Shure TwinPlex TH53 Subminiature Headmic

The TwinPlex™ TH53 offers the natural sound of the TwinPlex element combined with the ease of an ultra-light and fully adjustable headset frame. With an innovative clutch system, the TH53 headset allows for quick adjustment in boom arm length and pitch—all with a simple turn of a knob. Plus, switchable sides and a durable 1.6 mm cable with redundant ground round out this professional headset that overachieves in reliability, audio quality, and comfort.

• Comfortable, lightweight, and fully adjustable headset for use in theater, broadcast, and speech applications
• Innovative clutch system allows for fast boom arm length and pitch adjustment
• Twice the surface area of other subminiature microphones for pristine, natural response and robust low-frequency
  response due to the patent pending dual-diaphragm design
• Improved off-axis consistency yields accurate reproduction regardless of vocal source position or movement
• Best-in-class low self-noise and dynamic range for cleaner audio production
• Interchangeable sweat- and moisture-resistant frequency caps prevents sweat-outs due to an invisible
  syperhydrophobic nanoscopic coating
• Paintable 1.6 mm cable that is immune to memory effect and kinks
• Dual redundant ground in cable serves as secondary shield for longevity
• Sound signature: Natural
• Sensitivity: Low
• Colors: Tan, Cocoa, Black
• Connectors: LEMO, MTQG/TA4F, MicroDot, NC (bare wire

Microphone

Microphone Capsule

• Dual-Diaphragm, Prepolarized Condenser

Polar Pattern

• Omnidirectional

Frequency Response

• 20 Hz – 20 kHz

Sensitivity

• -45.0 dBV (5.62 mV) @ 1 kHz

Acoustic Performance

Self-Noise (A-Weighted Equivalent Acoustical)

• 24.5 dB SPL-A

Signal-to-Noise Ratio

• 69.5 dB

Maximum SPL

• 142 dB SPL
• Measured at 1 kHz, 1% THD (typical)

Dynamic Range

• 117.5 dB (typical)

Output Clipping Level

• 3.0 dBV
• 1 kHz at 1% THD (typical)

Electrical Specifications

Microphone Current Draw

• 120–240 μA (typical)

Recommended Operating Voltage

• 5 VDC

Construction

Housing Material

• Molded ABS

Polarity

LEMO, NC, MDOT

• Positive pressure at diaphragm produces negative voltage with respect to ground

MTQG, XLR

• Positive pressure at diaphragm produces positive voltage with respect to ground

Cable

Cable Diameter

• 1.6 mm

Cable Length

• MTQG, LEMO, MDOT: 66 in (1.67 m)
• NC, XLR: 96 in (2.43 m)

Physical Specifications

Microphone Length

• 19 mm

Microphone Diameter

• 5.6 mm

Weight

Boom Arm with Cable

• 12.0 g (0.42 oz)

Headset Frame

• 6.0 g (0.21 oz)

Total Assembly Weight

• 18.0 g (0.63 oz)

Design Features

Headset Configuration

• Single-ear adjustable headset

Microphone Type

• Subminiature headset microphone

Cable Design

• Low-profile 1.6 mm cable

Capsule Technology

• TwinPlex™ dual-diaphragm architecture