The Parasound Halo A51 High-End Five-Channel Power Amplifier is engineered to deliver exceptional sound quality for your home theater. Designed by the renowned John Curl, this amplifier features THX Ultra2 certification and operates in high bias Class A/AB mode, ensuring pristine audio reproduction.
With balanced inputs utilizing discrete circuits and XLR connectors, the A51 allows for a direct coupled signal path free from capacitors and inductors. It incorporates a complementary MOSFET driver stage and a JFET input stage, along with 40 beta-matched 15 amp, 60 MHz bipolar output transistors for unmatched performance.
The robust 2.2 kVA encapsulated toroid power transformer includes independent secondary windings for each channel, providing a remarkable 164,000 μF power supply filter capacitance. The amplifier is equipped with DC servo and relay protection circuits, ensuring reliable operation.
Featuring heavy-duty 24k gold-plated 5-way speaker terminals and gold-plated RCA input jacks, the A51 also includes a ground lift switch. It can be activated automatically by a 12v trigger or audio signal. Experience the ultimate in sound quality with the Parasound Halo A51, one of the top-rated Class A power amplifiers available today.
Jeffrey Black (verified owner) –
The Parasound Halo A51 has transformed my home theater. The sound quality is unparalleled, and the build is incredibly robust. Highly recommend for any audiophile!
Ashley Schmidt (verified owner) –
After using the Halo A51, I can confidently say it’s one of the best five-channel power amplifiers I’ve ever owned. The clarity and depth of sound are simply amazing.
Ashley Morales (verified owner) –
I was hesitant due to the price, but the Parasound Halo A51 is worth every penny. The high-end performance it delivers is unmatched in its class.