L2950

COIL SPEAKER, Rft

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L2950 RFT Field Coil Fullrange Speakers Whizzer

The RFT L2950 field coil full-range speakers are a remarkable addition to any high-fidelity audio system. These speakers feature a classic field coil design, which sets them apart from more common electromagnetic voice coil speakers. Field coil speakers, also known as magnetostatic speakers, utilize a permanent magnet and a wire coil suspended in the air gap between the magnets to create the magnetic field necessary for sound production. This design results in a more detailed and accurate sound reproduction, with a wider frequency response and higher efficiency compared to conventional electromagnetic speakers.

The L2950 model measures 9.5 inches in diameter and includes a whizzer cone, which is a smaller cone mounted at the tweeter level to enhance the clarity of high frequencies. The whizzer cone, which is 240mm in diameter, ensures that high frequencies are produced in a controlled and efficient manner, reducing distortion and enhancing the overall sound quality.

The RFT L2950 speakers utilize a high-quality paper cone, which provides excellent rigidity and damping, ensuring accurate and powerful sound reproduction. The speakers also feature a sophisticated cabinet design to minimize resonance and support the drivers for optimal performance.

The field coil design allows for low impedance, typically around 1-2 Ohms, making the L2950 an ideal choice for tube amplifiers and other high-power amplifiers. These speakers require a careful matching with the amplifier to ensure optimal performance and avoid power handling issues.

The RFT L2950 speakers offer a rich and detailed sound profile. The midrange reproduction is precise and clear, with excellent vocal and instrument reproduction. The high frequencies are crisp and articulate, providing a lifelike and engaging listening experience. The speakers also offer a strong and powerful bass response, making them suitable for a wide range of music genres.

The RFT L2950 field coil full-range speakers are a unique and intriguing choice for those audiophiles seeking a high-fidelity speaker system with a rich and detailed sound profile. The classic field coil design, combined with the inclusion of a whizzer cone, ensures accurate and powerful sound reproduction across the entire frequency spectrum. These speakers are a true work of art that will surely captivate the hearts of any true music lover.

RFT L2950 field coil full-range speakers are a popular choice in the audio community due to their unique design and appealing sound characteristics. Here are some pros and cons to help you make an informed decision on whether these speakers might be the right choice for your audio system:

Pros:

1. Authentic and detailed sound: Field coil speakers like the L2950 are known for their authentic and detailed sound reproduction. The absence of a permanent magnet in the voice coil results in less distortion, enabling the speaker to deliver clearer and more accurate sound.

2. Wide frequency response: Due to their larger size, these speakers can cover a wide frequency range. Their 9.5-inch driver element allows them to reproduce low frequencies effectively, making them suitable for a variety of music genres.

3. Low distortion: The use of a field coil and a voice coil in parallel reduces unwanted distortion, ensuring your audio inputs are reproduced faithfully without adding unnecessary artifacts.

4. Dynamic and responsive: The L2950 speakers' large size and field coil design result in a more dynamic and responsive performance. This means they can effectively deliver ample bass and have excellent mid-range clarity, making them ideal for a wide range of listeners.

5. Vintage appeal: As with many vintage or retro audio components, there's a cultural and aesthetic appeal to field coil speakers. Their unique design and often retro look can add an attractive charm to any hi-fi setup.

Cons:

1. Cost: RFT L2950 field coil full-range speakers are generally more expensive than their neodymiummagnet counterparts. Their distinctive design, custom-wound coils, and vintage appeal contribute to their higher cost.

2. Increased sensitivity to handling: Being mechanical components, field coil speakers are more sensitive to handling and positioning. Misalignment or mishandling can affect their performance, requiring greater care in shipping, installation, and usage.

3. Vintage design limitations: While the vintage look of these speakers may appeal to many audiophiles, their design may lack the modern features and conveniences of newer, more technologically advanced speakers. For example, they don't usually come with features like speaker terminals that are compatible with banana plugs, limiting connectivity options.

4. Inconsistent quality control: Due to their hand-built nature and older production techniques, quality control may not be consistent across all L2950 speakers. This is evidenced by varying levels of sensitivity and frequency response among different units.

Conclusion:

The RFT L2950 field coil full-range speakers represent a unique blend of classic design, authentic and detailed sound reproduction, and vintage appeal that may justify their higher cost and care requirements. If you're an audiophile looking for an engaging, dynamic, and accurate listening experience, these speakers could be an excellent choice. However, be aware that they may come with some limitations in terms of modern convenience, accessible connectivity options, and inconsistent quality control. Moreover, their high cost should be considered carefully before making a purchasing decision.

Details:

These speakers are famed for amazing sound when mated to tube amplifiers particularly class a single ended tried. All the mounting hardware shown are included photos #16, 17, and 18 in sale. The two speakers are well matched cosmetically, electrically, and conically. The speaker baskets are made of soft iron, and the field coil magnets very heavy, so they need to be supported at when mounted in enclosures examples shown last two photos.

These particular pair are the most desirable variant with phenol spiders for tighter sound and whizzer cones high frequency, making these possible to run by themselves as fullrange speakers. For sale are a pair of vintage Rft L2950 gg field coil speakers from pre-unification east Germany. Serial numbers: 3037 and 7088 as shown in the labels photos field coil resistance: 408 ohm 427 see 80-100v voltage needed across field coil voice 3.8 3.7 making these 8 impedance speakers, these speakers measure 240mm 9.5 inches at outermost diameters except mounting hole tabs.

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