ARCAM A25 HiFi Amplifier 2x100W/8ohm

1,880.00 incl. GR VAT

Available on backorder

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The ARCAM A25 is the best sounding, and most feature rich of our Radia Integrated amplifiers. The visual luxurious highlights hint towards the more luxurious musical experience that it offers. This is achieved with a 5th generation Class G amplifier design. You can expect the best sound quality and dynamics from what has always been […]

 

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The ARCAM A25 is the best sounding, and most feature rich of our Radia Integrated amplifiers. The visual luxurious highlights hint towards the more luxurious musical experience that it offers.

This is achieved with a 5th generation Class G amplifier design. You can expect the best sound quality and dynamics from what has always been a better sounding, and more efficient Class of amplifier. New components and materials have been painstakingly analysed and reviewed to ensure uncompromising sound performance.

The rich feature set includes a USB-C input for your laptop, be it PC, MAC or Raspberry Pie! This augments a Bluetooth solution that includes Qualcomm AptX Adaptive technology with 24-bit HD audio to ensure the best sound quality no matter what you are playing. It can also connect to Bluetooth headphones so your listening experience can continue sensitively after dark.

Like any ARCAM integrated amplifier, we pay particular attention to the built in phono stage to ensure your records sound as lush and engaging as possible.

Features

  • ARCAM Class G amplification – for ultra-low distortion
  • 100W per channel (8?) – powers loudspeakers effortlessly.
  • Bluetooth with aptX™ Adaptive Technology – for the best sound with the most convenience
  • Specially selected components and materials – to deliver on sound quality
  • Wired or Wireless Headphones – connect your headphones for quiet listening with, or without wires
  • All new Radia design – Purposeful yet playful
  • MM phono stage – ready for Turntables
  • Hi-Res Digital Audio Inputs – with the addition of USB-C for ultra Hi-Res audio
  • Plastic Free Packaging – for easy disposal of natural materials

Specifications

  • Continuous power output (0.5% THD), per channel: 2 channels driven, 20Hz – 20kHz, 8Ω 100W, 2 channels driven, 1kHz, 4Ω 165W
  • Harmonic distortion, 80% power, 8Ω at 1kHz 0.002%
  • Number of inputs 3 (RCA pairs)
  • Signal/noise ratio (A-wtd, ref. 50W, 1V input) 106dB
  • Frequency response 20Hz—20kHz ± 0.2dB
  • Phono (MM): Input impedance 47kΩ + 100pF, Frequency response (ref. RIAA curve) 20Hz—20kHz ± 1dB, Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) 109dB
  • Supported Sample Rates (kHz): USB-C 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1, Coaxial (RCA) 192, 176.4, 96, 88.2, 48, 44.1, Optical
  • (Toslink) 192, 176.4, 96, 88.2, 48, 44.1
  • Supported DSD USB-C only 1024, 512, 256, 128, 64
  • Bit depths (bit) 32, 24, 16
  • Frequency response (filter 1) 20Hz—20kHz ± 0.2dB
  • Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) 110dB
  • Headphone Output: Maximum output level (RMS) into 32Ω/300Ω 2.5V/5Vrms, Load range 16Ω – 2kΩ
  • Mains voltage 100V or 110–120V or 220–240V, 50–60Hz
  • Power consumption (maximum) 500W
  • Power consumption (standby) <0.5W
  • Dimensions W x D (including speaker terminals) x H (including feet) 431 x 344 x 98mm
  • Weight (net) 9kg
  • Weight (packed) 12kg

Supplied accessories

  • Mains lead(s)
  • Remote control with 2 x AAA batteries
  • Quick Start Guide
  • Important Safety Instructions
Weight 12 kg

