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24 Bit / 48 kHz, 4 Analog Balanced Outputs for DIGI96 & HDSP PCI Cards

Artikelcode: Std-Ra-Rm-24


The AEB4-O (Analog Expansion Board) adds four analog outputs in professional quality to all ADAT capable RME cards. Level adjustment +4 dBu/-10 dBV, 106 dBA SNR and a servo balanced output stage deliver perfect sound and sonic clarity.

The AEB4-O is designed for maximum flexibility. Jumpers allow to route channels 1/2 3/4 or 5/6 7/8 to the four analog outputs. Installation is done in a convenient manner using the supplied bracket, or - as no contact to any slot on the motherboard is needed - at any place inside the computer. Nuts for all TRS jacks and a drilling template are included.

Using the Analog Expansion Board is very simple. The AEB4/8-O operates like any other DA-converter with ADAT input, except that it is connected internally. Therefore 'Force Adat' should be activated in the DIGI96 series Settings dialog, to guarantee an ADAT output signal.

The card's optical ADAT output always works in parallel to the analog output of the AEB4-O. Two jumpers allow to choose, which of the 8 ADAT channels will be present at the 4 analog outputs.

Cards of the DIGI96 series include a freely assignable analog output. Therefore PST, PAD and PRO offer a total of 6 analog output signals with the AEB4-O.


Output AEB4-O 4 x 1/4" TRS jack, servo balanced 
Output AEB8-O 4 x 1/4" TRS jack, unbalanced 
Dynamic ratio 103 dB (RMS unweighted), 106 dBA 
THD+N -95 dB (0.0017 %) 
Frequency response -0.1 dB: 10 Hz - 21 kHz 
Output level for 0 dBFS @ +4 dBu: +12 dBu 
Output level for 0 dBFS @ -10 dBV: +2 dBV 
Crosstalk > 110 dB 
Supported sample rates 32 kHz - 48 kHz 
Output impedance 75 Ohm 
Power supply uses 3.5" floppy connector, 12/5 V DC, 190 mA 
AEB needs no slot on the motherboard 
Standard bracket, board dimensions AEB4: 85 x 95 mm, AEB8: 120 x 95 mm 
1 internal cable 2-pin, 1 power adapter cable 5 1/4" to 2 x 3.5" included 


HDSP 9652 
Two AEBx-I and two AEBx-O or two TEB can be connected and operated simultaneously, in all possible combinations. One TEB can be used together with either one AEBx-I or AEBx-O.


AEBs use the internal ADAT interface of the DIGI cards. Therefore they do not work with the DIGI96 (which did not support ADAT.) To operate the AEB4-I and AEB8-I the used DIGIs must have the connectors ST6/7 on board (for the Word Clock Module.) These were not present on the very first cards of the DIGI96 series (1998 to beginning of 1999.)

One AEBx-I and one AEBx-O can be connected and operated simultaneously, in all possible combinations. Or one TEB.


Multiface and Digiface use the Hammerfall DSP PCI card. This card has no internal inputs or outputs. Therefore no Expansion Boards can be used.


An operation with the Hammerfall or Hammerfall Light requires board revision 1.5 or higher, because the internal connectors ADAT1Out, ADAT2Out and ST7 were not implemented in earlier versions.

One AEBx-I and two AEBx-O can be connected and operated simultaneously, in all possible combinations. Or one TEB and one AEBx-O.

euro 164.10