch phone type) PHONES Jack (stereo 1/4 inch phone type) CTL PEDAL Jack (1/4 inch phone type) OUTPUT A (MONO) Jack (1/4 inch phone type) OUTPUT B Jack (1/4 inch phone type) AC Adaptor Jack Power Supply Dry battery (R6/LR6 (AA) type) x 6: DC 9V AC Adaptor (DC 9V) Current Draw 200 mA (9 V max.) *Expected battery life under continuous use: Carbon: 2 hours Alkaline: 7 hours These figures will vary depending on the actual conditions of use. Dimensions 173 (W) x 158 (D) x 57 (H) mm 6-13/16 (W) x 6-1/4 (D) x 2-1/4 (H) inches Weight 1.2 kg / 2 lbs 11 oz (including batteries) Accessories Owners Manual JAPANESE:(#G6017365) ENGLISH:(#G6017366) Dry battery (LR6 (AA) type) x 6(#********) *We recommend that alkaline batteries be used when replacing the batteries. Options AC Adaptor (PSA-series) *0 dBu = 0.775 Vrms *In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.
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3 DD-20(T)