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Nº536 Series Power Amplifier
3
transistors per output stage (24 total); and 12 discrete 230V, 70MHz TO-220
bipolar driver transistors per output stage (one for each output transistor,
24 total). Its power supply contains eight discrete, high speed, 40A, 250V
TO-220 Schottky rectiers per output stage (16 total) and 18 lter capacitors
per output stage (36 total) for a grand total of 169,200 microfarads of
storage capacitance. The N
o
-
536 also features a custom-designed, low noise
toroidal transformer, rated for 1,800VA total continuous power with separate
secondary windings for each output stage. The output stage and power
supply components are over-specied to offer unsurpassed performance and
reliability. The input stage of the N
o
-
536 contains two matched-pair, low-
noise, high-gain, dual JFET input transistors, which in turn are connected
in a double cascode conguration to bipolar transistors; the combination
of devices offers inherently low distortion and wide bandwidth, as well as
the ability to effortlessly swing large signal voltages. This circuit operates in
a fully balanced, differential conguration and uses discrete TO-126 bipolar
pre-driver transistors to accurately drive the massive output stages.
• Class AB design rated at 400W into 8 ohms and 800W into 4 ohms
• Fully discrete and differential signal path, input to output
• High linearity, low-feedback design for low distortion and
wide bandwidth
• Voltage gain and driver stages operate in class A
• Direct coupled: no capacitors in the signal path
• Custom-designed, low-noise 1800VA toroidal transformer
• High current linear power supplies employing low noise, high speed
discrete Schottky rectiers and multiple paralleled lter capacitors
• Mirror-image symmetrical design
• Four binding posts with Hurricane terminals for standard and bi-wired
loudspeaker connections
• System controls: Ethernet, RS-232, IR input, 12V trigger input and
output, USB
• Power Amplier
• Owner’s Manual
• Handling Gloves (pair)
• Power Cable
Features
Box Contents
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