5Hz to 50kHz (some reports suggest up to 100kHz depending on measurement standards). Design and Build Quality True to Pioneer's reputation during this period, the SA-8900 II
By 1976, Pioneer was dominating the global Hi-Fi market. The consumer demand for discrete, high-performance separates pushed Pioneer to update their amplification lines. The "II" designation represented more than a simple cosmetic facelift; it signified a radical internal redesign. Pioneer shifted from traditional single-chassis layouts to a dual-mono philosophy, heavily upgrading the power regulation and circuit topology to handle the demanding, wide-dynamic-range recordings of the era. Architectural & Circuit Design pioneer sa 8900 ii
(continuous power), often exceeding 100 watts into lower-impedance speakers with very low distortion, according to common vintage Pioneer marketing trends of the era. 5Hz to 50kHz (some reports suggest up to