Vacuum tube power amplifier switchable between push-pull and single ended configurations
US7173488B2 · kind B2 · utility
5Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 19, 2004 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Oct 27, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F3/22
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A vacuum tube power amplifier with a user-operable switch and a single output transformer which selectively provides push-pull or single ended configurations for driving a loudspeaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.