Crestron AMP-8075 User manual

The Crestron® AMP-8075,AMP-8150,AMPI-8075, and AMPI-8150 are

high-efficiency multichannel power amplifiers offering excellent sound

quality. All four feature similar operation. For simplicity within this guide,

the term "amplifier" is used for all models except where noted.

In the Box

1 AMP-8075, AMP-8150, AMPI-8075, or AMPI-8150,

8-Channel Commercial Amplifier

Additional Items

2 Bracket, Rack Ear, 1U (2032122)

2 Bracket, Rear Mounting (2045677)

8 Connector, 2-Pin (2044402)

8 Connector, 3-Pin (2003575)

AMP-8075 and AMP-8150 Only

1 Fuse, 10.0 A, Time Lag, 1.25 in. x 0.25 in., Ceramic Cartridge,

250 V (2017577)

1 Cable, Power, 6 ft 7 in. (2001134)

AMPI-8075 and AMPI-8150 Only

1 Fuse, 6.3 A, Time Lag, 5 x 20 mm, Ceramic Cartridge,

250 V (2024846)

1 Cable, Power (P/N varies by country)

Install the Device

These devices occupy 1U of rack space.

To install the included rack ears:

1. Use a #1 Phillips screwdriver to remove the three screws from each

side of the front of the amplifier as shown in the following illustration.

2. Use the six screws removed in the previous step to attach the included

rack ears to the amplifier.

AMP(I)-8075 and AMP(I)-8150 QuickStart

Crestron® 8-Channel Commercial Amplifiers

To install the included rear mounting brackets:

1. Use a #1 Phillips screwdriver to remove the four screws from the rear

of the amplifier as shown in the following illustration.

2. Use the four screws removed in the previous step to attach the

mounting brackets to the rear of the amplifier.

Then mount the device into the rack using four rack mounting screws (not

included).

Connect the Device

Connect the device as called out in the following illustrations. Connect

power last.

CAUTIONS:

lKeep the device unplugged until all of the input, network, and

speaker wiring is complete.

lCheck the speaker cables for shorts and frayed wiring around the

SPEAKER OUTPUTS connectors.

NOTES:

lEnsure the unit is properly grounded by connecting the chassis

ground lug to an earth ground (building steel).

lTo prevent overheating, do not operate this product in an area that

exceeds the environmental temperature range listed in the table of

specifications on the product web page. Fans provide side-to-side

airflow for cooling. Do not block the ventilation holes.

AMP(I)-8075 and AMP(I)-8150 QuickStart

Crestron® 8-Channel Commercial Amplifiers

Amplifier Front

Amplifier Rear

AMP(I)-8075 and AMP(I)-8150 QuickStart

Crestron® 8-Channel Commercial Amplifiers

Line Input Connection

If an unbalanced connection from a line input is required, use a jumper

between the negative (-) and ground (G) terminals.

Speaker Connections

The speaker outputs can be wired conventionally or they can be bridged to

deliver higher power. Refer to the following illustrations when connecting

speakers.

WARNING: This amplifier is capable of delivering high power to the

loudspeakers. Please use caution and wear adequate hearing

protection if listening at high volume, as continued exposure to high

sound pressure levels can cause permanent hearing impairment or

loss.

Speakers are bridged with the Crestron Avia™ Audio tool, which can be

downloaded from www.crestron.com/software. The possible bridging

combinations are Output 1 & Output 2, Output 3 & Output 4,

Output 5 & Output 6, and Output 7 & Output 8.

NOTE: The minimum load impedance for bridged channels is 8 ohms.

AMP(I)-8075 and AMP(I)-8150 QuickStart

Crestron® 8-Channel Commercial Amplifiers

Fuse Replacement

if the amplifier does not power up when power is turned on, the fuse may

need to be replaced. The fuse holder is located on the rear panel next to

the power switch. To replace the fuse:

1. Disconnect power to the amplifer.

2. Use a flat-head screwdriver to push in the fuse holder.

3. While pushing in the fuse holder, turn the screwdriver

counterclockwise until the fuse holder pops out.

4. Remove the fuse from the fuse holder and insert a new fuse.

Models Required Fuse Type

AMP-8075

AMP-8150

(US & Canada)

10.0 A, Time Lag, 1.25 in. x 0.25 in.,

Ceramic Cartridge, 250 V

AMPI-8075

AMPI-8150

(International/220-240 VAC)

6.3 A, Time Lag, 5 x 20 mm,

Ceramic Cartridge, 250 V

CAUTION: Use the specified type of fuse only. Failure to do so may

cause damage to the amplifier.

