JCF Audio AD8 Manual Download Page 4

JCF Audio

Rear Panel

AC Power Inlet 

- This 3 pin IEC jack accepts 120VAC @ 50 or 60HZ.  The unit is internally 

reconfigurable for 240VAC operation.

Word Clock Input - 

This BNC jack accepts a standard TTL level word clock input.  The in-

put is 75 ohm terminated and ground referenced.  The input signal is well conditioned and 
doesn’t really have a preference of shape or duty cycle.

Word Clock Output / Biphase input - 

This BNC jack is configured before shipping as a 

word clock output.  This output will be a square wave at the sampling frequency selected.  The 
output impedance is 75 ohms and will have a valid TTL level signal with a terminated line.  
This jack can alternatively be configured as an S/Pdif input for use as a sync source in place of 
the optical input.  Email us for details on how to do that.

AES/EBU Outputs - 

These XLR outputs are 110 ohm, transformer-coupled standard sources. 

They will drive any reasonable amount of 110 ohm terminated cabling effectively.  They are sin-
gle-wire outputs under all conditions.

Opt I/O and Analog Inputs / AES inputs- 

These jacks are standard TOS connectors.  

The optical input jack will accept a 2 channel S/Pdif optical stream for use as a sync source up 
to 96k.  

The optical output jack will output a 2 channel S/Pdif optical stream that mirrors any one port 
on the AES output XLRs.  

Analog inputs 1-8 are floating 2.8k inputs (except 5-8 in D/D PEP are 110 ohm).  The analog 
signals presented here pass to the input attenuators and then to the A/D converters.  Analog 
inputs 5-8 do not go “through” relays.

J C F   A u d i o

A D 8

!

!

3

Summary of Contents for AD8

Page 1: ...U D I O AD8 AD8 MANUAL 1 4 JCF AUDIO LLC 11247 CAMARILLO ST NORTH HOLLYWOOD CA 91602 WWW JCFAUDIO COM contact jcfaudio com 11 2 4 7 C a m a r i l l o S t N H o l l y w o o d C A 9 1 6 0 2 www jcfa ud...

Page 2: ...BU outputs operate in single wire mode exclusively at all sampling frequencies The AD8 can derive its sync source from an Internal reference a Word clock a S Pdif source optical or bnc or Optionally a...

Page 3: ...eam from the top bnc jack If Option is selected the unit will sync to the recovered clock from the option input AES input 1 Analog input jack 5 Data This switch controls the main function of the AD8 I...

Page 4: ...gured as an S Pdif input for use as a sync source in place of the optical input Email us for details on how to do that AES EBU Outputs These XLR outputs are 110 ohm transformer coupled standard source...

Page 5: ...since Option sync will disable A D conversion on 5 8 The AES inputs are standard 110 ohm transformer coupled and fully floating Sync is derived from AES input 1 Analog input 5 Specifications A D Cali...

Page 6: ...lim 20Hz 4dBu yielding 18 3dBFS 69 5 dB 025 all sampling frequencies 20Hz 14dBu yielding 8 3dBFS 69 5 dB 025 all sampling frequencies Frequency Response relative to 0 1k 44 1kHz 20Hz 0 1dB 20kHz 0 4dB...

Page 7: ...s a function of PEP the information that is available at the digital outputs cannot be synchronized to the analog inputs We had considered extending the delay even further on purpose so that it would...

Page 8: ...r to processing See FAQ 2 Alignment Effects Users will notice digital peak level increases with program material using PEP Users should avoid distorting program material unless that is the desire Post...

Page 9: ...intensive it will not work without a dedicated processor for a number of channels commensurate with the AD8 s intended use 3 How can I use the AD8 with a laptop We designed the AD8 with an AES interf...

Page 10: ...ket for a portable AES pro system There are also some AES to Firewire solutions possible 4 Can I have a schematic No There is plenty of public domain information covering similar ideas Details are eve...

Page 11: ...To obtain warranty service the purchaser must contact JCF Audio to obtain in structions where to send the unit for service All authorized returns must be sent to JCF Audio or an authorized JCF Audio r...

Page 12: ...uential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state This warranty...

Reviews: