Speakers : Stereo Receivers & Amplifiers : Parasound Products inc - A 21

750W 112dB Signal to Noise Ratio Amplifier

Model: A 21

High bias class A/AB operation
Balanced inputs with discrete circuits and XLR connectors
Direct coupled - no capacitors or inductors in signal path
Complementary MOSFET driver stage and JFET input stage
16 beta-matched 15 amp, 60 MHz bipolar output transistors

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Amplifier is designed with heavy-duty 24k gold-plated 5-way speaker terminals and gold-plated RCA input jacks in ground lift switch.It has balanced inputs with discrete circuits and XLR connectors. Built with 1.2 kVA encapsulated toroid power transformer with independent secondary winding for each channel.

High bias class A/AB operation
Balanced inputs with discrete circuits and XLR connectors
Direct coupled - no capacitors or inductors in signal path
Complementary MOSFET driver stage and JFET input stage
16 beta-matched 15 amp, 60 MHz bipolar output transistors
100,000 µF power supply filter capacitance
DC Servo and relay protection circuits
AC present, channel status, high temperature indicators
Heavy-duty 24k gold-plated 5-way speaker terminals
Gold-plated RCA input jacks; ground lift switch
Auto turn-on by 12v trigger or audio signal, 12v trigger out

Maximum Frequency Response (Bandwidth): 20 kHz
Maximum Frequency Response (Bandwidth): 20000 Hz
Minimum Frequency Response (Bandwidth): 20 Hz
Minimum Frequency Response (Bandwidth): 0.02 kHz
Certifications: THX Ultra2
AC Voltage (Maximum): 120 Volts
AC Voltage (Minimum): 110 Volts
Active Power: 750 Watt
Depth: 20 in
Height: 7.60 in
Width: 17.50 in
Product Weight: 60 lbs

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750W 112dB Signal to Noise Ratio Amplifier

Model: A 21

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