Game Instance

Let the games begin

Audio

From 20Hz up to 20kHz

Technics SU-VX920 review

love it or leave it

2025-03-09

Technics SU-VX920 repair - 4th part

wrong adaptor relay

2025-02-22

Technics SU-VX920 repair - 3rd part

left channel noise

2025-02-09

Technics SU-VX920 repair - part 2

headphones relay adaptation

2025-02-02

Technics SU-VX920 repair

current drive fix

2025-01-18

Technics SU-VX920

high-end amp of early 90s

2024-12-28

ESP32 PCM56 player

An ST-S505 integration

2024-06-01

FLAC decoder

A comprehensible, lightweight C++ implementation

2024-03-27

PCM56 audio player

ESP32 evolution

2024-03-10

Technics ST-S707

80s top-shelf tuner

2024-03-02

PCM56 audio player

An ESP8266 application

2024-02-11

Classix II clearcoat revival

Pun intended

2023-12-23

Technics SL-P200

Last of its name

2023-06-10

Happy New Year!

Bass-reflex loudspeaker design widget

2018-12-31

Merry Christmas!

Santa brings you a speaker design widget

2018-12-26

STM32 Oscilloscope with FFT and SD export

The Arduino code

2018-11-11

Baffle step correction

A Hail Mary attempt on my Classix II bass issue

2018-09-23

Speaker impedance measurement

A Python & Arduino gadget

2018-09-16

Classix II - 2 way bookshelf speakers

Featuring: Dayton DC160-8 and Vifa BC25TG15-04

2018-09-09

Digital Filtering

Direct forms I and II

2018-06-03

Bass-Reflex phase corrector

IIR 2nd order digital filter

2018-05-06

Bass-Reflex transfer function

Frequency and phase response. Phase and group delay.

2018-04-29

Classix II

A Paul Carmody design

2018-04-22

DIY Bookshelf Speakers

Loudspeaker design 101

2018-04-15

Bluetooth audio receiver

The C7THN50004 chip self-designated WIN-668

2017-11-05

Arduino Audio Controller

A Pulse Width Modulation application

2017-02-19