Manual Ashly SRA-120

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  • Ashly SRA-120 - page 1

    ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (716) 872-0010 T oll-Free: (800) 828-6308 Fax: (716) 872-0739 Internet: http://www .ashly .com/ SRA-120 Power Amplifier Operating Manual SRA-120 SRA-120 Si g. Cli p SRA-12 0 Stereo Power Amplifier Prot ect Si g. Cli p Ster eo Hea d ph on e s Channel 1 (M ono) Channel 2 Powe r Chan ne l ...

  • Ashly SRA-120 - page 2

    Operating Manual - SRA-120 Power Amplifier 2 T abl e Of Contents 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 UNP ACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 AC POWER REQUIREMENTS . . . . . . . . . . . . ...

  • Ashly SRA-120 - page 3

    3 Operating Manual - SRA-120 Power Amplifier 9 DESIGN THEOR Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 10 TROUBLESHOOTING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 10.1 No Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Ashly SRA-120 - page 4

    Operating Manual - SRA-120 Power Amplifier 4 1. INTRODUCTION Congratulations on your purchase of the Ashly SRA-120 professional stereo power amplifier . This single rack-space (1 3/4" height) amplifier delivers a substan- tial amount of power with exceptional audio quality and many features typically found only in lar ger power am- plifiers, B ...

  • Ashly SRA-120 - page 5

    5 Operating Manual - SRA-120 Power Amplifier 4.2 Output Cables The wire gauge used for speaker cables is impor- tant, in that inadequate wire gauge adds significant re- sistance to the speaker ’ s own impedance, reducing the power which is actually delivered to the speaker . It also results in a decrease in the damping factor and possible fire ha ...

  • Ashly SRA-120 - page 6

    Operating Manual - SRA-120 Power Amplifier 6 Sig. C li p Prot ect Sig. C li p Stere o Hea dph ones Channe l 1 (Mono) Ch ann el 2 Level (dB) Level (dB) - 0 -1 -3 -6 -10 -20 - 0 -1 -3 -6 -10 -20 SRA-120 St ereo Po wer Am p l ifier 6.5 Pr otect Indicators Protect mode in the SRA-120 is automatically activated during extreme fault conditions, as well a ...

  • Ashly SRA-120 - page 7

    7 Operating Manual - SRA-120 Power Amplifier SRA-1 20 Po w er Channel 2 Prot ect 7. REAR P ANEL FEA TURES 7. 1 Inputs The input of the SRA-120 amplifier is equipped with balanced 1/4" tip-ring-sleeve (TRS) phone jacks and balanced screw-terminal inputs. Each channel's connec- tors are internally wired in parallel and may be used with bala ...

  • Ashly SRA-120 - page 8

    Operating Manual - SRA-120 Power Amplifier 8 In situations where the power amp and its signal source are separated by great distances, a ground voltage dif ference may exist between the amp’ s chassis ground and the input cable’ s ground. Connection of these two grounds through the jumper strap may cause lar ge ground currents to flow (which is ...

  • Ashly SRA-120 - page 9

    9 Operating Manual - SRA-120 Power Amplifier 8.2 Stereo Playback Monitoring System Here the SRA-120 is fed from a low line-level (-10dBu) stereo tape machine or CD player . Only the sensitiv- ity switch should be depressed. 8.3 Mono Operation in High Level Bi-Amped System Here the SRA-120 is fed from the high frequency output of a professional two- ...

  • Ashly SRA-120 - page 10

    Operating Manual - SRA-120 Power Amplifier 10 9 . DESIGN THEOR Y Ashly engineers set out to design a single rack space stereo power amplifier delivering a minimum of 120 watts total with the sonic excellence, mechanical rug- gedness and unsurpassed reliability Ashly amps are known for . These qualities were upheld while containing other important p ...

  • Ashly SRA-120 - page 11

    11 Operating Manual - SRA-120 Power Amplifier • Signal present indicators active but clip LED is not: Applied input signal is distorted befor e it gets to the amp. Check to see if a piece of equipment in the signal chain befor e the amp is clipping. Normally the amplifier should be operated with input levels fully CW to maximize headr oom in the ...

  • Ashly SRA-120 - page 12

    Operating Manual - SRA-120 Power Amplifier 12 12. SPECIFICA TIONS 12.1 Output Power: Maximum A verage Power , 0.1% THD, 1KHz RMS W atts Per Channel, Both Channels Driven 8 ohms: 40 W 4 ohms: 60W Bridged Mono Mode: 8 ohms: 120W FTC Continuous Power , 0.1% THD, 20Hz-20KHz RMS W atts Per Channel, Both Channels Driven 8 ohms: 40 W 4 ohms: 55 W 12.2 Fre ...

  • Ashly SRA-120 - page 13

    13 Operating Manual - SRA-120 Power Amplifier 14. SCHEMA TICS: Figur e 15.1: SRA-120 Block Diagram and Wiring Diagram. ...

  • Ashly SRA-120 - page 14

    Operating Manual - SRA-120 Power Amplifier 14 Figur e 15.2: SRA-120 Channel One Schematic Diagram. ...

  • Ashly SRA-120 - page 15

    15 Operating Manual - SRA-120 Power Amplifier Figur e 15.3: SRA-120 Channel T wo Schematic Diagram. ...

  • Ashly SRA-120 - page 16

    Printed in USA 4/97 SRA Rev 3 Operating Manual - SRA-120 Power Amplifier ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (716) 872-0010 Fax: (716) 872-0739 T oll Free (800) 828-6308 Internet: http://www .ashly .com  1997 by Ashly Audio Corporation. All rights reser ved worldwide. ...

Manufacturer Ashly Category Stereo Amplifier

Documents that we receive from a manufacturer of a Ashly SRA-120 can be divided into several groups. They are, among others:
- Ashly technical drawings
- SRA-120 manuals
- Ashly product data sheets
- information booklets
- or energy labels Ashly SRA-120
All of them are important, but the most important information from the point of view of use of the device are in the user manual Ashly SRA-120.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Ashly SRA-120, service manual, brief instructions and user manuals Ashly SRA-120. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Ashly SRA-120.

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A complete manual for the device Ashly SRA-120, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Ashly SRA-120 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Ashly SRA-120.

A complete Ashly manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Ashly SRA-120 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Ashly SRA-120, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Ashly SRA-120, that we can find in the current document
3. Tips how to use the basic functions of the device Ashly SRA-120 - which should help us in our first steps of using Ashly SRA-120
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Ashly SRA-120
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Ashly SRA-120 in a specific country, if it was not possible to solve the problem on our own.

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