Features Bi-directional polar pattern delivers premier, completely symmetrical audio with superior off-axis rejection Revolutionary Roswellite proprietary ribbon material replaces traditional foil ribbons with high-tensile strength, toughness, and shape memory that provides superior resilience at extreme SPLs Patented custom ribbon motor assembly tailors bass response without attenuating the overall output for full low and mid ranges, and superior upper range presence from a rising frequency response Double-shielded matched full-sized transformer minimizes signal loss and maximizes output while reducing magnetic and RF interference from 90-degree placement, offset relative to the ribbon 146 dB SPL across 30 -15,000 Hz frequency response ideal for capturing fast transients in vocals, acoustic instruments, and concert halls Description Product Description View larger KSM353 with Flight Case and Shock Mount View larger Shure KSM353/ED Premier Bi-Directional Ribbon Microphone with Roswellite Ribbon Technology Premium bi-directional microphone with revolutionary Roswellite ribbon durability for pristine audio and performance.Description The KSM353 is a premium bidirectional ribbon microphone crafted for pristine audio in studio and concert hall applications. It is hand-assembled in the U. S. A. from state-of-the art transducers, transformers and metals as the pinnacle of Shure quality for prestigious vocal and acoustic performances. Proprietary Roswellite ribbon technology provides revolutionary ribbon resilience and durability under extreme conditions. The Roswellite ribbon material replaces traditional foil ribbons with high tensile strength, toughness, and shape memory that provides superior resilience at extreme sound pressure levels (SPLs). Applications The KSM353 is a premium microphone, capturing superior audio quality in a wide range of environments. The following are some suggested applications: Studio vocals, Orchestra ensembles, Acoustic instruments, Ambient or room pickup, andVoice-over for film or broadcast. Stereo Techniques Blumlein: Use a pair of KSM353 microphones for natural stereo representation. Excellent for grand piano, orchestras, or large ensembles. - Mid-side (M-S): Use a KSM353 with a cardioid microphone, such as the KSM137 or KSM32, to produce a variable-controlled stereo image without moving the microphone. Performance Characteristics Ribbon microphones perform optimally with the least amount of loading on the ribbon element as practical. The higher the impedance input on the microphone, the better the low-end and mid-range frequencies are represented in the output signal. Shure recommends using preamps with impedance settings of 1000 Ohms or more, although different load impedances may be used for a desired sound quality. This is a low-noise microphone. The combination of its efficient transducer, robust shielding, and custom transformer produces a low noise floor and output level equal to moving coil microphones. Shure ribbon microphones have an exceptionally smooth, natural response and perform best with preamps that provide simple, transparent gain. However, Shure encourages experimentation to find the desired combination of color and transparency. Frequency Response and Polar Pattern View larger Positioning Position the front of the microphone towards the desired sound source. Position the sides, the null points of a bidirectional microphone, towards any unwanted sound sources. Features Legendary Shure quality and superior construction from hand-assembly of machined steel, silver, gold and aluminum componentsRevolutionary Roswellite ribbon material replaces traditional foil ribbons with high tensilestrength, toughness and shape-memory that provides superior resilience at extreme SPLsPatented, custom ribbon motor assembly provides full low and mid ranges with superior upper presence from a rising response30 – 15,000 Hz frequency response ideal for capturing fast transients in vocals, acoustic instruments and concert hallsUniform bidirectional polar pattern throughout the frequency rangeCustom-wound, double-shielded, full-size transformer minimizes signal loss and maximizes output while reducing RF interference, positioned perpendicular to ribbon for best magnetic flux rejection Military-grade, wire rope suspension mount surpasses traditional rubber and elastic cord mounts in resilience and shock absorption