
( Brand: Langevin ), ( Model: EQ-251-A ), ( Type: Vintage Equalizer )
The EQ-251-A and EQ-215-A are two highly regarded passive equalizers from the Langevin family, designed to provide audio professionals with exceptional control over the frequency response of their audio signals.
The EQ-251-A is a 5-band equalizer, offering a wide range of adjustability to sculpt the sound of your music or audio recordings. Each band features a frequency selection knob, gain control, and a boost/cut switch, allowing you to make precise adjustments with ease. The high-pass filter, low-pass filter, and mid-range filters provide a versatile set of tools for shaping the overall sound and removing unwanted frequencies.
The EQ-215-A, on the other hand, is a 3-band equalizer, offering a more focused approach to frequency control. This equalizer features high-frequency, mid-frequency, and low-frequency bands, each with a gain control and a boost/cut switch. The design of the EQ-215-A emphasizes simplicity and ease of use, making it an excellent choice for those looking for a straightforward equalization solution.
Both the EQ-251-A and EQ-215-A are passive equalizers, meaning they do not require an external power source. This makes them highly portable and versatile, as they can be easily integrated into virtually any audio setup. Additionally, both equalizers are built with rugged, high-quality components, ensuring reliable performance and longevity in the studio or on the road.
In summary, the EQ-251-A and EQ-215-A are powerful and versatile equalizers from Langevin, offering audio professionals a wide range of frequency control options to shape their music or audio recordings. Their passive design, rugged construction, and intuitive controls make them a popular choice for both beginners and seasoned professionals.
The Langevin Equalizers, specifically the EQ-215-A and EQ-251-A, are renowned for their high-quality design and performance in audio equalization. Here are some pros and cons to consider before making a purchase:
Pros of Langevin Equalizers:1. High-Quality Construction: Langevin equalizers are built with robust materials, ensuring durability and longevity.
2. Wide Frequency Range: These equalizers offer a wide frequency range, allowing for precise adjustments to your audio.
3. Passive Design: The passive design of these equalizers means they don't require power, reducing the need for additional equipment and energy consumption.
4. Broadband and Narrowband Filters: Langevin equalizers come with both broadband and narrowband filters, providing flexibility in sound manipulation.
5. Low-Noise Operation: The passive design also results in low-noise operation, ensuring a clean audio signal.
Cons of Langevin Equalizers:1. Limited Gain: Because of their passive design, Langevin equalizers have limited gain capabilities.
2. Manual Adjustments: The equalizers do not have built-in displays or automatic adjustments, requiring manual tuning.
3. Lack of Modern Features: While functional, these equalizers may lack some modern features found in active equalizers, such as digital displays and presets.
Conclusion: If you're looking for a high-quality, durable, and passive equalizer with a wide frequency range, Langevin equalizers might be a great option for you. However, their limited gain capabilities and manual adjustments might be a drawback for those seeking more advanced features. Consider your specific audio needs and preferences before making a purchase decision.
Recommendation: If you're interested in Langevin equalizers, the EQ-215-A or EQ-251-A could be a good fit for you, depending on your specific requirements. They are especially suited for professional audio engineers, sound mixing studios, and musicians seeking precise control over their audio without the need for power supplies.
The boosts are very sweet and musical. They have unbalanced outputs with pin 2 hot and pin 3 tied to pin 1 ground. All frequencies were tested with audio analyzer software and the two units match perfectly. Everything else is stock.
The set q seems to be just right. These are fully functional and sound awesome. Cuts for both high and low are one fixed frequency and both are shelving. The original frequency selector knobs were slip on type and got lost somewhere along the way so replacement knobs were fitted.
For sale is a pair 2 Langevin vintage eq 251 a passive program equalizers. The off positions on the low frequency selector will bypass both frequency's. Even though these are working perfectly, they are vintage pieces and sold as is.
Please see the vintage Langevin literature in the pictures. With a digitising 192 I o interface the loss is about 10db.
These units are passive and need no power. The high frequencies are peaking and the low frequencies are shelving. They do have a 10 14db insertion loss depending on the loading. They have been fitted with XLR pigtails including Jensen jet 11 Dem line transformers value for true isolated balanced input.