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Manual
24/96 AD-DA Converter
Model 2053
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Manual 24/96 AD-DA Converter 2053 Version 1.0 – 8/2000 The information in this document has been carefully verified and is assumed to be correct. However Sound Performance Lab (SPL) reserves the right to modify the product described in this manual at any time. Changes without notice. This document is the property of SPL and may not be copied or reproduced in any manner, in part or full without the authorization of SPL. Limitations of Liability: In no event will SPL be liable for any damages, in
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Contents Security Advices ................................................................ 4 Product Description ......................................................... 4 Mounting General Information ................................................. 5 Steps 1 and 2 .............................................................. 6 Steps 3 and 4 .............................................................. 7 Connections ........................................................................ 8 A
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Security Advices Please consider referring the installation of the unit operating the converter the safety information in the corresponding operation instruction. Please carry out the self-installation only as descri- bed from page 5. In case of queries please contact an expert. Product Description The SPL converter module 2053 combines separately useable A/D and D/A converters, with a wordwidth up to 24 Bits, and a Sample-rate of up to 96 kHz. The D/A converter processes up to 24 Bits autom
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Product Description External synchronization: For synchronization with external sources, AES-data or Word-Clock signals can be used as sync sources. Alternatively the A/D converter can be synchronized to the data adjacent to the D/A converter. For internal/external synchroniza- tion please refer to the chapter "Operation", from page 11. General Information Mounting The SPL converter module 2053 is exclusively offered as an option for certain SPL units. We especially advise electronically inexper
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Mounting Steps 1 and 2 Step 1: Please put the converter module as illust- rated on the unit top and remove the screws of the cover from the back of the upgrade unit. Socket Step 2: Please remove the mounting of the wiring on the back of the cover (eventually cut off the silicon). Socket Connector 6 24/96 AD-DA Converter 2053
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Steps 3 and 4 Mounting Step 3: Connect the cable carefully, without turning, to the socket of the converter. Guideways on socket and plug exclude a wrong connection. Sockel Step 4: Put the converter, as illustrated, without lateral turning in the unit (circuit board above, connection sockets on the head) and connect it with the screws of the cover. The converter is now opera- tional. 24/96 AD-DA Converter 2053 7
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Connections 2 3 1 The converter module provides analog, balanced XLR outputs (1), digital XLR I/Os (AES/EBU) (2) and digital S/P-DIF I/Os (3). In case of using the S/P-DIF output as a WC/AES SYNC input, the S/P-DIF output is no longer available. Important: please never use AES- and S/P- DIF digital inputs simultaneously! Analog XLR Outputs The unit operating 1 2 Wiring XLR Output 3 1 = GND, 2 = hot (+), 3 = cold (-) the module has to be switched off before connecting the Balanced Unbalanced
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Connections Digital I/Os AES/EBU: Inputs and outputs according to the AES/EBU specification for the connection of all digital units specified in accordance to AES/EBU. S/P-DIF: Alternatively to the digital XLR-sockets, the S/P-DIF I/Os can be used for the connection of digital units. The S/P-DIF output (=WC/AES SYNC INPUT) can also be used for external synchronization via external clocks (refer to "Applications, external synchroniza- tion" on page 11). Operation Scope of Functions In contrast to
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Operation AD MODE Switch The AD MODE switch is used to set the desired bit mode and sample rate.The follo- wing list explains the respective switch positions: 16 Bit Mode E = AES Ext. Synchronization to AES clock D = DA Synchronization zum D/A converter C = WC Ext. Synchronization to word clock B = 48 Int. Synchronization to 48 kHz A = 44,1 Int. Synchronization to 44,1 kHz 9 = 96 Int. Synchronization to 96 kHz 8 = 88,2 Int. Synchronization to 88,2 kHz 24 Bit Mode 0 = 88,2 Int. Synchronization to
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Operation External Synchronization External Synchronization (Connection via W/C-AES SYNC INPUT) is required when several signals must be brought together within a chain of digital units, e.g. when connecting several digital units at one console. Since the sample frequencies are never exactly iden- tical, not synchronized sample rates inevitably have different timings - samples are ignored or read twice, usually audible als cracking. By supplying all signal sources with a common frequency, all si
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Applications CHANNEL ONE: Using both converters Referring to the CHANNEL ONE, the separate use of both converters can be for example the conversion of digital signals independent from the A/D converter and to reproduce them in best tonal quality on louds- peakers or headphones. Example: High-quality conversion of a digital conso- le's output signal. Another application is the high-end conversion of digital signals for the further analog processing (refer to "Operation, analog processing of a dig
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Applications Monitoring in 24Bit/96kHz A high standard of monitoring is necessary for judging the recording quality. Therefore all digital signals have to be converted into analog signals to allow reproduction on loudspeakers or headphones. The A/D converter stage is equipped with high- quality components and ensures excellent tonal results. We recommend to use the SPL converter rather than the converters found in DAT recorders, sound cards or digital consoles. Analog processing of a digital sig
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Applications Example 1: Processing a sampler's signal Connect the output of the sampler via AES/EBU or S/P-DIF interface with the input of the converter. The adjustment described in the section above now allows to process the sampler's signal. If the processed signal is to be returned digitally converted to the sampler, the A/D converter has to be synchronized to the D/A converter (= external synchronization; the D/A converter is the source clock for the A/D converter). In this case, please set
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Specifications A/D Converter Wordwidth ................................... 24 Bit Reduced Wordwidth ................ 16 Bit Dither ............................................ triangular Internal sample rates .............. 44.1/48/88.2/96 kHz External sample rates .............. 32-96 kHz Sync sources .............................. AES 11 or word clock THD+N @-1dBFs, 1 kHz ........... <-101dB Dynamic range (A) ................... 110 dB D/A Converter Wordwidth ................................
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Block Diagram 16 24/96 AD-DA Converter 2053
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Measurements D/A: THD&N above input level D/A: THD&N @ 1 kHz FFT 24/96 AD-DA Converter 2053 17
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Measurements A/D: THD&N above input level A/D: THD&N @ 1 kHz FFT 18 24/96 AD-DA Converter 2053
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Warranty SPL electronics GmbH (hereafter called SPL) products are warranted only in the country where purchased, through the authorized SPL distri- butor in that country, against defects in material or workmanship. The specific period of this limited warranty shall be that which is described to the original retail purchaser by the authorized SPL dealer or distri- butor at the time of purchase. SPL does not, however, warrant its products against any and all defects: 1) arising out of materials or
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Sound Performance Lab Sohlweg 55 D-41372 Niederkruechten Germany Tel. +49 2163 9834-0, Fax -20 info@soundperformancelab.com www.soundperformancelab.com 24/96 AD-DA Converter, Model 2053
