GB0702144D0 - Audio amplifier - Google Patents

Audio amplifier

Info

Publication number
GB0702144D0
GB0702144D0 GBGB0702144.7A GB0702144A GB0702144D0 GB 0702144 D0 GB0702144 D0 GB 0702144D0 GB 0702144 A GB0702144 A GB 0702144A GB 0702144 D0 GB0702144 D0 GB 0702144D0
Authority
GB
United Kingdom
Prior art keywords
audio amplifier
amplifier
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB0702144.7A
Other versions
GB2446614A (en
GB2446614B (en
GB2446614A9 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BLACKSTAR AMPLIFICATION Ltd
Original Assignee
BLACKSTAR AMPLIFICATION Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BLACKSTAR AMPLIFICATION Ltd filed Critical BLACKSTAR AMPLIFICATION Ltd
Priority to GB0702144A priority Critical patent/GB2446614B/en
Publication of GB0702144D0 publication Critical patent/GB0702144D0/en
Publication of GB2446614A publication Critical patent/GB2446614A/en
Publication of GB2446614A9 publication Critical patent/GB2446614A9/en
Application granted granted Critical
Publication of GB2446614B publication Critical patent/GB2446614B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/22—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/02—Volume compression or expansion in amplifiers having discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
GB0702144A 2007-02-01 2007-02-01 Audio amplifier Active GB2446614B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0702144A GB2446614B (en) 2007-02-01 2007-02-01 Audio amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0702144A GB2446614B (en) 2007-02-01 2007-02-01 Audio amplifier

Publications (4)

Publication Number Publication Date
GB0702144D0 true GB0702144D0 (en) 2007-03-14
GB2446614A GB2446614A (en) 2008-08-20
GB2446614A9 GB2446614A9 (en) 2008-09-17
GB2446614B GB2446614B (en) 2011-06-15

Family

ID=37891288

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0702144A Active GB2446614B (en) 2007-02-01 2007-02-01 Audio amplifier

Country Status (1)

Country Link
GB (1) GB2446614B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1398612B1 (en) 2010-03-16 2013-03-08 Parsek S R L METHOD FOR ADJUSTING THE MAXIMUM OUTPUT POWER OF A STAGE VALVE POWER AMPLIFIER FOR AN AUDIO AMPLIFIER, AND CORRESPONDING STAGE VALVE POWER AMPLIFIER
GB2607109B (en) 2021-05-28 2023-12-13 Blackstar Amplification Ltd Valve amplifiers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB686526A (en) * 1948-07-22 1953-01-28 Emi Ltd Improvements in or relating to noise suppression circuits in radio receivers
GB676786A (en) * 1949-07-13 1952-08-06 Farranti Ltd Improvements relating to thermionic valve amplifiers
US4636740A (en) * 1984-04-23 1987-01-13 Kager Dennis L Control circuit for varying power output of push-pull tube amplifiers
US6140870A (en) * 1998-05-18 2000-10-31 Cook; Erick M. Hybrid thermionic valve and solid state audio amplifier

Also Published As

Publication number Publication date
GB2446614A (en) 2008-08-20
GB2446614B (en) 2011-06-15
GB2446614A9 (en) 2008-09-17

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