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Rotel A11MKII Stereo integrated amplifier with Bluetooth® (Black)

Item # 440A11M2B

This stereo integrated amp delivers clean sound with sources like your turntable, CD player, and more.

This stereo integrated amp delivers clean sound with sources like your turntable, CD player, and more.

2 questions - 2 answers

Item # 440A11M2B

Ships free

On backorder
Expected: 5/2/2024
$799.99

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About the Rotel A11MKII

Woody Sherman

A value-packed amp for music lovers

There are plenty of you out there who might want to stop your integrated amp search here, because the freshly updated Rotel A11MKII does a great job of checking the major tick boxes for a nice price. Legendary nameplate and design? Check. Versatile collection of analog and digital stereo inputs? Also a check. Enough clean, uncolored Class AB power to drive most speakers to comfortable volumes, and then some? Well, of course. By now you should get the idea that the Rotel A11MKII just might be right for you, especially if you have high expectations from your gear, but a few limitations on the budget side.

A value-packed amp for music lovers

There are plenty of you out there who might want to stop your integrated amp search here, because the freshly updated Rotel A11MKII does a great job of checking the major tick boxes for a nice price. Legendary nameplate and design? Check. Versatile collection of analog and digital stereo inputs? Also a check. Enough clean, uncolored Class AB power to drive most speakers to comfortable volumes, and then some? Well, of course. By now you should get the idea that the Rotel A11MKII just might be right for you, especially if you have high expectations from your gear, but a few limitations on the budget side.

The inputs you need

The A11MKII is equipped to handle most of the popular stereo audio sources you can bring to the party. Vinyl fans will appreciate the dedicated moving magnet phono stage. Three more analog inputs accommodate a CD player, a tuner, and another RCA line-level auxiliary source like a media player or computer headphone output.

Top view, case off

The Rotel A11MKII features premium components designed and buit in-house.

Rotel hasn't forgotten the digital media sources — there are both coaxial and optical inputs for easy connections to other digital components, and a Bluetooth® input with aptX® HD and AAC coding for high-quality wireless audio from your compatible mobile devices and computers.

Exquisite construction with old-school attention to detail

A quick peek inside the case of the A11MKII confirms Rotel's dedication to quality: the oversized toroidal transformer is meticulously crafted in-house to provide stable and reliable power with minimal noise across all frequencies. Amplifier circuitry includes fast-transient, high-current output transistors that allow sounds like drumsticks surfing a ride cymbal and powerful kick drum strikes to be replicated faithfully, with energy. Every component has been considered, designed, and placed with meticulous care.

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Product highlights:

  • 50 watts x 2 channels into 8 ohms at 0.03% THD
  • Class AB amplification with custom-designed toroidal transformer
  • wireless Bluetooth with high-quality aptX HD and AAC coding
  • frequency response: 10-100,000 Hz (line inputs, -0.5dB/+0.05dB); 20-20,000 Hz (phono input, -0.5dB/+0.3dB)
  • signal-to-noise ratio: 90 dB (line); 85 dB (phono)
  • front-panel volume, balance, and tone controls
  • detachable power cord
  • remote control
Connections:
  • 4 unbalanced stereo RCA inputs
    • dedicated phono input for turntables with moving magnet cartridges
  • 2 digital inputs: 1 optical, 1 coaxial
  • dual 3.5mm 12-volt trigger outputs
  • front-panel 3.5mm headphone output
  • binding post speaker outputs
Dimensions and warranty:
  • 17"W x 2-7/8"H x 13-5/8"D
  • weight: 15 lbs.
  • warranty: 5 years
  • MFR # FR01289

What's in the box:

  • Stereo integrated amplifier
  • 58" AC power cord
  • Remote control (RR-AX1402)
  • 2 "AAA" batteries
  • Quick Installation Guide
  • Owner's Manual on USB thumbdrive
  • Warranty/Registration Card
  • Important Safety Instructions

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More details on the Rotel A11MKII

Stacey B.