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Quick Comparison

ARCAM A25 HiFi Amplifier 2x100W/8ohm removeYAMAHA A-S2100 (PB) Amplifier removeDEFINITIVE TECHNOLOGY SubAmp 600 IN-WALL SUBWOOFER AMPLIFIER 2 CHANNELS 275W / 230W -BLACK- removeDENON AVR-X3100W receiver 7ch with Wi-Fi and Bluetooth removeCAMBRIDGE AUDIO CX A80 Integrated Amplifier 80W with DAC removeCAMBRIDGE AUDIO CX A60 Integrated Amplifier 60W with DAC remove
NameARCAM A25 HiFi Amplifier 2x100W/8ohm removeYAMAHA A-S2100 (PB) Amplifier removeDEFINITIVE TECHNOLOGY SubAmp 600 IN-WALL SUBWOOFER AMPLIFIER 2 CHANNELS 275W / 230W -BLACK- removeDENON AVR-X3100W receiver 7ch with Wi-Fi and Bluetooth removeCAMBRIDGE AUDIO CX A80 Integrated Amplifier 80W with DAC removeCAMBRIDGE AUDIO CX A60 Integrated Amplifier 60W with DAC remove
ImageARCAM A25 HiFi Amplifier 2x100W-8ohm
SKUA25HIFIAMPS000.30900SubAmp 600AVR-X3100WCXA80CX A60
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Description
ContentThe ARCAM A25 is the best sounding, and most feature rich of our Radia Integrated amplifiers. The visual luxurious highlights hint towards the more luxurious musical experience that it offers. This is achieved with a 5th generation Class G amplifier design. You can expect the best sound quality and dynamics from what has always been a better sounding, and more efficient Class of amplifier. New components and materials have been painstakingly analysed and reviewed to ensure uncompromising sound performance. The rich feature set includes a USB-C input for your laptop, be it PC, MAC or Raspberry Pie! This augments a Bluetooth solution that includes Qualcomm AptX Adaptive technology with 24-bit HD audio to ensure the best sound quality no matter what you are playing. It can also connect to Bluetooth headphones so your listening experience can continue sensitively after dark. Like any ARCAM integrated amplifier, we pay particular attention to the built in phono stage to ensure your records sound as lush and engaging as possible. Features
  • ARCAM Class G amplification - for ultra-low distortion
  • 100W per channel (8?) - powers loudspeakers effortlessly.
  • Bluetooth with aptX™ Adaptive Technology - for the best sound with the most convenience
  • Specially selected components and materials - to deliver on sound quality
  • Wired or Wireless Headphones - connect your headphones for quiet listening with, or without wires
  • All new Radia design - Purposeful yet playful
  • MM phono stage - ready for Turntables
  • Hi-Res Digital Audio Inputs - with the addition of USB-C for ultra Hi-Res audio
  • Plastic Free Packaging - for easy disposal of natural materials
Specifications
  • Continuous power output (0.5% THD), per channel: 2 channels driven, 20Hz - 20kHz, 8Ω 100W, 2 channels driven, 1kHz, 4Ω 165W
  • Harmonic distortion, 80% power, 8Ω at 1kHz 0.002%
  • Number of inputs 3 (RCA pairs)
  • Signal/noise ratio (A-wtd, ref. 50W, 1V input) 106dB
  • Frequency response 20Hz—20kHz ± 0.2dB
  • Phono (MM): Input impedance 47kΩ + 100pF, Frequency response (ref. RIAA curve) 20Hz—20kHz ± 1dB, Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) 109dB
  • Supported Sample Rates (kHz): USB-C 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1, Coaxial (RCA) 192, 176.4, 96, 88.2, 48, 44.1, Optical
  • (Toslink) 192, 176.4, 96, 88.2, 48, 44.1
  • Supported DSD USB-C only 1024, 512, 256, 128, 64
  • Bit depths (bit) 32, 24, 16
  • Frequency response (filter 1) 20Hz—20kHz ± 0.2dB
  • Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) 110dB
  • Headphone Output: Maximum output level (RMS) into 32Ω/300Ω 2.5V/5Vrms, Load range 16Ω - 2kΩ
  • Mains voltage 100V or 110–120V or 220–240V, 50–60Hz
  • Power consumption (maximum) 500W
  • Power consumption (standby) <0.5W
  • Dimensions W x D (including speaker terminals) x H (including feet) 431 x 344 x 98mm
  • Weight (net) 9kg
  • Weight (packed) 12kg
Supplied accessories
  • Mains lead(s)
  • Remote control with 2 x AAA batteries
  • Quick Start Guide
  • Important Safety Instructions

Advanced original amplifier circuitry and elimination of signal loss—resulting in a truly
emotional and dynamic sound. This is a high-grade integrated amplifier that has inherited
the new sound of Yamaha in the pursuit of rich musicality..

