Sjöström Audio

[ - ] Hide Toolbar

Hide Listings

Listings
https://audio-circuit.dk
Audo Circuit DK
Jan Dupont has a big collection of schematics and service manuals for all sorts of audio equipment, such as amplifiers and loudspeakers.
Add to Featured Listing Add to my Favorites List Read more...
http://www.neurochrome.com
Neurochrome
Neurochrome run by Tom Christiansen is based in Calgary, Canada. I founded Neurochrome in 2010 to provide well-designed high-end audio circuits to the DIY audio community and it quickly grew to a self-sustaining hobby. This early success provided me with...
Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/119-pa03-pavel-dudek-s-deluxe-gainclone
PA03 - The Czech Gainclone - based onLM4780
Click on the picture to get a larger view Click on the picture to get a larger view.Picture shows the input connector. Click on the picture to get a larger view.Picture shows the speaker outputs. The design is based on...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/121-qrp02-the-smd-gainclone-high-performance-mono-power-amplifier
QRP02 The SMD Gainclone - high performance mono power amplifier
QRP-02 - The first SMD Gainclone amplifier in the world(?) Click on the picture to get a larger view. The world's frist DIY SMD Gainclone Specifications for the new advanced Gainclone. 50 um pcb with groundplane Fast recovery rectifier diodes...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/120-qrp01-the-gainclone-high-performance-power-amplifier
QRP01 The Gainclone - high performance power amplifier
Gainclone - The most popular amplifier in the world(?) A LM3886 from National Semiconductor. The heart of a Gainclone. It took a while to understand what "GC" was, or Gainclone. What a name! A couple of IC's (LM3875, LM3876 and LM3886) from National...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/130-qrv09-headphone-amp
QRV-09 - The ultra high performance SMD headphone amplifier
Click on the picture to see a larger view of the pcb. The performance is outrageous in headphone amp terms. See the technical data! Interesting features: The pcb fits virtually any single opamp Room for good coupling caps (if you must or like)...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/129-qrv08-headphone-amp
QRV-08 The high performance smd headphone amp with quadruple super regulators
Click on the picture to see a larger view of the pcb. The performance is outrageous in headphone amp terms. See the technical data! Interesting features: High speed, low distortion current feedback design. All discrete design of the amp itself...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/128-qrv07-headphone-amp
QRV-07 - The ultra high performance SMD headphone amplifier
Click on the picture to see a larger view of the pcb. The performance is outrageous in headphone amp terms. See the technical data! Interesting features: The pcb fits virtually any single opamp Room for good coupling caps (if you must or like)...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/127-qrv06-headphone-amp
QRV-06 The Current Feedback Headphone Amplifier with SMD Diamond Buffer
Click on the pictures to get a larger view.   The performance is very good. See the technical data! Interesting features: Extremely low distortion, approx: 0.00046% Extremely fast, > 25 MHz, 3000 V/µs The pcb fits virtually any SOT23 small...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/126-qrv05-diamond-buffer
QRV-05 - The high performance SMD Diamond buffer
  The component side and also solder side. The component print The performance is very good. See the technical data! Interesting features: The pcb fits virtually any SOT23 small signal transistor and almost any SOT223 power...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/125-qrv04-headhone-amp
QRV-04 - The high performance SMD headphone amplifier with multiple feedback
Click on the picture to see a preview of the pcb. Interesting features: The pcb fits virtually any single opamp with or without offset trim. Room for good coupling caps (if you must or like), both SMD and regular hole mounted, if you are having...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/124-qrv03-headphone-amp
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 AN-211 from Analog Devices. Click on the picture to get a larger...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/123-qrv02-headphone-amp
QRV-02 - The high performance headphone amplifier with multiple feedback
  Click on the picture to get a larger view. I designed this amplifier as a result of reading postings at HeadWize. The forum is I'm afraid closed down. I call it "underkill amp" or "Cmoy deluxe". The performance is outrageous in headphone amp terms...
Add to Featured Listing Add to my Favorites List Read more...
http://sjostromaudio.com/pages/index.php/hifi-projects/122-qrv01-headphone-amp
QRV-01 - The extreme headphone amplifier
Click on the picture to get a larger view. I designed this amplifier 1986 and I felt like publishing it now. The excellent MOSFETs from Supertex Inc are hard to get these days (not impossible) so therefore the amp needed to be redesigned a little bit...
Add to Featured Listing Add to my Favorites List Read more...
http://www.susan-parker.co.uk/zeus.htm
Zero Feedback Transformer Audio Power Amplifier without feedback
This woman(!), Susan Parker has designed an very odd amplifier which has no feedback and only two active devices. Very rare, indeed.
Add to Featured Listing Add to my Favorites List Read more...
http://marcusgun.com/elektronik.html
The M250 amp
This swedish gentleman has done a nice power amp with simple means, no CAD for instance. Hand drawn schematics and hand taped pcb layout.
Add to Featured Listing Add to my Favorites List Read more...
http://leachlegacy.ece.gatech.edu/lowtim/
The Leach SuperAmp
Professor W. Marshall Jr. Leach have designed a very interesting power amp with high slew rate.
Add to Featured Listing Add to my Favorites List Read more...
http://bovan.net/gmweb2
The Home of Graham Stephen Maynard's GEM
An interesting class A amp designed by Graham Maynard.
Add to Featured Listing Add to my Favorites List Read more...
http://www.pansonaudio.com
Panson Audio Laboratoriesc
Nice LM49810 based amplifier.
Add to Featured Listing Add to my Favorites List Read more...
http://www.shine7.com/audio/audio.htm
Monster's DIY Audio
DIY audio projects : 300W 6xLM3886 paralleled-bridged, 100W 2xLM3886 paralleled, Regulated LM3875 GainClone, AD1955 DAC, Vifa XT25 MG18 MTM speaker, Speaker simulation using Orcad.
Add to Featured Listing Add to my Favorites List Read more...