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Stereo amplifier Parasound A21+

AED 13,500

Artem

5.0

4 items live

Item Details

Age

2-5 years

Condition

Almost no noticeable problems or flaws

Warranty

No

Usage

Used an average amount, as frequently as would be expected

Posted on: 28th June 2026

Description

PARASOUND HALO A21+
Stereo Power Amplifier

Designed by legendary circuit engineer John Curl, the Halo A21+ refines
Parasound's most celebrated power amplifier for today's systems - blending raw
current delivery with effortless musicality. High-bias Class A/AB topology,
dual-mono construction, and 2 ohm stability make it a benchmark choice for both
demanding stereo systems and home theater front-channel duty.

KEY FEATURES
- High-bias Class A/AB topology designed by John Curl for pure, detailed sound
- Dual-mono construction with separate power supplies per channel for low
distortion and high channel separation
- 1.3 kVA toroidal transformer with 108,000 uF of filter capacitance
- Stable down to 2 ohms - drives demanding, low-impedance loudspeakers with ease
- Balanced XLR and unbalanced RCA inputs, plus single-ended loop output for
multiamping
- Bridgeable to mono for up to 1000W into 8 ohms
- 12V trigger input and auto turn-on circuit for system integration
- Heavy-duty five-way binding posts, hand-tighten capable

SPECIFICATIONS
Power Output 300W/ch @ 8ohm, 500W/ch @ 4ohm, 1000W @ 8ohm (bridged)
Topology Class A/AB, Dual-Mono
Frequency Response 20Hz - 20kHz, +0/-0.25dB
Voltage Gain 29dB (unbalanced), 35dB (balanced)
Input Sensitivity 1V (balanced or unbalanced)
Damping Factor >1100 @ 20Hz
THD <0.1% @ full output
Signal/Noise (A-weighted) >115dB
Inputs Balanced XLR / Unbalanced RCA, with loop output
Dimensions (W x H x D) 448 x 197 x 508 mm
Net Weight approx. 32.2 kg
Warranty 5 Years, Parts & Labor

BRAND HERITAGE
Founded in 1981 by Richard Schram, Parasound's flagship Halo line was
developed with circuit designer John Curl beginning in 1988. The A21+
succeeds the original A21, which held a fifteen-year run as a benchmark of
price-to-performance in high-end power amplification - refined with a larger
transformer, increased filter capacitance, and lower distortion for today's
systems.