Features & specs

Performance Specs
Watts RMS per Channel (8-ohms) 50
Watts RMS per Channel (6-ohms) Not given
Watts RMS per Channel (4-ohms) Not given
Frequency Bandwidth 20-20k
THD 0.03%
Minimum Impedance 8 ohms
Amplifier Class AB
Signal to Noise Ratio 90
DAC Bit Depth 32-bit
DAC Sample Rate 384 kHz
Features
Built-in DAC (Digital to Analog Converter) Yes
Wi-Fi N/A
Built-in Radio Tuner None
Room Correction No
High-res Audio Playback
From Network No
From USB Thumb Drive (USB-A) No
From Computer (USB-B) No
Bluetooth
Version Info Built-in
Receiver Mode Yes
Transmitter Mode No
AAC Playback No
aptX Playback Yes
aptX-HD Playback Yes
LDAC Playback No
Connections
RCA Line-level Inputs 3
XLR Line-level Inputs No
Phono Input Yes
Optical Digital Inputs 1
Coaxial Digital Inputs 1
USB Input No
HDMI Inputs 0
Stereo Preamp Outputs No
Subwoofer Outputs No
Recording Output No
HDMI Output 0
Home Theater Bypass No
Pre-out/Main-in Loop No
Headphone Output 3.5mm
Removable Power Cord IEC 2-prong
Streaming Compatibility
Apple AirPlay No
Apple AirPlay 2 No
DTS Play-Fi No
Chromecast built-in No
Roon No
HEOS No
BluOS No
Dimensions and Warranty
Width (inches) 17
Height (inches) 2-7/8
Depth (inches) 14-7/8
Weight (pounds) 15
Parts Warranty 5 Years
Labor Warranty 5 Years
The Rotel A11MKII replaces these items:

Product Research

Features
Connections
Controls
Features

Robust Class AB 2-Channel Amplifier: The Rotel A11 MKII stereo integrated amplifier features a robust Class AB amplifier design with 50 watts x 2 channels into 8 ohms, @ 20-20kHz, with 0.03% THD.

  • The A11 MKII's power output is rated at 50 watts per channel with all channels driven. Rotel has chosen to specify the power output in this way because, in Rotel's experience, it gives the truest value of the receiver or amplifier's power capability.
  • When comparing specifications for different amplifiers, you should be aware that power output is often specified in other ways, so you may not be comparing "apples-to-apples". For example, the power output may be quoted with only one channel or two channels driven (not all channels), giving a higher maximum figure.
  • Be aware that the A11 MKII is capable of high power levels, in excess of 50 watts respectively per channel. Make sure that your speakers can handle the power of the amplifier. If in doubt about your speakers, ask your Crutchfield advisor.

Balanced Design Concept: Balanced Design Concept is the essential Rotel design philosophy that revolves around three major areas - Parts selection, circuit topology, and critical evaluation. These aspects influence final sound quality significantly and illustrate the holistic Balanced Design Concept approach to Rotel's product development. Thanks to the Balanced Design Concept, Rotel components easily exceed the performance of many mass produced audio products that offer plenty of features but skimp on audio quality, and compare favorably to components that are many times the price. Rotel continues its pursuit of extraordinary audio performance, which elevates the home entertainment experience through their core values of sonic accuracy, reliability, and affordability.

  • Parts Selection: Rotel engineers select premium capacitors which provide better performance across both power and frequency spectrums to produce a more accurate and musical reproduction of the audio signal. High quality power supply capacitors provide a more efficient transfer of energy with fast charging and discharge time to ensure the circuits have the reserve power when needed. At each stage of development, Rotel engineers listen to circuit prototypes and revise the design when they feel they can gain a sonic advantage by using a particular component from another manufacturer or by specifying tighter tolerances. Since Rotel is an independent manufacturer, they are free to source parts from highly respected suppliers around the world to fit their requirements.
  • Circuit Topology: It’s not enough to simply use good parts. Where you put them is equally if not more important. That's why Rotel keeps their circuit paths as short as possible, so there's less chance that spurious emissions and unwanted leakages will corrupt delicate signal nuances. That's also why Rotel often uses more expensive "on-board" relay source switching, rather than routing a signal from a rear-panel input to a front-panel control. Rotel also relies heavily on something called Symmetrical Signal Trace design. This keeps each channel's signal path identical to the others to preserve the imaging and soundstage. Rotel also uses electrically superior "star" grounding techniques to improve performance because star grounding routes all ground connections to a single point to reduce potential loops that might introduce noise or produce hum. Further, Rotel's Class AB amplifiers don’t use output inductors because they decrease control and, consequently, sound quality.
  • Critical Evaluation: Rotel's development team places a lot of importance on critical listening sessions before the final product is sent to market. Rotel electronic and acoustic engineers, both in the UK and Asia, have honed their aural acuity over the course of decades of collective experience to evaluate each stage of product development from working samples, through pre-production and, finally, to verify that final production is the same as the pre-production units. Some sessions evaluate different circuit elements: capacitors, resistors, and active devices such as transistors or operational amplifiers. Others focus on differences in circuit layouts or differences caused by power supply elements. Only after this tuning process is complete with sonic performance confirmed will the product be launched to the market.

