
771B Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.97 | Top Pick! Condition is Unspecified, Altec Model 771B 771BX Crossover Service Manual *Original*, shipping cost = $4.54 | 100.0% |
![]() | $30.00 | Condition is Unspecified, VINTAGE ALTEC 771B-771BX ELECTRONIC CROSSOVER OPERATIONAL MANUAL AND SCHEMATICS, shipping cost = $4.47 | 99.6% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $150.00 | Condition is For parts or not working, Altec Model 771B Electric Crossover For SPEAKER AS IS UNTEST , shipping cost = $30.00 | 98.8% |

The Altec Lansing 771B Crossover Speaker is a bi-amped component that delivers exceptional audio performance for professional and high-end audio applications. This crossover is an essential part of a speaker system, dividing the audio signal into separate frequency bands to send them to the corresponding drivers.
The 771B Crossover Speaker is built using premium components that ensure accurate frequency response and clear sound reproduction. It features a bi-amp configuration, which means each driver in the speaker system is powered by a separate amplifier. This setup provides improved efficiency, reduced distortion, and enhanced clarity.
The crossover network consists of high-quality components, including air-core and toroidal inductors, polyester capacitors, and metal-film resistors. These components are carefully selected for their sonic qualities and ability to handle high power levels.
The 771B Crossover Speaker is designed with a slant-mount configuration, allowing it to be easily installed in a cabinet or enclosure. It features adjustable potentiometers for fine-tuning the frequency response of the drivers, ensuring optimal performance for different applications.
The crossover is also constructed with a rugged, epoxy-coated PCB to protect against moisture and other harsh environmental conditions. This makes it an ideal choice for use in professional audio installations, such as live sound systems, recording studios, and installations in challenging environments.
The Altec Lansing 771B Crossover Speaker is a high-performance component that delivers precise frequency response and clear, detailed sound. Its bi-amp configuration and premium components make it an excellent choice for professional and high-end audio applications where accurate sound reproduction is essential. With its rugged construction and adjustable potentiometers, it can handle the demands of challenging environments and deliver optimal performance for any application.
Altec Lansing 771B Crossover Speakers are bi-amped, professional-grade loudspeakers that are widely used in various applications such as live sound, installations, and studio monitoring. Here are some pros and cons of buying these speakers and a concluding recommendation.
Pros:1. Bi-Amplified: Each driver in these speakers is powered by a separate amplifier, allowing for better sound quality and improved efficiency.
2. High-Quality Components: The Altec Lansing 771B speakers use high-quality components, such as Neodymium magnets and Mylar diaphragms, which ensure accurate and clear sound reproduction.
3. Versatile: These speakers can be used in a variety of applications, including live sound reinforcement, installation in venues, and studio monitoring.
4. Durable: The Altec Lansing 771B speakers are built to last, with rugged cabinets and heavy-duty components that can withstand the rigors of regular use.
5. Excellent Bass Response: The 771B speakers have a powerful bass response, making them suitable for applications where a strong low-end is required.
Cons:1. Expensive: The Altec Lansing 771B speakers are relatively expensive compared to other speakers in their class, making them a significant investment.
2. Heavy: These speakers are quite heavy, making them difficult to transport and install in locations that require frequent setup and teardown.
3. Complex Setup: Due to their bi-amped design, setting up the Altec Lansing 771B speakers can be a complex process, requiring a good understanding of audio equipment and cabling.
Conclusion:The Altec Lansing 771B Crossover Speakers offer excellent sound quality, durability, and versatility, making them a popular choice for professional audio applications. However, their high cost, weight, and complex setup may make them a less practical choice for hobbyists or those with limited budgets.
Recommendation:If you are a professional audio engineer or work in a venue that requires high-quality sound equipment, the Altec Lansing 771B Crossover Speakers are an excellent investment. Their powerful sound, clear sound reproduction, and rugged design make them a reliable and versatile tool for any audio application. However, if you are a hobbyist or have a limited budget, there are other, more affordable options available that may better suit your needs.
Details:
Mounting screws for the chassis cover are missing. RMS can not offer combined shipping or discounts on as the price reflects fees and import charges. Electronic cross bi amplifier. Sold as is, untested, for parts/repair, please see high-res- photos more details.
There is a lot of rust and paint chipping. Low starting bid and no reserve.
specifications vintaspeaker:
- brand: Altec Lansing
- mpn: 771b
- part type: Crossover Speaker
- country of origin: United States
general vintaspeaker:
- category: Electronics > Audio Video > Vintage Speakers
payments vintaspeaker:
- wallet: apple-pay
- other
- credit card: visa
offer vintaspeaker:
- best offers: true
- in stock #: 3
- availability: in stock
- prices: $30.00–$150.00
- item condition:
- Unspecified
- For parts or not working
- sold #: 9
- options: ship-to-home
- started: december 4, 2025
returns vintaspeaker:
- policy: no returns
shipping vintaspeaker:
- carrier: ups
- type: calculated
- class: standard
- transit: 4-8 days
- service: ups ground
seller vintaspeaker:
- city: beverly, massachusetts
- # reviews: 4176
- rating: 100.0%
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