Zahl ASD-8 Manual
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Zahl ASD-8 Manual

Analogue audio switching/summing matrix
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ASD-8 Manual
ASD-8
Analogue Audio Switching/Summing Matrix
ASD-8 is an analogue 8 x 8 switching/summing matrix for a wide range of audio applications:
summing & distribution, adapting & balancing, buffering & driving lines. Perfect for setting up
additional I/Os for studio, on-site or OB-Van, adapt consumer to professional equipment, build sums
in communication systems etc.
ASD-8 is designed for professional use in audio and video studios, mobile broadcast and recording
setups, communication systems, public address systems and related applications.
• high audio quality • all transformer I/O • maximum level +22 dBu • +/-15dB I/O trim
• easy operation and clear status indication on front panel • XLR connectors
An external, universal input power supply unit is provided. An additional power inlet may be used for
redundant supply.
Rev. 5
16/04/2009
This document substitutes previous versions.
Page 1 of 12
Zaehl Elektronik-Tontechnik • Odenthaler Str. 47 • D-51465 Bergisch Gladbach • Germany • info@zaehl.com • www.zaehl.com
Distributor (National/International):
sono Studiotechnik GmbH • Haagerstraße 5 • D-81671 München • Tel. +49 89 419671-0 •
sales@sono.de
•
www.sono.de

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Summary of Contents for Zahl ASD-8

  • Page 1 ASD-8 Analogue Audio Switching/Summing Matrix ASD-8 is an analogue 8 x 8 switching/summing matrix for a wide range of audio applications: summing & distribution, adapting & balancing, buffering & driving lines. Perfect for setting up additional I/Os for studio, on-site or OB-Van, adapt consumer to professional equipment, build sums in communication systems etc.

  • Page 2: Table Of Contents

    ASD-8 Manual Contents Important Notes and Safety Instructions..............3 Scope of Delivery ...................... 4 Connection ........................ 5 3.1. Power Supply..........................5 3.2. Audio ............................5 Front Panel & Rear Panel Overview................7 Functions........................8 5.1. Audio Inputs..........................8 5.2. Audio Outputs..........................8 Block Diagram ......................9 Connectors/Pinout....................

  • Page 3: Important Notes And Safety Instructions

    More notes and instructions can be found in the following chapters of this manual. Follow all notes and instructions. The term „equipment“ stands for the ASD-8 unit as well as the provided power supply. 1.1. The equipment must only be used for the purpose described in this manual.

  • Page 4: Scope Of Delivery

    ASD-8 Manual 1.20. Manufacturer’s warranty covers the equipment to be free from defects of quality at the time of delivery for a period of 24 month presumed that the equipment was treated properly according to its intended use all information and safety instructions given in this manual have been followed...

  • Page 5: Connection

    3.1.3. ASD-8 units provide two power inputs. You may connect two power supplies at the same time in order to ensure a fail-safe operation. If power at one of the inputs fails, the other one will take over.
  • Page 6 Pin 3 signal - / b / cold Pin 1 ground / c / shield In case you need to feed an unbalanced input from an ASD-8 output, follow the table below: XLR output ASD-8 input of unbalanced equipment Pin 2...

  • Page 7: Front Panel & Rear Panel Overview

    ASD-8 Manual Front Panel & Rear Panel Overview Rev. 5 16/04/2009 This document substitutes previous versions. Page 7 of 12 Zaehl Elektronik-Tontechnik • Odenthaler Str. 47 • D-51465 Bergisch Gladbach • Germany • info@zaehl.com • www.zaehl.com Distributor (National/International): sono Studiotechnik GmbH • Haagerstraße 5 • D-81671 München • Tel. +49 89 419671-0 •...

  • Page 8: Functions

    ASD-8 Manual Functions 5.1. Audio Inputs Audio input signals are fed from the XLR inputs marked „IN 1“ through to „IN 8“ on the rear panel to the respective input sections on the front panel. Via the OUTPUT ASSIGN switches audio signals can be assigned to any of the 8 output sections.

  • Page 9: Block Diagram

    ASD-8 Manual Block Diagram Rev. 5 16/04/2009 This document substitutes previous versions. Page 9 of 12 Zaehl Elektronik-Tontechnik • Odenthaler Str. 47 • D-51465 Bergisch Gladbach • Germany • info@zaehl.com • www.zaehl.com Distributor (National/International): sono Studiotechnik GmbH • Haagerstraße 5 • D-81671 München • Tel. +49 89 419671-0 •...

  • Page 10: Connectors/Pinout

    ASD-8 Manual Connectors/Pinout 7.1.1. XLR connectors female 3-pole, audio inputs Pin 1 ground / shield Pin 2 + / hot Pin 3 - / cold 7.1.2. XLR connectors male 3-pole, audio outputs Pin 1 ground / shield Pin 2 + / hot...

  • Page 11: Technical Data

    Note on “22 dBu 600 Ω”: Output is set to +22 dBu without load, then loaded with 600 Ω 8.4. Power Inputs ASD-8 requires well regulated DC in a range of 12-24V. A maximum of 27V DC must not be exceeded even by short voltage spikes.

  • Page 12: Measures And Weights

    ASD-8 Manual Measures and Weights 9.1. ASD-8 Unit Case 19“ 1 HU, anodised aluminium/zinc-coated steel Overall measure W x H x D 483 mm x 44,5 mm x 226 mm Thickness of front panel 3 mm Insertion depth 222 mm Weight approx.

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