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Installed Sound, Broadcast Radio & Broadcast TV

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Mixing Consoles


S2-10 Mixer
         
S2-10 front
S2-10 Top
 
S2-10 Rear
S2-10 Side
Iso View
Iso Top View
 
Rear View
Side View
High resolution front >>
High resolution top >>
High resolution rear >>
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S2 - Digital I/O Analogue Radio Broadcast Mixer with 10 channels


S2 Contents

How To Order (Takes you to another page)
S2 - Digital I/O Analogue Radio Broadcast Mixer (This is an introduction to the S2 Mixer)
S2 Input Channels - Intro (A brief introduction to input channel usage)
S2 Input Channels - List (A list of links to the input channel products)
Faders And Blank Channels (A list of links to the faders and blank channels)
S2 Output Channels - Intro (A brief introduction to output channel usage)
Output Channels - List (A list of links to the output channel products)
S2 Meterbridge Modules - Intro (A brief introduction to meterbridge module usage)
Meterbridge Modules - List (A list of links to the meterbridge module products)
S2 Chassis Design (A brief introduction with a list of links to the chassis products)
S2 Power Supply (A list of links to the power supply products)
S2 Script Space (A list of links to the script space products)
S2 Cable (A link to the S2 cable)
S2 Mixer Placement In Furniture - Weights And Boxed Dimensions
S2 Mixer Placement In Cut-Out
S2 Technical Specification

What The Press Said:
Resolution, November-December 2008 >
Resolution, September 2009 >
On Air, Winter 2010 >
Radio World, April 2010 >
Radioworld, May 2010 >
Radio, July 2010 >
On Air, July/August 2010 >
Radio Magazine, February/March 2013 >

Related Links:
S2 Handbook >
S2 Catalogue >
S2 Mixer Order Form >

Specimen of S2 Mixer Order Form >
FAQs >

S2 - Digital I/O Analogue Radio Broadcast Mixer

S2 logoS2 is a modular broadcast mixer which offers digital audio quality
with analogue reliability in a modular format. S2 has both digital and analogue input channels, together with simultaneous analogue and digital outputs.

Following on from the Sovereign range of audio mixers, S2 combines all the features needed of a radio broadcast mixer in a stylish, flush-mounting chassis : a wide range of input and output channels, PFL/cue, fader-start operation of equipment, automatic monitor muting on mic-live, light controlling remote outputs, optional EQ on input modules, gram amp input options and 2 main audio buses, allowing you to broadcast on the PRG bus while recording on the AUD bus, with bus output selection on each module.

Innovative Design

  • The S2 chassis is available in 5 module width sections, allowing 5, 10, 15, 20, 25 and 30 module width mixers. This means S2 can be used for small newsrooms or large on-air situations.
  • Modular “pop-up” input and output channels means that the mixer can be maintained simply and quickly. Hot-swappable input channels can be individually removed and repaired whilst still on-air.
  • The angle of the meterbridge can be varied and set for best viewing position.
  • Any module can be in any position so that customising the mixer for your own purposes is easy.
  • Large back-lit buttons allow you to see the status of the mixer at all times.
  • The fitted rear panel hides all cable connections but can be simply unclipped and reclipped for maintenance.
  • The modular design of the desk gives you the flexibility to expand it at a later date. You can even add another S2 mixer and link them together with a bus connector cable to allow for split desk configurations.
S2 with script space, image.
Back to S2 Contents >

Superb Audio Quality and Unquestionable Reliability

  • The S2 uses the latest Crystal semiconductor technology to allow input and output of digital audio signals up to 24 bit, 96kHz sample rate.
  • The analogue signal paths use low noise circuitry to provide superb audio performance well capable of satisfying radio listeners worldwide.
  • The high reliability and build quality of S2 minimises the chance of failure, avoiding lost air-time. Each module is individually checked twice before being assembled into the finished chassis and the whole unit is tested before shipping.
  • ALPS long throw 100mm faders give a smooth, repeatable response and the XLR Neutrik connectors used are an industry standard.
  • The use of VCAs controlled by the faders ensures tight stereo tracking and eliminates mechanical and electronic noise.
  • S2 has a separate 1U power supply providing regulated, ripple-free power to the mixer. There is also an optional switcher to control 2 power supplies providing redundancy.
  • High quality stainless steel is used for the chassis and screws to prevent corrosion in high humidity environments.
  • Each channel is metal coated internally to provide exceptional EMC screening.

S2 Input Channels - Intro

There is a wide choice of input channels for the S2 mixer. Each channel has a number of common features :

Assigning an Input Channel to an Output Bus - Switches at the top of the channel are used to select the output group routing, to either Program, Audition, or both output buses. Selecting the PGM and/or AUD buttons routes the channel audio to the PGM and/or AUD mix buses. The buttons illuminate green to indicate the routing status.

