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Photos and specs Stereo amplifier Denon PMA-50

Review and test Stereo amplifier Denon PMA-50
  • Stereo amplifier Denon PMA-50
  • Stereo amplifier Denon PMA-50
  • Stereo amplifier Denon PMA-50
  • Stereo amplifier Denon PMA-50
  • Stereo amplifier Denon PMA-50

Description stereo amplifier, Denon PMA-50

Compact amplifier Denon PMA-50 has a sleek design, works in class D and is a modern versatile device with a PCM1795 DAC on Board.


The model uses the DDFA technology (technology enhance digital feedback) of the company CSR, due to which the discrete output stage provides a higher ratio signal/noise and lower distortion than traditional amplifiers D-class. The unit develops 25 watts per channel at 8 Ohms and 50 watts (@4 Ohms). Contour has Bluetooth with support for aptX Low Latency codec, which reduces the delay when decoding the signal until 32 MS, and improves the audio quality when transmitting audio wirelessly. Thanks to aptX Low Latency it is possible to accurately synchronize the sound with the picture when watching a video. Simultaneously connect up to three Bluetooth-enabled devices for fast pairing using technology wireless frequency communication small range (NFC, just touch the smartphone or tablet with NFC tags “N” on the side of the amplifier).


Aluminium two-tone casing with removable feet allows for vertical installation, saving space on your Desk or shelf. In the center of the facade is the volume control. On the left is the power button and an OLED display which automatically rotates when the position of the amplifier. The front panel also has a button for Bluetooth connection, push button selector signal sources, 6.3 mm headphone amplifier output, which allows you to select one of three gain settings for optimal performance with the corresponding impedance for stereodinamikami. To control the Denon PMA-50 has an ergonomic remote control.


The amplifier uses the algorithm of digital processing Advanced AL32 Processing that provide digital filtering and upsampling of the signal to 32 bits/192 kHz. As a result, the sound becomes more clear and dynamic, the increased resolution in the bass region. To minimize jitter involved high-precision master clock generator.


Inputs: RCA, two optical, coaxial and asynchronous USB (type B), which allows you to accept PCM files (up to 24 bit/192 kHz) and DSD (2.8 and 5.6 MHz, DoP). To prevent the penetration of the induced digital noise via USB in audiotape amplifier are applied insulating electronic components. There is a separate subwoofer output and four screw terminals for the AC.


The sound of the Denon PMA-50 is characterized by openness, accuracy, clarity and perfectly defined bass.


Features stereo amplifier, Denon PMA-50


Class-D amplifier technology DDFA and DAC
Compact housing for vertical installation
Support NFC and Bluetooth with aptX Low Latency codec


Features stereo amplifier, Denon PMA-50

Output power2 x 25 watts (8 Ohms, 1 kHz, THD 0,1%); 2 x 50 W (4 Ohms, 1 kHz, THD 1%)
Frequency range2 Hz - 20 kHz
THD Of 0.004% (digital input, rated output, 8 Ohms, 1 kHz)
The signal-to-noise110 dB (digital input, 25 watts, 8 Ohms, 1 kHz, IHF-A)
Input sensitivity/input impedance0.13 In/22 kOhm (line input)
The digital processingAdvanced AL32 Digital Audio Processing
DACPCM1795 (32bit/192kHz)
Technology DDFA (Direct Digital Feedback Amplifier)there
Bluetoothversion 3.0
Bluetooth ProfilesA2DP 1.3/AVRCP 1.5
Supported codecs BluetoothaptX low latency/AAC/SBC
Support NFCthere
Inputslinear RCA, 2 optical (24bit/192kHz), coaxial (24bit/192kHz), asynchronous USB (PCM 24-bit/192kHz, DSD 2.8/5.6 MHz)
Outputs6.3 mm headphone Jack output for subwoofer (RCA)
The output on the speaker2 pairs of screw terminals
Power consumption35 W in standby mode: 0.2 W
Remote controlRC-1202
Dimensions (WxHxD)200x86x258 mm
Weight2.5 kg

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