ATF (ADVANCED THIN FILM)

ATF Operation

The MartinLogan ATF transducer (based on RADIA planar technology) consists of a micro-thin, low-mass Kaladex diaphragm with an ultra-light, etched conductive aluminum surface suspended between two high field strength neodymium super magnet arrays (see figure 27). When an electrical current (music signal) passes through the etched aluminum on the diaphragm's surface it is simultaneously pulled towards one of the neodymium arrays and pushed away from the opposing array. When the direction of current is reversed the diaphragm is simultaneously pushed and pulled in the opposite direction, thus producing sound.

Extremely Low-Mass Diaphragm

—Blazing Speed and Inner Detail

Low-mass diaphragms are crucial to a loudspeakers ability to accurately reproduce sound. As the mass of a transducer's diaphragm decreases, its ability to resolve detail increases. With extremely low-mass characteristics, the ATF transducer tracks the audio signal with almost perfect accuracy.

MartinLogan ATF diaphragms are constructed of extremely low mass Dupont Kaladex® PEN (polyethylene naphthalate) —a material chemically similar to the low-mass PET (polyethylene terathylate) film used in MartinLogan's generation 2 electrostatic transducers, yet capable of handling the high thermal requirements required for stable magnetic thin film operation.

High Field Strength—Superb Control and Efficiency With a field strength almost 2000% more powerful than traditional systems, Neodymium iron boron (NIB) rare- earth super magnets are one of the world's strongest commercially available magnetic materials. This incredible field strength proves ideal for maintaining perfect control over the low-mass Kaladex diaphragm. Super-low distortion levels, high-resolution, and crystal- clear transparency are just a few of the benefits resulting from this superb combination of low-mass diaphragm and high field strength.

Push-Pull Operation = Ideal Linearity

Linearity is another factor contributing to a loudspeaker's ability to achieve ultimate clarity, detail and resolution. By positioning neodymium magnet arrays in a push- pull configuration, MartinLogan ATF transducer technology maintains uniform diaphragm control, regardless of position as it traverses the entire audio signal. The push- pull concept is a major contributor to the linearity and sonic superiority of ATF transducers.

Direct Full-Surface Drive

Provides Outstanding Clarity

Unlike traditional voice coil driven systems, ATF diaphragms are directly and uniformly driven throughout their entire surface. This full-surface drive system results in ultra-fast transient response with no cone break up and the ability to accurately reproduce sound with great delicacy, nuance and clarity.

Figure 27. Cut away view of an ATF transducer. Note the simplicity due to minimal parts usage.

14 ATF (Advanced Thin Film)

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Fresco Speaker user manual ATF Advanced Thin Film
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Speaker specifications

The Fresco Speaker is a remarkable innovation in the world of audio technology, designed to deliver a premium listening experience while integrating seamlessly into any lifestyle. This well-crafted speaker combines advanced features, a sleek aesthetic, and cutting-edge technology to stand out in a crowded market.

One of the main characteristics of the Fresco Speaker is its immersive sound quality. It employs a unique multi-driver configuration that ensures a balanced audio output across all frequencies. With dedicated woofers, mid-range drivers, and tweeters, listening to music, podcasts, or watching movies transforms into a captivating experience. The speaker also supports high-resolution audio formats, allowing audiophiles to enjoy their favorite tracks in the best possible quality.

The Fresco Speaker utilizes Bluetooth 5.0 technology for wireless connectivity, making it easy to stream music from smartphones, tablets, or laptops. The extended range ensures a stable connection, while low latency enhances synchronization with video content. Moreover, the speaker supports multiple pairing options, allowing users to connect two or more Fresco Speakers for a richer soundstage in larger spaces.

Another standout feature of the Fresco Speaker is its integrated voice assistant compatibility. Users can easily control the speaker with voice commands, whether it's adjusting the volume, changing tracks, or accessing information. This hands-free operation is particularly convenient for multitasking or when the phone is out of reach.

Battery life is another area where the Fresco Speaker excels. With an impressive playtime of up to 20 hours on a single charge, it caters to both indoor listening and outdoor adventures. Its robust build ensures it can withstand various environments without compromising on performance.

Aesthetically, the Fresco Speaker is designed with style in mind. Its modern design incorporates premium materials, providing an elegant touch that complements any decor. Available in multiple colors, users can choose a variant that suits their personal style.

In conclusion, the Fresco Speaker combines high-quality audio performance with advanced technologies and stylish design. With its multi-driver configuration, Bluetooth 5.0 connectivity, voice assistant compatibility, and exceptional battery life, it delivers an unparalleled audio experience that both casual listeners and serious audiophiles will appreciate. Whether at home, in the office, or on the go, the Fresco Speaker is a versatile and sophisticated choice for all music lovers.
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