Changing the Input Level - Coarse gain is set using pre-set potentiometers on the channel circuit board which allow unbalanced inputs to be used on mono and stereo line inputs. The front panel TRIM control allows fine gain of ±12dB.

Changing the Signal Pan, or Balance - The BAL/PAN control is used on mono channels to pan the mono input signal in the stereo image and on stereo channels to balance the stereo image.

CUE/PFL (Pre Fade Listen) - Selecting the CUE/PFL button routes the pre-fader input signal to the monitoring system where the signal can be heard via headphones and/or loudspeakers. The button lights green when CUE/PFL is active and a jumper option is available to cancel the CUE/PFL selection when the fader is raised. This button works with both a momentary and latched operation - if held down, the selection is cancelled on release, otherwise the button is alternate action.

Fader Start & ON Button Control - The ON button works in conjunction with the 100mm long-throw carbon fader and is used to control channel remotes (e.g. starting a CD player), routing and timers, etc. When unlit, the channel is off. Flashing red indicates that the channel has been selected to ON but not routed to either PGM or AUD. Steady red indicates that the channel is ON and “armed”, ready for the fader to be raised. Raising the fader changes the illumination to green indicating that the channel is live. Alternatively, with the button unlit the fader may be raised and the channel can be operated simply by selecting ON. The illumination in this case toggles between unlit (channel OFF) and green (channel ON).

Programmable Button Settings
To make the S2 modules as flexible as possible, every button on each channel can be set to a number of different modes to aid the use of the mixer and allow for extra functionality. Each button can be set to either operate manually, be permanently on, or permanently disabled. Also, the ON button can be configured to operate in a number of modes, altering remote start functions, and the channel ON function can be controlled remotely by automation playout systems, such as RCS® or VCS.

Scribble Pad - A scribble pad is provided at the bottom of the channel for user labelling of the channel function.

Download S2 Laser Label Templates to create your own descriptive labels using Adobe Illustrator or other graphic packages.

Back to S2 Contents >

Input Channels - List

   
S2-CMM Mic/Mic Channel
more >>
S2-CMM image
S2-CML Mic/Line Channel
more >>
S2-CML image
S2-CS Dual Stereo Line Channel
more >>
S2-CS image
S2-CSE Dual Stereo Line Channel with EQ
more >>
S2-CSE image
S2-CSG Stereo Line & Gram Channel
more >>
S2-CSG image
S2-CSGE Stereo Line & Gram Channel with EQ
more >>
S2-CSGE image
S2-CDS Digital Dual Stereo Channel
more >>
S2-CDS image
S2-CDSE Digital Dual Stereo Line with EQ
more >>
S2-CDSE image
S2-CDAS Dual Stereo Line Channel
more >>
S2-CDAS
S2-CDASE Dual Stereo Line Channel with EQ
more >>
S2-CDASE
S2-C6SS 6 Way Stereo Source Select Channel with EQ
more >>
S2-C6SS image
S2-CSMM Stereo Mix Minus Channel
more >>
S2-CSMM image
S2-CT Telco Input Channel
more >>
RB-CT image
Back to S2 Contents >    

Faders And Blank Channels

S2-PG S2 Penny & Giles Conductive Plastic Fader
more >>
S2-PG image
S2-CB S2-Blank Channel
more >>
S2-CB image

S2 Output Channels - Intro

There are six different output channels available, for controlling monitoring in both a Control Room and separate Studio, with the two main output channels also having a master fader option.

The master output channels provide balanced analogue audio outputs as well as simultaneous AES/EBU or S/PDIF digital audio outputs for both PRG and AUD buses. The analogue mono output can be selected from PRG or AUD and meter selection is available to show either the PRG bus, AUD bus, or to follow the Control Room Monitor selection.

Both Control Room and Studio Monitor channels are available for controlling what’s routed to the presenter’s and guest’s headphones and monitor speakers. 2 external inputs can also be monitored.

A minimum of 3 channels need to be fitted into a mixer: channels S2-OMC, S2-ODP (or S2-ODPF) and S2-ODA (or S2-ODAF) must be fitted and S2-OMS is optional.

Back to S2 Contents >

Output Channels - List

   
S2-OMC Control Room Monitor Channel
more >>
S2-OMC image
S2-OMS Studio Monitor Channel
more >>
S2-OMS image
S2-ODP Digital PGM Output Channel
more >>
S2-ODP image
S2-ODPF Digital PGM Output Channel with Master Fader
more >>
S2-ODPF image
S2-ODA Digital AUD Output Channel
more >>
RB-ODA image
S2-ODAF Digital AUD Output Channel with Master Fader
more >>
S2-ODAF image
Back to S2 Contents >    

S2 Meterbridge Modules - Intro

In the meterbridge area you can choose from four styles of metering, a phase meter, a dual timer, a PFL/Talkback loudspeaker, 2 talkback modules, a 6 input source selector and a range of blanking plates. S2's meterbridge modules are freely assignable so that you can position them exactly where you want them.

