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 :
EQ-532 : 4-band and 2-filter Stereo Equalizer in 500-series module (2-slot wide)
Assembled/tested version : EUR 900
DIY full kit version : EUR 500
DIY partial kit version (PCB + frontplate) : EUR 200
EQ-500 : 3-band semi-parametric equalizer in 500-series module : EUR 560 (DIY full kit version : EUR 290)
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
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)
All prices excl. 21% VAT and shipping
Contact me for purchasing !
contact [A] yannluaudio.com
!!! BRAND NEW !!!
EQ-532 : 4-band and 2-filter Stereo Equalizer
Specifications
Perfect stereo link with internal MS matrix
Through-hole technology
Proportional Q
Resonant High-Pass filter : 25 Hz to 3.15 kHz (12 dB/oct) ; bump +1.5 dB
Resonant Low-Pass filter : 160 Hz to 20 kHz (12 dB/oct) ; bump +1.0 dB
Low band : 40 Hz to 800 Hz – Bell or Shelf mode (6 dB/oct)
Low-Mid band : 200 Hz to 4 kHz – Bell
High-Mid band : 400 Hz to 8 kHz – Bell
High band : 900 Hz to 16 kHz – Bell or Shelf mode (6 dB/oct)
Maximum 10 dB of boost/cut gain per band (center detent on 0 dB)
Bi-color LED indicators for signal and clipping (trimmable)
Switchable filters
Global in/out switch (true bypass)
Also available in DIY full and partial kit (PCB and front panels)
B.O.M. here
Build Guide for DIY kit here
EQ-500 : Semi-parametric Equalizer in 500-series
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
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).
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)