D&R AIRENCE-USB

D612 Digital & Analog Console

Audio Inputs
4 balanced MIC inputs (XLR)

2 balanced stereo Line inputs (DIN 5)

3 unbalanced stereo Line inputs (RCA)

1 Digital stereo Line input (USB)

Inputs Level & Impedance
Balanced MIC= -10 dBu/-75 dBu; 150 / 250 Ohms

Balanced LINE = -20 dBu / +26 dBu; 600~ 10Kohms

Unbalanced LINE = -15 dBu / +12 dBu; 600~ 10Kohms

Phantom Power
Two MIC inputs have 48 V phantom power supply

switchable ON / OFF

Analog Outputs
2 bus stereo outputs; PGM (6

35mm

TRS plug) & REC (RCA connector)

Both at + 4 dBm = 0 VU

PGM balanced: Max Level +26dBu (10K)

+20dBm (600 ohms)

REC unbalanced

Max level 20 dBu

External Hybrid: unbalanced Mic-Minus out at + 4 dBu

Digital USB Input / Output
USB digital In/Out; Input to channel 5; Output to PGM or REC

It uses the K15 Overload recommendation for broadcating;

Then

0 VU is at -15 dB Full Scale level

ON-AIR Signal
ON-AIR Tally Light output (turns on when MIC is open)

12 V CC @ 0

12 amp (two Solidyne On-Air lights)

Monitor & Hybrid Outputs
1 Stereo Studio

0 dBu for active speakers

muted

1 Stereo Control

0 dBu for active speakers

muted

1 Stereo Studio Headphones

with Distribution AMP

up to 5 headphones

+ 10 dBu

1 Stereo Control Headphones

+ 10 dBu

1 External Hybrid send (MIX-Minus) +4 dBu / 10K

CUE Monitor
Internal CUE Monitor Amplifier; 250 mW

with speaker included

Headroom
22 dB @ LIN to PGM Ref + 4dBu/10 k

Frequency Response
20-20.000 Hz +/- 0.25 dB (LIN to PGM)

20-20.000 Hz +/- 0

5 dB (MIC to PGM)

MIC Equalizer
Four Bands MIC EQ with In/Out switch; 80 Hz top flat curve

160 Hz bell shaped

4 kHz bell shaped

8 kHz top flat curve

Action + 15 dB / -15 dB

MIC Compressor
Low distortion MIC compressor with In/Out switch. 20 dB max compression. Attack time < 10 ms.

Threshold = 0 VU

Compression ratio: < 2 dB variation for 15 dB change MIC level

Noise
MIC input

EIN=-120 dBu / 150 ohms

LINE input

S/N > 75 dBA

Dynamic Range
From Line to PGM > 90 dBA (CD quality)

Crosstalk
PGM-REC > 65 dBA @ 1 kHz

Distortion
From LINE to PGM out < 0.03 % THD @30-15.000 Hz

Phase
From Line to PGM

< 3º L&R @50-10.000 Hz

Stereo Tracking
Below 0.2 dB error L/R in fader range 0 to 40 dB

Telephone Hybrid Specs
Two channel telephone active Hybrid:

One phone line plus one cellular (Bluetooth linked)

Frequency Response: 200 – 5.000 Hz

Noise: > 60 dBA S/N

Rejection: > 35 dB rejection

NULL adjust in front panel preset

Preference atenuator: 12 dB local announcer interrupt priority

Telephone input lightning discharge safety
Telephone Hybrid input is transformer floating to meet the Public Telephone Service isolation standards. It is protected with SIOV Varistors against soft lightning discharges.

External gas discharge protection is recommended

Talkback Microphone
Included Talkback MIC

with Audio Limiter. Noise Cancelled PZM type.

Outputs to Phone Line Hybrid or Studio Speakers & Headphones.

VU-meters & Compression Level
2 x LED VUmeters for PGM. Cuasi peak reading

Microphone compressor level meter 0 – 15 dB

AoIP Optional TCP / IP Digital Streaming Output
Ethernet RJ45 connection to a standard LAN (Option /AoIP)

Used for sending D612 output to transmitter plant with MP3 Internet streaming or using a 5

8 GHz 802. Link

Also can be used for AoIP connection with another console located inside or outside studios

It can work in linear PCM at 44.1 & 48 kHz or MP3 VBR

On-Air information using GPIO for remote processors

AoIP Delay and user modes
MP3 Layer 1 (32

44.1 and 48 kHz)

MP3 Layer 2 (16

22.05 and 24 kHz)

16bit PCM uncompressed (8

16

32

44.1 & 48 kHz)

Full duplex (transmitting and receiving)

Delay using PCM at 48 kHz Fs (recommended) Less than 5 mS

Delay using MP3 streaming. Average 100 mS

Power
Switching external power supply 90-240 V

20VA [28V@0

57A]

Dimensions & Weight
Wide: 405 mm; Deep: 385 mm; Height: 95 mm at rear turret

Net Weight: 4.7 Kg