S2’s meterbridge modules are freely assignable so that you can position them exactly where you want them.

The dual meter panels are used for monitoring console signal levels. Up to three different meter panels can be housed in the meterbridge. The meters can be configured internally to be fed from one of three signal sources, the selected source indicated by a LED:

  • Select - The output of the meter switch on the AUD output module which can show PGM, AUD, or CR MON, which is the selected monitor source on the control room monitor module, (EXT 1, EXT 2, PGM, or AUD)interrupted by PFL.
  • Program - PGM output which can optionally be interrupted by PFL.
  • PFL - The output of the PFL bus.
Back to S2 Contents >

Meterbridge Modules - List

   
S2-ML S2-Meterbridge Loudspeaker Monitor Panel
more >>
S2-ML image
S2-MT S2-Meterbridge Dual Timer Panel
more >>
S2-MT image
S2-MTBS S2-MTBS Meterbridge Station Master
Talkback Panel
more >>
S2-MTBS image
S2-MTB6 S2-Meterbridge 6 Way Talkback Panel
more >>
S2-MTB6 image
S2-M6SS S2-Meterbridge 6 Button Stereo Source Select
more >>
S2-M6SS image
S2-MPPM S2-Meterbridge PPM Meter Panel
more >>
S2-MPPM image
S2-MVU S2-Meterbridge VU Meter Panel
more >>
S2-MVU image
S2-ML53 S2-Meterbridge LED Meter Panel
more >>
S2-ML53 image
S2-MPH S2-Meterbridge Phase Meter Panel
more >>
S2-MPH image
S2-MSB1 S2-Meterbridge Switch Panel with 1 Button
more >>
S2-MSB1 image
S2-MSB3 S2-Meterbridge Switch Panel with 3 Buttons
more >>
S2-MSB3 image
S2-MB1 to S2-MB5 S2 Meterbridge Blanking Plate
(1 Channel Width to 5 Channel Width)
more >>
S2-MB1 image
  S2 Rubber Keyswitch Buttons
more >>
Rubber Keyswitch Button
Back to S2 Contents >    

S2 Chassis Design

The S2 chassis is available in 5 channel width sections, allowing 5, 10, 15, 20, 25 and 30 channel width mixers. This means S2 can be used for small newsrooms or large on-air situations.

S2-05 S2-Chassis with 5 channel width sections
more >>
S2-05 image
S2-10 S2-Chassis with 10 channel width sections
more >>
S2-10 image
S2-15 S2-Chassis with 15 channel width sections
more >>
S2-15 image
S2-20 S2-Chassis with 20 channel width sections
more >>
S2-20 image
S2-25 S2-Chassis with 25 channel width sections
more >>
S2-25 image
S2-30 S2-Chassis with 30 channel width sections
more >>
S2-30 image
Back to S2 Contents >    

S2 Power Supply

S2-PSU S2-Power Supply
more >>
S2-PSU image
S2-PSUS S2-Dual Power Supply Switcher
more >>
S2-PSUS image
       

S2 Script Space

S2-7SS S2-7 Script Space (7 Channels Wide)
more >>
S2-7SS image
Back to S2 Contents >    

S2 Cable

S2-BI S2-Bus Interlink Cable
more >>
S2-BI image

S2 Mixer Placement In Furniture - Weights And Boxed Dimensions

Mixer
Type
Width
(cm)
Width (inches) Depth
(cm)
Depth (inches) Height (cm) Height (inches) Gross Weight (kg) Gross Weight (lbs) Nett Weight (kg) Nett Weight (lbs)
S2-30 137cm 53.9” 70cm 27.6” 45cm 17.7” 36kg 79lbs 34kg 75lbs
S2-25 100cm 39.4” 70cm 27.6” 45cm 17.7” 33kg 73lbs 31kg 68lbs
S2-20 100cm 39.4” 70cm 27.6” 45cm 17.7” 30kg 66lbs 28kg 62lbs
S2-15 100cm 39.4” 70cm 27.6” 45cm 17.7” 27kg 59lbs 25.5kg 56lbs
S2-10 60cm 23.6” 70cm 27.6” 45cm 17.7” 24kg 53lbs 22.5kg 50lbs
S2-05 60cm 23.6” 70cm 27.6” 45cm 17.7” 21kg 46lbs 19.5kg 43lbs
Notes: Weights are approximate and based on a mixer chassis loaded with channels.
Back to S2 Contents >
   

Top View - click on image below to see large view.