NOTE: One spare fuse is included with the amplifier.

5. Insert the fuse holder into the amplifier.

6. Push in the fuse holder with a flat-head screwdriver.

7. While pushing in the fuse holder, turn the screwdriver clockwise until

the fuse holder locks in place.

8. Connect power to the amplifer.

Operate the Device

Apply Power

To turn the amplifier on, move the power switch (located next to the

power connector) to |. To turn the amplifier off, move the power switch to

O. This will also reset the device.

When power is applied to the device, the PWR LED on the front panel

operates with the following behavior:

lGreen - Normal operation

lAmber - Device is booting up

lAmber/Green (cycling) - No network connection

Adjust the Signal Levels

Each channel has an input attenuator on the rear panel. Use these to

adjust the loudness in each zone. To adjust the level of an input, turn the

knob clockwise to increase the signal level, or counterclockwise to reduce

the signal level.

AMP(I)-8075 and AMP(I)-8150 QuickStart

Crestron® 8-Channel Commercial Amplifiers

Monitor Operation

Use the status indicators and VU meters on the front panel to monitor

each speaker output.

LEDs in the STATUS section indicate the following for each output:

lPresence of a fault

lAn overcurrent condition

lA DC offset condition

lExcessive operating temperature

l70 volt operation (100 volt operation for the AMPI-8075 and

AMPI-8150

LEDs in the VU section indicate the signal level of each output and

whether a clipping condition is present.

Reset the Device

Press RESET on the front panel to restart the device.

Connect to Crestron XiO Cloud

Service (Optional)

The Crestron XiO Cloud™ service allows supported Crestron devices

across an enterprise to be managed and configured from one central and

secure location in the cloud. Supported devices are preconfigured to

connect to the service. Use of the service requires a registered Crestron

XiO Cloud account.

NOTE: The device can be disconnected from the service using the

Cloud Services tab in Crestron Toolbox™ software (Functions > Device

Info > Cloud Services). For details, refer to the Crestron Toolbox help

file.

To connect the device to the Crestron XiO Cloud service:

1. Record the MAC address and serial number labeled on the shipping box

or rear panel of the device. The MAC address and serial number are

required in order to add the device to the Crestron XiO Cloud

environment.

2. Do either of the following:

lAccess the Crestron XiO Cloud service at https://portal.crestron.io.

lRegister for a Crestron XiO Cloud account at

www.crestron.com/xiocloud.

For detailed information about using the Crestron XiO Cloud service,

refer to the Crestron XiO Cloud Service User Guide (Doc. 8214) at

www.crestron.com/manuals.

AMP(I)-8075 and AMP(I)-8150 QuickStart

Crestron® 8-Channel Commercial Amplifiers

Visit the Product Page

Scan the QR code to visit the product page.

AMP-8075

www.crestron.com/model/6507619

AMP-8150

www.crestron.com/model/6507608

AMPI-8075

www.crestron.com/model/6507874

AMPI-8150

www.crestron.com/model/6507875

Additional Information

For information on RoHS declarations for the AMP-8075 and AMP-8150, refer to the

AMP-8075 and AMP-8150 Notice (Doc. 8759).

Original Instructions

The U.S. English version of this document is the original instructions.

All other languages are a translation of the original instructions.

Crestron product development software is licensed to Crestron dealers and Crestron

Service Providers (CSPs) under a limited nonexclusive, nontransferable Software

Development Tools License Agreement. Crestron product operating system software is

licensed to Crestron dealers, CSPs, and end-users under a separate End-User License

Agreement. Both of these Agreements can be found on the Crestron website at

www.crestron.com/legal/software_license_agreement.

The product warranty can be found at www.crestron.com/warranty.

The specific patents that cover Crestron products are listed at

www.crestron.com/legal/patents.

Certain Crestron products contain open source software. For specific information, visit

www.crestron.com/opensource.

Crestron, the Crestron logo, Crestron Avia, Crestron Toolbox, and Crestron XiO Cloud

are either trademarks or registered trademarks of Crestron Electronics, Inc. in the

United States and/or other countries. Other trademarks, registered trademarks, and

trade names may be used in this document to refer to either the entities claiming the

marks and names or their products. Crestron disclaims any proprietary interest in the

marks and names of others. Crestron is not responsible for errors in typography or

photography.

Doc. 7813H

05/22/20

AMP(I)-8075 and AMP(I)-8150 QuickStart

Crestron® 8-Channel Commercial Amplifiers

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