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Summary of Contents for Oakley ADR30
- Page 1 Oakley Sound Systems Analogue Delay – ADR30 User Manual V1.3 Tony Allgood Oakley Sound Systems CARLISLE United Kingdom...
- Page 2 Introduction This is the User Manual for the ADR30 Stereo Ensemble module from Oakley Sound. This document contains an overview of the unit and goes into some detail regarding the operation of the module. It also contains the calibration instructions.
- Page 3 The Oakley Sound ADR30 The Oakley Sound Systems ADR30 is an analogue delay module that processes audio signals to create echo and chorus effects. It uses two Xvive MN3005 bucket brigade delay (BBD) integrated circuits to produce a very distinct 'vintage' sound. Classic companding noise reduction circuitry further add to the sonic characteristics.
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Page 4: Delay Time
Operating Instructions INPUT LEVEL and LED signal metering The input level controls the signal running through the ADR30. It affects both the wet and dry signals. With the pot fully counter clockwise the signal is completely shut off. The two LED signal meter shows the audio signal level going to the bucket brigade delay (BBD) circuitry. - Page 5 – often called self oscillation – by which the final output signal gets louder and louder until the ADR30's built in signal limiting circuitry takes over. At this point the sound becomes heavily distorted and develops an interesting character.
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Page 6: Lfo Depth
Note that the maximum and minimum delay times of the ADR30 are restricted so that excessive swings beyond the limits of the BBDs are not supported. The LFO... -
Page 7: Input And Output Connections
Input and Output Connections The ADR30 has both balanced input and output connections. It is expected that the unit will be fitted with three pole TRS (tip-ring-sleeve) 1/4” sockets. Both input and output are compatible with unbalanced signals and mono jack plugs can be used without detriment to the... - Page 8 Calibration There are eight trimmers on the ADR30 main board. It is essential to have access to an oscilloscope to complete the full calibration routine. All voltages should be measured with respect to a suitable 0V point. That is the ground lead of your scope probe should be connected to 0V.
- Page 9 Set the range switch to short, and set the delay time pot to its central position. Input a 220Hz triangle wave or sawtooth wave into the ADR30. Adjust the input level so that the red PEAK LED is just lit.
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Page 10: Final Comments
Final Comments I hope you enjoy using the Oakley Sound ADR30. If you have any problems with the module, an excellent source of support is the Oakley Sound Forum at Muffwiggler.com. If you have a comment about this user manual, or have a found a mistake in it, then please do let me know either via e-mail or the forum.
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