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Summary of Contents for Peavey SMR 821
- Page 1 Stereo Mic/Line Program Audio Mixer User Manual A r c h i t e c t u r a l A c o u s t i c s...
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Page 2: Table Of Contents
Specifications Warranty Statement WARNING! To prevent electrical shock or potential fire hazards, do not expose the SMR 821 to moisture or rain. Before using this product, read the user manuals for further warnings and cautions. The following cautions should be carefully observed when installing, wiring or using this product: DO NOT use any other power supply or cable other than the one provided with this unit. -
Page 3: Thank You
Peavey Architectural Acoustics product line to supplement your new mixer. We are confident that you will find the SMR 821, as well as other Architectural Acoustics products to be of the highest quality available. -
Page 4: Features
SMR 821’s feature set, and how you can maximize your system designs. To fully grasp all of the functionality and possible uses of the SMR 821, please refer to the Applications section later in this manual. -
Page 5: Front Panel Features
12. LEFT/RIGHT LEVEL The Left/Right Level control adjusts the level of the Left and Right outputs. 13. AUX LEVEL The Aux Level control adjusts the output of the Auxiliary output. 14. POWER LED This LED indicates that AC power is applied to the SMR 821. Page 5... -
Page 6: Rear Panel Features
10. EQ Places the 4-band equalizer in or out of the Left and Right signal paths. In the OUT position the equalizer is completely bypassed. 11. BUS LINK SWITCH For use with multiple SMR 821’s, this switch places the mixer in the master or slave mode of operation. -
Page 7: Installation
All connections for the SMR 821 are made on the rear panel. It is recom- mended that you provide an additional 4” of clearance between the rear of the chassis and the interior rear of your equipment rack for wiring harnesses. -
Page 8: Connections
Connections Audio Input The inputs to the SMR 821 are balanced. This means that there are three wires for each connection, a positive, negative and shield. These should be connected to each pin accordingly. Figure 1. Balanced Audio Input Connections Figure 2. -
Page 9: Stereo Input
6’ of the SMR-821. Figure 3. RCA Input Connections Peavey Electronics Corp The Mode switch selects either Stereo mode or Mono mode individ- ually for Channel 7 or 8. In the Stereo mode, the Left input signal feeds the Left mix bus and the Right input signal feeds the Right mix bus via the front panel Level Control. -
Page 10: Master Bus Link
Master Bus Output & Link Connections These connectors allow you to expand your SMR 821. The Bus Links connector has 5 pins for combining multiple SMR 821’s. Using a 4-conductor, shielded cable, you can easily connect between 2 or more units wiring pin-to-pin across multiple SMR 821 mixers. -
Page 11: External Control Connections
External Control Connections The SMR 821 provides a powerful external control option. This feature allows you to configure remote controls for the Master Left/Right volume and the Channel 7/8 select function. The Remote connector provides a simple way to make these connec- tions. -
Page 12: Configuration
Configuration Since the SMR 821 is an analog product, there is not a lot of configuration to worry about. No software, no data cables, no networks and no headaches. However, there are a few things to remember while you begin to use your new SMR 821 mixer. - Page 13 Configuration The next step is to configure the SMR 821’s many rear panel switches for your application. Although the unit is shipped from the factory with default switch values, you should make sure that these settings are correct for YOUR application.
