top of page

As an electronics engineer and musician, Yann Lu manufactures at home (Belgium) analog pro audio devices since 2015. His first designs are based on famous 70s-80s American consoles reputated for pristine, natural and musical sonic features.

​

Product line and prices :
 

PRE-2: dual channel mic/line preamp in 1U rackmount case : EUR 1200

PRE-2+: dual channel mic/line/instrument preamp in 1U rackmount case : EUR 1400

​PRE-1:  mono channel mic/instrument preamp in a small tabletop enclosure : EUR 700

PRE-500: mic/instrument preamp in 500-series module : EUR 650 (DIY full kit version : EUR 350)

​

​EQ-32S : 4-band + high and lowpass fully linked - stereo equalizer in 1U rackmount case : EUR 1500

EQ-32SD : 4-band + high and lowpass fully linked/dual mono - stereo equalizer in 2U rackmount case : EUR 1800

EQ-500 : 3-band semi-parametric equalizer in 500-series module : EUR 560 (DIY full kit version : EUR 290)

​

All prices excl. 21% VAT and shipping

Contact me for purchasing !

​

contact [A] yannluaudio.com

  • Instagram Social Icon
  • Facebook Social Icon

EQ-500 : Semi-parametric Equalizer in 500-series

IMG_9689.JPG

Specifications

​

Transformerless (not coloured, transparent, for versatile applications)

​

Proportional Q


High-Pass filter : 26 Hz to 2.2 kHz (12dB/oct)


Low frequency band : 40 Hz to 800 Hz – Bell (2 widths) or Shelf mode


Mid frequency band : 400 Hz to 8 kHz – 3 bell modes :

Narrow / Standard / Wide


High frequency band : 800 Hz to 15 kHz – Bell (2 widths) or Shelf mode


Maximum 15 dB of boost/cut gain per band (center detent on 0 dB)

​

Bi-color LED indicator for signal and clipping


Bypass switch on each section

​

Also available in DIY full and partial kit (front panel, PCB and knobs)

​

Audio samples here

​

Build Guide for DIY kit here

109526058_1867326593408299_4002967424307
93521661_1772761162864843_50636591107512

EQ-32S : Stereo Equalizer

This unit is based on the legendary musical and warm EQ section from the console on which the bestselling Thriller's Michael Jackson album was mixed by Bruce Swedien.

This 1U rackmount aluminium case has 4 bands with a switchable shelve/bell mode for the high and the low band.
Plus high-pass and low-pass filters with bump at the cut-off frequency.

Both channels are perfectly matched and linked by a single control set (quality pots and switches).

46800984_10217637214621469_4632279398769

Specifications

​

4-band with proportional Q :


LOW : sweepable from 40 to 800 Hz (switchable shelve/bell)
LOW-MID : sweepable from 180 to 4000 Hz
HIGH-MID : sweepable from 360 to 8000 Hz
HIGH : sweepable from 750 to 15000 Hz (switchable shelve/bell)
Maximum 12 dB of boost/cut gain per band

Bypassable HIGH PASS & LOW PASS filters with bump at cut-off frequency
HPF : Sweepable from 25 to 3000 Hz
LPF : Sweepable from 170 to 20000 Hz

Volume control
Bypass switch
2-LED indicator (signal and clip)

Jack/XLR combo input connectors
XLR and jack output connectors

Instrument / Microphone / Line Preamp

Audio specifications (PRE2 - PRE1 - PRE500)

​

Mic input :

Impedance 1200 Ω

Gain min: 0dB

Gain max: 70dB

 

Line input (PRE2 only):

Impedance 10 kΩ

Selectable level 0 / +4 / +6 / +8 dBu

(in-case jumpers)

 

Instrument input :

Impedance 200 kΩ
Sowter® transfo

 

Electrically balanced line outputs (no transfo)

 

-20dB pad switch (on mic/instr. inputs)

48V switchable phantom power

Sweepable high-pass filter (12 dB/oct)

PRE1-2: 30 Hz to 730 Hz or 2200 Hz

PRE500: 40 Hz to 730 Hz

Indicator LED (in-case trimmable threshold)

Noise level: >115dB

 

​​Also available in DIY full and partial kit (front panel, HiZ Sowter transfo, PCB and knobs)

​

​

Physical specifications (PRE2)

 

Height 1 or 2RU

4 balanced XLR rear inputs (2x Mic In ; 2x Line In)

2 balanced XLR rear outputs (Line Out)

1 or 2 HiZ Instrument Inputs (front or rear)

​

​

bottom of page