Audio-Technica U857A Manual

Audio-Technica Mikrofon U857A

Læs gratis den danske manual til Audio-Technica U857A (2 sider) i kategorien Mikrofon. Denne vejledning er vurderet som hjælpsom af 38 personer og har en gennemsnitlig bedømmelse på 4.9 stjerner ud af 19.5 anmeldelser. Har du et spørgsmål om Audio-Technica U857A, eller vil du spørge andre brugere om produktet?

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Side 1/2

U857A / U857AL

CARDIOID CONDENSER ADAPTER-MOUNT

GOOSENECK MICROPHONE

- Designed for high-quality sound

reinforcement, professional

recording and broadcasting.

- Superior off-axis rejection for

maximum gain before feedback.

- UniGuard™ RFI-shielding

technology offers outstanding

rejection of radio frequency

interference (RFI).

- Easy-to-adjust, rugged, small-

dimeter, alternating gooseneck with

virtually no “memory” permits quick

positioning into desired shape.

- UniSteep

lter provides a steep

low-frequency attenuation to

improve sound pickup without

affecting voice quality.

- Accepts interchangeable elements

to permit angle of acceptance from

90° to 360°.

- Two-stage foam windscreen yields

dramatically improved resistance to

P-pops and other breath blasts.

- Direct mounts to any "-27 stand, ⅝

or to included threaded mounting

ange.

The U857A stands 305mm from the table or podium, it is also

available in a 421mm version as U857AL. The two models are

identical in all other respects.

The microphone requires 11V to 52V DC phantom power or a

1.5V AA battery for operation. A battery need not be in place for

phantom power operation.

Alkaline batteries are recommended for longest life. Remove

the battery during long-term storage.

Output from the power module's XLRM-type connector is low

impedance (Lo-Z) balanced. The signal appears across Pins

2 and 3; Pin 1 is ground (shield). Output phase is "Pin 2 hot" -

positive acoustic pressure produces positive voltage at Pin 2.

At integral 80 Hz high-pass UniSteep

filter provides easy

switching from a at frequency response to a low-end roll-off.

The roll-off position reduces the microphone's sensitivity to

popping in close vocal use. It also reduces the pickup of low-

frequency ambient noise (such as trafc, air-handling systems,

etc.), room reverberation and mechanically coupled vibrations.

The microphone features a 3m permanently attached miniature

cable. It connects to provided AT8531 power module via

a special TA3F-type connector designed to optimize RFI

immunity.

Avoid leaving the microphone in the open sun or in areas where

temperatures exceed 43°C for extended periods. Extremely

high humidity should also be avoided.

SPECIFICATIONS

ELEMENT

POLAR PATTERN

FREQUENCY RESPONSE

LOW FREQUENCY ROLL-OFF

OPEN CIRCUIT SENSITIVITY

(Phantom / Battery)

IMPEDANCE (Phantom / Battery)

MAXIMUM INPUT SOUND LEVEL

(Phantom / Battery)

DYNAMIC RANGE (TYPICAL)

SIGNAL-TO-NOISE RATIO

PHANTOM POWER REQUIREMENTS

BATTERY TYPE

BATTERY CURRENT / LIFE

SWITCH

WEIGHT U857A

U857AL

POWER MODULE

DIMENSIONS U857A

U857AL

BOTH

POWER MODULE

OUTPUT CONNECTOR

CABLE

OPTIONAL INTERCHANGEABLE

ELEMENTS

ACCESSORIES FURNISHED

Fixed-charge back plate

permanently polarized condenser

Cardioid

30-20,000 Hz

80 Hz, 18 dB/octave

-42 dB (7.9 mV) re 1V at 1 Pa

-43 dB (7.0 mV) re 1V at 1 Pa

200 ohms / 270 ohms

133 dB / 123 dB SPL,

1 kHz at 1% T.H.D.

109 dB / 99 dB, 1 kHz at Max SPL

70 dB, 1 kHz at 1 Pa

11-52V DC, 2 mA typical

1.5V AA/UM3

0.4 mA / 1200 hrs typical (alkaline)

Off, on-at, on-roll-off

124 g

131 g

139 g

305 mm - long

421 mm - long,

12.2 mm - head diameter

84 mm(H) x 63 mm(W) x 22 mm (D)

Integral 3-pin XLRM-type

3m long, 3.2mm diameter,

2-conductor shielded cable with

TA3F-type connector

UE-C cardioid (120°)

UE-H hypercardioid (100°)

UE-O omnidirectional (360°)

UE-UL UniLine™ (90°)

AT8531 power module;

AT8153 two-stage foam windscreen

Cable; Battery

10 dB

20k10k5k2k1k50020010050

8 kHz

200 Hz

1 kHz

5 kHz

0°

330°

300°

270°

240°

210°

180°

150°

120°

90°

60°

30°

Optional Accessories:

AT8601 Desk stand.

AT8614 Desk stand with thru-hole.

AT8506 four-channel 48V phantom power

supply (AC powered).

AT8801/EU single-channel 48V phantom

power supply (AC powered).

Polar Pattern

Frequency Response

SCALE IS 5 DECIBELS PER DIVISION

LEGEND

Frequency in Hertz

LEGEND

12” or more on axis

Roll-off

Response in dB

FORM No. ATGC-L0003-05-E

Machida • Tokyo • Japan

Produkt Specifikationer

Mærke:	Audio-Technica
Kategori:	Mikrofon
Model:	U857A

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