Custom Designed Toroidal Transformer: The A11 MKII stereo integrated amplifier has a highly regulated power supply incorporating Rotel's custom-designed toroidal power transformer. This low impedance power supply has ample power reserves, which enables the amplifier to easily reproduce the most demanding audio signals. Rotel manufactures its own toroidal transformers in-house to high tolerances using raw materials selected from proven, trusted suppliers. The result is a rugged power supply that won't easily distort the music under dynamic conditions or with difficult speaker loads.

Symmetrical Circuit Traces: The integrated amplifier's printed circuit boards (PCB) are designed with Symmetrical Circuit Traces. This ensures that the precise timing of the music is maintained and faithfully recreated. The circuitry uses metal film resistors and polystyrene or polypropylene capacitors in important signal paths. All aspects of this design have been examined to ensure the most faithful music reproduction.

Texas Instruments (TI) 32-bit/384kHz DAC: A fully redesigned digital-to-analog circuit topology utilizes a Texas Instruments (TI) 32-bit/384kHz DAC with exhaustive tuning and hand selection of all critical components delivering a fuller, richer and more balanced presentation of the music. The premium 32-bit Texas Instruments DAC extracts genuine and accurate details of the music with optimized circuits preserving the integrity of the audio stream. The DAC supports 2ch PCM audio files up to 32-bit/384kHz.

Protection Circuitry: The integrated amp has both thermal and over-current protection circuitry that protects the amplifier against damage in the event of extreme or faulty operating conditions. The protection circuits are independent of the audio signal and have no impact on sonic performance. Instead, the protection circuits monitor the temperature of the output devices and shut down the amplifier if temperatures exceed safe limits.

Note: In most cases, the protection circuitry activates because of a fault condition such as shorted speaker wires, or inadequate ventilation leading to an overheating condition. In very rare cases, highly reactive or extremely low impedance speaker loads could cause the protection circuit to engage.

Mounting & Placement Options: The Rotel A11 MKII integrated amp can simply be tabletop mounted (no rackmount hardware available).

  • The A11 MKII generates heat as part of its normal operation. The heat sinks and ventilation openings in the amplifier are designed to dissipate this heat. The ventilation slots in the top cover must be open. There should be at least 4" of clearance around the chassis, and reasonable airflow through the installation location, to prevent the amplifier from overheating.
  • Make sure that the shelf or cabinet can support the weight of the amplifier. The amplifier should be installed in or on furniture designed specifically for audio components. Such furniture is designed to reduce or suppress vibration which can adversely affect sound quality. Ask your Crutchfield advisor for advice about component furniture.

Note: The A11 MKII's heatsinks provide adequate cooling for most installations. However, when installing the amplifier in a confined space or near other heat-generating components, additional cooling may be desirable. See Accessories Tab for cooling fan options (sold separately).

Connections

Bluetooth Audio Streaming w/ aptX HD: Thanks to built-in Bluetooth, you can wirelessly stream stored music libraries, music apps, and other audio content from your Bluetooth-enabled smartphone, tablet, laptop, or desktop computer to the Rotel A11 MKII integrated amplifier. In addition to Bluetooth's standard SBC codec, the A11 MKII supports Qualcomm's aptX HD audio technology that delivers 24-bit/48kHz audio over a wireless Bluetooth connection. Android, Windows 10 and Mac OS all support aptX HD (Apple iOS does not not support aptX HD).

Note: You'll still control search and playback functions, as well as view song/artist/information from your Bluetooth enabled source device (not the A11 MKII).

Analog Audio Inputs: The Rotel A11 MKII is outfitted with a total of four analog stereo RCA inputs, including one Phono input.

  • Line-Level Inputs: There are three stereo RCA line-level inputs for connecting a CD player, tuner, and other external analog audio source.
  • Phono MM Input: There is one Phono input which supports the connection of a turntable with a MM (moving magnet) cartridge. There is also a ground terminal for the Phono input to prevent hum and noise.

