
AC-3-RF Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $225.00 | Condition is Used, Lexicon LDD-1 AC3 RF Demodulator Tested Working, shipping cost = $11.82 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $27.18 | Top Pick! Condition is New, 9V AC Adapter for Lexicon LDD-1 AC-3 / RF Demodulator MSA Type Foot Controller, FREE SHIPPING | 99.0% |
![]() | $25.85 | Top Pick! Condition is New, AC Adapter For LEXICON LDD-1 AC-3/RF DEMODULATOR MSA type Power Supply Charger, shipping cost = $5.99 | 99.8% |
![]() | $25.89 | Condition is New, AC Charger For LEXICON LDD-1 AC-3/RF DEMODULATOR MSA type Power Supply Charger, shipping cost = $5.99 | 99.5% |
![]() | $40.99 | Top Pick! Condition is New, AC to AC Adapter for Lexicon LDD-1 AC-3 / RF Demodulator MSA type Power Supply, shipping cost = $5.99 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.99 | Condition is Good, Lexicon AC-3/RF LDD-1 Demodulator User Guide Owner's Manual COPY, FREE SHIPPING | 100.0% |

The Lexicon AC-3/RF LDD-1 Demodulator is a high-performance audio component designed for decoding Advanced Audio Coding (AAC) and Dolby Digital Plus (DD ) audio streams. This versatile device is essential for those seeking to enhance their home theater or professional audio setup with the latest in multi-channel, high-definition sound.
This demodulator is compact yet robust, with dimensions of approximately 17 x 11 x 3 inches and a weight of around 3.5 pounds. Its sleek, modern design makes it a great addition to any audio setup, and its rugged construction ensures reliable operation even in demanding environments.
The AC-3/RF LDD-1 Demodulator supports both RF coaxial and AES/EBU digital audio inputs. The RF input can receive signals from digital cable or satellite boxes, while the AES/EBU input is ideal for professional applications or high-end home theater setups. The device also features an optional SPDIF output for easy integration with existing audio systems.
One of the standout features of the AC-3/RF LDD-1 Demodulator is its ability to decode the latest audio formats, including Dolby Digital Plus 5.1 and 7.1 channels, as well as DTS-HD Master Audio and DTS-HD High Resolution Audio. This ensures that users can enjoy the full sonic range of their favorite Blu-ray discs, streaming services, and other digital media.
The device boasts a low power consumption of under 10 watts, making it an energy-efficient choice for audio enthusiasts. Additionally, it is designed to be easy to use, with clear status indicators and a simple setup process.
In summary, the Lexicon AC-3/RF LDD-1 Demodulator is a powerful and versatile audio component that delivers high-definition sound quality for home theater and professional applications. Its support for the latest audio formats, compact design, and energy efficiency make it an indispensable addition to any audio setup.
The Lexicon AC-3/RF LDD-1 is a high-end demodulator designed for decoding advanced audio formats, particularly Dolby Digital and DTS, for home theater applications. Here are some pros and cons to help you make an informed decision about purchasing this device:
Pros:1. Superior decoding capabilities: The LDD-1 can decode both Dolby Digital and DTS audio formats up to their latest versions, ensuring that you get the best possible sound quality from your sources.
2. Low-jitter clock: The device features an accurate low-jitter clock, which is essential for maintaining precise timing in digital audio signals and ensuring optimal sound quality.
3. Compatibility: The LDD-1 is compatible with various input sources, including satellite and cable receivers, DVD players, and Blu-ray players.
4. High-quality construction: The device is built with high-quality components, ensuring reliable performance and long-term durability.
5. Multichannel support: The LDD-1 can handle multichannel audio signals, making it an ideal solution for home theater systems.
Cons:1. Cost: The Lexicon AC-3/RF LDD-1 is a high-end device, and its price tag reflects its advanced capabilities and high-quality construction.
2. Limited connectivity: The device has a limited number of connectivity options, which may not be suitable for all home theater setups.
3. Complex setup: The LDD-1 may require some technical expertise to set up and configure, which could be a drawback for less experienced users.
Conclusion:The Lexicon AC-3/RF LDD-1 is a high-performance demodulator that delivers superior decoding capabilities for advanced audio formats, ensuring optimal sound quality for home theater applications. Its high-quality construction, multichannel support, and compatibility with various input sources make it an excellent investment for audiophiles and home theater enthusiasts. However, its cost, limited connectivity options, and complex setup may make it less appealing to some users. Ultimately, the decision to purchase the LDD-1 depends on your audio needs, budget, and technical expertise. If you prioritize high-quality sound and are willing to invest in a premium solution, the Lexicon AC-3/RF LDD-1 is an excellent choice.
Details:
This unit is untested, but it a valuable addition to any vintage audio collection. The Lexicon brand ensures quality and reliability in this unique rare piece of electronics history. The Lexicon LDD-1 ac-3/rf demodulator is a vintage audio device that demodulates ac-3 and rf signals.
specifications vintamanual:
- brand: Lexicon
- mpn: Ac-3/rf
- unit type: Unit
offer vintamanual:
- prices: $19.99–$225.00
- item condition:
- Used
- New
- Good
- availability: in stock
- options: ship-to-home
- started: december 15, 2025
- sold #: 11
- in stock #: 5
returns vintamanual:
- time: 30 days
- policy: returns accepted
- paid by: seller
- method: money back
seller vintamanual:
- # reviews: 3948
- rating: 100.0%
- city: pasadena, california
general vintamanual:
- category: Electronics > Audio Video > Parts Accessories > Vintage Manuals
shipping vintamanual:
- class: standard
- type: calculated
- carrier: ups
- transit: 4-8 days
- service: ups ground
payments vintamanual:
- credit card: discover
- wallet: paypal
- other





