FR897248A - Low frequency amplifier and electrodynamic speaker system - Google Patents

Low frequency amplifier and electrodynamic speaker system

Info

Publication number
FR897248A
FR897248A FR897248DA FR897248A FR 897248 A FR897248 A FR 897248A FR 897248D A FR897248D A FR 897248DA FR 897248 A FR897248 A FR 897248A
Authority
FR
France
Prior art keywords
low frequency
frequency amplifier
speaker system
electrodynamic speaker
electrodynamic
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.)
Expired
Application number
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR897248A publication Critical patent/FR897248A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
FR897248D 1942-08-14 1943-08-13 Low frequency amplifier and electrodynamic speaker system Expired FR897248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL897248X 1942-08-14

Publications (1)

Publication Number Publication Date
FR897248A true FR897248A (en) 1945-03-15

Family

ID=19856224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897248D Expired FR897248A (en) 1942-08-14 1943-08-13 Low frequency amplifier and electrodynamic speaker system

Country Status (1)

Country Link
FR (1) FR897248A (en)

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