тут уже не ругаются за ленность в гуглении вопросов)))
http://www.mpamp.com/pedal/pedals-dbd.htmlCurrent consumption: 25 to 32 mA depending on delay setting
Voltage range: 8V to 15V (below 7,5 V delay signal will be muted)
Input impedance IZ: 180K Ohm's
Output drive capability: 10K Ohms
Maximum input voltage: 2V peak 650mV rms
Signal to noise ratio: 80dB
Delay time: approximately 25mS to 450mS
Power requirement: supplied via 2,1 mm standard jack
Input and output connections: via 1/4" Switchcraft
Complete bypass and input of circuit: grounded when in bypass