Denon, DN-900R | Audio Design ReadingAudio Design Reading

Network SD/USB Audio Recorder with Dante 2 x 2 Interface

DN900R, Denon Professional’s flagship recorder is ideal for demanding professional environments, features Dante 2-in/2-out interface, simultaneous dual media record, auto/timed file archiving.

DN-900R. Overview.

Taking its place as Denon Professional’s flagship recording product, the DN-900R Dante/Network SD/USB Recorder is designed to meet the needs of the most demanding installations, combining high-quality audio recording with extensive network capabilities. With a powerful feature set and providing the highest-quality recording on removable solid-state media, the DN-900R enables AV installation professionals to replace traditional recording devices with superior solid-state hardware in the widest range of applications.

Housed in a compact 1U rack-mountable chassis, the DN-900R offers Dante 2-in/2-out network compatibility as well as recording to both reliable SD card (two slots, 512GB ea.) and USB storage media. The unit can be configured for ‘dual’ simultaneous recording to both formats or ‘relay/cascade’ recording where longer recording times are desirable.

Designed for professional environments, the DN-900R features versatile connectivity including balanced XLR analog audio and AES/EBU digital I/O, as well as unbalanced analog connections and SPDIF.

DN-900R. Feature List.

Records to SD/SDHC and USB media in MP3 and WAV (up to 24-bit/96kHz)
Dual Record feature (records to two media options simultaneously for primary and backup recording)
2x SD card recording 512GB capacity
Dante 2-in/2-out Networking Capability
Relay Record feature (continues recording to backup media when primary media is full)
File Archiving via FTP (Automatic or Timed) with 24/7 record feature
Web Remote for setup and control with Password Protection
Independent switchable XLR Mic/Line inputs with +48V Phantom Power
Short-circuit and open-circuit protection
Variable pitch ±16%
Frequency response: 20-20kHz +.5/-1dB
Dynamic Range: > 106dB
Timer recording/playback (30 schedules available)
IP, RS-232c, GPIO, USB keyboard remote control
Front panel USB keyboard connection
NTP supported (Network Time Protocol)
EDL marking & file edit functions (Move, Copy, Combine and Divide)
Record monitor (listen the recorded signal while recording)
Large, bright OLED display
DMP Mark Editor software included (Windows only)
Compatible with Denon Professional Product Manager software
100-230V switching power supply

DN-900R. Specification.

File Format Specifications

Compatible media: SD/USB memory/USB HDD
Playable formats, file systems: SD, USB: FAT16/FAT32/HFS+

Playable WAV Format:

Extension: WAV, AIFF, AIF
Resolution: 16 bit, 24 bit
Sampling frequency: 96, 48, 44.1 kHz

Playable MP3 Format:

Extension: MP3
Bit rate: 32 – 320 kbps and VBR
Sampling frequency: 48, 44.1 kHz

Playable AAC Format:

Extension: M4A
Compression method: AAC-LC
Bit rate: 64 – 320 kbps and VBR
Sampling frequency: 48, 44.1 kHz

Audio Specifications:

Number of channels: 2 (stereo), 1 (mono)
Audio frequency characteristics: 20 Hz – 20 kHz (+0.5 dB / –1 dB)
S/N ratio: More than 89 dB (A-Weighted)
Total harmonic distortion: Less than 0.01 %
Dynamic range: More than 106 dB (for 24 bit WAV playback)
Channel separation: Less than –90 dB
Variable pitch width: –16 % – +16 %
Variable trim adjustment width: ±2.0 dB

INPUT – Balanced Analougue IN L/R

Type: XLR (1:GND, 2:Hot, 3:Cold)
Input level: +4 dBu
Maximum input level: +24 dBu/+20 dBu/+18 dBu
Input impedance: 20 kΩ

INPUT – Unbalanced Analogue IN L/R

Type: RCA terminal
Input level: –10 dBV
Maximum input level: +10 dBV/+6 dBV/4 dBV
Input impedance: 10 kΩ

INPUT – Unbalanced Digital IN

Type: RCA terminal
Input impedance: 75 Ω
Standard input level: 0.5 Vp-p
Format IEC-60958(COAXIAL)

INPUT – Balanced Digital IN

Type: XLR (1:GND, 2:Hot, 3:Cold)
Input impedance: 110 Ω
Standard input level: 3.5 Vp-p
Format: IEC-60958(AES/EBU)

OUTPUT – Balanced Analougue L/R

Type: XLR (1:GND, 2:Hot, 3:Cold)
Load impedance: Over 600 Ω
Output level: +4 dBu at 600 Ω load
Maximum Output level: +24 dBu/+20 dBu/+18 dBu

OUTPUT – Unbalanced Analougue L/R

Type: RCA terminal
Load impedance: Over 10 kΩ
Output level: –10 dBV
Maximum output level: +10 dBV/+6 dBV/+4 dBV

OUTPUT – Balanced Digital:

Type: XLR (1:GND, 2:Hot, 3:Cold)
Output impedance: 110 Ω
Standard output level: 3.0 Vp-p
Format: IEC-60958(AES/EBU)

OUTPUT – Unbalanced Digital:

Type: RCA terminal
Output impedance: 75 Ω
Standard output level: 0.5 Vp-p
Format: IEC-60958(COAXIAL)

OUTPUT – Headphone Out:

20 mW/32 Ω

Other:

Maximum storage capacity: Up to 2 TB
Maximum file size: 2 GB
Maximum number of files: 2000 files (for 1 folder)
Maximum number of folders: 1000 folders
Maximum number of folder hierarchies: 8 (under the root directory)

Environmental:

Operating temperature: 5 – 35 °C
Operating humidity: 25 – 85 %, no condensation
Storage temperature: –20 – 60 °C

General:

Power supply (U.S.A and Canada models): AC 120 V, 60 Hz
Power Supply (European, U.K and Asia/Pacific models): AC 230 V, 50/60 Hz
Power consumption: 30W (typical), 0.4W (standby)
Dimensions (L x W x H): 19″ x 13″ x 1.74″ (483 x 330 x 44 mm)
Weight: 7 lbs 14.99 oz (3.6 kg)

DN-900R. Images.

DN900R Front Panel

DN900R Rear Panel