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US4809336A
(en)
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Semiconductor amplifier with tube amplifier characteristics
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(en)
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Dynamic equalizing
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(en)
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Dual mode music instrument preamplifier
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(en)
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Microphone output limiter
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(en)
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Amplifier with selectable master control
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(en)
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Active phantom-powered ribbon microphone with switchable proximity effect response filtering for voice and music applications
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BE372237A
(OSRAM)
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DE2231647A1
(de)
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Verstaerkeranordnung fuer tonfrequenz
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KR20000029950A
(ko)
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전자오디오신호의고조파개선장치및방법
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US9306519B1
(en)
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Phantom-powered inline preamplifier with variable impedance loading and adjustable interface
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(en)
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Active instrument subwoofer system for low frequency enhancement
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(en)
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Tone control system
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(en)
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Method and apparatus for sound recording
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(en)
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System and method for generating musical distortion in an audio amplifier
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(en)
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Transmission of sound currents
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(en)
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Voice and music mixer for use in sound recording
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(en)
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Tone control
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(en)
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System for reproducing sound from a sound record
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BE481707A
(OSRAM)
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|
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BE476941A
(OSRAM)
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US2093393A
(en)
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Tone control system
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(en)
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Sound reproducing system
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KR950000433B1
(ko)
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음향재생시스템의 다중 출력신호용 주증폭기
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JPH05266582A
(ja)
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音響装置
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KR910000519Y1
(ko)
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전자악기의 음량 음질 제어회로
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