Patent · US Expired

Vacuum tube amplifier with selectable power devices

US5559469A · kind A · utility

8Cited by
1References
10Claims
0Family size

Inventor

Key dates

Filing dateMar 14, 1994
Grant dateSep 24, 1996
Priority date
Expiry dateMar 14, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F3/72
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A power output amplifier for use with electric guitar wherein the individual pairs of power tubes are of two or more differing types which may be selected by the user to operate alternately or simultaneously.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.