Axel Tech Oxygen 3

Professional transmission console with unbalanced inputs and control tones: 3 micro/line eq, 3 line/line eq, 2 telephone hybrids with conference, autofader, balanced and unbalanced audio outputs, first channel Mic/Line cut-off monitor, On Air lamp control.

Designed primarily for medium/small size radios (local station, community radio, web radio) OXYGEN 3 combines ease of use, flexibility and robustness.

OXYGEN 3 is a best-selling product by Axel Technology, leader in its category and installed worldwide in all environmental conditions.

Built with high quality components easily available anywhere, OXYGEN 3 is the rock-solid analog console and is a guaranteed lifetime investment.

Limited special offer
€3,222.00 No tax €3,580.00
Size chart
Women's clothing size
Euro 32/34 36 38 40
USA 0/2 4 6 8
Bust(in) 31-32 33 34 36
Bust(cm) 80.5-82.5 84.5 87 92
Waist(in) 24-25 26 27 29
Waist(cm) 62.5-64.5 66.5 69 74
Hips(in) 34-35 36 37 39
Hips(cm) 87.5-89.5 91.5 94 99
How To Measure Your Bust

With your arms relaxed at your sides, measure around the fullest part of your chest.

How To Measure Your Waist

Measure around the narrowest part of your natural waist, generally around the belly button. To ensure a comfortable fit, keep one finger between the measuring tape and your body.

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Main Features

  • Compact and rock-solid design
  • 3 microphone inputs
  • 9 unbalanced stereo inputs
  • EQ controls
  • 2 built-in telephone hybrids with conference (POTS)
  • Balanced output
  • LED meter with memory peak (PFL and Master)
  • Easy to operate


The OXYGEN 3 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.

OXYGEN 3 console provides EQ control on each input channels unbalanced inputs and balanced outputs. OXYGEN 3 features unbalanced LINE inputs (PinRca 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.


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 control, EQ control, PFL and PGM buttons.

EQ controls, BASS, MID and HIGH 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.As option, the faders of the mic 2 and mic 3 channels can be configured to trigger monitor out CUT-OFF and On Air lamp.


9 Stereo Inputs:

9 unbalanced stereo LINE inputs 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.

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.

Technical Specifications

PSU (optionally redundant)

Power Supply: 90-260 Vac / 47-63 Hz 45W

Weight: Around 5 kg

Dimensions: 178mm (H) x 483mm (W) x 340mm (D)



INPUT A: Stereo Pin RCA

INPUT A nominal level: 0 dBm (LINE - Channels 4 e 5) Unbalanced +/- 12 dB Gain / Phono (RIAA - Channels 6) Unbalanced +/- 12 dB Gain

INPUT B: Stereo Unblanced Pin RCA

INPUT B levels: 0 dBm (LINE) +/- 12 dB Gain

INPUT A & B impedance: 10 kΩ


INPUT A: Mono Balanced XLR

INPUT A Levels: -70 dB (MIC Level) +/- 12 dB Gain

INPUT A impedance: > 1,5 kOhm

INPUT B: - 70 dB (MIC level) +/- 12 dB gain ctrl

INPUT B Levels: 0 dB (LINE) +/- 12 dB gain ctrl

INPUT B impedance: 10 kOhm


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 ctrl / Headphones Unbalanced Jack 1/4” ∞ to +12 dBm gain ctrl

TALKBACK Output: Stereo Line



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