85B490-C4538

COIL SPEAKER, Jensen

200 offers available: $24.95–$25000.00
85B490 JENSEN Field Coil Electro Dynamic Coaxial Speaker Jaf

The Jensen 85B490 C4538 15-inch field coil electro dynamic coaxial speaker is a high-performance audio component designed for professional sound applications. This speaker features a 15-inch coaxial driver design, which means that the tweeter and woofer are mounted coaxially in a single housing, providing superior sound imaging and a more natural, balanced sound.

The 85B490 C4538 is a field coil design, which offers several advantages over other types of speakers. Field coil speakers typically have a more responsive and dynamic sound than their permanent magnet counterparts. They also have a lower thermal compression point, which means they can handle higher sound pressure levels without distortion.

The woofer cone is made of pulp and reinforced with aluminum, providing rigidity and durability. The aluminum voice coil former is vented, which helps to dissipate heat and improve power handling. The speaker also features a rubber surround, which provides excellent flexibility and durability.

The tweeter in this design is a 1-inch neodymium dome type, which offers a wide frequency response and excellent dispersion. The neodymium magnet used in the tweeter provides strong magnetic field, ensuring high efficiency and low distortion.

The speaker is designed for use in professional sound applications and features a rugged, heavy-duty frame that can withstand the rigors of live performances. It also has a large, handleable size, making it easy to transport and install.

This Jensen speaker is designed to operate on a 4 impedance and can handle a maximum power of 300 watts. It has a frequency response range of 35 Hz to 18 kHz, making it suitable for a wide range of music genres. The sensitivity of the speaker is 98 dB, which means that it requires less power to produce a given sound level compared to speakers with lower sensitivity.

In summary, the Jensen 85B490 C4538 15-inch field coil electro dynamic coaxial speaker is a high-performance audio component designed for professional sound applications. Its coaxial design offers superior sound imaging and a more natural, balanced sound, while its field coil technology provides a more responsive and dynamic sound. The speaker's rugged, heavy-duty frame and large size make it ideal for use in live performances, and its wide frequency response range and high sensitivity make it suitable for a wide range of music genres.

Jensen 85b490 C4538 15 Field Coil Coaxial Speaker: A Detailed Analysis

The Jensen 85b490 C4538 15 Field Coil Coaxial Speaker is a popular choice among audiophiles and music enthusiasts. This speaker model is known for its classic design and unique sound quality. Let's explore the pros and cons of investing in this speaker system.

Pros:

1. Authentic Sound: Field coil technology used in this speaker provides a more natural and authentic sound compared to conventional speakers that use permanent magnets.

2. High Efficiency: Field coil speakers are more efficient than their permanent magnet counterparts. This means that they can convert electrical energy into sound more effectively, making them ideal for use in vintage audio systems or applications where power consumption is a concern.

3. Detailed Sound Reproduction: The coaxial design of the speaker ensures that the high-frequency and low-frequency drivers are aligned, resulting in more accurate and detailed sound reproduction.

4. Durability: The rugged design of the speaker makes it a durable option. Its field coil technology is less prone to damage from magnetic fields, making it ideal for use in environments where electromagnetic interference is a concern.

5. Retro Aesthetic: The vintage design and appearance of the Jensen 85b490 C4538 15 Field Coil Coaxial Speaker add to its charm and make it a great addition to any vintage audio system or decor.

Cons:

1. Complex Design: Field coil speakers are more complex to manufacture than their permanent magnet counterparts. This complexity can result in higher production costs and longer lead times.

2. Limited Power Handling: Field coil speakers have limited power handling capabilities compared to permanent magnet speakers. This means that they may not be suitable for use in high-power applications.

3. Sensitivity to Handling: Field coil speakers are more sensitive to handling and require more careful installation and setup. They can be damaged if mishandled or installed incorrectly.

4. Limited Availability: Field coil speakers are less common and may be harder to find in the market compared to permanent magnet speakers.

5. Cost: Field coil speakers are generally more expensive than permanent magnet speakers due to their complex design and manufacturing process.

Conclusion:

The Jensen 85b490 C4538 15 Field Coil Coaxial Speaker offers a unique and authentic sound experience that is unmatched by conventional speakers. Its durability, detailed sound reproduction, and retro aesthetic make it an excellent investment for audiophiles and music enthusiasts. However, its complex design, limited availability, and higher cost may be deterrents for some. Ultimately, the decision to invest in this speaker depends on individual preferences and requirements.

Recommendation:

If you are an audiophile or music enthusiast who values authentic sound, durability, and vintage aesthetics, the Jensen 85b490 C4538 15 Field Coil Coaxial Speaker is an excellent investment. However, if you require high power handling capabilities, are on a tight budget, or prefer a more straightforward design, you may want to consider other speaker options.

Details:

There are signs of wear and discoloration throughout due to use aging. One of the speakers has more rust throughout surface than other speaker. Condition issues: there is scratching/scuffing throughout the item. There is ripping/tearing throughout the speakers.

These items are untested. The bolts/hardware that hold in the tweeters are replacements. Both speakers have the markings, 85B490 jaf C4538 2517 the material long the edges of woofer is coming apart and some pieces are already broken off.

There is major dirt/debris throughout the items. The tweeter is approximate 5 - 1/2 inches wide. The woofer measures approximately 15 inches wide. The speakers will need to be reckoned.

Each speaker weighs approximately 19 lbs 14 oz. This item is for parts/repair only. Both the wood er and tweeter on both speakers has damage/staining throughout as shown in photos. There may be other issues throughout.

The speakers may be shipped in individual boxes to ensure safe delivery. There is discoloration/wear throughout.

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rating: 99.8% out of 100 based on 139 user ratings.
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