ATL Hifi
Webshop located in Bulgaria which sells DC blockers, softstats and amplifiers for the DIY market.
QRV-09 - The ultra high performance SMD headphone amplifier
Click on the picture to see a larger view of the pcb.
The performance is outrageo...
QRV-08 The high performance smd headphone amp with quadruple super regulators
The performance is outrageous in he...
QRV-07 - The ultra high performance SMD headphone amplifier
QRV-06 The Current Feedback Headphone Amplifier with SMD Diamond Buffer
Click on the pictures to get a larger view.
The performance is very goo...
QRV-03 - The high performance current feedback headphone amplifier
This headphone amplifier design is based on a patent by Mark Alexander. It's a patented current feedback design. Design by Per-Anders Sjöström. You may take a look in the application note Pavel Macura Audio Audio circuits ePanorama AmpsLab "Lot's of kits here, such as power amps and even the famous and patented Alexander amp.You can also download a better copy here http://www.sjostromaudio.com/hifi_files/misc/AN211_better_text.pdf"...
Pavel Macura Audio
Audio circuits ePanorama AmpsLab "Lot's of kits here, such as power amps and even the famous and patented Alexander amp.You can also download a better copy here http://www.sjostromaudio.com/hifi_files/misc/AN211_better_text.pdf"...
Audio circuits ePanorama
AmpsLab "Lot's of kits here, such as power amps and even the famous and patented Alexander amp.You can also download a better copy here http://www.sjostromaudio.com/hifi_files/misc/AN211_better_text.pdf"...
AmpsLab
"Lot's of kits here, such as power amps and even the famous and patented Alexander amp.You can also download a better copy here http://www.sjostromaudio.com/hifi_files/misc/AN211_better_text.pdf"