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Cambridge Audio Edge A

Integrated amplifier with built-in DAC and Bluetooth®

Item # 779EDGEA

100 watts of clean power — provided by dual toroidal transformers — inside an elegant chassis.

100 watts of clean power — provided by dual toroidal transformers — inside an elegant chassis.

Item # 779EDGEA

In stock
$6,499.00

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About the Cambridge Audio Edge A

A beautiful, powerful amp

I'm a sucker for the elegant, uncluttered look of the Cambridge Audio Edge A. And its gorgeous design isn't just for show — the curved extruded aluminum front panel minimizes vibration-induced distortion. Inside, a pair of rugged toroidal transformers supply plenty of stable power for 100 watts per channel of clean, high-current amplification. There's also high-quality Bluetooth with aptX-HD for crystal-clear music streaming and a solid array of analog and digital connections on the back. It's the total package.

A beautiful, powerful amp

I'm a sucker for the elegant, uncluttered look of the Cambridge Audio Edge A. And its gorgeous design isn't just for show — the curved extruded aluminum front panel minimizes vibration-induced distortion. Inside, a pair of rugged toroidal transformers supply plenty of stable power for 100 watts per channel of clean, high-current amplification. There's also high-quality Bluetooth with aptX-HD for crystal-clear music streaming and a solid array of analog and digital connections on the back. It's the total package.

Convenient connections

The amp features balanced stereo XLR and unbalanced stereo RCA inputs and outputs, for making high-grade analog connections. And Cambridge never skimps on digital connections. The back panel includes an HDMI input with ARC (Audio Return Channel) for connecting a compatible TV, and a USB Type-B input for making a wired connection to your computer. In addition, there are two digital optical inputs and a single digital coaxial input. A fantastic-sounding 32-bit/384kHz high-res DAC treats your digital sources with audiophile precision.

The front panel includes a headphone jack for listening during quiet time.

In a class of its own

Cambridge Audio's unique Class XA amplifier topology delivers Class A-like audio quality with improved efficiency and less heat. Compared to a traditional Class AB design, it shifts the crossover point to a position where you hear nearly zero distortion.

Cambridge Edge

In anticipation of their 50th anniversary, Cambridge Audio asked their engineers a simple question — what would they make if anything was possible? More than three years later, a team of nine engineers delivered the Edge line, named after Professor Gordon Edge, the designer of Cambridge Audio's first product, the ground-breaking P40 integrated amplifier.

All Edge circuit components were blind-auditioned solely for their sonic merits — not price, specs, or measured performance. Only the most dynamic, present, clear, and musical ones were chosen. The Edge line embodies Cambridge Audio's signature British sound and 50 years of hi-fi expertise.

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Product highlights:

  • 100 watts x 2 channels into 8 ohms (20-20,000 Hz), 0.02% THD at full rated power
  • 200 watts x 2 channels into 4 ohms
  • proprietary Class XA amplifier design
    • dual audiophile-grade toroidal power transformers for low noise and high-current output
    • replaces conventional capacitors with DC-coupled topology for reduced distortion
  • frequency response: 3-80,000 Hz (±1dB)
  • signal-to-noise ratio: >103dB
  • Bluetooth® with aptX-HD for high-quality streaming
  • remote control included
Connections:
  • balanced stereo XLR inputs provide connectivity for high-end and professional audio sources
  • dual unbalanced stereo RCA inputs
  • HDMI port with ARC (Audio Return Channel) for connecting to a compatible TV
  • dual digital optical inputs (up to 24-bit/96kHz resolution)
  • digital coaxial input (up to 24-bit/192kHz resolution)
  • USB Type-B input for connecting a computer (PCM up to 32-bit/384kHz resolution or DSD files up to 11.2 MHz)
  • balanced XLR and unbalanced RCA preamp outputs
  • 5-way binding post speaker connectors
  • 12-volt trigger in/out
  • RS-232 port for third-party remote control
  • headphone output on front panel
  • if connecting to a TV, please make sure you can select "PCM" output in its audio menu — this DAC cannot decode multichannel Dolby® Digital signals
Dimensions and warranty:

What's in the box:

  • Integrated amplifier
  • 5' AC power cord
  • Remote control
  • 3 "AAA" batteries
  • Bluetooth antenna
  • Mono-minijack cable
  • User Manual

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More details on the Cambridge Audio Edge A

Stacey B.

