


LYNX LM-PRE4
PRICE ON ENQUIRY
LYNX LM-PRE4 preamp module for the Aurora(n): 4 mic / line / Hi-Z inputs with A/D, up to 68.6 dB gain, -129 dBu EIN, 48 V, pad and HPF per channel. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Line input
| THD+N | -113 dB (0.00022 %) at 1 kHz, -1 dBFS, 20 kHz filter |
| Dynamic range | 119 dB, A‑weighted |
| Frequency response | ±0.010 dB max., 20 Hz - 20 kHz |
| Crosstalk | -138 dB max., adjacent channel, 1 kHz |
| Common mode rejection | 75 dB min. |
| Full‑scale input for A/D | +20 dBu |
| Input impedance | 200 kΩ balanced, 100 kΩ unbalanced |
| Gain | Fixed |
| Connector | Female XLR on combination jack |
Microphone input
| THD+N | -111 dB (0.00028 %) at 21.6 dB gain |
| EIN | -129 dBu A‑weighted at 61.6 dB gain |
| Dynamic range | 116 dB at 21.6 dB gain |
| Frequency response | +0.01 / -0.08 dB max. at all gain settings |
| Crosstalk | -127 dB max. at 41.6 dB gain |
| Common mode rejection | 75 dB min. at 61.6 dB gain |
| Full‑scale input for A/D | +28.7 dBu at 5.6 dB gain with pad |
| Input impedance | 2.1 kΩ |
| Gain | 5.6 dB / 13.6 dB to 68.6 dB in 1 dB steps |
| Pad attenuation | 13.6 dB |
| High‑pass filter | 80 Hz, 12 dB per octave |
| Connector | Female XLR on combination jack |
Hi-Z input
| THD+N | -109 dB (0.00035 %) at 21.6 dB gain |
| EIN | -115 dBu A‑weighted at 21.6 dB gain |
| Dynamic range | 114 dB at 21.6 dB gain |
| Frequency response | +0.01 / -0.05 dB max. at all gain settings |
| Crosstalk | -132 dB at 21.6 dB gain |
| Full‑scale input for A/D | +14.9 dBu at 5.6 dB gain |
| Input impedance | 1 MΩ unbalanced (TS), 2 MΩ balanced (TRS) |
| Gain | 5.6 dB / 13.6 dB to 68.6 dB in 1 dB steps |
| Connector | TRS on combination jack |
Product overview
The LYNX LM-PRE4 is a four-channel microphone / line / Hi-Z preamp module for the Aurora(n) that also adds four channels of A/D conversion, sonically matched to the Aurora(n) for the transparency and detail expected from LYNX.
LYNX designed the LM-PRE4 as its first microphone preamp. Combined with the Aurora(n) built-in microSD recorder it turns the Aurora(n) into a stand-alone mobile recording device. The transformerless, fully-differential, current-feedback design offers up to 68.6 dB of gain in 1 dB steps, -129 dBu EIN and independent 48 V phantom power, phase, high-pass filter and pad on each channel, while a dedicated line path performs like the AIO8E inputs.
| Mic / line / Hi‑Z inputs | 4 channels |
| Gain in 1 dB steps | 68.6 dB |
| EIN, A‑weighted | -129 dBu |
| Additional conversion channels | +4 A/D |
Key features
- Four-channel microphone / line / Hi-Z input module for the Aurora(n)
- On-board Aurora(n) A/D conversion directly coupled to the preamp outputs: four additional input channels
- Transformerless, transparent, fully-differential current-feedback design
- Up to 68.6 dB gain in 1 dB increments
- Low noise microphone input: -129 dBu EIN
- Independent 48 V phantom power, phase, high-pass filter and pad for each channel
- Gold contact relays for distortion-free signal routing
- Seamless integration with the Aurora(n) mixing and routing engine
Aurora(n) models with LM-PRE4
- Aurora(n) 1608 USB and 1608 TB: Aurora(n) 8 plus two LM-PRE4s, 8 preamp inputs + 8 line inputs + 8 line outputs
- Custom shop 12 in / 8 out: Aurora(n) 8 plus one LM-PRE4
- Custom shop 20 in / 16 out: Aurora(n) 16 plus one LM-PRE4
Installation
The LM-PRE4 fits any existing Aurora(n) 8, 16 and 24 (24-channel models without LM-DIG) with a free firmware update; installation is done by LYNX or a LYNX custom shop integrator. With an LM-PRE4 the Aurora(n) has a 1 in, 1 out word clock module.
Compatible with
- LYNX Aurora(n) 8 and 16
- LYNX Aurora(n) 24 without LM-DIG
In the box
- LM-PRE4 preamp module
LYNX LM-PRE4: frequently asked questions
How many channels does the LM-PRE4 add?
Four mic / line / Hi-Z inputs with their own A/D conversion, so four additional input channels.
Can I install it myself?
Upgrades with the LM-PRE4 are done by LYNX or a LYNX custom shop integrator. The Aurora(n) can also be bought with LM-PRE4s pre-installed.
Where can I buy the LYNX LM-PRE4 in India?
The LYNX LM-PRE4 is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Stand-alone mobile recording
Engineers recording on location without a computer.
Connections
| Connect | To |
|---|---|
| Microphones | LM‑PRE4 PRE IN 1‑4 (XLR) |
| microSD card | Aurora(n) front panel |
Setup
- Set each input to Mic and enable 48 V where needed.
- Set gains on the Aurora(n) Preamp page.
- Choose the record channels on SD Record Setup.
- Press Record on the front panel.
Tip: Use the pad for very loud sources.
Workflow 2: Tracking instruments direct
Studios recording guitar, bass and keyboards.
Connections
| Connect | To |
|---|---|
| Instruments | PRE IN 1‑4 (1/4" TRS, Hi‑Z) |
| Computer | Aurora(n) LSlot card |
Setup
- Plug the instrument into the TRS part of the jack.
- Select Hi-Z for the channel.
- Set the gain in 1 dB steps.
- Record into your recording software.
Tip: Hi-Z inputs offer 1 MΩ unbalanced or 2 MΩ balanced impedance.








