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Description:

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The 16.58" version of U857R, the AT-U857RL-SP cardioid condenser adapter-mount gooseneck microphone features a small-diameter gooseneck with virtually no “memory.” Its ultra-flexible, robust design permits easy adjustment into desired shape while resisting inadvertent repositioning. This cardioid condenser adapter-mount gooseneck microphone direct mounts to any 5/8"-27 stand. Equipped with UniGuard innovations that offer unsurpassed immunity from radio frequency interference, the U857R accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine line cardioid polar patterns. The phantom-powered microphone also offers an 80 Hz low-cut UniSteep filter that reduces pickup of low-frequency ambient noise.

- Designed for high-quality sound reinforcement, professional recording and broadcasting - also plugs directly into microphone jack on comptuers and most small digital recorders
- 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-diameter, alternating gooseneck with virtually no “memory” permits quick positioning into desired shape
- UniSteep filter 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 5/8"-27 stand, or to included threaded mounting flange

SPECIFICATIONS
ELEMENT	Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN	Cardioid
FREQUENCY RESPONSE	30-20,000 Hz
LOW FREQUENCY ROLL-OFF	80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY	–39 dB (11.2 mV) re 1V at 1 Pa
IMPEDANCE	250 ohms
MAXIMUM INPUT SOUND LEVEL	139 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)	115 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO	70 dB, 1 kHz at 1 Pa
"PLUG-IN-POWER" POWER REQUIREMENTS	2-12V DC, 2 mA typical
WEIGHT (MICROPHONE)	4.6 oz (131 g)
DIMENSIONS (MICROPHONE)	16.58" (421.0 mm) long, 0.48" (12.2 mm) head diameter
OUTPUT CONNECTOR (POWER MODULE)	3.5mm (1/8") gols plated miniplug
CABLE	9.8' (3.0 m) long (permanently attached to microphone), 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with 3.5mm (1/8") miniplug
OPTIONAL INTERCHANGEABLE ELEMENTS	UE-H hypercardioid (100°); UE-O omnidirectional (360°); UE-UL UniLine (90°)
ACCESSORIES FURNISHED	AT8663 A-mount flange; AT8664 A-mount cable pass-through adapter; AT8153 two-stage foam windscreen
AUDIO-TECHNICA CASE STYLE	M2

SPECIFICATION GRAPHS
Click on the chart to view the larger image
		POLAR PATTERN
		FREQUENCY RESPONSE