Xindak PA‑1 Stereo Power Amplifier
Dual‑Mono Design | High‑Current Drive | Reference‑Grade Control
The Xindak PA‑1 Stereo Power Amplifier is a high‑performance solid‑state power amplifier engineered for absolute control, dynamic authority, and long‑term stability. Developed as a stereo version derived from Xindak’s PA‑1 mono block platform, the PA‑1 Stereo delivers exceptional power reserves and refinement in a single, uncompromised chassis.
Designed for demanding loudspeakers and high‑resolution systems, the PA‑1 is an ideal partner for high‑quality preamplifiers in serious two‑channel setups.
Key Engineering Features
True Dual‑Mono Architecture
- Independent dual‑mono circuit design
- Separate power supply sections for left and right channels
- Excellent channel separation and stable stereo imaging
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High‑Current Power Supply
- Two high‑power toroidal transformers
- Dedicated rectifier and filtering stages per channel
- Additional inductance‑based power filtering to improve supply purity and noise performance
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Output Stage & Circuit Topology
- Low‑noise, high‑input‑impedance FET input stage
- Three pairs of SANKEN high‑power output transistors per channel
- Designed for high resolution, strong dynamics, and controlled low‑frequency performance
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Connectivity
- RCA and balanced XLR inputs
- High‑quality speaker binding posts
- Compatible with a wide range of preamplifiers
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Performance Specifications
- Output Power: 200 W × 2 (8 Ω) / 400 W × 2 (4 Ω)
- Frequency Response: 10 Hz – 100 kHz
- THD: ≤ 0.02%
- Signal‑to‑Noise Ratio: 100 dB
- Input Sensitivity: 2 V
- Speaker Load: 4 Ω minimum
- Power Consumption: ≤ 300 W
- Dimensions (W × H × D): 430 × 203 × 460 mm
- Weight: ≈ 34 kg
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Sound Character
The PA‑1 Stereo is engineered to deliver:
- Powerful, tightly controlled bass
- Clean, transparent midrange reproduction
- Smooth, extended high frequencies
- Stable performance under complex speaker loads
Its high‑current design allows it to drive demanding loudspeakers with ease while maintaining musical control and precision.
Ideal System Matching
The Xindak PA‑1 Stereo Power Amplifier is ideally suited for:
- High‑end preamplifiers (solid‑state or tube)
- Low‑impedance or current‑hungry loudspeakers
- Reference‑level two‑channel hi‑fi systems
Xindak PA‑1 Stereo Power Amplifier
High power. High current. Absolute control.
