US2012152089A1
|
|
Amplifier with selectable master control
|
DE102005033646A1
|
|
Vacuum tube power amplifier switchable between push-pull and single-ended configurations
|
US7412064B2
|
|
Presence control for guitar amplifier
|
US7193458B2
|
|
Power supply for guitar amplifier
|
US5208548A
|
|
Programmable controls for vacuum tube preamplifier
|
US5168438A
|
|
Selectable dual rectifier power supply for musical amplifier
|
US5091700A
|
|
Amplifier with mains voltage reduction
|
CA1249346A
|
|
Power amplifier with modified dynamic response
|
US4701957A
|
|
Dual mode music instrument preamplifier
|
US4713624A
|
|
Power amplifier with modified dynamic response
|
US4593251A
|
|
Power amplifier capable of simultaneous operation in two classes
|
US4532476A
|
|
Power amplifier capable of simultaneous operation in two classes
|
CA1180775A
|
|
Power amplifier capable of simultaneous operation in two classes
|