Features & specs

Performance Specs
Watts RMS per Channel (8-ohms) 100
Watts RMS per Channel (6-ohms) Not given
Watts RMS per Channel (4-ohms) 200
Frequency Bandwidth 3-80k
THD 0.02%
Minimum Impedance 4 ohms
Signal to Noise Ratio 103
Digital Music Features
Built-in DAC (Digital to Analog Converter) Yes
Bluetooth Yes
Wi-Fi N/A
Connections
Total Analog Inputs 3
Phono Input No
Optical Digital Inputs 2
Coaxial Digital Inputs 1
USB Input Yes
Preamp Outputs Stereo RCA, XLR
Headphone Output 3.5mm
Removable Power Cord IEC 3-prong
Dimensions and Warranty
Width (inches) 18-1/8
Height (inches) 5-15/16
Depth (inches) 15-15/16
Weight (pounds) 53.7
Parts Warranty 2 Yrs/5 Yrs registered
Labor Warranty 2 Yrs/5 Yrs registered

Product Research

Features
Connections
Controls

Features

Edge Series: Over three years in the making and utilizing a team of nine engineers, the Edge Series is the embodiment of Cambridge Audio's signature Great British Sound and pinnacle of 50 years of Hi-Fi expertise. When creating the Edge Series, Cambridge Audio chose components based on their sonic merits (not price, not specs, not measured performance). This "listen first, measure later" philosophy means blind-auditioning all price and performance levels and only going with those that sound the most dynamic, give the greatest presence, offer a revealing clarity; and are most musical. The Edge Series is designed and assembled in the UK.

Class XA integrated amplifier: Cambridge Audio's unique Class XA amplifier topology brings Class sound quality, but with improved efficiency and less heat. Cambridge Audio added a bias voltage to a traditional Class AB design to shift the crossover point to a position where distortion is inaudible to the human ear. This unique configuration also produces less heat and makes the whole system much more effective. The Edge A is made to be played loud. So when you do turn it up, expect nothing but a dynamic and punchy sound that captures all the musicality of your songs. For all its power, the Edge A is also remarkably detailed. The sound is finely balanced, with a musical depth and clarity that comes through with every note.

  • Continuous Power Output: 100 watts x 2 channels (8-ohms); 200 watts x 2 channels (4-ohms)
  • THD (Total Harmonic Distortion): <0.02% 20Hz-20kHz at rated power (8-ohms); <0.002% 1kHz at rated power (8-ohms)
  • Frequency Response: 3Hz to 80Hz (+/-1dB)
  • Signal-to-Noise Ratio: >103dB (full power)
  • Crosstalk: <-100dB @ 1kHz

Opposing Twin Toroidal Transformers: Cambridge Audio pioneered the use of toroidal transformers in amplifiers, which led to improved performance. In the Edge A integrated amplifier, Cambridge audio takes it one step further, using opposing twin toroidal transformers. This cancels out electromagnetic interference while offers outstanding power and maintain consistent tonality, no matter how loud its played.

Short Signal Path: To remove the barriers between you and your music, Cambridge Audio worked hard to minimize the number of components in the signal path. With only hand-picked components, the Edge A integrated amplifier has one of the cleanest signal paths available. As a result, the Edge A integrated amplifier delivers a more faithful reproduction of the original recording; an impressively detailed three-dimensional sound, with striking staging and focus. It truly delivers Cambridge Audio's breath-taking, unadulterated British sound (nothing added and nothing taken away).

