background image

AES-SPD  (AES/EBU S/PDIF converter):

Why use an AES/EBU S/PDIF converter:

Often, it is necessary to connect a professional device (AES/EBU)
with some semi-pro or home studio equipment (S/PDIF) or vice
versa. The AES-SPD solves this problem. Also all outputs are
available simultaneously.

Using the AES-SPD:

One switch on the front panel selects between AES/EBU and
S/PDIF. When in S/PDIF mode another switch selects between
coax and optical.
For AES/EBU a cable with an impedance of 110 ohms (also
called an AES/EBU digital audio cable), must be used with long
distances (up to several hundred meters). For short distances
<10 metres, any good microphone cable should be OK.
For S/PDIF coaxial a 75 ohm cable must be used.
For S/PDIF optical a good quality fibre optic cable is
recommended.

AES-SPD block diagram

5

Optical in

Coax in

AES in

High speed

Receiver

Optical

High speed

Receiver

AES/EBU

Coax

High speed

Driver

Optical output

Coax out

AES out

Summary of Contents for Digibox AES D2

Page 1: ...DIGIBOXES USER GUIDE December 2003 Rev 1...

Page 2: ...AES splitter 1 AES D2 2 way AES channel divider 3 AES SPD AES S PDIF converter 5 SPD S4 4 way S PDIF splitter 7 CLK D4 4 way Word Super Clock distributor 9 CLK C4 4 way Word Super Clock converter 11...

Page 3: ...to avoid reflections on the line So one cannot connect an AES output to several AES inputs without changing the impedance of the line and creating reflections The AES S3 solves this problem with its a...

Page 4: ...XLR Female Outputs Three AES EBU XLR Male Specifications One Transformer balanced input on XLR Female Input Impedance 110 Ohms Three Transformer balanced outputs on XLR Male Output impedance 110 Ohms...

Page 5: ...select each output to have any combination of input signal So it is possible to use the unit as a two way splitter or reverse the Left and Right of an AES EBU stereo signal independently on each outp...

Page 6: ...XLR Male Specifications One Transformer balanced AES EBU input on XLR F Input impedance 110 Ohms Two buffered transformer balanced AES EBU outputs on XLR M Output impedance 110 Ohms Channel Selection...

Page 7: ...in S PDIF mode another switch selects between coax and optical For AES EBU a cable with an impedance of 110 ohms also called an AES EBU digital audio cable must be used with long distances up to seve...

Page 8: ...ications AES transformer balanced input on XLR F AES Input impedance 110 Ohms One buffered transformer balanced AES EBU output on XLR M AES Output impedance 110 Ohms S PDIF input on Phono coax and TOS...

Page 9: ...e So one cannot connect an S PDIF output to several S PDIF inputs without changing the impedance of the line and creating reflections The SPD S4 solves this problem with its ability to drive up to 7 d...

Page 10: ...ax S PDIF Phono RCA Three Optical S PDIF TOS Link Specifications One S PDIF input on Phono coaxial Input impedance 75 ohms One TOS Link input optical connector Four buffered coaxial outputs on phono O...

Page 11: ...ct a Clock output to several Clock inputs without changing the impedance of the line and creating reflections The CLK D4 solves this problem with its ability to drive up to four different devices Usin...

Page 12: ...Connections Inputs One Clock input BNC Four Clock outputs BNC Specifications Input on BNC Input impedance 75 ohms or open Buffered output on BNC Output impedance 75 ohms Jitter 0 5ns 10...

Page 13: ...icate whether the input is Word Clock or Super Clock and one other LED which is only used with a Word Clock input and indicates whether Super Clock is locked at the output not used with a Super Clock...

Page 14: ...input BNC Four Clock outputs BNC Specifications Input impedance 75 ohms or un terminated Output impedance 75 ohms LED indication of Word Clock or Super Clock input LED indication of Word Clock to Supe...

Page 15: ...r clock at an affordable price Also each pair of outputs can independently deliver Word Clock or Super Clock Super clock is a high speed clock developed by Digi Design the frequency is 256 times that...

Page 16: ...s Output A Two Clock outputs BNC Output B Two Clock outputs BNC Specifications Four buffered outputs on BNC Output impedance 75 ohms Sample Rate 44 1 48 88 2 96 kHz Precision stability 3 5 ppm Jitter...

Reviews: