PMA-50

Compact Digital Amplifier

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Features - PMA-50

Features - PMA-50

Digital Integrated Stereo Amplifier

Overview

Enjoy superior audio fidelity with the latest high resolution audio sources with the Denon PMA-50 digital integrated stereo amplifier, which features USB connection to your PC or Mac to play high-res PCM and DSD audio tracks. PCM tracks up to 24-bits/192-kHz, 2.8MHz and 5.6MHz DSD tracks are supported.

You can also enjoy listening to your music from your favorite portable device via wireless Bluetooth® connectivity, and the PMA-50 features NFC touch pairing along with multi-point Bluetooth connectivity. For optimum wireless audio fidelity the PMA-50 features CSR aptX® Low Latency decoding that delivers CD-quality sound.

There are multiple digital inputs (2 optical and 1 coaxial) for compatibility with digital audio sources along with an analog stereo input for legacy analog sources.

The advanced Class D digital amplifier features DDFA technology that provides high efficiency and low distortion and the PMA-50 is rated at 50 watts per channel into 4 ohms, for compatibility with the widest range of speaker types.

The compact chassis features deluxe styling and is sized to fit just about anywhere, including home and office desktops as well as home studios, and it can be positioned horizontally as well as vertically.

Full digital power amplifier

for powerful and detailed sound

The amplifier section incorporates DDFA® technology from CSR. The output stage circuit has a discrete construction which realizes higher Signal-to-Noise-ratio and lower distortion compared to conventional class D amplifiers. This advanced amplifier system delivers superior audio fidelity along with high amplifier efficiency at 50W into 4 ohms.

The premium grade multi-way speaker connectors let you connect speaker cables via bare wire, pin connectors as well as banana plug connectors.

Advanced AL32 Digital

Audio Processing

For the ultimate fidelity with 16-bit, 20-bit and 24-bit digital audio tracks, the PMA-50 features Denon's Advanced AL32 digital audio processing system. Featured on Denon's premium audiophile disc players and digital audio components, Advanced AL32 processing upconverts, digitally filters and noise-shapes lower bit data to full 32-bits, delivering remarkable dynamic range and noticeably better low level resolution. Your favorite digital audio tracks have never sounded better.

DAC Master Clock design

In order to reduce jitter, Master Clock is re-generated in the PWM modulator. This Denon Master Clock design ensures that sound is correctly localized and your sound space is thoroughly realistic.

USB-B Input for High resolution

Audio including PCM and DSD

Via the USB-B input, you can connect your Mac or PC to the PMA-50 and enjoy high resolution audio tracks. The PMA-50 can play high resolution PCM files of up to 24-bits/192-kHz along with high resolution DSD 2.8 MHz and 5.6 MHz files (DSD is the advanced digital audio coding system of SACD). A USB-A to USB-B cable is included.

To eliminate induced digital noise via the USB input, the PMA-50 features a dedicated noise isolation block prior to the digital amplifier and D/A conversion block that prevents digital noise from degrading the audio fidelity.

Bluetooth Connectivity with NFC and Multi-Point

Stream your favorite audio tracks from your portable devices via the PMA-50's Bluetooth connectivity, which features quick and easy pairing via the Bluetooth button on the front panel. Simply activate the Bluetooth function on your device, press the Bluetooth button on the front panel or the remote control and when prompted, enter the supplied 4 digit passcode on your device. Your device and the PMA-50 are instantly paired and up to 8 devices can be remembered.

For even faster pairing, the PMA-50 features NFC (Near Field Communication). Simply activate your NFC-enabled Bluetooth device and place it next to the N mark on the PMA-50 (located on the side panel), and it's instantly paired with no need for manual passcode entry.

Plus, the PMA-50 features Multi-point Bluetooth connectivity which allows 3 Bluetooth-enabled devices to be connected simultaneously. Play tracks from 1 device and when it's paused or stopped and another paired device's play function is activated the PMA-50 automatically switches to that device. The front panel display shows the name of the currently selected Bluetooth device.

aptX Low Latency Decoding

For CD-quality audio playback, the PMA-50 features the latest generation CSR aptX Low Latency decoding, which provides optimum time synchronization when playing back audio from video sources with no lip sync issues.

High Quality Headphone Output

with Selectable Headphone Impedance

For top audio fidelity the PMA-50 is equipped with a dedicated headphone amplifier circuit that features a high speed ultra low distortion wideband op amp that's paired with a fully discrete final output stage.

In order to accommodate the widest range of headphone types, the PMA-50 features an adjustable headphone impedance control, with 3 settings for low, medium and high impedance headphones which provide proper matching of headphone impedance and amplifier gain.

The headphone jack features a 3.5 mm connector for compatibility with premium home and professional studio headphone models.

Compact Chassis with

Vertical or Horizontal Placement

The stylish and elegant compact chassis features deluxe finishes including soft aluminum matte with bright silver tone accents and glossy and matte black surfaces.

For optimum placement versatility the PMA-50 can be positioned either horizontally or vertically and it features removable feet and screw caps that are quickly and easily re-configured.

The PMA-50 features an automatic display orientation function that detects if the amplifier is mounted vertically or horizontally and adjusts the display accordingly.

Multiple Digital Audio Inputs

Analog Stereo Input

In addition to the USB-B input, the PMA-50 features 2 optical digital audio inputs and 1 coaxial digital audio input. There's also a stereo analog input for connection to legacy analog sources.

Ergonomic Remote Control

The supplied remote control features an ergonomically-designed layout that includes a cursor keypad, source select and volume controls, setup menu and back buttons, a Bluetooth button and a display dimmer button.

Specs - PMA-50

Features

Channels 2

UHC-MOS single push pull circuit _

Advanced HC-TR single push pull circuit _

LC mounted twin transformer _

Wide range amplifier _

High current dynamic power supply _

Power amp discrete construction _

Micro processor auto off _

Solid Heat Sinks _

Source Direct _

Power Amp direct _

Balance / Bass / Treble / Loudness o / o / o / _

Dac Mode

Digital in: USB-A / USB-B / optical / coaxial _ / o / o / o

Sample Rate digital In 192 kHz / 24-bit

Asynchronous mode rear USB o

Bit-perfect transmission o

USB-B DSD Audio Streaming (DoP): DSD2.8 / DSD5.6 o / o

Ground isolator for DAC Mode operation o

AL 32 Processing o (Advanced)

DAC Master Clock Design o

Bluetooth / aptX / NFC o / Low Latency / o

Vertical Installation o

Low Noise OELD display o

Inputs/Outputs

Audio Inputs 1

Digital in: USB-B / optical / coaxial 1 / 2 / 1

Phono Input: MM / MC _ / _

Audio Outputs _

Pre-out / Main-in Subwoofer / _

Power Amp Direct IN _

Gold plated Cinch _

Speaker A / B _

Number of terminals 2

Remote Control Bus in / out o (gain control)