Unique Printed Circuit Board (PCB): With a revolutionary PCB that reduces interference and creates an incredibly clean signal path, the Edge A plays your favorite music with astonishing depth and clarity. Cambridge Audio designed the Edge A with a circuit board unlike most others. Conventional capacitors were replaced with a DC coupled topology, which reduces distortion for an unaltered, natural sound. . Additionally, a solid-state volume control ensures channels are balanced at any volume.

32-Bit/384kHz DAC: The Cambridge Audio Edge A integrated amplifier utilizes an ultra high-performance, state-of-the-art 32-bit/384kHz DAC (digital-to-analog converter) to bring your digital audio music files to life, with every detail and nuance delivered intact. The Edge A supports 2ch stereo digital audio files up to 32-bit/384kHz PCM and DSD256 (11.2MHz).

  • 32-bit/384kHz PCM and DSD256 (11.2MHz) via USB-B
  • 24-bit/192kHz PCM via HDMI ARC or Coaxial (RCA) digital
  • 24-bit/96kHz PCM via Optical (Toslink) digital

5 Year Warranty With Registration: The EDGE series comes with a standard 2 year warranty, which can be extended to 5 years if you register the product with Cambridge Audio. You can register your product by clicking here.

Connections

Bluetooth 4.1 w/ aptX HD: The Cambridge Audio Edge A integrated amplifier offers built-in Bluetooth 4.1 with support for wireless audio streaming (A2DP) and control (AVRCP). It can be used as a Bluetooth receiver or transmitter. You'll be able to wirelessly stream stored music, music apps, and other audio content from your Bluetooth-enabled smartphone, tablet, desktop computer, laptop, or music player to the Edge A stereo network preamp. In addition to Bluetooth's standard SBC audio codec and Apple's AAC codec, the Edge A also supports Qualcomm's aptX HD. aptX HD is an enhanced codec that supports 24-bit audio over Bluetooth and has been engineered to improve the signal-to-noise ratio, resulting in lower background noise. With the ability to support streams up to 24bit/48kHz, you're able to wirelessly stream from an aptX HD compatible device to the Edge A without sacrificing sound quality and listen to "better-than-CD" quality audio.

  • You can pair multiple device to the Edge A, but only one Bluetooth-enabled source device can be connected and used for playback at a time.
  • Make sure the included Bluetooth antenna is connected to the rear-panel of the Edge A integrated amplifier.

Asynchronous USB-B Input: The asynchronous USB-B input lets you connect the Edge A to your Windows PC or Mac computer for playback of 2ch PCM (32-bit/384kHz) and DSD256 (11.2MHz) music files. The asynchronous USB-B port allows the Edge A to act as a high-quality DAC/sound-card with very low jitter for your computer, offering genuine Hi-Fi quality playback from your stored Hi-Res digital music files. A separate USB driver will be required for playback of 192kHz or 384kHz PCM music files and DSD256 music files from a Windows PC. Windows PC will not require a separate USB driver for 24-bit/96kHz playback. Mac computers do not require a separate USB driver for PCM or DSD playback.

Note: Good practice is to create folders for Artists within which you should have sub folders for each Album which then contain the tracks for that Album. Libraries with thousands of tracks in one folder will progressively slow down the unit's media browsing.

HDMI ARC: The Edge A features a HDMI ARC jack to connect the integrated amplifier to your TV's HDMI ARC input. The integrated amplifier's ARC jack only supports 2ch PCM audio (up to 24-bit/192kHz). It is not compatible with Dolby Digital, DTS, or other multichannel audio formats.

Optical & Coaxial Digital Inputs: The Cambridge Audio Edge A's two optical (toslink) digital inputs and one coaxial (RCA) digital input allow it to act as a high quality upsampling Digital-to-Analog Converter (DAC) to improve the sound from other devices, such as set top boxes, games consoles, or disc players. The optical digital inputs support up 24-bit/96kHz stereo PCM audio, while the coaxial digital input supports up to 24-bit/192kHz stereo PCM audio.