  • Floating and Balanced Power Amplifier with MOSFETs
  • All-stage fully discrete construction, balanced transmission and low impedance design
  • Superior quality electronic volume control for optimum sound
  • Large capacity power supply unit delivers energetic, dynamic sound with fast response
  • Symmetrical design in pursuit of ideal stereo reproduction
  • Discretely configured phono amp
  • Headphone amp with fully discrete configuration
  • Level meters visually reflect the dynamics in the music
  • Elegant design with luxurious real wood panels
  • Original speaker terminals combine ease of use and beauty with high sound quality

Power Output One Channel Driven :275 watts
Dimensions (Without Brackets, Including Feet) :17-1/16" W x 9-5/8" D x 3-11/16" H (43.34 cm W x 24.45 cm D x 9.37 cm H)
Weight | Metric :28 lbs | 12.70 kg
Dimensions (With Brackets, Feet Removed) :19-1/16" W x 9-5/8" D x 3-7/16" H (41.42 cm W x 24.45 cm D x 8.73 cm H)
Finish :Available in both silver and black
Power Output Two Channels Driven :230 watts each

 MANUAL/ΕΓΧΕΙΡΙΔΙΟ

 

Equipped with wireless technologies WiFi and Bluetooth, the Network AV Receiver 7.2ch AVR-X3100W lets you listen to your favorite tracks from your portable audio player, smartphone and tablet, as though from your home network. Choose from a variety of internet radio stations and listen to your favorite tracks from music streaming services like Spotify. You can also listen to songs from DLNA PC or Mac. The AVR-X3100W is equipped with two RF antennas for optimal quality receiving Bluetooth and WiFi.

The advanced video processor AVR-X3100W can treat future 4K Ultra HD 60 Hz full rate content and features 4: 4: 4 Pure Color 4K sub-sampling pass-through, features the specifications of the latest HDMI. The AVR-X3100Weinai also certified by the Imaging Science Foundation for video quality and is equipped with a full suite of advanced video ISFccc calibration checks.

The part of the powerful 7-channel amp has a final design support multiple high-power output devices on all channels. With 180 watts per channel, the AVR-X3100W can also lead loads of low impedance, up to 4 ohms. Our new Eco Mode allows reducing the overall energy consumption and has Eco Meter on the screen, allowing you to see graphically the reduction of energy consumption in real time.

With the Gold suite of Audyssey audio processing DSP algorithms, the AVR-X3100W features Audyssey MultEQ XT automatic metering and correction of room acoustics, along with Audyssey Dynamic Volume and Audyssey Dynamic EQ. The Audyssey DSX (Dynamic Surround Expansion) gives you the option of adding more front speakers or front wide-angle speaker.


8 Inputs HDMI, 2 HDMI Outputs
Equipped with not fewer than 8 inputs HDMI, the AVR-X3100W has 7 HDMI inputs on the back panel, along with another HDMI input on the front panel, allowing you to easily connect your favorite gaming console, HDTV camcorder or other HDMI device. The 2 HDMI outputs support various program sources, so you can enjoy surround movie in the main room and a separate stereo program with video from a different source in a second room.

Built-in Bluetooth, Built-in Wi-Fi and AirPlay, DLNA
Many portable devices are equipped with Bluetooth wireless connectivity, and integrated Bluetooth wireless connectivity AVR-X3100W allows you to make streaming of your favorite audio tracks from up to 8 Bluetooth devices such as smartphones, portable audio players and tablets. With integrated Wi-Fi wireless technology, your AVR-X3100W connected to the Internet through your home network, opening a world of music from Internet radio stations, as well as in streaming Spotify subscription service through the last scene Association Spotify. With AirPlay, you can enjoy listening to your favorite tracks wirelessly from your portable iOS device, including iPhone, iPod touch and iPad. Certification DLNA 1.5 allows you to connect to a PC or Mac via your home wireless network for additional features streaming. Our Denon Remote App lets you easily check the AVR-X3100W with your favorite portable device and is available for Apple and Android devices and the Kindle Fire.

Easy to Install, Easy to Use
Exclusive Installation Guide Denon, together with our Introductory Handbook, ensures proper connection of your system easy and quick configuration, so you can enjoy perfect surround sound home theater system with minimum disruption and difficulty. The Installation Guide has sharp graphics and text, guiding you quickly and easily in the installation process, optimizing critical system settings for the best possible sound quality.

Powerful Amplifier 7-Channel Discrete Reinforcement Layout with Eco Mode
With maximum power channels of 180 watts each, the AVR-X3100W final design features support multiple high-current output devices with identical circuit topology for all seven channels. Our new Eco Mode allows reducing the overall energy consumption and has Eco Meter on the screen, allowing you to see graphically the reduction of energy consumption. The Auto Eco mode automatically switches between normal energy consumption and Eco modes, depending on the selected volume level. The final portion of aid may lead loads low-impedance until the 4 ohms, for compatibility and stability with almost any speaker model.

