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Shure 819 Surface-Mounted Unidirectional Condenser Microphone (A) w/pre amp

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Product Description

Shure 819 Surface-Mounted Unidirectional Condenser Microphone (A)Good Condition. General Scratches,scuffs and wear. (See Pics)Fully tested by our technician works and sounds greatDirect wired Pre-amp and cables shown in pics ( Included)

Shure 819 Surface-Mounted Unidirectional Condenser Microphone (A)

Good Condition. General Scratches,scuffs and wear. (See Pics)

Fully tested by our technician works and sounds great

Direct wired Pre-amp and cable shown in pics ( Included) 

The Model 819 Microphone is designed especially for surface-mounted applications. It is a superior-quality permanently-biased (electret) condenser microphone with a hemi-cardioid directional pattern (cardioid in the hemisphere above the mounting surface).

The 819 is particularly suited for sound-reinforcement and recording of speech, singing, or acoustic instruments— in locations like churches, schools, conference rooms, and theaters. Whenever an inconspicuous high-output, highfidelity unidirectional surface-mounted microphone is desirable, the 819 is a logical choice.

The microphone design relies on the fact that sound pressure doubles at a barrier or boundary compared to its value if the boundary is removed. When placed sufficiently near the boundary surface, a microphone has effectively 6 dB higher sensitivity and approximately 3 dB greater rejection of random background noise.

The 819 is powered either by a single 9-volt alkaline battery (2500 hours continuous battery life) or by an 11 to 52 volt phantom supply from sound-reinforcement or recording equipment. The system is designed so that the Battery supply will automatically switch in should the phantom power fail. The output impedance is 600 ohms, compatible with balanced-line low-impedance microphone inputs.

Because of its half-cardioid (unidirectional) polar pattern, the 819 discriminates against sounds originating from the rear, suiting it for conditions where an omnidirectional pattern makes other surface-mounted microphones impractical. This built-in unidirectionality can be an enormous advantage when it is desirable, for instance, to isolate pickup of a particular vocalist, instrument, or performer from the rest of a group, or to discriminate against audience pickup. Because of the unidirectional polar pattern, no physically isolating barriers are required, and directionality is maintained to low frequencies.

The 819 can be used for individual instrument pickup, e.g., mounted inside the lid of a grand piano or on the floor next to a bass drum. Experimental placement and critical lisThe 819 consists of a small, rugged, surface-mounted microphone finished in durable platinum beige enamel, and a sturdy power supply with battery compartment and two 2-conductor shielded attached cables: one small-diameter 7.6m (25 ft) with 3-socket Tini "Q G" connector to mate with the microphone, and one 3m (10 ft) with 3-pin professional audio connector to mate with a mixer, amplifier, or tape recorder microphone input.

  • Features:
  •       Wide, flat frequency response for accurate sound reproduction across the audio spectrum
  •       Fixed low-frequency rolloff to minimize pickup of room noise from air conditioners, furnace fans, etc.
  •       Half-cardioid polar pattern minimizes pickup from rear of microphone, permits aiming microphone (toward performers and away from audience, or toward singers and away from instruments)
  •       High sensitivity and high signal-to-noise ratio
  •       Battery or phantom powering: uses standard 9-volt battery; accepts wide range of phantom voltages
  •       Low susceptibility to RFI, electrostatic and electromagnetic hum
  •       Extremely rugged construction of microphone and power supply for outstanding reliability
  •  Low profile, platinum beige finished microphone for inconspicuous but handsome appearance onstage, on floor, table, ceiling, wall, or lectern 

Thanks For Looking

Gordon LaSalle Music

875 Merriam Ave

Leominster,Ma 01453


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