THE AMPLIFIER INSTITUTE

4 July 2011 Updated
The Design of Active Crossovers
OUT NOW

23 Dec 2013 Updated
Audio Power Amplifier Design: 6th edition

2 June 2014 Updated:
My articles etc

5 Mar 2015 Updated:
Electronics World Article Index

7 Jan 2016 UPDATED
The Wireless World Archive
Rumble filters added


THE MUSEUM OF RETROTECH

3 Nov 2015 Updated:
Acoustic radar

9 Nov 2015 Updated:
Monowheels

27 Nov 2015 Updated:
Acetylene engines

31 Dec 2015 Updated:
Voicepipes & Speaking Tubes

6 Feb 2016 Updated:
High-Speed Steam Engines

8 Feb 2016 Updated:
Pneumatic guns


UNUSUAL RAILWAY LOCOMOTIVES

29 Nov 2015 Updated
Luttermoller Axles

3 Dec 2015 Updated
Klien-Lindner Axles

10 Dec 2015 Updated
Vertical boilers

5 Feb 2016 Updated
Sentinel Locomotives

9 Feb 2016 Updated
Duplex Drive Locomotives

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