Parasound Halo A 51 Five-Channel Power Amplifier
Parasound Halo A 51 Five-Channel Power Amplifier
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View full detailsParasound Halo A 51 Five-Channel Power Amplifier
A 250 W, high-bias class A and AB amp designed by John Curl. THX Ultra2 certified.
With circuitry designed by the legendary John Curl, the Parasound Halo A 51 is a high-bias class-A with AB operation that will deliver monster power to your five channel home theater setup.
With a power delivery of 250 W per channel, the Halo A 51 will fill any room, with headroom to spare.
The JFET input stage is connected to a complementary MOSFET driver stage, and the amp uses 40 beta-matched 15 ampere, 60 MHz bipolar output transistors. The 80 lb. amp uses a 2.2 kVA encapsulated toroidal transformer with independent windings for each channel. The output stage uses 164,000 µF filter capacitors.
Features
- DC Servo and relay protection circuits
- THX Ultra2 certified
- Automatic turn-on by 12 V trigger or audio sensing
- 4 rack space chassis with rear carry handles
- Rack mount hardware included
Specifications
Power Output (8, 4 ohm): 250 W, 400 W
Inputs: 5 x RCA, 5 x XLR, DC trigger
Input Impedance (Bal., SE): 94 kΩ, 47 kΩ
Dimensions (WHD): 17-1/2" x 7-5/8" x 20"
Weight: 80 lb.