Built Audyssey MultEQ XT
The AVR-X3100W has the Silver family of DSP technologies Audyssey, including MultEQ room acoustic measurement and correction. Through the supplied measurement microphone, the MultEQ system first measures the actual response inside the room from all the speakers including the subwoofer, and then create multiple high precision digital filters that ensure smoothest response. The AVR-X3100W also has the option of Audyssey MultEQ Pro.

Top audio formats
The advanced audio decoding section includes recent high-resolution non-losses decoders, including Dolby TrueHD and DTS-HD Master Audio. There are also three additional audio decoding options to extend the front or on the sound stage, termed Dolby Pro Logic IIz, DTS Neo: X and Audyssey DSX.

2 Outputs Subwoofer
Depending on the position the subwoofer in the listening room at the listening position, the quality of deep bass can be adversely affected by reverberations inside the room, with sharp peaks and wells which, together, produce muffled bass and fuzzy bass details . Equipped with 2 subwoofer outputs, the AVR-X3100W lets you use 2 subwoofers, arranged in different positions in the listening room. Having subsse two different positions in the room, the quality of bass can often be significantly better thanks to the resultant response with smoother, deeper bass free from annoying steep peaks and dips.

Choosing the DAC

Both our CXA60 and CXA80 amplifiers employ the same Wolfson WM8740 DAC, and thereʼs a very good reason for that: it sounds superb! There are more recent Wolfson DACs in circulation, however none sound quite as great as the WM8740 in our view. Which is why, time and again, we choose them.

  Two-into-one transformer

The CXA80 utilises two separate windings on the oversize toroidal transformer. In effect, this is like having two toroidal transformers wound onto one chassis, providing separate windings for each amplification module. If you get a huge transient in the right channel, it wonʼt unsettle whatʼs going on in the left. The current is being drawn from a different path, rather than a common path, so the output is stable and remains unflustered, whether your liking is for Little Richard or Lamb of God.

Dynamic Thermal Tracking transistors

The transistors used by the CXA80 are not your usual common or garden offerings. They come with an integrated Dynamic Thermal Tracking System. So what does this mean? Normally a Power Output transistor utilises a thermo-coupler attached directly to the heat sink of the amp; this informs the system so that it can rebias when key temperatures are reached. However, using Integrated Dynamic Thermal tracking provides a far more accurate reading of the real temperature of a transistor, and relays it faster too because itʼs not a delayed heating effect. This enables us to bias the amplifier more accurately and in almost real time. Which means your CXA80 is always running at optimum performance.

Musical Subwoofer output

If you want to use a subwoofer as part of your speaker complement, the CXA80 doesnʼt penalise you for it. Because we want to ensure thereʼs no unnecessary high frequency noise affecting the subwoofer, weʼve put the output filter at 3KHz. This is high enough to prevent any phase shift associated with the low pass filter affecting what happens below 200Hz. The result is a phase linear subwoofer output signal which is clean and musical.

Reinventing the signal path

The CX range represents a step change in the way our engineers have approached signal path design, and the result is one of our most musical and entertaining amplifiers yet.

 

Previously, we went to almost surgical lengths to minimise distortion in order to get the best results. This invariably meant 46 components sat in the signal path. For the CX Series, we wanted to dramatically reduce that component count. The CXA80 now has only 24 components in the signal path. The big difference is that there are now 500 support components as well. Their job is to guarantee those 24 key components are absolutely optimal all the time, regardless of mains fluctuations and other influences.

This has made a big difference when it comes to tuning. Previously, tweaking one of the 46 components only made a small difference and it was sometimes difficult to quantify exactly what difference any change made. With the CX series, those 24 components have now actually become quite critical. Changing just one affects the character of the amplifier.We can hear very clearly what each of those components is doing.

 

This revision has fundamentally changed the character of the amplifier. Listening to a CX series amplifier is fun, engaging and exciting.

High resolution asynchronous USB

In order to offer 24-bit 192kHz resolution via asynchronous USB we use a specialist XMOS device dedicated to the USB input. Weʼve also written a custom driver to allow PC users to access the higher sample rates available in USB Audio 2 mode. This bespoke code allows us to stream audio files at the highest possible resolution.

