Audio Technica AT831R Cardioid Condenser Lavalier Microphone

Kreutzer 9 for violinist.com

Here is a look at how the left hand works for this etude. I hope it clarifies a few things visually. Thanks to all of you for starting the discussion on violinist.com!

---

---

This clip-on lavalier mic provides crisp, full-sounding voice pickup. The AT831R also excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 guitar adapter. The mic is ideal for higher SPL applications. Excellent gain before feedback and suppression of background noise. Operates on phantom power only.

• Clip-on lavalier mic also excels in acoustic guitar applications

• Provides crisp, full-sounding voice and instrument pickup

• Excellent gain before feedback and suppression of background noise

• Operates on phantom power only

• 4.0 m (13.1′) cable permanently attached to mic, TA3F connector at power module

• RoHS compliant—free from all substances specified in the EU directive on hazardous substances

---

ELEMENT	Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN	Cardioid
FREQUENCY RESPONSE	40-16,000 Hz
LOW FREQUENCY ROLL-OFF	80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY	-42 dB (7.9 mV) re 1V at 1 Pa
IMPEDANCE	250 ohms
MAXIMUM INPUT SOUND LEVEL	141 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)	112 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO	65 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS	11-52V DC, 2 mA typical
SWITCH	Flat, roll-off
WEIGHT (MICROPHONE)	0.1 oz (2.8 g)
WEIGHT (POWER MODULE)	2.9 oz (81 g)
DIMENSIONS (MICROPHONE)	0.98″ (25.0 mm) long, 0.40″ (10.2 mm) diameter
DIMENSIONS (POWER MODULE)	3.66″ (92.9 mm) long, 0.74″ (18.9 mm) diameter
OUTPUT CONNECTOR (POWER MODULE)	Integral 3-pin XLRM-type
CABLE	4.0 m (13.1′) long (permanently attached to microphone), 3.2 mm (0.13″) diameter, 2-conductor, shielded cable with TA3F-type connector
ACCESSORIES FURNISHED	Clothing clip; AT8444 guitar adapter; AT8538 remote power module; AT8116 windscreen; protective carrying case
AUDIO-TECHNICA CASE STYLE	M1

POLAR PATTERN

Frequency Response