CHORD Electronics 500W Ultima Pro Stereo Instructions

September 18, 2024
Chord Electronics

500W Ultima Pro Stereo

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Specifications:

  • Dimensions: Not specified
  • Frequency response: Not specified
  • Output power (RMS): 500W & 750W
  • Signal-to-noise ratio: Not specified
  • THD: Not specified
  • Output Impedance: Not specified

Product Usage Instructions:

1. Introduction

Ensure the stereo is used in a well-ventilated setting, away
from direct sunlight and heat sources, and has sufficient space
around the unit.

2. Support and Warranty

Contact Chord Electronics for support and warranty
information.

3. Connections and Controls

3.1 Rear and Front Panels

Follow the connections as labeled on the rear and front panels
of the ULTIMA Pro Stereo. Make sure to remove the feet if using in
a rackmountable system.

WARNING: Ensure all system devices are switched
off and volumes are set to zero before making any connections.

4. Operation

WARNING: Always set the volume to zero before
switching on/playback and before connecting/removing
headphones/speakers.

4.1 Power On/Off

To power on ULTIMA Pro stereo, press the power button once until
you feel a click. The button will change to green during safety
checks and then teal when passed.

4.2 Input Selection

Use either balanced XLR inputs or unbalanced RCA inputs; only
one input must be used at a time.

4.3 Output Selection

Use high-quality loudspeaker cable with banana plugs or spades
to connect ULTIMA Pro stereo to speakers. Avoid using bare
wire.

5. Additional Guidelines

  • Wire speakers between red and black terminals only.
  • If the amplifier enters protection mode, unplug the mains cable
    for 30 seconds before re-inserting.

Frequently Asked Questions (FAQ):

Q: What should I do if the amplifier enters protection mode

frequently?

A: If this occurs often, check the connections and speaker
setup. Ensure proper ventilation around the unit and avoid
overloading the amplifier with low impedance speakers.

Q: Can I use bare wire to connect the speakers?

A: While it is possible, it is not recommended. It is best to
use high-quality loudspeaker cables terminated with banana plugs or
spades for optimal performance.

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Chord Electronics Product Communication | English

The Pumphouse, Farleigh Lane, East Farleigh, Kent, ME16 9NB. Great Britain. +44 (0) 1622 721 444 info@chordelectronics.co.uk chordelectronics.co.uk

ULTIMA Pro Stereo 500W & 750W
Manual

V1.1

Chord Electronics ULTIMA Pro Stereo | User manual

1 Contents

Introduction

2

Support and warranty

3

Connections and controls

4

Operation

5

Technical specifications

6

2

Chord Electronics ULTIMA Pro Stereo | User manual
2 Introduction
The ULTIMA PRO STEREO is a British-made high-performance, no-compromise stereo power amplifier, with effortless power reserves. With an all-new ultra-low- noise circuit topology finessed over three decades, the ULTIMA PRO STEREO is a thoroughly modern amplifier with time-proven fit-and-forget performance and reliability. Featuring dual-feed-forward error-correction technology, proprietary power supply tech and active intelligent cooling, the ULTIMA PRO STEREO is the perfect tool for working with today’s high-resolution audio. In addition, its ruler-flat frequency response neither adds to or takes away from the original musical performance.
2.1 Safety and care
· Do not allow the device to come into contact with water or liquids. · Do not spray cleaning products onto the device. Use a clean microfibre cloth to clean the casework. · A further safety document is included in the box. · The device does not contain any user-serviceable components. Do not attempt to open, dismantle or
apply internal third-party devices to it. Doing so will void the warranty. · The device benefits from extensive casework ventilation, however, always ensure the ULTIMA Pro
stereo is used in a well-ventilated setting, away from direct sunlight and heat sources, and has sufficient space around the unit.
3

Chord Electronics ULTIMA Pro Stereo | User manual
3 Support and warranty
For support, please contact the supplying retailer or if you purchased through Chord Electronics you ca send us an email at: pro@chordelectronics.co.uk At the point of sale, Chord Electronics Ltd. provides the ULTIMA pro stereo with a comprehensive fiveyear warranty, which covers defects in materials and workmanship through fair usage. The warranty is transferable with proof of purchase, however, the warranty on ex-demonstration units begins from the retailer`s date of purchase. Warranty claims must be made via the supplying retailer.
4

Chord Electronics ULTIMA Pro Stereo | User manual
4 Connections and controls
4.1 Rear and front panels

A B C DE F G

  • H

A Right channel speaker outputs
D Grounding post G Left channel speaker outputs

B Pair of RJ45 network sockes (for C 15a IEC AC Inlet future upgrades)

E Left balanced XLR input

F Right balanced XLR input

H Power button

*If you’re using ULTIMA Pro in a rackmountable system, the feet are removable for ease of use, unscrew to remove the feet.
WARNING: Ensure all system devices are switched off and any volumes are set to zero before making any connections.

5

Chord Electronics ULTIMA Pro Stereo | User manual
5 Operation
WARNING: Always set the volume to zero before switching on/playback and before connecting/ removing headphones/speakers.
5.1 Power on/off
To power on ULTIMA Pro stereo press the large power button once until you feel a click. The power button will now change to a green colour whilst it begins its initial safety checks. Once the amplifier has passed the safety check, the power button will display a teal colour.
5.2 Input selection
ULTIMA Pro stereo is equipped with both balanced XLR inputs as well as unbalanced RCA inputs ULTIMA Pro stereo has no ability to switch between the inputs therefore, only one must be used.
5.3 Output selection
In order to connect ULTIMA Pro stereo to speakers, use high-quality loudspeaker cable terminated with 4mm banana plugs or 6mm spades. Bare wire can be used, but it is not recommended.
6

Chord Electronics ULTIMA Pro Stereo | User manual
Below is a useful guide which you can print out to use with the unit.
Only wire speaker between red and black speaker terminals.
If amplifier enters protection mode, please unplug mains cable, leave for 30 seconds, and re-insert.
7

Chord Electronics ULTIMA Pro Stereo | User manual
6 Technical specifications

Dimensions
Frequency response Output power (RMS)
Signal-to-noise ratio THD Output Impedance

483 mm (W) x 176 mm (H) x 377 mm (D) (1 ½ Rack mount) 5 Hz – 180 kHz (0.0 to 0.15 / +0.0 to – 2.9 dB) 500W <1% THD 4 750W <1% THD 4 -84 dB (A-weighted) 5 Hz – 20 kHz 0.0008% to 0.003% 0.090

8

References

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