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9. CHANNEL 2 OUTPUT LEVEL CONTROL: 

See channel 1 output level control immediately

above.

10. CHANNEL 3 OUTPUT LEVEL CONTROL: 

See channel 1 output level control immediately

above the item immediately above.

11. OUTPUT OVERLOAD INDICATORS: 

These red LEDs illuminate exactly 4 dB below the

onset of clipping, should any of the respective output stages approach this sort of difficulty.

12. lNPUT HEADROOM INDICATOR: 

These four LEDs will illuminate at the appropriate times

to indicate whetherthere is 20dB, 12dB, 6dB or 0dB of headroom left at the input of the analog
to digital converter. (Note: the 0dB LED comes on 2dB before clipping.)

13. INPUT LEVEL CONTROL: 

This rotary control varies the input sensitivity of the unit from off

at the full CCW position to unity at its center ”12:OO” position to +6dB at its full CW position.

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Summary of Contents for AD 13

Page 1: ......

Page 2: ......

Page 3: ...he Rane factory before taking it anywhere for repairs We will help you to identify and locate any specific malfunctions possibly avoid needless shipment or instruct you as to the speediest method for...

Page 4: ...his display is to inform the user as to the amount of delay currently applied to any of the three outputs these outputs being selected by the channel select switch and pointed to by the LED channel po...

Page 5: ...any of the respective output stages approach this sort of difficulty 12 lNPUT HEADROOM INDICATOR These four LEDs will illuminate at the appropriate times to indicate whetherthere is 20dB 12dB 6dB or...

Page 6: ...IN to their locked position places the respective output stage into its transformer balanced mode Pressing the switch again to release it from its IN position causes the output to be placed back into...

Page 7: ...a of the original signal All seriousness aside it really is almost that simple If you ve ever seen an audio waveform play in real time on an oscilloscope you have probably thought that it looked impos...

Page 8: ...response to flat The lower high frequency sensitivity at the output results in a lower output noise level The next stop on the tour is the input level control From the input level control the signal...

Page 9: ...0 microsecond real time interval from 0 to 654 milliseconds after it has been stored All three of the digital to analog converters has access to the data at any time within the boundaries of the maxim...

Page 10: ...check out the units to which you are connecting the AD 13 since manufacturers seem to have difficulty agreeing on the standard or even recognizingthat it exists Some use 3 as hot and 2 as negative how...

Page 11: ...front of the hall and auxiliary reinforcement 40 feet to the rear would require approximately 40 milliseconds of delay on the rear speakers for maximum intelligibility Some experimentation will be re...

Page 12: ...he chain No matter what sort of mixer processor or amplifier you are using gain at the front end will yield the lowest overall noise SETTING LEVELS With most power amplifiers you should find that with...

Page 13: ...tisfies VDE0871 for Class A computing devices RESIDUAL PROPAGATION DELAY 190 s INTERMODULATION DISTORTION SMPTE less than 0 1 4dBu THD NOISE less than 0 l 20 20kHz 4dBu unity gain SIGNAL TO NOISE RATI...

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