Bespoke Bluetooth

If you want to use your CXA80 with a Bluetooth source, we offer an optional BT100 audio receiver. To ensure that this does not interfere with other components in the amplifier, itʼs isolated internally on the digital input board. From the ground up, this is an audiophile Bluetooth device. All the coding for the BT100, including the aptX implementation, is done in-house. We even include an extension cable which enables you get the best Bluetooth range.

Embracing classic design

Sometimes thereʼs a good reason to keep things uncomplicated. The CXA80 features a high-quality damped metal chassis, designed to ensure that nothing rattles or interferes with the electronics. Weʼve also kept volume control simple. The CXA80 uses a logarithmic ALPS pot. And when it comes to switching inputs, the CXA80 uses relay switching with silver plated contacts. This classic approach is still the best way to move signals around, rather than with transistors or electronic switches.

 

 

  • Power output:80W RMS into 8 Ohms, 120W RMS into 4 Ohms
  • DAC:Wolfson WM8740
  • Frequency Response:

Toroidal Transformer

We mount the premium toroidal transformer centrally, to reduce flux or magnetic disturbance from the volume pot.

  Dynamic Thermal Tracking transistors

The output power transistors used by the CXA60 are not your usual common or garden offerings. They come with an integrated Dynamic Thermal Tracking System. So what does this mean? Normally a Power Output transistor utilises a thermo-coupler attached directly to the heat sink of the amp; this informs the system so that it can re-bias when key temperatures are reached. However, using Integrated Dynamic Thermal tracking provides a far more accurate reading of the real temperature of a transistor, and relays it faster too because itʼs not a delayed heating effect. This enables us to bias the amplifier more accurately and in almost real time. Which means your CXA60 is always running at optimum performance.

Musical Subwoofer output

If you want to use a subwoofer as part of your speaker complement, the CXA60 doesnʼt penalise you for it. Because we want to ensure thereʼs no unnecessary high frequency noise affecting the subwoofer, weʼve put the output filter at 3kHz. This is high enough to prevent any phase shift associated with the low pass filter affecting what happens below 200Hz. The result is a phase linear subwoofer output signal which is clean and musical.

Fully balanced signal management

Thereʼs some revolutionary signal management happening beneath the lid of the CXA60. For the first time, our engineers decided to go fully balanced rather than single-ended all the way through. As a consequence, any noise that that might be picked up in the audio signal while routing through the amplifier is cancelled before itʼs output.

Reinventing the signal path

The CX range represents a step change in the way our engineers have approached signal path design, and the result is one of our most musical and entertaining amplifiers yet. Previously, we went to almost surgical lengths to minimise distortion in order to get the best results. This invariably meant 46 components sat in the signal path. For the CX Series, we wanted to dramatically reduce that component count. The CXA60 now has only 24 components in the signal path. The big difference is that there are now 500 support components as well.

 

Their job is to guarantee those 24 key components are absolutely optimal all the time, regardless of mains fluctuations and other influences. This has made a big difference when it comes to tuning. Previously, tweaking one of the 46 components only made a small difference and it was sometimes difficult to quantify exactly what difference any change made. With the CX series, those 24 components have now actually become quite critical. Changing just one affects the character of the amplifier. We can hear very clearly what each of those components is doing.

This revision has fundamentally changed the character of the amplifier. Listening to a CX series amplifier is fun, engaging and exciting.

 

Bespoke Bluetooth

If you want to use your CXA60 with a Bluetooth source, we offer an optional BT100 audio receiver. To ensure that this does not interfere with other components in the amplifier, itʼs isolated internally on the digital input board. From the ground up, this is an audiophile Bluetooth device. All the coding for the BT100 is done in-house. We even include an extension cable which enables you get the best Bluetooth range.

Embracing classic design

Sometimes thereʼs a good reason to keep things uncomplicated. The CXA60 features a high-quality damped metal chassis, designed to ensure that nothing rattles or interferes with the electronics. Weʼve also kept volume control simple. The CXA60 uses a logarithmic ALPS pot. And when it comes to switching inputs, the CXA60 uses relay switching with silver plated contacts. This classic approach is still the best way to move signals around, rather than with transistors or electronic switches.


   
  • Power output:60W RMS into 8 Ohms, 90W RMS into 4 Ohms
  • DAC:Wolfson WM8740
  • Frequency Response:
Weight12 kg23.00 kg12.70 kg6.00 kg9.00 kg8.30 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 12 kg
Weight 23.00 kg
Weight 12.70 kg
Weight 6.00 kg
Weight 9.00 kg
Weight 8.30 kg