S-40

Compact Monitor

Description

The Electro-Voice S-40 is an extremely com- pact high- performance monitor loudspeaker system. It is ideally suited for indoor or out- door applications requiring high-quality sound reproduction. As a near-field moni- tor in control rooms or broadcast studios, or as a foreground or background loudspeaker in restaurants and clubs, the S-40 is the choice of professional users. Its high power handling also makes the S-40 an ideal loud- speaker for nearfield monitoring in live per- formance situations. Threaded inserts in the cabinet in combination with the optional mounting hardware provide a flexible mounting system for virtually any applica- tion.

The low-frequency section is a 5-1/4" di- rect-radiating woofer with a polypropylene cone installed in an optimally vented high- impact polystyrene enclosure. This combi- nation produces an exceptionally extended bass response with relatively high efficiency for an extremely small enclosure. The use of plastic materials for the enclosure and cone allow the loudspeaker system to be used in high-humidity environments.

The high-frequency section is a 1-in. direct-

radiating soft dome tweeter. The tweeter is ferro-fluid cooled and uses flexible tinsel lead wires to prevent thermal or mechanical failure. These features in addition to the large magnetic system make this the most rugged tweeter ever used in a system this size.

These high quality components will provide years of listening pleasure when driven at reasonable levels. However, sometimes loudspeakers are accidently over-driven, causing the drive units to fail. To prevent against this, EV engineers have incorporated independent woofer and tweeter protection circuits in the S-40. These circuits will au- tomatically reduce the power being delivered to the drivers if their threshold is exceeded, greatly reducing the possibility of driver fail- ure.

Both drivers feature low-flux-leakage de- signs enabling the speaker to be used in close proximity to video monitors. For very criti- cal video monitoring applications, a mini- mum distance of four inches from the edge of the loudspeaker to the edge of the CRT is recommended.

Frequency Response

The combination of 5-1/4" woofer, 1-inch tweeter and optimized crossover result in the

wide and smooth frequency response shown in Figure 1. This response was measured at 1 meter, using a 2 Volt (1 watt) input in an anechoic chamber. The response is 1/3-oc- tave averaged and no external equalization was used.

Directivity

The polar response of the S-40 speaker sys- tem at selected 1/3-octave bandwidths is shown in Figure 4. These polar responses were measured in an anechoic environment at 10 feet using 1/3-octave pink noise inputs. The frequencies selected are fully represen- tative of the polar response of the system. Beamwidth of the system utilizing the com- plete 1/3-octave polar data is shown in Fig- ure 2. Rq (Q) and directivity index (Di) are plotted in Figure 3.

Power Handling Capacity

To our knowledge, Electro-Voice was the first U.S. manufacturer to develop and pub- lish a power test closely related to real-life conditions. First, we use a random noise input signal because it contains many fre- quencies simultaneously, just like real voice or instrument program. Second, our signal contains more energy at extremely high and

Page 2
Page 1
Image 1
Electro-Voice S-40 manual Description, Frequency Response, Directivity, Power Handling Capacity
Page 2

S-40 specifications

The Electro-Voice S-40 is a highly regarded loudspeaker designed to deliver exceptional audio performance in various applications, from home audio systems to professional event setups. Known for its robust build quality and versatile features, the S-40 offers a premium listening experience characterized by clarity, depth, and power.

One of the standout features of the S-40 is its impressive audio fidelity. The speaker is designed with high-efficiency components that ensure accurate sound reproduction across a wide frequency range. Whether you're listening to music, watching movies, or engaging in a live performance, the S-40 delivers crisp highs, detailed midrange, and deep bass. This balance allows listeners to experience a full spectrum of sound, making every note and sound effect more immersive.

The S-40 is equipped with high-quality transducers that play a crucial role in its sound quality. The proprietary woofers provide powerful low-frequency response, while the tweeters handle the high frequencies with precision. This combination minimizes distortion and enhances overall sound clarity, allowing users to enjoy their favorite audio content without compromise.

In terms of technology, the Electro-Voice S-40 incorporates advanced acoustic engineering. The cabinet is designed to minimize resonance and vibrations, which can interfere with sound quality. Its construction utilizes high-density materials and strategic bracing to ensure durability and longevity while also enhancing audio performance. Additionally, the speaker's sleek design makes it an attractive addition to any space, blending seamlessly with various interior styles.

The S-40 offers flexible connectivity options, making it easy to integrate into existing audio setups. Whether you're connecting through traditional speaker wire or utilizing modern interfaces, the S-40 accommodates different configurations, thus catering to a wide range of users.

Moreover, the Electro-Voice S-40 is built with reliability in mind. Its rugged design can withstand the rigors of travel and installation in professional environments, ensuring that it remains functional even under demanding conditions.

In conclusion, the Electro-Voice S-40 is a versatile loudspeaker that excels in audio quality, durability, and design. Its advanced features and technologies make it a strong candidate for anyone seeking a professional-level sound experience, whether in casual listening or critical audio applications. With the S-40, users can expect unparalleled performance and impressive sound quality, making it an excellent investment for audio enthusiasts and professionals alike.
Top Page Image Contents