background image

Figure 1. Block Diagram of the RSA-7806 

Features 

The following features make the RSA-7806 Remote Gain Stereo Amplifier the most flexible, high-
quality card for your audio distribution requirements: 

• 

Local or Remote gain adjustment  

• 

Stereo, mono, or summing operation 

• 

±20 dB and +30/-65 dB gain ranges  

• 

Extremely flat response  

•  3 

Outputs per channel  

• 

Excellent command-mode rejection  

• 

Very low distortion  

• 

Output test points 

• 

66, 150, and 600

 versions available 

• 

Fits Ross 7800 Series and Leitch

*

 880 Series frames 

• 

An improved alternative to the Leitch ARG-880 

•  5 

year transferable warranty 

 

Documentation Terms 

The following terms are used throughout this guide: 

• 

RSA-7806

” also refers to the 

RSA-7806-150

 and the 

RSA-7806-600

 unless 

otherwise noted. 

• 

Frame

” refers to the 

AFR-7812C

 and the

 AFR-7814C

 frames that can house the 

RSA-7806 

cards.  See the respective User Manuals for details.

 

 

• 

Operator

” and “

User

” both refer to the person who uses the 

RSA-7806

 cards. 

• 

Board

”, “

Card

”, and “

Module

” all refer to the 

RSA-7806

 modules, including all 

components. 

• 

System

” and “

Audio system

” refers to the mix of interconnected production and 

terminal equipment in which the 

RSA-7806

 cards operate. 

                                                           

*

 Leitch is a trademark of Leitch Technology Corporation 

RSA-7806 User Manual (Iss. 02)

 

 Introduction 

 

  1-3 

Summary of Contents for RSA-7806

Page 1: ...ote Gain Stereo Amplifier User Manual Covers the following models RSA 7806 Remote Gain Stereo Amplifier RSA 7806 150 Remote Gain Stereo 150 Amplifier RSA 7806 600 Remote Gain Stereo 600 Amplifier Ross...

Page 2: ...of copyrighted software is prohibited Notice The material in this manual is furnished for informational use only It is subject to change without notice and should not be construed as a commitment by...

Page 3: ...quipment damage or a situation which could place the equipment in a non compliant operating state ESD Susceptibility This symbol is used to alert the user that an electrical or electronic device or as...

Page 4: ...th Canadian ICES 003 Cet appareil numerique de classe A est conforme la norme NMB 003 du Canada EUROPE This equipment is in compliance with the essential requirements and other relevant provisions of...

Page 5: ...ral resources Ross Video encourages you to use the appropriate take back systems These systems will reuse or recycle most of the materials from your end of life equipment in an environmentally friendl...

Page 6: ......

Page 7: ...tallation 2 3 Remote Gain Control Connection 2 4 Cable Connections 2 5 ARP 7805 Installation 3 1 In This Chapter 3 1 Static Discharge 3 1 Unpacking 3 1 Overview 3 2 Installation 3 2 Cable Connections...

Page 8: ...ii Contents RSA 7806 User Manual Iss 02...

Page 9: ...n engineering and design expertise since 1974 You will be pleased at how easily your new RSA 7806 fits into your overall working environment Equally pleasing is the product quality reliability and fun...

Page 10: ...r those who require 150 back termination RSA 7806 600 a 600 amplifier card for those who require 600 back termination The RSA 7806 card is housed in a RossGear AFR 7800 series audio frames See Chapter...

Page 11: ...the Leitch ARG 880 5 year transferable warranty Documentation Terms The following terms are used throughout this guide RSA 7806 also refers to the RSA 7806 150 and the RSA 7806 600 unless otherwise n...

Page 12: ...1 4 Introduction RSA 7806 User Manual Iss 02...

Page 13: ...ESD Susceptibility Static discharge can cause serious damage to sensitive semiconductor devices Avoid handling circuit boards in high static environments such as carpeted areas and when wearing synthe...

Page 14: ...805 provides controls for up to 12 channels from a distance of up to 400 meters Alternatively any 10K potentiometer may be used to provide remote control Installation of the RSA 7806 consists of setti...

Page 15: ...ometer RV1 and RV4 will have no effect Board Installation Use the following steps to install the RSA 7806 cards in a RossGear audio distribution frame 1 Refer to the User Manual of the RossGear frame...

Page 16: ...on of the RSA 7806 one or two potentiometers may be required per card Use the following steps and Figures 3 and 4 to connect the Remote Gain potentiometers 1 Connect the A Channel remote gain via the...

Page 17: ...A Cabling Designations for RossGear 7814C and 7812C Series Frames Normal Mode 2 Channel Stereo Use the following table to connect the RSA 7806 to enable Normal Mode with 2 Channel Stereo Table 2 Norm...

Page 18: ...udio Mixer Mode 2 Inputs 6 Outputs RSA 7806 Function Frame Marking RSA 7806 Function A IN A IN B IN B IN MIX OUT1 A OUT1 B OUT1 MIX OUT4 MIX OUT2 A OUT2 B OUT2 MIX OUT5 MIX OUT3 A OUT3 B OUT3 MIX OUT6...

Page 19: ...figures and procedure below Figure 6 Connector Wiring for RSA 7806 Inputs and Outputs Use the following steps to wire the external cables to the removable terminal block connectors 1 Insert a wire in...

Page 20: ...2 8 Installation and Setup RSA 7806 User Manual Iss 02...

Page 21: ...to sensitive semiconductor devices Avoid handling circuit boards in high static environments such as carpeted areas and when wearing synthetic fiber clothing Always exercise proper grounding precautio...

Page 22: ...nected according to the standard stereo wiring template outlined on the rear of the rack frame Installation Use the following steps to install the ARP 7805 Remote Audio Gain Panel 1 Install the RSA 78...

Page 23: ...n provides instructions for connecting cables from the RSA 7806 to the ARP 7805 Connections are as follows Figure 7 Cabling Designations for RossGear RSA 7806 to the ARP 7805 RSA 7806 User Manual Iss...

Page 24: ...3 4 ARP 7805 Installation RSA 7806 User Manual Iss 02...

Page 25: ...Specifications In This Chapter This chapter contains the following sections RSA 7806 Technical Specifications RSA 7806 User Manual Iss 02 Specifications 4 1...

Page 26: ...m Gain Range Normal Range 20dB Wide Range 30 65dB Frequency Response 0 025dB 20Hz to 10kHz Typically 0 08dB 20kHz THD N 0 02 18dBu 0 02 18dBm 0 02 18dBm Intermodulation 0 02 SMPTE Crosstalk Between Am...

Page 27: ...le 2 Power Check Check the power indicator LED on the distribution frame front panel for the presence of power If the power LED is not illuminated verify that the power cable is connected to a power s...

Page 28: ...rmation for the safe installation and operation of your RossGear Product Ross Video policy dictates that all repairs to the RossGear RSA 7806 are to be conducted only by an authorized Ross Video Limit...

Page 29: ...l additional User Manual AFR 7812C Audio Products Frame and Power Supply PS 7813 2 RU holds 12 modules includes 1 power supply AFR 7814C Audio Products Frame and Power Supply PS 7813 1 RU holds 4 modu...

Page 30: ...Notes 6 2 Ordering Information RSA 7806 User Manual Iss 02...

Page 31: ...Notes RSA 7806 User Manual Iss 02 Ordering Information 6 3...

Page 32: ...fter hours Emergency 613 652 4886 ext 333 PHONE Fax 613 652 4425 General Information solutions rossvideo com E MAIL Technical Support techsupport rossvideo com Ross Video Limited 8 John Street Iroquoi...

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