the original article from Wireless World, 1947
by David Hafler & Herbert I. Keroes, Audio Engineering November
(1961) Complete description of how to build this classic design including
detailed circuit description, diagrams and parts list
report on The British Audio Establishment
by Norman Eisenberg, High Fidelity Magazine, April 1965 - A fascinating
look at Britain's leading manufacturers as seen by a visiting US journalist!
A New 25 W Audio Output Pentode
published by Mullard Ltd, 1952
Power Amplifiers - design aspects
published in Radio Electronics, May 1956
the Leak Stereo Twenty
an article by Geoff Kremer of Service Sound, UK (including circuit
Amplifiers - do they really sound different?
an excerpt from an Australian Hi-Fi magazine, 1977 discussing the
relative merits of valve and solid state technologies
of High Fidelity Announces New Standards for amplifiers
An article on new measurements and revised test techniques by Daniel
von Recklinghausen, HiFi/Stereo Review, January 1966
- Why Bother?
An amusing article by Jack Baya taken from HI-FI TAPE RECORDING, December
that did not exist
an interview with Avery Fisher taken from High Fidelity Magazine,