Sansui SP-5500
A 4-way passive loudspeaker system from the late 1970s, noted as part of Sansui's top-tier lineup.
Overview
The Sansui SP-5500 is a 4-way passive loudspeaker system produced in the late 1970s. It was positioned as one of Sansui’s top models during its era. The speaker features a horn-loaded midrange design and uses six drivers in a multi-way configuration. A restoration project has been documented, indicating that these speakers are vintage units which may require maintenance such as capacitor replacement in the crossover network. A user manual exists in PDF format for reference.
Specifications
| Type | 4 way, 6 driver loudspeaker system |
| Frequency Response | 40Hz to 20kHz (conflicting reports exist) |
| Impedance | 8Ω |
| Sensitivity | 98dB |
| Weight | 120 lbs each |
| Crossover Frequencies | 700, 1000, 6500Hz |
Design
The speaker incorporates a horn-loaded midrange, contributing to its high sensitivity and dynamic output. It uses a 4-way, 6-driver configuration with a crossover network that operates at 700 Hz, 1000 Hz, and 6500 Hz.
Context
The SP-5500 was part of Sansui’s top-tier speaker lineup during the late 1970s. It represented a high-end offering in the brand’s audio ecosystem, designed for audiophiles seeking detailed and powerful sound reproduction.
Market
A pair of SP-5500 speakers in Near Mint condition was listed at C$1,091.32. Restoration efforts have been documented, including capacitor replacement in the crossover. While specific failure modes for the SP-5500 are not confirmed, similar models like the SP-5500X are known to suffer from blown woofers and tweeters due to age and extended use.
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