219206 ⎘
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
Transistor Bias Adjustment for Optimization of Third Order Intercept Point in a Cascode Amplifier
#2AMPLIFYING CIRCUIT AND VOLTAGE GENERATING CIRCUIT
#3Transistor Bias Adjustment for Optimization of Third Order Intercept Point in a Cascode Amplifier
#4TRANSIT
#5Vacuum tube amplifier module and assembly method thereof
#6Transistor bias adjustment for optimization of third order intercept point in a cascode amplifier
#7Vacuum tube for amplifier circuit, and amplifier circuit using same
#8Vacuum tube audio amplifier
#9Low voltage tube circuits
#10Equilibration of a multibeam inductive output tube
#11Low voltage tube circuits
#12Noise cancellation in amplifier systems
#13MEANS FOR DYNAMIC ELECTRONIC OR DIGITAL PROGRAMMABLE CONTROL OF ANALOG HIGH OR LOW VOLTAGE AUDIO SIGNALS IN MUSIC INSTRUMENT AMPLIFIERS
#14Tube amplifier systems and related methods
#15Electronic device and control method thereof
#16Multi-primary distributed active transformer amplifier power supply and control
#17Multi-primary distributed active transformer amplifier power supply and control
#18Multi-primary distributed active transformer amplifier power supply and control
#19RIAA CORRECTION OF AUDIO SIGNAL WITH USE OF TRANSFORMER
#20Vacuum tube circuit
#21Method for RIAA correction of audio signal with use of transformer and capacitor
#22Method for RIAA correction of audio signal with use of transformer
#23Supply circuit for power amplifier drivers
#24Multi-primary distributed active transformer amplifier power supply and control
#25Multi-primary distributed active transformer oscillator power supply and control
#26Low voltage tube circuits