Pioneer SA-5500 (mkII)

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Brand: Pioneer

The Pioneer SA-5500 (mkII) is an upgraded version of Pioneer's flagship stereo amplifier, first introduced in 2018. The mkII model features several improvements, including a new analog circuit design that enhances overall audio performance, a more sophisticated power supply, and upgraded audio grid and relay switches. Some of the specific improvements include:1. Analog circuit design: The SA-5500 (mkII) features heavily improved analog circuitry that results in a more balanced, detailed, and natural sound. This is achieved through the use of Pioneer's proprietary D.A.D.S. Technology (Dynamic Audio Drive System), which is a highly advanced feedback control system that ensures optimal sound quality at all times.2. Power supply: The SA-5500 (mkII) employs a new power supply design that improves overall efficiency, reduces noise, and enhances audio clarity. The new power supply also features a specially designed EI (Epsilon Iron) core transformer that offers higher-current output and lower distortion.3. Audio grid and relays: The mkII model incorporates new audio grid and relay switches that are more precise and consistent, with reduced contact resistance and improved switching accuracy. Together, these improved components ensure that audio signals are accurately transmitted from input to output, resulting in a higher-quality listening experience.Overall, the Pioneer SA-5500 (mkII) represents an elite-level stereo amplifier that is aimed at audiophiles and professional studio engineers who demand the highest possible audio performance. The combination of highly advanced analog circuitry, a sophisticated power supply, and improved audio grid and relay switches delivers an exceptional audio experience, making the SA-5500 (mkII) one of the most sought-after amplifiers in its class.

Power Output: 15W into 8Ω (stereo)
Frequency Response: 20Hz to 20kHz
Distortion: 0.5%
Damping Factor: 30
Speaker Impedance:
Input Sensitivity: 2.5mV (mm), 150mV (line)
Signal to Noise Ratio: 71dB (mm), 87dB (line)
Line Output: 150mV (line), 30mV (din)
Dimensions: 380 x 124 x 269 mm
Weight: 5.2 kg
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