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Denon 2 x 70 W amplifier with UHC-MOS, 384 kHz/DSD 11.2 MHz USB DAC and MM/MC phono.
The Denon PMA-1700NE is a 2 x 70 W integrated amplifier with a UHC-MOS output stage, a built-in 384 kHz/DSD 11.2 MHz USB DAC and MM/MC phono. Its compartmentalised construction ensures clean, dynamic sound from every source.
Compartmentalised construction
As successor to the much-loved PMA-1600NE, this integrated amplifier raises the bar in Denon's mid-range. It keeps the generous analogue amplification that defines the brand and adds a modern digital stage, in a build that places great importance on isolating the circuits.
Isolated sections
The interior is divided into independent compartments for the inputs and phono, volume control, DAC, amplification, power supply and control circuits. 1 mm steel plates limit interaction, so each stage works in a quiet environment.
Dual transformer
Two EI-core transformers feed the circuits separately, providing plentiful current and immediate response to the sudden dynamic swings of music. Orchestral climaxes or the drums of a rock track are delivered with ease and without compression.
Solid presence
Weighing 17.6 kg and measuring 434 x 135 x 410 mm, the amplifier shows the seriousness of its construction. The metal front panel and large rotary controls give it a classic, clean appearance.
Display and control
An OLED display shows source and volume, with adjustable brightness or complete switch-off. The system remote also controls Denon CD players.
The ideal pair
Designed alongside the DCD-1700NE SACD player, it forms with it a complete system with a shared look and sonic philosophy.
Amplification with speed and control
The analogue section is designed to drive bookshelf and floorstanding speakers with confidence. It delivers 70 W per channel into 8 ohms and 140 W per channel into 4 ohms, with a damping factor of 100 or more, for tight, controlled bass.
UHC-MOS single push-pull
The output stage uses high-current UHC-MOS transistors in a single push-pull arrangement. With just one pair per channel, the signal stays clean and fast, while the thermal stability of the voltage stage is improved by a selected dual FET.
Electronic volume control
Volume is set by the MUSES 72323 precision circuit, while the variable gain preamplifier keeps noise very low at normal listening levels. The result is precise adjustment, correct channel balance even at low volume and a dark, silent background.
Source Direct and Analog Amp Mode
Source Direct bypasses the tone circuits for the most direct signal path. Analog Amp Mode switches off the digital section entirely when you listen to analogue sources, for an even cleaner background.
Measurements
According to the manufacturer, total harmonic distortion is 0.01% and the signal-to-noise ratio reaches 107 dB on the line inputs, with a frequency response from 5 Hz to 100 kHz.
Tone controls
Bass and treble adjust by ±8 dB, along with balance, for subtle tuning to your room and speakers. When you don't need them, Source Direct removes them from the signal path entirely.
Digital stage, phono and connections
The amplifier is ready to become the centre of a modern system. It integrates a high-resolution DAC, a phono stage for every type of cartridge and a full set of analogue and digital inputs.
PCM1795 DAC and Advanced AL32 Processing Plus
The digital stage is based on the PCM1795 chip and Denon's Advanced AL32 Processing Plus, which extends data to 32-bit and applies interpolation, up-conversion and oversampling for a more natural reconstruction of the waveform.
USB DAC for your computer
The USB-B port works asynchronously and with full isolation, accepting PCM files up to 384 kHz/32-bit and DSD up to 11.2 MHz from a Windows or Mac computer. The amplifier is also Roon Tested.
Optical and coaxial inputs
Two optical inputs and one coaxial input, up to 192 kHz/24-bit, accommodate a CD player, streamer or TV. The TV auto-play function turns the amplifier on as soon as it detects a signal from the TV.
MM and MC phono
The built-in phono stage accepts moving magnet and moving coil cartridges, selectable from the front panel, so your turntable connects directly, without an external preamplifier, and your vinyl collection sounds lively and detailed.
System flexibility
Four analogue inputs (including phono), a recorder output and a power amp input allow connection of an external preamplifier or home cinema processor. There is also a headphone output and two pairs of speaker terminals.
- Unit (W x H x D): 434 x 135 x 410 mm
- Net weight: 17.6 kg
- Heatsink for Power Amplifier: Extruded Aluminum
- Rated Output Power: 70W + 70W (8ohm,20Hz-20kHz,THD0.07%) / 140W + 140W (4ohm, 1kHz, THD0.7%)
- Input Sensitivity (CD/LINE/RECORDER): 125 mV / 19k ohm
- Total Harmonic distortion: 0.01 % (Rated output: –3 dB), 8 ohm/ohms, 1 kHz
- Input Sensitivity (Phono input): MM: 2.5 mV / 47k ohm // MC: 200 μV / 100 ohm
- Input Sensitivity (Power Amp input): 0.85V / 47kohm (EXT. PRE)
- Signal to Noise Ratio: PHONO (MM): (89dB) / PHONO (MC): (74dB) / CD: (107dB)
- Power Consumption: 295W
- at Standby: 0.2W TV autoplay off / 0.4W TV autoplay on
- Power Amplifier Circuit: New UHC-MOS / Single Push Pull (7)
- DAC Circuit: PCM1795
- Pre Amplifier Circuit: Variable Gain Preamplifier (OP AMP)
- Source Direct: Yes
- Bass / Treble / Mid / Balance Control: Yes / Yes / No / Yes
- Analog Amp Mode: Yes (button on front panel)
- Digital Processing: Advanced AL32 Processing Plus
- DAC Master Clock Design: Yes
- Asyncronous mode (for USB-B input): Yes
- Phono Input: Yes (MM / MC) *default=MM
- Headphone Output: 1 (Turn off the speaker when inserting headphone
- Analog Input (include Phono) / REC Out (RCA): 4/1 (PHONO / CD / NETWORK, AUX/ RECORDER)
- Coaxial input / output (Maximum Support): 1 / 0 (192kHz/24bit)
- Optical input / output (Maximum Support): 2 / 0 (192kHz/24bit)
- Speaker Terminal: Gold Plated
- Remote Control --> RC-1249/Remote Control Bus Terminal: Yes
- Wi-Fi: No
- HEOS: No
- USB B (USB DAC): 1 (Rear)
- PCM Sample Rate: ~384kHz/32bit
- DSD Audio Streaming (DoP): ~11.2MHz
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