  • If a digital input is connected to a TV, you can enable TV mode in the input settings of the Edge Remote app. This mode minimizes lip-sync delays
    on the audio path by bypassing MQA decoding and also reduces the chance of dropouts and glitches from some TVs.
  • The digital inputs do not support Dolby Digital, DTS, or any other multichannel surround formation.

Balanced & Unbalanced Analog Connectivity: The Cambridge Audio Edge A integrated amplifier offers balanced XLR & unbalanced RCA inputs and outputs. Balanced XLR is a higher-quality connection that can reject noise and interference from source components and amplifiers with with balanced connections.

  • XLR and RCA Line-Level Inputs: The Edge A features a balanced stereo XLR line-level input and two unbalanced stereo RCA line-level inputs to connect an analog, line-level source component (such as a CD or SACD player). There is no Phono input. To connect a turntable, you'll need a turntable with a built-in phono preamplifier or an external phono preamp (sold separately - see Accessories Tab).
  • XLR & RCA Preamp Outputs: The Edge A integrated amplifier is outfitted with a balanced stereo XLR preamp output and an unbalanced stereo RCA preamp output for connecting to an external power amplifier (such as the Edge W power amplifier, sold separately)

Binding Post Speaker Output Terminals: The Edge A integrated amplifier is equipped with a set of heavy-duty, gold-plated, binding post speaker output terminals for the connection of a pair of 8-ohm or 4-ohm loudspeakers. The binding post terminals will accept bare wire (up to 10AWG), pin-connectors, spade-lugs, and banana plugs (single only). High quality 24K gold-plating on the speaker terminals provide excellent signal transfer and resistant to corrosion.

Front-Panel Headphone Jack: The Edge A's front-panel headphone output consists of a 3.5mm jack that allows connection of a set of headphones. Connection of a set of headphones will automatically mute the integrated amplifier's speaker outputs and preamp outputs. Headphone impedance of between 12 and 600 ohms is recommended.

Controls

Simple Volume/Source Knob: Gone are the rows of buttons and dials you often see on high-end audio gear. Instead, the Edge A integrated amplifier features one high-quality dual concentric volume and source select control knob, enabling you to navigate menus and control the volume with a simple twist.

IR Remote: The Edge A comes with an IR remote for wireless operation of the integrated amplifier. The remote provides Power On/Off, Source Selection, Volume/Mute, Play/Pause, Previous/Next Track, and 6 Presets. The 6 Presets store a particular source at a specific volume level.

Trigger In/Link Out: The Edge A integrated amplifier features a 12V Trigger Input (3.5mm) that allows power on/off synchronization with a source component that features a 12V Trigger Output. The integrated amplifier's 12V Link Out (3.5mm) lets you "daisy-chain" the incoming trigger voltage to another amplifier or component in your system for synchronized power on/off of the entire system.

RS232 Port: The player's RS232 port is used for control of the Edge A in custom install situations from an external controller (sold separately). A full protocol is available for the Edge A on the Cambridge Audio website.

Auto Standby: The Cambridge Audio Edge A stereo integrated amplifier will automatically go into Standby mode after 20 minutes of no audio signal or inactivity. This function can be enabled or disabled from the rear-panel.

 

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Customer Q&A

1 question already asked

Q
Hi does this amp have Home Theater Bypass mode?
[ s  Jun 21, 2021 ]
1 answer
A
We have not yet completed our hands-on research of it. Based on the owners manual found on Cambridge Audio's website, there is no mention of being able to bypass or turn of its audio controls (i.e. Volume) for this purpose. It does not appear to have this ability. If it does, we will include that ability in our Details section of this product page
[ Paul  Jun 22, 2021 ]  Staff

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