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Page 14: Restaurant
OK food, high prices, young staff and a sports-oriented bar. This is a great market for sound system work, since all of these places have multiple zones of audio, video distribution and paging. The SMR 821 is perfect for these applications and provides a very simple interface for the end user. -
Page 15: Hotel Meeting Room
Hotel Meeting Rooms The SMR 821 is a very powerful product for use in meeting rooms. The use of the Bus Link feature provides the ability to combine, separate or control multiple units. In this example, we shall see how multiple SMR 821’s can be used effectively for meeting room applications. -
Page 16: Presentation Room
SMR-821 would be a dry contact or variable resistance type of connection. Typically, the source controls, in this case the CD player and the tape deck, would be infrared control connections. Page 16 http://aa.peavey.com copyright 2000 All Rights Reserved... -
Page 17: Bar
You need to be able to reinforce the live inputs, provide control for the background music, allow for simple paging and give the bar manager a “turn it down” knob. You can do this and more with the SMR 821. -
Page 18: Small House Of Worship
Small House of Worship For small churches, synagogues or similar houses of worship, the SMR 821 is a perfect choice. A very simple interface, high quality audio performance and multiple outputs make it ideal. Similar products in this price range may be well suited for paging or background music, but generally do not have the audio quality required for speech presentation or live musical performance. -
Page 19: Plant Paging
Plant Paging For large scale paging applications, the SMR 821 is a cost effective option to digital systems. By using multiple units and “busing” common inputs, you can create multiple zone systems. In this example, each area of this facility has it’s own local paging and music audio. -
Page 20: Courtroom
Courtroom In this example, we need more than 6 microphones for this courtroom project. Using the SMR 821’s Bus Link feature, we can easily create a 12x2 mixer. The Master mixer feeds the power amplifiers and the logging recorder. Using the Aux output for the logging recorder provides a separate volume control, and channel assignment. -
Page 21: Frequently Asked Questions (Faq)
By default, the SMR 821’s muting feature is active on both the Left and Right outputs. However, you can disable this feature for the Right channel by enabling the rear panel RT OUT MUTE switch. Also, the AUX output is not affected by the action of the Channel 1 mute feature. -
Page 22: Tech Support
Email: levin@peavey.com (Technical Services Manager) Please take a few minutes and fill out the warranty registration card for your SMR 821. Although your warranty is valid without the registration, the information you provide with the form is crucial to our support group. It enables us to provide better service and customer support, and to keep you informed of new product updates, and software revisions. -
Page 23: Optional Features
Installing the Optional Microphone Input Transformers Optional transformers for use with the microphone input circuits are available from Peavey Electronics Corp. (part # 70500852). The optional transformers may be added one at a time, all at once, or in any combination. To ensure that the trans- formers are properly installed, please refer to the instructions and illustrations in this section. - Page 24 UNLESS a transformer is installed for that channel! BE CAREFUL! Figure 14. Cutaway of circuit board showing jumper locations for installation of optional microphone transformers Page 24 http://aa.peavey.com copyright 2000 All Rights Reserved SMR 821 User Manual Cut Jumper Here...
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Page 25: Channel 7 & 8 Select Sw Itch Defeat Modification
4. Place the top panel on the chassis and replace the 6 screws securing it to the chassis. Figure 15. Cutaway of circuit board showing jumper location for modification of the Channel 7/8 Modification Peavey Electronics Corp Cut Jumper Here... -
Page 26: Functional Block Diagram
SMR 821 User Manual Figure 16. SMR 821 Functional Block Diagram Page 26 http://aa.peavey.com copyright 2000 All Rights Reserved... -
Page 27: E Qualizer Frequency Response Chart
Specifications Figure 17. SMR 821 Equalizer Response Plot Peavey Electronics Corp Page 27... -
Page 28: Specifications
–34dBu –14dBu +20 dB Max gain –54dBu –34dBu +40 dB Min gain –14dBu +6dBu 0 dB –20dBV –10dBV http://aa.peavey.com copyright 2000 All Rights Reserved SMR 821 User Manual Balanced/ Unbalanced Connector Max. –39dBu Balanced +13dBu Ground –19dBu Balanced Ground +33dBu –37dBu... - Page 29 Mic Input Range without pad (optional transformer): Mic Input to Output without pad (optional transformer): Mic Input Range with pad (optional transformer): Mic Input to Output with pad (optional transformer): Peavey Electronics Corp Output Level +21dBu +4dBu +19dBm +21dBu +4dBu +19dBm...
- Page 30 Green: -20dBu Red: 2dB below clipping Output Level Meters -24: -20dBu -2dBu +4dBu +10dBu Clip: 2dB below clipping Domestic: 120Vac, 60Hz 15 Watts nominal Export: 230Vac, 50/60Hz 15 Watts nominal http://aa.peavey.com copyright 2000 All Rights Reserved SMR 821 User Manual...
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Page 31: Warranty Statement
What Peavey Will Do We will repair or replace (at Peavey's discretion) products covered by warranty at no charge for labor or materials. If the product or component must be shipped to Peavey for warranty service, the consumer must pay initial shipping charges. If the repairs are covered by warranty, Peavey will pay the return shipping charges. - Page 32 Features and Specifications subject to change without notice. A product of Peavey Electronics Corporation 711 A Street / Meridian, MS 39301 / USA / (601) 483-5376 / FAX (601) 486-1678 http://aa.peavey.com Copyright 2000 All Rights Reserved 80304714 Printed in USA 4/2000...
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