Welcome to my DAA Dandy Audio Adventure, a collection of audio projects throughout the years from idea to actually building, sharing and sometimes (not all the time) provides fulfillment to someone dreams to have a EAFF hardware and/or solution.

Audio Amplifier

LM386 First Amplifier Project I built during High School

40W Power Amplifier Failed to obtain the Parts due to lack of financial during high school days

Incredible Power Amplifier 100W Failed to obtain the Parts due to lack of financial during high school days

LM311 Failed to obtain the Parts due to lack of financial during high school days

IC Amplifier, STK2009 Failed to obtain the Parts, not available in my place

100W Discrete Amplifier Failed to obtain the Parts due to lack of financial during high school days

HA IC amplifier Failed to obtain the Parts, not available in my place

Halfler Power Amplifier University Project

AV1000G Analog Process  Surround Sound  Amplifier

DR20W National Semiconductor IC solution LM1876F

DR100W-PA Philips Class-D solution TDA8920BTH / TDA8950TH

DNY40W Discrete Power Amplifier with 40W Power Output

Nathan ID40 Inverted DNY40W on the front end

Nathan Amp Baby XR 100W Power Amplifier based on University Project

Nathan Amp Train just an idea to have many pair of Power Transistors

Nathan XR-22 Class A 5W/channel Amplifier

Nathan Winter Kamp Class A Amp Camp Amp

IR2110 Class-D IR2110 / IR2113 Class D Self Oscillating

DR200W Class-D Based on IRS2092S Class-D Modular Driver Amp

DR200W-Bold Based on TDA8954 Class-D IC chipset


Audio Tone Control

PATC Pure analog Tone Control

DR100W Hybrid Analog + Digital Equalizer and Tone Control


Audio Power Supply

PATC_SPS +./-15Vdc Regulated Split Power Supply for PATC

SPSA Split Power Supply for Power Amplifier, max 60Vdc


Audio Amplifier Controller

DR100W-CM a module with large LCD runs by Intel 8051 core 40 pins traditional MCU based on STC90C516RD+ compatible to original 8051 ,  20×4 LCD, button and RF Controller

SAMuC a set of modules for Controlling DIY Made Amplifier using the Intel 8051 core high-speed MCU written in Basic Language, no LCD

SA2MuC Arduino A set of modules for Controlling DIY Made Amplifier using Arduino Solution + Sketch, with LCD


Audio Amplifier Protection

Speaker Protection Driver LPK12 a kid-pcb with C1237HA speaker protector IC, plug and play solution

Speaker Protection Module Low Power a module selected for low power amplifier protection intended to be driven by Speaker Protection Driver LPK12