Side View - click on image below to see large view.

S2 Mixer Profile Top S2 Mixer Side Profile

Back to S2 Contents >


Technical Specification For S2

Input/Output Impedances

Mic Input: > 1k5Ω electronically balanced
Mono Line Input: > 20kΩ electronically balanced
Stereo Line Input: > 20kΩ electronically balanced
PGM & AUD Output: < 75Ω electronically balanced
Mono Output: < 75Ω electronically balanced
Monitor Outputs: < 75Ω unbalanced
AES Input/Output: 110Ω
S/PDIF Input/Output: 75Ω
BNC Wordclock input: 50Ω
   

Input/Output Gain Range

Mic Input: Preset pot +13dB to +66dB ref -50dBu, TRIM pot ±12dB
Mono Line Input: Preset pot -6dB to +10dB ref 0dBu, TRIM pot ±12dB
Stereo Line Input: Preset pot -6dB to +10dB ref 0dBu, TRIM pot ±12dB
Telco Input: Preset pot -6dB to +10dB ref 0dBu, TRIM pot ±12dB
Telco Output: Preset pot -6dB to +4dB ref 0dBu
Mix Minus Input: Preset pot -6dB to +10dB ref 0dBu, TRIM pot ±12dB
Mix Minus Output: Preset pot -3dB to +3dB ref 0dBu
Digital Input: 0dBFS = +12dBu on input; TRIM pot ±12dB allowing 0dBu to +24dBu
Digital Output: 0dBFS = +18dBu
   

Frequency Response

Mic Input: 40Hz to 20kHz, -1dB,+0dB (-3dB at 130Hz with HPF in)
Line Inputs: 20Hz to 20kHz, - 0.5dB,+0dB
RIAA Input: 30Hz to 16kHz ±1.5dB RIAA equalised
   

Noise (20Hz to 20kHz)

Mic Input E.I.N.: -129dB with 150Ω source
Stereo Inputs (fader down, no routing): -89dB ref 0dB
Stereo Inputs (fader down, one channel routed): -89dB
Stereo Inputs (unity gain, no routing): -89dB
Stereo Inputs (unity gain, one channel routed): -86dB
Stereo Inputs (unity gain, two channels routed): -83dB
   
Distortion
Total Harmonic Distortion: 0.015% at 1kHz, 0dB
0.025% at 10kHz, 0dB
   

Crosstalk

Inter-channel: < -90dBu
Stereo: -90dBu at 1kHz
   

Equalisation

LF Shelving at 100Hz: ±7dB
HF Shelving at 6.5kHz: ±7dB
   

Range

Pan Range: off/-3dB centre/off
Balance Range: ±6dB
   

Common Mode Rejection Ratio

Mic Input: > 100dB at 70dB gain
   

Digital I/O

Sync Input Sample Rate: 30kHz - 100kHz
Output Sample Rates (Using Onboard Clock):
32kHz, 44.1kHz, 48kHz, & 96kHz
Output Sample Width: 16, 20, 24 bit (24 bit on V2 ODA/ODP)
   

Output

Headphone Output Load: >45Ω, 400Ω recommended
Maximum Output (Analogue): +26dBu balanced into 2kΩ or greater
   

Power

Power (S2-PSU): Filtered IEC, switchable 115V, 230V, fused, 210W max.
Dimensions (S2-PSU):
(Raw):
48cm (W) x 24.3cm (D) x 8.8cm (H)
19” (W) x 10” (D) x 3.5” (H)
Dimensions (S2-PSU):
(Boxed):
51cm (W) x 41.5cm (D) x 17cm (H)
20” (W) x 16.3” (D) x 6.7” (H)
Weight (S2-PSU): Nett: 6kg       Gross: 7.8kg
Nett: 13.2lbs Gross: 17lbs
Dimensions (S2-PSUS):
(Raw):
48cm (W) x 23cm (D) x 4.4cm (H)
19” (W) x 9” (D) x 1.7” (H)
Dimensions (S2-PSUS):
(Boxed):
55cm (W) x 39.3cm (D) x 8.5cm (H)
21.6” (W) x 15.5” (D) x 3.4” (H)
Weight (S2-PSUS): Nett: 1.58kg Gross: 2kg
Nett: 3.5lbs  Gross: 4.4lbs
Back to S2 Contents >  

 

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Sonifex Ltd. 61 Station Road, Irthlingborough, Northants, NN9 5QE, UK. Tel: +44 (0)1933 650700 Fax: +44 (0)1933 650726 EMail: sales@sonifex.co.uk