Features MAD PROFESSOR Deep Blue Delay - Factory Made: Factory Made LEVEL: Sets the level of delayed signal mixed with straight guitar tone, fully CCW there is only straight (un-effected) guitar signal heard and fully CW gives the loudest delay. DELAY: Controls the delay time from 25ms (fully CCW) to 450ms (fully CW) REPEAT: Controls the repeats of the delay signal, fully CCW gives one repeat and at fully CW you get infinite feedback. Z in at 1kHz: app. 500K Pout 1kHz in 50k: app. 0uW70 RMS Max load: app. 10K Max output: 3V peak Max current consumption: 5mA5 at 10V Upper freq. -3dB: app. 10KHz Max gain at 1KHz: app. 58 dB Max input signal: 3V peak Supply Voltage range: 7V5-18V Power supply not included