|
USRE37223E1
(en)
|
|
Dynamic equalizing
|
|
US4701957A
(en)
|
|
Dual mode music instrument preamplifier
|
|
US8766082B2
(en)
|
|
Amplifier with selectable master control
|
|
US9813791B1
(en)
|
|
Active phantom-powered ribbon microphone with switchable proximity effect response filtering for voice and music applications
|
|
DE2231647A1
(de)
|
|
Verstaerkeranordnung fuer tonfrequenz
|
|
US9306519B1
(en)
|
|
Phantom-powered inline preamplifier with variable impedance loading and adjustable interface
|
|
US1993859A
(en)
|
|
Combined volume and tone control
|
|
US2256072A
(en)
|
|
Tone control circuit
|
|
US8565447B2
(en)
|
|
Active instrument subwoofer system for low frequency enhancement
|
|
US2256057A
(en)
|
|
Tone control circuit
|
|
US2173222A
(en)
|
|
Method and apparatus for sound recording
|
|
US2008702A
(en)
|
|
Amplifying system
|
|
US2068685A
(en)
|
|
Transmission of sound currents
|
|
US2066676A
(en)
|
|
Tone control
|
|
US1979036A
(en)
|
|
Monitoring system for push-pull amplifiers
|
|
US2008824A
(en)
|
|
System for reproducing sound from a sound record
|
|
BE481707A
(enExample)
|
|
|
|
BE476941A
(enExample)
|
|
|
|
KR950000433B1
(ko)
|
|
음향재생시스템의 다중 출력신호용 주증폭기
|
|
JPH05266582A
(ja)
|
|
音響装置
|
|
KR910000519Y1
(ko)
|
|
전자악기의 음량 음질 제어회로
|
|
EP0223652A1
(fr)
|
|
Convertisseur pour lecteur de compact-disques
|
|
BE436798A
(enExample)
|
|
|
|
FR2579843A1
(fr)
|
|
Amplificateur audio frequences avec compensation du bruit ambiant, principalement pour l'automobile
|
|
BE410698A
(enExample)
|
|
|