SHURE TH53 TwinPlex Omnidirectional Headset User Manual

TH53™
TwinPlex Omnidirectional Headset

User guide for the Shure TH53 Omnidirectional TwinPlex Headset.
Version: 4.1 (2024-B)

General Description

The Shure TwinPlex™  omnidirectional headset offers exceptional sound quality and the lightest, most comfortable fit for a vari­ ety of applications. The TwinPlex dual-diaphragm technology yields extraordinary, off-axis response, and low self-noise while delivering life-like, exceptional clarity and robust low frequency response, free of digital interference. The cable itself is ultra quiet and has been tested to be the longest-lasting, most dependable cable in its class. The innovative clutch system quickly allows adjustment of length and pitch of the boom arm for optimal placement and a stable fit while the ultralight frame virtually is weightless for extended comfort and wear.
The TwinPlex series features the most extensive accessories and connector options to date. TwinPlex not only meets premium market-leading expectations, they exceed them.
Features

• Exceptional sound quality from the all new TwinPlex dual-diaphragm element
  Robust low frequency response with flat top end
  Best in class specifications and dynamic range

• Durability beyond the competition
  Exclusive, double helix cable technology with redundant grounding
  Nano-coated, interchangeable frequency caps for reduced sweat out and moisture resistance

• Ultra lightweight, fully adjustable headset frame
  Quickly adjust length and pitch of the boom arm without bending
  Easily switch between left or right positioning
  Comfort earhook sleeves allow for extended wear
  Headset frame can adjust down to the smallest child’s head

• High RF immunity for use with today’s digital wireless systems

• Paintable cables allow for discreet placement in professional theater applications

• Interchangeable frequency response caps offer adjustable flat or presence responses

• Available in a variety of color and connector offerings

Model Variations Key

Note: Not all model variations are available. Refer to www.shure.com/twinplex for the most up to date offerings.

Care and Maintenance

The TwinPlex lavalier dual-diaphragm has a nanocoating which rejects the build-up of grit from sweat and water. It is designed to withstand being blown out with a can of air for quick clean-up.
Adjusting the Headband and Microphone

Reversing the Boom
The microphone boom can be positioned on the left or right side of the head.

1. Unscrew the clutch to loosen the boom arm.
2. Push down and snap out the boom arm.
3. Snap into the other side and tighten in place.

Attaching the Windscreen Using the Collar Clip

Accessories

Replacement Parts

| Description| Black| Tan| Cocoa
---|---|---|---|---
1| Foam Windscreen| RPM40WS/B| RPM40WS/T| RPM40WS/C
2| Frequency Caps, Flat Response| RPM40FC/B| RPM40FC/T| RPM40FC/C
| Frequency Caps, Presence Response| RPM40PC/B| RPM40PC/T| RPM40PC/C
**3| Microphone Boom Arm and Cable Assembly, Lemo Con nector| RPM53B/O- LEMO| RPM53T/O- LEMO| RPM53C/O- LEMO
| Microphone Boom Arm and Cable Assembly, MTQG Con nector| RPM53B/O- MTQG| RPM53T/O- MTQG| RPM53C/O- MTQG
| Microphone Boom Arm and Cable Assembly, No Connec tor| ** RPM53B/O-NC| RPM53T/O-NC| RPM53C/O-NC
| Microphone Boom Arm and Cable Assembly, MicroDot Connector| RPM53B/O- MDOT| RPM53T/O- MDOT| RPM53C/O- MDOT
4| Cable Flex| RPM53B-CF| RPM53T-CF| RPM53C-CF
5| Cable Headset Clip| RPM53B-CC| RPM53T-CC| RPM53C-CC
6| Headset Frame| RPM53B-HF| RPM53T-HF| RPM53C-HF
**7| ** Collar Clip| RPM40STC/B (Black), RPM40STC/W (White)| RPM40STC/T| RPM40STC/C
| Description| Black| Tan| Cocoa
---|---|---|---|---
8| Connector| WA430 (MTQG), WA416 (LEMO)
9| Threaded TA4F/MTQG Collar| WA445
**10| ** XLR Preamplifier| RPM400TQG (TA4F to XLR), RPM400LEMO (LEMO to XLR)
11| Clear Earhook Sleeve| RPM50ES
| Storage Case| RPM50CASE

Threaded Mount Instructions
Wiring and Termination
Typical Wiring Table

**Series| ****Cable Con- struc- tion| ****Electri- cal De- sign| ****Polari ty| Re- place- ment Con- nector| ****For Use With| ****Wiring| ****Line Art (From Solder Side)
---|---|---|---|---|---|---|---
****TH53- MTQG| 1.6mm cable with 2 con­ duc­ tors, 2 shield wires and shield| ** 3-Wire (Source Follow­ er)| Posi­ tive with re­ spect to ground| WA430| All Shure TA4F Body­ packs| Red wire: Bias(2) Blue wire: Audio(3) Shield wire: Ground(1) Shield: Ground (Shell)|

