DUAL MONO CONSTRUCTION
Four Synchro-PWM power supplies allow a very fast transient current response and create a Dual Mono configuration.
 
MOSFET-BJT HYBRID CONFIGURATION
HV venti employs a unique output power stage topology, discrete IGBT, made by two Hitachi DMOS driving two pairs of complementary Sanken power BJT, each rated for 30A peak current and 200 W dissipation.
 
A-CLASS PREAMPLIFIER AND DRIVER
It is made of two groups, Front End pre-amplifier and control unit. The whole stage is balanced up to the driver outputs. The power supply voltage is 90 V and is specific for this stage and dedicated to the two separate channels. The separate 150 V power supply is thermally stabilized and A Class biasing. Input is balanced with the first stage, complementary JFET differential and the second stage, complementary BJT differential. The voltage amplifier is Cascode type with a buffer to drive the output stage.