Bowers & Wilkins CDA-4D Installation Instructions
Important Safety Information
Bowers & Wilkins will not be held responsible for any damage or injury caused by insecure installation. Installation must be carried out in accordance with national building and wiring regulations.
This disclaimer is provided in multiple languages in the original document.
Included Parts
The following components are included with your CDA-4D unit:
- a) CDA-4D Unit: 1x - The main audio amplifier unit.
- b) Mounting Brackets: 2x - For rack mounting the unit.
- c) Rubber Feet: 4x - For surface placement of the unit.
- d) Power Cord: 1x - For connecting the unit to a power source.
- e) Mounting Screws: 4x - Used with mounting brackets.
- f) Feet Screws: 4x - Used to attach rubber feet.
- g) Terminal Block Connector: 1x - For speaker wire connections.
Refer to the diagrams for visual identification of these parts.
Installation Options
The CDA-4D can be installed in two primary ways:
1. Rack Mounting
Attach the two mounting brackets (b) to the sides of the CDA-4D unit (a) using four mounting screws (e). Ensure the unit is securely fastened within a standard equipment rack.
Clearance: Maintain at least 50mm (2 inches) of clearance on each side of the unit for ventilation.
Diagram shows brackets (b) being screwed (e) onto the sides of the unit (a).
2. Surface Placement
Attach the four rubber feet (c) to the underside of the CDA-4D unit (a) using four feet screws (f). Place the unit on a stable, level surface.
Clearance: Maintain at least 50mm (2 inches) of clearance on each side of the unit for ventilation.
Diagram shows rubber feet (c) being screwed (f) onto the bottom of the unit (a).
Connections
Ethernet Connection
An Ethernet connection is mandatory for the initial setup and configuration of the CDA-4D. Connect an Ethernet cable from your network to the ETHERNET port on the rear of the unit.
Diagram shows an Ethernet cable being plugged into the ETHERNET port on the rear panel.
Audio Inputs
The CDA-4D supports multiple audio input types:
- RCA: Connect standard RCA audio cables to the ANALOGUE IN 1 or ANALOGUE IN 2 ports.
- S/PDIF: Connect S/PDIF digital audio cables to the DIGITAL IN 1 port.
- Digital Inputs: The DIGITAL IN 2 port is also available for digital audio sources.
Diagram shows RCA cables connected to ANALOGUE IN ports and S/PDIF cables connected to DIGITAL IN ports on the rear panel.
Speaker Wiring
Connect your loudspeakers using the provided terminal block connector (g).
1. Standard Wiring
Connect speaker wires to the terminals labeled CHANNEL 1 (for Left speakers) and CHANNEL 2 (for Right speakers). Ensure correct polarity by connecting positive (+) terminals to positive (+) and negative (-) terminals to negative (-).
Diagram shows speaker wires connected to the terminal block (g) for Channel 1 and Channel 2, indicating positive and negative terminals.
2. Bridge-Tied Load Wiring
For higher power output to a single speaker, use Bridge-Tied Load configuration. Connect the positive (+) wire to the BRIDGE terminal and the negative (-) wire to the CHANNEL 1 negative terminal on the block (g).
Diagram shows speaker wires connected to the BRIDGE and CHANNEL 1 negative terminals on the terminal block (g).
Power and Initial Setup
Power Connection
Connect the supplied power cord (d) to the power input on the rear of the CDA-4D unit and to a suitable mains power outlet.
Diagram shows the power cord (d) being plugged into the rear of the unit.
Front Panel Indicators
The front panel features indicators labeled '1' and '2', which may provide status information during operation.
Diagram highlights the front panel with numbered indicators.
Web Interface Access
After connecting to your network via Ethernet, you can access the CDA-4D's configuration interface through a web browser. Use the following URL:
https://cda-4d_5555-000001.local
The URL is derived from the unit's model and serial number (e.g., 5555-000001).
Compliance and Support
This device complies with relevant regulations, including Part 15 of the FCC rules and Industry Canada's license-exempt RSSs. Operation is subject to conditions that prevent harmful interference.
Manufacturer:
B&W Group Ltd.
Dale Road
Worthing
West Sussex
BN11 2BH
England
EU Importer:
Bowers & Wilkins
Beemdstraat 11
5653 MA Eindhoven
The Netherlands
Copyright © B&W Group Ltd. E&OE
Compliance marks (CE, UK CA) and recycling information are present on the original document.
