Broadcast mixing console
OXYGEN 3 ST is a compact broadcast audio console for on air and production studios.Mainly design for medium/small radios (local station, community radios, web radios) OXYGEN 3 ST combines ease of use, flexibility and robustness.OXYGEN 3 ST is a best seller product of AxelTech, leader of its category and installed all over the world in any environmental conditions.Made of high-quality component easily available everywhere, OXYGEN 3 ST is the analogue rock-solid console and is a life guaranteed investment.
![Console Radio Broadcast Oxygen 3st AxelTech](https://www.axeltechnology.com/wp-content/uploads/2018/11/OXYGEN-3ST-1.png)
![Analog Broadcast Console Oxygen 3st AxelTech](https://www.axeltechnology.com/wp-content/uploads/2018/11/OXYGEN-3ST-2.png)
Main Features
Compact and rock-solid design3 microphone inputs6 balanced stereo inputs3 unbalanced stereo inputs2 built-in telephone hybrids with conference (POTS)Balanced outputLED meter with memory peak (PFL and Master)Easy to operate
![Analog Broadcast Console Oxygen 3st AxelTech](https://www.axeltechnology.com/wp-content/uploads/2018/11/OXYGEN-3ST_dettagli-1.jpg)
Overview
The OXYGEN 3 ST features 8 channels with A/B input selection, 3 microphone inputs, 9 stereo inputs and 2 built-in telephone hybrids. The console integrates all the specific functions required in any radio studios, such as 2 telephone hybrids with conference capabilities, control of On Air studio lamp, CUT-OFF for loudspeaker and Talk-Over facility.
![Analog Broadcast Console Oxygen 3st AxelTech](https://www.axeltechnology.com/wp-content/uploads/2018/11/OXYGEN-3ST_dettagli-3.jpg)
OXYGEN 3 ST console provides balanced inputs and balanced outputs. OXYGEN 3 ST features electronically balanced LINE inputs on Jack 1/4” female connectors.The frame is inox steel & aluminium made, with wood finishing side panels available as an option. Electronic components have been selected from the best on the market, switchers, faders and potentiometers are by ALPS. 2 large LED meters with memory peak fine control of Master and Monitor signals. The external switching power supply assures maximum reliability and easy maintenance.
Features
8 channels
OXYGEN 3 has 8 channels, 2 inputs selectable (A/B) for each channel, top quality long fader 100mm for accurate control of audio levels, Gain controll, PFL and PGM buttons.Balance control on each channel.
3 Microphone Inputs:
The 1st microphone input is the ‘priority’ channel and its signal is always internally routed to:
- TalkBack (pre-fader).
- Telephone channels for ‘private’ communications with the callers, OFF-AIR (pre-fader).
- TalkOver section for automatic voice/music mix.
The fader also CUT-OFF the monitor output and controls On Air lamp.
9 Stereo Inputs:
6 balanced stereo LINE inputs on Jack connector3 unbalanced stereo inputs that can be set as LINE or PHONO, by internal jumper, on RCA connector
2 Telephone Hybrid (POTS)
Telephone lines and Telephone set connector for each line. Output for telephone calls recording available for each telephone line. Notification of incoming calls (phone ringing) via GPO.
![Analog Broadcast Console Oxygen 3st AxelTech](https://www.axeltechnology.com/wp-content/uploads/2018/11/OXYGEN-3ST_dettagli-4.jpg)
Monitor Section
Unbalanced stereo output for loudspeakers, with CUT-OFF, for monitoring of PFL, MASTER and EXTERNAL source. 2 headphones output. Talkback output switched between Master / Talkback (from Mic1).
Master Section
2 balanced Master output with level and balance controls (adapter SUDB15-XLR available as option).1 unbalanced Master output with level control (Out 3)2 unbalanced Master output mono with fixed level. Talkover function to automatically adjust/attenuate the music level on master output when presenter talk on mic 1.
Power Supply Unit
External switching PSU 90-260 VAC 50/60Hrz.
![](https://www.axeltechnology.com/wp-content/uploads/2020/02/Oxygen-3-ST.png)
Technical Specifications
General
Power Supply
90 / 260V (50 – 60 Hz) - 20 W external switching
WEIGHT
Around 5 Kg
Dimensions
178mm (H) x 483mm (W) x 340mm (D)
LINE-LINE & LINE PHONO STEREO MODULE
INPUT A
Stereo Bal Jack 1/4”
INPUT A nominal level
0 dBm (LINE) +/- 12 dB gain ctrl
INPUT B
Stereo PinRCA
INPUT B levels
0 dBm (LINE – Channels 4 - 5) Unbalanced +/- 12 dB gain ctrlPhono (RIAA – Channel 6) Unbalanced +/- 12 dB gain ctrl
INPUT A & B impedance
10 kΩ
MONO / STEREO MODULES
INPUT A
Stereo 0 dBm (LINE) Balanced Jack 1/4” +/- 12 dB gain ctrl
INPUT A impedance
10 kΩ
INPUT B
Mono - 70 dB (MICRO level) Balanced XLR +/- 12 dB gain ctrl
INPUT B impedance
> 1,5 kΩ
TELEPHONE MODULE
Send/Receive separation
20 dB (it can vary depending on telephone line characteristics)
In/out level on telephone line
- 6 dBm on 600 line impedence
Compensation mode
Electronic/Automatic
Line connection
2 wire, RJ11 connector
REC Telephone output
0 dB level Unbalanced PinRCA
Master Module
MASTER Output 1 & 2
Stereo Electronically Balanced SubD 15P ∞ to + 6 dB ctrl
MASTER Output 3 and Fixed
Stereo Unbalanced PinRCA ∞ to + 6 dB ctrl (Out 3)
MASTER Mono Outputs
Mono Unbalanced PinRCA 0 dBm
Nominal MST Output Level
0 dBu (LINE)
MST output Impedance
100 Ω
Noise (DIN Noise)
≤ - 78 dBm
Crosstalk
< - 65 dB @ 10 kHz
THD+N
< - 70.5 dB @ 1 kHz
Monitor Module
TUNER IN
Stereo Line Unbalanced PinRCA ∞ to + 6 dB gain ctrl
MONITOR Output
Speaker (Stereo Line) Unbalanced PinRCA ∞ to + 6 dBm gain ctrlHeadphones Unbalanced Jack 1/4” ∞ to +12 dBm gain ctrl
TALKBACK Output
Stereo Line
Dimensions
![Analog Radio Mixer Oxygen 3 AxelTech](https://www.axeltechnology.com/wp-content/uploads/2018/11/OXYGEN3-DIMENSION.jpg)