The Parasound A21+ is a world-class 2-channel stereo power amplifier engineered for audiophiles who demand uncompromising performance. Designed in collaboration with legendary audio engineer John Curl, the A21+ is the ultimate upgrade for high-end stereo and home theater systems.
With its massive power reserves, ultra-low distortion, and refined circuitry, the A21+ delivers breathtaking dynamics, rich tonal accuracy, and exceptional control over even the most demanding speakers. From delicate acoustic details to thunderous bass, the A21+ brings music to life with extraordinary realism and precision.
Whether you’re building a reference listening room or upgrading a premium home audio system, the Parasound A21+ stands as one of the finest stereo power amplifiers in its class.
Features of Parasound A21+
- High-power 2-channel amplifier delivering exceptional dynamic headroom
- Designed by John Curl – world-renowned audio circuit designer
- Ultra-high-fidelity sound with outstanding clarity and detail
- Massive Toroidal power transformer for stable, clean power delivery
- Balanced and unbalanced inputs for flexible system integration
- Heavy-duty speaker binding posts for secure, audiophile-grade connections
- Premium build quality with robust chassis and advanced heat dissipation
- Perfect for audiophile stereo systems or high-end home theaters
Specifications of Parasound A21+
| Category | Details |
|---|---|
| Channels | 2 |
| Power Output (8Ω) | 300 Watts per channel |
| Power Output (4Ω) | 500 Watts per channel |
| Power Output (2Ω) | 750 Watts per channel |
| Class | Class A/AB |
| Circuit Design | John Curl-designed, high-bias/low-feedback |
| Total Harmonic Distortion (THD) | < 0.1% at full power |
| Frequency Response | 5 Hz – 100 kHz, +0/ -3 dB |
| Signal-to-Noise Ratio | ≥ 115 dB |
| Input Options | Balanced XLR / Unbalanced RCA |
| Output Connections | Gold-plated 5-way binding posts |
| Damping Factor | > 1100 |
| Power Supply | High-current Toroidal transformer |
| Dimensions (W x H x D) | Approx. 17.25″ x 7.6″ x 20″ |
| Weight | Approx. 70 lbs (31.75 kg) |
| Cooling | Efficient heat-sinking and quiet operation |
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