Electronics
PCB Scanning, PCB Designer & Engineer, Laser Photoplotting, & NDT Testing - Precision Images, LLC
Science, Technology, Electronics, CAD - Precision Images. A service bureau for printed circuit board scanning and photoplotting.
http://precision-images.biz
National Instruments Electronics Workbench Group Announcing NI Multisim 10 and NI Ultiboard 10
Schematic Capture, SPICE Simulation, PCB Layout, OrCAD, pSPICE, PCB, EDA Software, Multisim, Ultiboard, MultiMCU, SPICE Simulation Software, PCB Layout Software, circuit design, circuit simulation, circuit schematic
http://interactiv.com/
CAD footprints, symbols and boardblank libraries and printed circuit design services for the electronics engineering community.
CAD/EDA Libraries for OrCAD, PCAD and Protel
http://www.santabarbarapcd.com
KGS -LT-AsIEEd U zTz
Science, Technology, Electronics, CAD - KGS Technology Ltd. Distributor of various third party CAD software products, and PCB engineering service provider.
http://www.kgs.com.hk/
Illuminated Software - Draftcad Deluxe Schematic Capture and PCB Design Software
Science, Technology, Electronics, CAD - Illuminated Software. Developer of Draftcad Deluxe, schematic capture and printed circuit board layout software for Linux, DOS and Windows.
http://www.illuminated.com.au/
Sound masking: White noise machines and noise generators to correct office noise
Sound masking systems - White noise machines and white noise generators to correct problems of office noise and confidentiality. We are leaders in sound masking using white noise machines generators
https://www.floridasoundmasking.com/
LabGuy's World: The History of Video Tape Recorders before Betamax and VHS
Science, Technology, Electronics, Audio and Video - Labguy's World: The History of Video Tape Recorders before Betamax and VHS. A museum and research reference site of small format video tape recorders that exisisted prior to 1976.
http://www.labguysworld.com
The History of Sound Recording Technology
Science, Technology, Electronics, Audio and Video - The History of Sound Recording Technology. History of sound recording from Edison to MP3.
https://recording-history.org/
Head-Fi is the meeting place for headphone hi-fi enthusiasts.
Science, Technology, Electronics, Audio and Video - Head-Fi. Head-Fi is the meeting place for headphone hi-fi enthusiasts.
https://www.head-fi.org/
World Tube Audio Portal Get the information!
Science, Technology, Electronics, Reference - World Tube Audio Portal. Audio tube related link list, forums and newsgroups, tube amplifier collection and tweaking.
http://www.worldtubeaudio.com/
John Broskie's Guide to Tube Circuit Analysis & Design
Science, Technology, Electronics, Reference - The Tube CAD Journal. A monthly webzine devoted to vacuum tube circuit design and understanding.
https://www.tubecad.com/