Power Amplifiers
Laboratory, Audio, Modules, Custom

MB42 Subwoofer Amp


VT3   High Voltage Power Amplifier for driving Piezo Activators, Stacks
GP75 General purpose laboratory amplifier, +/-75V, 4A
GP150 General purpose laboratory amplifier, +/-150V, 2A
!! NEW !!
GP300 General purpose laboratory amplifier, +/-300V, 1A   coming soon
PS125 100Watt Open Frame Power Amplifier
PM224 200Watt MOSFET amplifier module
OEM Custom amplifier design, prototypes and production

High performance Audio

MB42 300W subwoofer amp

MB26 10W EL84 tube push-pull monoblock
BTA40 20W Single Ended Tube Amplifier  !! NEW !!
MB401 300W MOSFET Monoblock Power Amplifier
MB501 125W MOSFET Power Amplifier
PM2 100W module
PM21 Dual 65Watt module
PM221 50 Watt module 
PM224 200Watt MOSFET module
PM48 2x12Watt internal stereo amplifier for PC

We also make custom amplifiers.
For example, the VT3 model shown below is custom made to drive piezo stacks of 40uF with 200V square waves.
Output is protected for short circuits. Amplifier also protected against over-temperature..

Custom Amplifier - VT3 model

Inside view of the VT3:

        Voltage Amplifier - Inside View

See also www.lab-amp.com by Marchand Electronics Inc