Specifications

Output power 8 Ohm  (20 Hz - 20 kHz, T.H.D. 0.07%) 30 W

Output power 4 Ohm  (1 kHz, T.H.D. 0.7%) 50 W

Total Harmonic Distortion 0.004 %

Input Sensitivity: MM _

Input Sensitivity: MC _

Signal to Noise Ratio: MM/MC _ / _

Input Sensitivity: High level 70 mV

Signal to Noise Ratio: High level 110dB

Treble Control ± 8 dB at 12 kHz

Bass Control ± 8 dB at 100 Hz

General

Available colors: Premium Silver / Black o / _

Metal Front Panel _

Power Consumption in W 35

Standby Consumption in W 0.2

Auto Power Off o

Detachable Power Cable o

Remote Control RC-1202

System Remote Function _

Maximum Dimensions (W x D x H) in mm 200 x 238 x 90

Weight in kg 5 lbs 8 oz

Downloads - PMA-50

pdf file
Online Manual
pdf file
PMA-50 Owner Manual - English

1.46 MB
1/18/2015

pdf file
PMA-50 Owner Manual - Spanish

1.40 MB
1/18/2015

pdf file
PMA-50 Quick Start Guide - English

2.68 MB
1/18/2015

pdf file
PMA-50 Quick Start Guide - Spanish

2.61 MB
1/18/2015

pdf file
PMA-50

1.23 MB
1/18/2015

pdf file
PMA-50 USB Audio Drivers

3.72 MB
3/9/2015

pdf file
Denon DAC White Paper

4.05 MB
3/28/2016

Q&A - PMA-50

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What is the output power for 6 or 8 ohm speakers? Also what is the range of the Bluetooth capabilities?

Asked by: Iceman
According to the specs at the link below, the unit outputs 25 watts per channel at 8 ohms and 50 watts per channel at 4 ohms. The 6 ohm power output would be right in the middle, around 38 watts. Bluetooth range varies with environment, but generally is around 30ft with line of sight. http://manuals.denon.com/PMA50/NA/EN/WBSPSYxssgimna.php
Answered by: Mike D
Date published: 2017-05-16

Hi Sir Does your headphone jack support premium headphone such as HD800 or headphone with 300ohm or bigger driver? What's the SNR and THD of the headphone jack?

Asked by: Stephen
Hi Stephen. The PMA-50 should not have a problem with the high impedance drivers. There are different gain settings available to deal with various types of headphones. If the default setting is too low, you might want to try the high gain setting. Please see the link below for reference. Thanks! http://manuals.denon.com/PMA50/NA/EN/BIAJSYyvonczac.php#BIAJMLuqpgsjcs
Answered by: Mike D
Date published: 2017-03-21

How do I get the best sound when connecting the PMA-50 to the DCD 50: Analog, coaxial or optical?

Asked by: chchaudio
When you use an analog output from the DCD-50, you are using the processing and pre-amplification that is provided by that device. Whenever you use a digital output from the DCD-50, you bypass the device’s own processing and pre-amplification and use that provided by the PMA-50. Which type of connection would be best for you would depend on which device’s Digital-to-Audio Converter you wish to utilize for this processing. The DCD-50 DAC supports 32-bit/192kHz, whereas the PMA-50 supports 24-bit/192kHz. That said, the best audio will come from using the analog audio output from the DCD-50 into the PMA-50, letting the DCD-50 DAC do the heavy lifting. Thanks!
Answered by: Mike D
Date published: 2017-02-13

Do you offer an app to control this amplifier?

Asked by: TraumaDude
Hello. We do not have a mobile app to control this unit. It can be controlled using the supplied IR remote control.
Answered by: Mike D
Date published: 2017-02-06

Can I use the PMA-50 with 2 Technics MK5 turntables? The tables have grounds. Thanks!

Asked by: Adam
Hi Adam. It sounds like you're planning on having some fun with this product! There is only one analog audio input on the PMA-50, but if you have your turntables running into a mixer, you should only need that one input. In that case you would connect the turntable ground wires to your mixer. I hope this helps. Thanks!
Answered by: Mike D
Date published: 2017-01-20

Can I use the denon pma-50 without speakers connected as a mere headphone amp?

Asked by: Phonique
Yes, but it is quite hefty to function as just a headphone amp, this is not its primary purpose. I would look at dedicated headphone amps, unless you are looking to connect speakers in the future.
Answered by: Zdawg
Date published: 2017-01-17

How can I switch the output between headphone and speakers? Is there a specific button for that?

Asked by: Kenarp
Hi Kenarp. The headphone output is automatically activated when you connect headphones to the headphone jack. When you remove the headphones, the audio will automatically play from the speakers again. There is no way to switch this manually.
Answered by: Mike D
Date published: 2016-11-03

What is the specific DAC chip in the PMA-50? What is its dynamic range?

Asked by: j4ck
Hello, the PMA-50 has class D (Digital) amps. Because the amps are digital there is no need to convert digital to analog, and therefore no DAC (digital to analog converter).
Answered by: Mike D
Date published: 2016-10-21
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