Converting LEMO to TA4F

Series| Cable Con­struc­tion| Electri­ cal Design| Polari­ty| Re­place­ment Con­ector| For Use With| Wiring| Line Art (From Solder Side)
---|---|---|---|---|---|---|---
TH53LEMO| 1.6mm cable with 2 conduc tors, 2 shield wires and shield| 2-Wire (Com­mon Source)| Nega­tive with
re­spect to ground| WA416| Shure Lemo bodypacks (ADX1Lemo, Shure UR1MLemo, ULXD1Lemo), Sennheiser
SK5212,  Lectrosonics
SSM, and others| Red wire: Audio/ Bias(3) Blue wire: Not con­
nected Shield wire: Ground(1)|
TH53NC| 1.6mm cable with 2 con­duc­tors, 2 shield wires and shield| 2-Wire (Com­mon Source)| Negative with
re­spect to ground| LEMO: WA416, Shure
TQG/ TA4F: WA430,
Lec­ troson­ ics TA5F: WA435| Termination Dependent| Red wire: Audio/Bias
Blue wire: Not con­nected Shield wire: Ground Shield: Ground (Shell)|
TH53LEMO| 1.6mm cable with 2 con­ duc­
tors, 2 shield wires and
shield| 2-Wire (Com­mon
Source)| Nega­tive with
re­spect to ground| Shure TQG/ TA4F:
WA430| Termination Dependent| Shield wire: Ground(1)
Red wire: Audio/ Bias(3)Blue wire: Not con­
nected 8.25kΩ Resistor be­
tween pin 2 and 3|
TH53MTQG| 1.6mm cable with 2 con­duc tors, 2 shield wires and shield| 3-Wire (Source
Follow­er)| Posi­tive with
re­spect to ground| WA435| Lectrosonics TA5F body­
packs| Red wire: Bias(3) Blue wire: Audio(5) Shield wire: Ground(1)
Shield: Ground(Shell) Jumper between 2 and 4|
TH53LEMO,  TH53NC| 1.6mm cable with 2 con­duc­
tors, 2 shield wires and
shield| 2-Wire (Com­mon Source)| Nega­tive with
re­spect to ground| WA435| Lectrosonics TA5F body­
packs| Red wire: Audio/ Bias(3) Blue wire: Not con­ nected Shield wire: Ground(1) Shield: Ground(Shell)
Jumper between 2 and|

Hirose Wiring for Sony Bodypacks
Notes:
When using TwinPlex mics with Sony Hirose 4­pin bodypacks, Shure recommends purchasing Shure –MTQG versions  and not –NC versions. This facilitates an easier termination due to the lack of circuitry required in Shure 3­wire/MTQG TA4F products.
Due to the thin cable on TwinPlex and the large boot on Hirose connectors, heat shrink may be required to build up the cable under the boot where the crimp connection is made and where the cable exits the boot The TwinPlex Microdot (-MDOT) version can be used with 4-pin Hirose adapters from DPA (DPA part # DAD6008)

Series| Cable Con­struc­tion| Electri­ cal Design| Polari­ ty| Re­ place­ ment
Con­ nector| For Use With| Wiring| Line Art (From Solder Side)
---|---|---|---|---|---|---|---
TH53LEMO
TH53NC| 1.6mm cable with 2 con­duc­ors, 2 shield wires and shield| 2-Wire (Com­ mon
Source)| Nega­ tive with re­spect to ground| Hirose 4-pinKMC-9BPD-4P| Sony Hirose Bodypacks (WRT)| Red wire: Audio/Bias:
Into resistor and ca­pacitor
1: 8.2k resistor
2: Jumper to 4
3: 1 uF capacitor (-)
4: Ground/shieldjumper
to 2
Split Shield to shell Blue wire: not used|
TH53MTQG| 1.6mm cable with 2 con­duc­ors, 2 shield wires and shield| 3-Wire (Source Follower)| Positive with re­spect
to ground| Hirose 4-pinKMC-9BPD-4P| Sony Hirose Bodypacks
(WRT)| 1: Red wire (Bias)
2: Blue wire (Audio)
3: Jumper to 4
4: Ground/shieldjumper to 3
Split Shield to shell|

MTQG Connector Assembly Note: Make sure to solder the shield to ground collar.

Specifications

• Microphone Capsule
  Dual-Diaphragm, Prepolarized Condenser

• Polar Pattern
  Omnidirectional

• Frequency Response
  20 Hz to 20 kHz

• Sensitivity
  ­45.0 dBV (5.62 mV) at 1 kHz[2]

• Self-Noise, A-Weighted, Equivalent Acoustical
  24.5 dB SPL­A

• Signal-To-Noise Ratio[3] 69.5 dB

• Output Clipping Level
  3.0 dBV,1 kHz at 1% THD, typical

• Maximum SPL[4] 142.0 dB SPL,1 kHz at 1% THD, typical

• Dynamic Range
  117.5 dB typical

• Microphone Current Draw
  120 to 240 µA, typical

• Bias Voltage

• Recommended Operating Voltage
  5 V DC

Housing
Molded ABS Polarity

**MTQG| Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
---|---
****LEMO, NC, MDOT**| Positive pressure on diaphragm produces negative voltage on pin 3 with respect to pin 1.

Cable Diameter 1.6 mm Cable Length

Net Weight

1. All specifications measured with a 48 Vdc phantom power supply. The microphone operates at lower voltages, but with slightly decreased headroom and sensitivity.
2. 1 Pa=94 dB SPL
3. S/N ratio is the difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
4. THD of microphone preamplifier when applied input signal level is equivalent to cartridge output at speci­fied SPL

| A Cable Length| B Cable Diame ter| C Microphone Length| D Microphone Diameter| E Boom Length
---|---|---|---|---|---
TH53-MTQG, TH53- MDOT, TH53-LEMO| 66 in. (1.67M)| 1.6MM| 13.5MM| 5.6MM| 13.6CM
**TH53- NC| 96 in. (2.43M)| ** 1.6MM| 13.5MM| 5.6MM| **** 13.6CM

Frequency Response

Certifications
This product meets the Essential Requirements of all relevant European directives and is eligible for CE marking.
The CE Declaration of Conformity can be obtained from: www.shure.com/europe/compliance
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Jakob-Dieffenbacher-Str. 12
75031 Eppingen, Germany
Phone: +49-7262-92 49 0
Fax: +49-7262-92 49 11 4
Email: info@shure.de

References

• Documentation Finder - Shure Europe
• TwinPlex - Shure USA

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