D&R Lyra 4

D&R Lyra 4 is een volledig digitale desktop mixer , met  4 kanalen.
D&R Lyra is een veelzijdige en compacte desktop mixer, deze is perfect voor radio of productiestudio's.
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4 fader control surface Extender

D&R Lyra 4  Digital Radio On Air - Productie Mengtafel

The Lyra is a fully digital desktop mixer. Its concept originates from the latest technologies which are brought to a 'easy to use' and 'versatile' mixer. The Lyra is based on two sophisticated system parts: a huge matrix/router and powerful DSP power. The balanced combination makes the Lyra a flexible and powerful audio-tool. Added values to this clever digital machine are the options to control and administrate the device from any location. Its made that easy for you, simply use your internet browser for remote service. Also you have a grow path towards audio-networking. The Lyra has an option to add Cobranet to enlarge your audio matrix. this option makes sure you are compatible with many other audio manufacturers to receive, transmit and share audio from different locations in your LAN. This all you can find in a very compact 2HE rack unit. The huge possibilities can be controlled from an easy to understand 4 fader desktop control surface. A second 4 fader surface can be connected to have 8 stereo modules.

The Lyra has a separate control surface that can be controlled up to 10 meters away from the 19"rack mountable in/output interface. The Lyra accepts all standard input formats ranging from microphone signals, analog line, AES/EBU, S/P-DIF coaxial, S/P-DIF optical. The 4 mic inputs are electronically balanced and provided with individual phantom power switches and 4 insertion points. A convenient aspect of the Lyra is that all Mic connectors are on industry standard XLR type connectors, compact 9 pin Sub-D female connectors, cinch, jacks, as well as the usual digital format type of connectors. On the front panel of the 19" module you can connect your second set of headphones (set one is on the control surface itself). For easy access we have positioned the analog Cinch in/outputs of input 7 (with level control for the inputs) on the front panel of the 2HE 19"in/output rack. Input 7 is also positioned on the front of the 19" module for easy access. A digital input (also nr 7) on the front panel of the 19" module gives you S/P-Dif in/outputs. Four electronically balanced mic inputs with switch-able phantom power on XLR's complete the front panel input access.

There are also 2 mono inputs available for connecting external Hybrids. The outputs of the Lyra are available in analog and digital form. There are six 9 pin sub-D connectors on the back of the 19"rackunit to provide you with all then outputs. Every main buss has its own dedicated analog output.
The Lyra features two main outputs in analog and digital format


- 32 bit floating point processing
- Less then 0,5 milliseconds propagation delay through processing engine
- Digital I/O's are 16/20/24 bit and supports sample freq. from 32KHz to 96KHz
- Sample rate converters on all digital inputs
- EQ and Dynamic on all processing channels
- All faders are labeled
- Real time info displayed on every module
- Integrated digital patching system.
- All in/outputs with GPIO's
- Remotes with Start, Stop (pulse/continuously)
- Auto Red light function
- CobraNet option
- Fader, Switch or Cue start
- Word clock out
- Card reader
- Ethernet Connector via TCP/IP

MIC inputs :

: Electronically balanced
  Input impedance 2k Ohm
  Noise -128dBr (60db gain range)
  Input sensitivity -70dBu up to 20dBu (PAD)
  Total harmonic Distortion Noise 0,002% at 1kHz G=100
CMRR MIC inputs:
: 85dB @ 1kHz, maximum gain

Frequency response:

: 20Hz - 20kHz ± 0.1dBr (sample rate 48kHz)
: Crosstalk 1kHz < -115dBr
: Phantom is switchable 48 Volts

Line inputs:

: Electronically balanced
: Input impedance 10k Ohm
: Input sensitivity 6dBu,
  maximum input 26dBu ( /- 20dB gain range).
: Dynamic Range 118dB (AD converter PCM 1804)
: Total harmonic Distortion Noise 0,004% at 1kHz G=100
: CMRR Line inputs: 30dB @ 1 kHz
: Frequency response 20Hz - 20kHz ± 0.1dBr
  (sample rate 48kHz)

Line Outputs

: Crosstalk 1kHz < -120dBr
: Electronically balanced
: Output impedance 50 Ohm.
: Nominal output level 4dBu / -10dBv,balanced 
  (optional transformers)
: Dynamic Range 118dB (AD converter PCM4104)
: Total Harmonic Distortion plus Noise 0,001%
: Frequency response 20Hz - 20kHz ± 0.1dBr 
  (sample rate 48kHz)

Phones Output :

: Stereo unbalanced
: Output impedance 5R Ohm.
: Nominal output level 6dBu, maximum output 26dBu
: Max. Output power, 1W into 32R Ohm, 80mW into 600R Ohm
: Dynamic Range 114dB (AD converter CS4385)
: Frequency response 20Hz - 20kHz ± 0.1dBr (sample rate 48kHz)

Digital Inputs:

: AES/EBU (AES3) or S/P-DIF Transformer balanced
: Input Impedance: 110R Ohm / 75R Ohm (jumper setting)
: Differential input sensitivity 200mV
: Dynamic Range 112dB (AD converter PCM 1804)
: Total Harmonic Distortion plus Noise (sample rate converter)
   -105dBfs (0.001%)
: Sampling rate up to 192kHz

Digital outputs:

: 112db Dynamic range (DAC CS8420)
: Output Impedance: 110 Ohm
: Output level: AES3 2-5 Vpp
: Clock output 75 Ohm TTL
: 24 bit, 32kHz, 44.1kHz or 48kHz
: Total Harmonic Distortion plus Noise -102dB


: All GPO’s are by opto isolated relays able to handle
  a maximum of 50V at 200mA or 5V TTL 560R   (8mA) out 
: All GPI’s have a 5V TTL 100kOhm circuitry. 
  GPIO-MIC has a 5V/56Ohm LED driver circuit


: EQ is 3 band, any band can perform one of
  the following functions/specifications:
  Low : /- 18 dB (120Hz center shelving,
  Q: 0.1 to 10 variable.
  MID : /- 18 dB (1200Hz center bell,
  Q: 0.1 to 10 variable
  High : /- 18 dB (12000Hz shelving,
  Q: 0.1 to 10 variable


: Interactive one knob control of threshold,   compression ratio, expander ratio    as well as attack and release times.


: 32 bit floating point
: 8 stereo channels per DSP card.


: Level : 0dBu=0.775Vrms
: 0dB internal = -20 dBFs.


: Sample rate: 32kHz, 44.1kHz, 48kHz, /- 20ppm
  (internally synchronized)

External sync:

: 32kHz, 44.1kHz, 48kHz /- 50ppm
: Jitter max 150pSec

Power supply


: Internally switched power supply.
: 100-240 Volt, 50/60Hz (1.5 A Max)