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

GP300 General purpose laboratory amplifier, +/-300V, 1A   coming soon
!! NEW !!
PS125 100Watt Open Frame Power Amplifier
PM221 50Watt OEM Power Amplifier
OEM Custom amplifier design, prototypes and production

High performance Audio

MB42 300W subwoofer amp

MB26 10W EL84 tube push-pull monoblock
MB401 40W Class A MOSFET Monoblock Power Amplifier  !! 2023 Update !!

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