Harman dbx 504X Manual Download Page 12 | Manualshive

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Digital Output Card

504X

504X Digital Output Card

®

12

Fig. 4

Location of sync input termina-
tion jumper. “Terminated”
selection is shown.

Word Input (cont.)

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Summary of Contents for dbx 504X

Page 1: ......

Page 2: ...X Digital Output Card 2 Important Safety Instructions The dbx 504X should only be used in a dbx 566 576 586 or 1086 Please follow the safety instructions contained in the manual for the product in whi...

Page 3: ...6 Microphone Preamplifier Compressor dbx 586 Microphone Preamplifier or a dbx 1086 Microphone Preamplifier Processor If you require technical support contact dbx Customer Service Be pre pared to accur...

Page 4: ...nies this product must be mailed within 30 days after purchase date to validate this warranty Proof of purchase is considered to be the burden of the consumer 2 dbx warrants this product when bought a...

Page 5: ...cards by the edges remove the 504X cards from the stat ic protective bags 5 Locate the 4 pin jumper next to the board to board connector on the top board Move the jumper to the 10 Series position if...

Page 6: ...Output Card in a dbx Silver Series product follow these instructions 1 Disconnect all power and audio cables to the Silver Series unit 2 Remove the top cover by removing the 2 screws on each side and...

Page 7: ...X E Carefully install the short 14 pin cable noting polarity from the Silver Series main PCB to the 504X 7 Take the top part of the 504X and mount it carefully to its mating con nector on the lower ca...

Page 8: ...Using the correct cables will prevent dropouts and other intercon nect problems AES EBU OUTPUT Connector The 504X provides AES EBU digital out put format through the XLR connector Be sure to use short...

Page 9: ...oth wordclock in and out The 504X uses low jitter phased locked loops to synchronize to another unit s wordclock output through the 504X s word in jack The 504X will accept a 44 1kHz or a 48kHz wordcl...

Page 10: ...ith channel 1 while a button color of RED is associated with channel 2 So if you wish to send the microphone preamp channel 1 of dbx 576 to both LEFT and RIGHT of the digital output simply press the S...

Page 11: ...of equipment using a tapped configuration using BNC T s as shown below only the last box box C would be ter minated marked T on the circuit board Unfortunately some equipment does not allow the user t...

Page 12: ...Digital Output Card 504X 504X Digital Output Card 12 Fig 4 Location of sync input termina tion jumper Terminated selection is shown Word Input cont...

Page 13: ...range of digital Anyone who is familiar with the technical specifications of digital equip ment knows that the typical maximum signal to noise specifications for 16 bit systems is in the neighborhood...

Page 14: ...D point down to the RMS noise floor and the peaks of the kick drum exceed the 3 THD level by say 15 dB and it still sounds good then we have 15 dB of extra useable headroom Therefore we end up with 70...

Page 15: ...analog to digital conversion process The dbx Type IV Conversion System combines proprietary analog and digital processing techniques to capture a much wider dynamic range than the A D converter could...

Page 16: ...gion begins 4 dB below 0 dB FS full scale of the A D converter What this shows is that below 4 dB FS in the linear region the output signal is the same as the input signal Above this in the loga rithm...

Page 17: ...are used to represent input signals whose voltage level is below 1 2 of the full scale A D input voltage while the other half of the codes are used to represent signals above 1 2 of the full scale A...

Page 18: ...formation The low and high frequency components of the signal are separated in Fig 3c to illustrate this more clearly As you can see the low frequency signal simply gets distorted but maintains most o...

Page 19: ...A D Clip Level 0 dB FS 0 dB FS 4 4 Figure 3c Disproportionate Loss of High Frequency Information Due to Clipping Amplitude Time High Frequency Information Completely Lost High Frequency Content A D Cl...

Page 20: ...he Type IV Over Region You will notice an obvious audible difference With Type IV bypassed you can t help notice the harsh edgy sound of the A D converter clipping With Type IV enabled those nasty art...

Page 21: ...material A weighted 22 kHz bandwidth THD Noise 0 002 typical at 4 dBu 1 kHz input gain at 0 dB Frequency Response 20 Hz to 20 kHz 0 0 5 dB Interchannel Crosstalk 100dB at 1kHz NOTE These specification...

Page 22: ...b with shape set to S1 c with shape set to S2 Parameters Input 60dBFS 1 kHz FFT Length 2048 Sample Rate 48 Khz Averages 32 Graph Steps 1024 a 24 Bit word b 16 Bit truncated output no dither Parameters...

Page 23: ...andy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Int l Fax 219 462 4596 Questions or comments E mail us at customer dbxpro com or visit our World Wide Web home page at www dbxpro com A Harman Inter...

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