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US4809336A
(en)
|
|
Semiconductor amplifier with tube amplifier characteristics
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|
US4490843A
(en)
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|
Dynamic equalizing
|
|
US4701957A
(en)
|
|
Dual mode music instrument preamplifier
|
|
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(en)
|
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Microphone output limiter
|
|
US8766082B2
(en)
|
|
Amplifier with selectable master control
|
|
BE372237A
(enrdf_load_stackoverflow)
|
|
|
|
DE2231647A1
(de)
|
|
Verstaerkeranordnung fuer tonfrequenz
|
|
US9210508B1
(en)
|
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Active phantom-powered ribbon microphone with switchable proximity effect response filtering for voice and music applications
|
|
KR20000029950A
(ko)
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전자오디오신호의고조파개선장치및방법
|
|
US9306519B1
(en)
|
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Phantom-powered inline preamplifier with variable impedance loading and adjustable interface
|
|
US1993859A
(en)
|
|
Combined volume and tone control
|
|
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(en)
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Active instrument subwoofer system for low frequency enhancement
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US2121150A
(en)
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Tone control system
|
|
US2173222A
(en)
|
|
Method and apparatus for sound recording
|
|
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(en)
|
|
Presence control for guitar amplifier
|
|
US2219729A
(en)
|
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Device employed in the conversion of electrical energy into acoustic energy and viceversa
|
|
US2008702A
(en)
|
|
Amplifying system
|
|
US2068685A
(en)
|
|
Transmission of sound currents
|
|
US2158268A
(en)
|
|
Voice and music mixer for use in sound recording
|
|
US2066676A
(en)
|
|
Tone control
|
|
US2008824A
(en)
|
|
System for reproducing sound from a sound record
|
|
BE481707A
(enrdf_load_stackoverflow)
|
|
|
|
BE476941A
(enrdf_load_stackoverflow)
|
|
|
|
KR950000433B1
(ko)
|
|
음향재생시스템의 다중 출력신호용 주증폭기
|
|
JPH05266582A
(ja)
|
|
音響装置
|