Shure 503BG Bruksanvisning

Shure mikrofon 503BG

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General Description

Developed for computer voice recognition applications, the 503BG microphone

offers excellent voice fidelity while reducing background noise. Also use the

503BG in other close-talking applications such as paging and talkback.

The 503BG features a low-impedance, moving coil type transducer with an

integral humbucking coil and an attached two-conductor shielded cable with

a built-in strain relief. It produces a frequency response with an essentially

constant output voltage over the voice spectrum when used close to the

sound source.

The 503BG's case is aluminum with a black enamel finish. It mounts to a

gooseneck, a fixed pipe or a microphone stand using a standard 5/8"-27

thread. To secure the mounted BG503, tighten the 4-40 screw with the sup-

plied #4 Allen (hex-head) wrench.

Features

• Optimized performance in voice processing and computer voice recogni-

tion applications.

• Smooth frequency response with excellent fidelity in the voice range.

• Cardioid pickup pattern and close-talking operation keep unwanted signals

and background noise at low levels.

• Constant output over voice spectrum when close-talked.

• Humbucking coil minimizes undesirable hum effects such as CRT inter-

ference.

• Low-impedance design permits long cable runs in extreme hum fields.

• Small unobtrusive design does not interfere with CRT visibility.

• Rugged and reliable for years of consistent operation.

Operation

For best performance, speak as close to the 503BG as comfort permits. A

distance of 1 to 5 cm (0.4 to 2 inches) provides the greatest discriminations

between voice and background noise.

Acoustic Considerations

The 503BG maximizes performance in close-talking applications through its

tailored frequency response, directionality and distance discrimination. It

optimizes and controls sounds within the 100 to 7000 Hz frequency range

and reduces sounds outside that range. The BG503 rejects noise through

its inherent directional properties and discriminates against distant sounds

in favor of close-range sounds.

Specifications

Type

Dynamic (moving coil), Unidirectional (Cardioid)

Frequency Response

100 to 7,000 Hz

Impedance

170 Ω actual

Output Clipping Level

open circuit voltage

-61.5 dBV/Pa (.84 mV) [1]

Polarity

Positive pressure on diaphragm produces positive voltage on white conductor with respect to black conductor

Hum Pickup

Maximum 15 dB equivalent SPL in m0e field

Model 503BG

Vocal Microphone

Produktspecifikationer

Varumärke:	Shure
Kategori:	mikrofon
Modell:	503BG
Mikrofonfrekvens:	100 - 7000 hz
Kabellängd:	1.2 m
Produktens färg:	Svart
Mikrofonvikt:	128 g
Material, hölje:	Aluminium, Stainless steel
Anslutningsteknologi:	Kabel
Mikrofon ingångsimpedans:	170 Ω