Digital Audio Inputs: The A11 MKII is equipped with a total of two digital audio inputs; including one optical (toslink) digital input and one coaxial (RCA) digital input. Both digital inputs will support 2ch stereo PCM audio up to 24-bit/192kHz.

Note: The digital audio inputs do not support Dolby Digital, DTS, and other multichannel audio formats.

Binding Post Speaker Outputs: The integrated amplifier is outfitted with a set of binding-post speaker outputs that will accept bare wire (up to 12AWG), pin-connectors, spade-lugs, and banana plugs (single or dual). You can connect up a single pair of 8-ohm loudspeakers.

Headphone Output: The front-panel headphone output allows you to connect a set of headphones for private listening. The headphone output consists of a 3.5mm (1/8") jack. Plugging in a set of headphones does not cut off the signal to the speakers. You'll need to manually turn off the speakers from the front-panel or remote control.

Detachable AC Power Cord: The detachable 58" AC power cord (IEC 2-prong) plugs into the back of the integrated amplifier and into an AC wall outlet or surge protector/line conditioner (sold separately - see Accessories Tab).

Controls

Front-Panel Controls: The Rotel A11 MKII stereo integrated amplifier is equipped with a convenient front-panel controls. The front-panel controls consist of a Power button, Volume knob, Bass & Treble knob, Balance knob, and seven Source select buttons (Phono / Tuner / CD / Aux / Bluetooth / Coax / Optical).

Note: There is no display on the front-panel of the A11 MKII integrated amp.

IR Remote Control: The included IR remote control provides wireless operation over the A11 MKII stereo integrated amplifier. It can also operate a Rotel CD player (sold separately).

Note: The playback and search controls on the remote only operate a connected Rotel CD player or Tuner.

Tone Controls: Bass & Treble circuits are bypassed at factory default to ensure the purest possible sound. You can choose to adjust the Bass & Treble to increase or decrease low and high frequency sounds. There is also a Balance control that adjust the left-to-right sound output of the connected speakers

12V Trigger Outputs: The A11 MKII is equipped with two 12-volt trigger outputs (3.5mm) that can be connected to two different components with 12-volt trigger inputs, allowing the components to turn on automatically with the A11 MKII integrated amplifier.

Auto Power Modes: The Rotel A11 MKII integrated amp offers Auto Signal Sensing and Auto Standby for automatic on and off.

  • Auto Signal Sensing: Thanks to Automatic Signal Sensing, the integrated amp turns on automatically when an audio signal is detected at one of its digital inputs. When there is no digital audio signal and not operation detected for approximately 10 minutes, the unit will power off. *Analog audio signal-sensing is not supported.
  • Auto Standby: The A11 MKII can be configured to automatically power off when there has been no audio signal or operation for about 20 minutes.

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Customer Q&A

2 questions already asked

Q
I recently bought a set of elac f 6.2 debut 2.0 floor standing speakers and was wondering if the rotel A11 mk 2 is a good match for these speakers?
matt  Jan 31, 2024
1 answer
A
The Rotel A11MKII delivers 50-watts per channel to a pair of connected speakers, Matt. This would provide great performance, but to maximize the Elac debut 2.0 speakers you can send them a maximum of 140-watts RMS at 6-ohms. For moderate volume and high-quality listening, the Rotel A11MKII is a fantastic choice. For higher-volume listening the Rotel RA-1572 MKII in the link below would provide more power to the Elacs. https://www.crutchfield.com/p_440A15722B/Rotel-RA-1572-MKII-Black.html
bo  Feb 01, 2024 (Staff)
Q
The minimum impedance listed in the Details section is 8 ohms, but Rotel's own info sheet for the A11 Mk II includes a power output of 62 watts into 4 ohms, suggesting the minimum impedance is no greater than 4. Can you clarify? (The A11 Tribute and A12 Mk II both show minimum impedances of 4 ohms on your product pages.)
mihira  Nov 14, 2023
1 answer
A
I would be happy to help, MJ. I do show in the Rotel manual that they list output power at 62-watts into a 4-ohm load. When using a 4-ohm speaker pair, only one pair may be connected to the Rotel A11MKII at a time.
bo  Nov 14, 2023 (Staff)

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