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Summary of Contents for Pittsburgh Modular Analog Delay
- Page 1 P I T T S B U R G H M O DU L AR A N A L O G D E L AY (2 X 4 0 96 BB D D E L AY L I N E ) Manual Rev 1 6/2011 www.PittsburghModular.com Pittsburgh Modular Analog Delay Manual!
- Page 2 Line (BBD) ICs to produce a distinct analog delay effect. The maximum delay time when shipped is set at 9/10ths of a second. The Analog Delay offers voltage control of the delay time, feedback, and wet signal. A true bypass switch allows the delay to be enabled and disabled quickly.
- Page 3 Analog Delay Control Descriptions Rate Control Knob / Rate CV Input: The Rate control knob adjusts the delay time of the Analog Delay module. Left is a shorter delay and right is a longer delay. Delay time is controlled internally by a VCA.
- Page 4 Analog Delay Control Descriptions Continued... Feedback Output / Mix Output: The Feedback output is an output of the wet signal taken after the wet VCA. The Feedback output is the same signal that is sent to the Mix output. The Mix output is an output of the wet signal taken after the wet VCA and the dry signal taken after the dry control knob.
- Page 5 Start with trim pot 1 set at 12 o’clock. Turning trim pot 1 to the left increases the delay time, turning trim pot 1 to the right decreases the delay time. Pittsburgh Modular Analog Delay Manual!
- Page 6 Calibrating the Analog Delay Continued... Adjusting the Audio Quality and Feedback Amount Audio quality is determined by the four trim pots on the back of the module (3,4,5, and 6). Trim pots 3 and 4 adjusts the audio signal between the BBD ICs.
- Page 7 Calibrating the Analog Delay Continued... Procedure: Use a sine wave from an oscillator to calibrate the Analog Delay. Set trim pot 6 as described above. Set the Rate control knob to 12 o’clock and listen to the mix output. Adjust trim pot 4 as described above to set the desired feedback level.
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