
113515 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.99 | Condition is For parts or not working, Sansui S-71U Tweeter Cover Bezel Trim Pair Vintage , shipping cost = $5.97 | 99.3% |
![]() | $29.99 | Condition is For parts or not working, Sansui S-71U Mid Grill Cover Vintage , shipping cost = $6.58 | 99.3% |
![]() | $59.99 | Condition is For parts or not working, Sansui S-71U Tweeters 117059 Pair, shipping cost = $8.75 | 99.3% |
![]() | $49.99 | Condition is For parts or not working, Sansui S-71U Woofer 113515, shipping cost = $29.57 | 99.3% |
![]() | $49.99 | Condition is For parts or not working, Sansui S-71U Woofer 113515. ., shipping cost = $29.57 | 99.3% |

The Sansui 113515 S-71U Woofer is a high-performance audio component designed to deliver rich, powerful sound in home theaters, studio environments, or any application where precise bass response is essential. This woofer is part of Sansui's esteemed line of professional audio equipment, which has been trusted by audio enthusiasts and professionals for decades.
The S-71U Woofer features a 15-inch (381mm) cone made of advanced paper pulp material, ensuring exceptional rigidity and durability. The cone is reinforced with a rubber surround that provides excellent flexibility and is resistant to wear and tear. The woofer's powerful motor structure consists of a high-temperature, low-distortion aluminum voice coil and a copper cap, which ensures efficient energy transfer and stable power handling.
The Sansui 113515 S-71U Woofer boasts a unique "Sansui Unibody" design, where the voice coil former and the basket are integrated as a single piece. This design enhances the structural rigidity and reduces the mechanical loss, resulting in improved sound quality and accuracy. Additionally, the woofer's cast aluminum basket is vented, which further minimizes the distortion and provides excellent heat dissipation.
The woofer's frequency response ranges from 25 Hz to 1 kHz, making it suitable for handling the deepest bass frequencies with ease. It can handle a maximum power input of 1200 watts RMS and a peak power of 3000 watts, ensuring it can handle even the most demanding audio applications.
The Sansui 113515 S-71U Woofer is designed to be versatile and can be used in various configurations, including passive, active, or bi-amplified setups. It comes with a spade terminal and gold-plated push terminals for easy wiring and secure connections. Furthermore, the woofer is equipped with a removable grille, allowing for customization or a cleaner aesthetic when the grille is not needed.
In summary, the Sansui 113515 S-71U Woofer is a powerful and versatile audio component designed for professional applications. Its advanced design, high power handling, and exceptional bass response make it an ideal choice for home theaters, recording studios, or any setting where precise and accurate low-frequency sound is required.
Sansui 113515 S-71U Woofer: Pros and Cons
The Sansui 113515 S-71U woofer is a popular choice among audiophiles and music enthusiasts due to its excellent sound quality and design. However, like any other product, it comes with its advantages and disadvantages.
Pros:1. High-performance driver: The Sansui 113515 S-71U woofer features a powerful 15-inch driver that delivers deep, rich bass with excellent clarity and accuracy.
2. Durable construction: The woofer's cone is made of high-quality paper pulp and its voice coil is made of copper, which ensures durability and long-lasting performance.
3. Versatile application: The Sansui 113515 S-71U woofer can be used in various applications, including home theaters, studio recording, and live sound systems.
4. Affordable price: Compared to other high-performance woofers in the market, the Sansui 113515 S-71U is relatively affordable.
Cons:1. Heavy weight: Weighing in at around 42 pounds, the Sansui 113515 S-71U woofer can be quite heavy, making it difficult to transport and install.
2. Requires external amplification: The woofer does not come with an integrated amplifier, so you will need to purchase a separate amplifier to power it.
3. Sensitivity: The Sansui 113515 S-71U woofer has a relatively low sensitivity of 87 dB, which means that it requires more power to produce the same volume as a more sensitive woofer.
Conclusion:The Sansui 113515 S-71U woofer is an excellent choice for those who are looking for a high-performance, affordable woofer with deep, rich bass. Its durable construction and versatile application make it a popular choice among audiophiles and music enthusiasts. However, its heavy weight and requirement for external amplification may be a drawback for some. Ultimately, the decision to purchase the Sansui 113515 S-71U woofer depends on your specific needs and preferences.
Recommendation:If you are in the market for a high-performance woofer with deep, rich bass and are willing to deal with its heavy weight and requirement for external amplification, then the Sansui 113515 S-71U woofer is an excellent choice. However, if you are looking for a more portable and self-contained solution, you may want to consider a powered subwoofer instead.
Details:
Please look closely at the pictures as they are part of. Condition is for parts or repair as is. Tested and works great. 15 measurement in the pictures.
L2089 this was removed from a damaged cabinet.
specifications vintaspeaker:
- brand: Sansui
- mpn: 113515
- model: S-71u
- country of origin: Taiwan
seller vintaspeaker:
- # reviews: 1037
- city: opelika, alabama
- rating: 98.6%
payments vintaspeaker:
- wallet: google-pay
- credit card: visa
- other
shipping vintaspeaker:
- carrier: fedex
- class: standard
- service: fedex ground / fedex home delivery
- type: calculated
- transit: 5-10 days
returns vintaspeaker:
- policy: no returns
offer vintaspeaker:
- prices: $29.99–$59.99
- item condition: For parts or not working
- best offers: true
- sold #: 6
- options: ship-to-home
- availability: in stock
- started: april 29, 2026
- in stock #: 5
general vintaspeaker:
- category: Electronics > Audio Video > Vintage Speakers




