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Power Over Ethernet (PoE) Series Audio Amplifiers
User Manual
AV8-2-LZ-D – 2 Channel, 16W Dante, PoE+ Amplifier
AV20-2-LZ-D – 2 Channel, 40W Dante, PoE++ Amplifier
CVA16-1-CV-D – Single Channel, 40W Dante, PoE+ Amplifier
CVA40-1-CV-D – Single Channel, 40W Dante, PoE++ Amplifier
AV8-2-LZ-D
AV20-2-LZ-D
PoE Series Audio Amplifiers Operations Manual Rev E
Top
CVA16-1-CV-D
CVA40-1-CV-D
Table of Contents
Page 1
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Table of Contents
Related Manuals for Stewart Audio AV8-2-LZ-D
Summary of Contents for Stewart Audio AV8-2-LZ-D
- Page 1 Power Over Ethernet (PoE) Series Audio Amplifiers User Manual AV8-2-LZ-D – 2 Channel, 16W Dante, PoE+ Amplifier AV20-2-LZ-D – 2 Channel, 40W Dante, PoE++ Amplifier CVA16-1-CV-D – Single Channel, 40W Dante, PoE+ Amplifier CVA40-1-CV-D – Single Channel, 40W Dante, PoE++ Amplifier...
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Page 2: Important Safety Instructions
1. Important safety instructions 1. Please read carefully prior to product installation or operation. 2. Read these instructions. 3. Keep these instructions. 4. Heed all warnings. 5. Follow all instructions. 6. Do not use this apparatus near water. 7. Clean only with dry cloth. 8. - Page 3 Loudspeakers may be damaged or destroyed if overpowered. Always check the loudspeaker’s continuous and peak power ratings to prevent such an occurrence. Do not rely solely on the amplifier’s volume control to reduce output power to a level safe for the loudspeakers. 3.3.4.
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Page 4: Table Of Contents
4. Table of Contents 1. Important safety instructions ..................2. Approvals ........................3. Warnings ........................3.1. Explanation of warning symbols .................... 3.2. Warnings ..........................3.3. User responsibility ......................... 5. Welcome ........................5.1. Features ..........................5.2. Unpacking and visual inspection.................... 5.3. Installation and setup ......................6. -
Page 5: Welcome
5. Welcome Congratulations on the purchase of your new Stewart Audio PoE Series audio amplifier. These amplifiers have been designed and built to provide you with years of high-quality audio performance and trouble-free operation. If after reading this operation manual you have questions concerning amplifier installation and operation, please contact your Authorized Stewart Audio dealer, or you may contact us directly. -
Page 6: Rear Panel Connections And Indicators
6. Rear Panel Connections and Indicators AV8-2-LZ-D and CVA16-1-CV-D models: ① ② ③ ④ 1. Dante™ Audio and DC Power Input – Connect a Cat5e/6 cable between this RJ-45 jack and a PoE+ port (30W port power) on the 100/1000BaseT network switch. If using a mid-span PoE+ injector, connect this port to the Power+ Data port on the injector and connect the Data port of the injector to the 100/1000BaseT switch. - Page 7 Inspect carefully for possible shorts or broken wires. Use 4Ω or 8Ω speakers for the low impedance models (AV8-2-LZ-D and AV20-2-LZ-D) and position the switch ③ to match the loudspeaker impedance.
- Page 8 NOTE: Class 2 wiring must be used on the speaker terminals to comply with UL requirements. CAUTION: The speaker terminals represent a shock hazard as they carry 70.7V and 100V when driven with an audio signal. Disconnect the amplifier from the AC power source when working on these terminals PoE Series Audio Amplifiers Operations Manual Rev E Page 8...
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Page 9: Specifications
<0.3% THD + N @ full frequency and power <0.05% THD + N @ 1kHz and full power Signal to Noise Ratio >90dB AV8-2-LZ-D and AV20-2-LZ-D >88dB CVA16-1-CV-D and CVA40-1-CV-D >85dB Channel-to-Channel Separation (Crosstalk) Noise floor ... -
Page 10: Troubleshooting
8. Troubleshooting The Power LED and the LEDs on the RJ-45 jack are not illuminated Verify the integrity of the Cat5e/6 cable and that there are no broken wires. Verify that the Cat5e/6 cable is connected to a PoE powered switch or mid-span injector. ... -
Page 11: Considerations When Using Poe+ Amplifiers
(PD). This is done for safety reasons and to avoid potential damage to the category cable. Stewart Audio has configured our low impedance models with a 2-position switch which limits the output power of the amplifier to avoid shutting down the PoE+ supply. With the constant voltage PoE models, the user must ensure that the total tapped power for all speakers connected to the output does not exceed 16W/40W. -
Page 12: Warranty And Repair Information
One final note: According to the 802.11 standard, an 802.3at (PoE+) PD (powered device) can be connected with to an 802.3af (PoE) PSE. Stewart Audio PoE+ amplifiers adhere to the standard, so it is possible to run these PoE+ amplifiers from PoE PSE’s. But since the PoE PSE can only deliver 15.4W maximum per port (vs. -
Page 13: Return Procedure
NOTE: Any defective products received without an RA number will be returned to sender at their expense. If Stewart Audio is unable to contact the sender in 14 days, the merchandise will be considered scrap and may be disposed of.
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