Vintage Pioneer SA-9800: Power, Precision & Pure Sound

 

Experience True Three-Dimensional Sound with Pioneer’s Legendary Magni-Wide Amplifiers. In the world of high-fidelity audio, most amplifiers only capture sound in two dimensions — frequency and volume. But real music exists in three dimensions: pitch, intensity, and duration. Pioneer’s groundbreaking Magni-Wide Series amplifiers — the SA-9800, SA-8800, and SA-7800 — were engineered to reproduce all three dimensions of sound with perfect balance. The result? A listening experience that feels alive, dynamic, and truly natural. Perfect Balance: Power, Precision, and Dynamics. Each Magni-Wide amplifier was designed to excel in three critical audio parameters:

Frequency range – for accurate pitch and tonal detail.

Dynamic range – for controlled intensity and expressive contrast.

Timing accuracy – for precise transient response and rhythm.

Many amplifiers emphasize one or two of these qualities, resulting in sound that’s either overly aggressive or lifeless. Only Pioneer’s Magni-Wide design delivers the perfect cube of audio performance — equally strong in all three dimensions. Advanced Non-Switching Design for Pure Sound. Thanks to Pioneer’s innovative non-switching bias circuit, these amplifiers maintain ultra-wide power bandwidth and near-zero distortion. Their ultralinear Ring Emitter Transistors (RETs) and direct-coupled current design eliminate phase shift and switching distortion, ensuring that even the softest musical passages emerge from an almost silent background. This means: Cleaner highs without harshness, Tighter bass without boom, Faster transients for lifelike dynamics. Specifications: SA-9800 – 100 watts per channel (RMS, 8Ω, 20–20,000 Hz) with less than 0.005% THD | Distortion: less than 0,005% | Size: 420x150x425mm (W/H/D) | Weight: 18 kg | Original sale price: 750 USD, 1600 DM

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