Shure MD (800–820 MHz) User Guide

UHF Wireless System

USER GUIDE SUPPLEMENT

MD (800±820 MHz)

CONTENTS

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 FURNISHED ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 OPTIONAL ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

UHF WIRELESS SYSTEM COMPATIBILITY GUIDE . . . . . . . . . . . . . . . . 7

MASTER LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2001, Shure Incorporated

Printed in U.S.A.

27B8667 (AA)

SPECIFICATIONS

RF Carrier Frequency Range

800±820 MHz

Working Range

U1, U2: 152.4 m, minimum, under typical conditions; 487.6 m line of sight U1H: 275 m, minimum, under typical conditions; 975 m line of sight NOTE: Actual working range depends on RF signal absorption, reflection and

interference

Audio Frequency Response

50 to 15,000 Hz, ±2 dB. NOTE: Overall system frequency response depends on the microphone element

Gain Adjustment Range

U1, U1H: 0 to 40 dB U2: 0 to 26 dB

Modulation

±45 kHz deviation compressor-expander system with pre-and de-emphasis

RF Power Output

U1, U2: 10 mW maximum U1H: 50 mW maximum

Dynamic Range

>102 dB, A-weighted

RF Sensitivity

U4S		U4D
±110 dBm		±107 dBm
12 dB SINAD		12 dB SINAD
±105 dBm		±102 dBm
30 dB SINAD		30 dB SINAD
Image Rejection
90 dB typical

Spurious Rejection

75 dB typical

Ultimate Quieting (ref. 45 kHz deviation)

>100 dB, A-weighted

Audio Polarity

Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 with respect to pin 3 of low impedance output and the tip of the high impedance 1/4-inch output

System Distortion (ref. ±45 kHz deviation, 1 kHz modulation)

0.3% Total Harmonic Distortion typical

Power Requirements

U1, U1H, U2: 1.5V AA alkaline battery (Duracell MN1500 recommended); Nicad optional

U4: 90 to 230 Vac , 50/60 Hz

Power Consumption:

U4S: 9.6 W min., 13.2 W max.

U4D: 12 W min.,16 W max.

UA840: 15 W min., 16 W max.

Battery Life (Typical)

U1, U2: 12 hours (with Duracell MN1500 1.5V AA alkaline battery) U1H: 6 hours (with Duracell MN1500 1.5V AA alkaline battery)

2

Operating Temperature Range

-20° to 50° C NOTE: Battery characteristics may limit this range

Overall Dimensions

U1: 92.2 mm L x 64.7 mm W x 24.2 mm D U2/58:254 mm L x 50.8 mm Dia. U2/BETA 58: 254 mm L x 53.2 mm Dia. U2/87:228.6 mm x 49.2 mm Dia. U2/BETA 87: 216 mm L x 50.8 mm Dia

U4S/U4D: 44.5 mm H x 482.6 mm W x 295.3 mm D

Net Weight

U1, U1H: 175.2 g without battery

U2/58, U2/BETA 58: 375.6 g without battery U2/87, U2/BETA 87: 303.1 g without battery U4S: 3.30 kg

U4D: 3.85 kg

Certification

U1*, U2: BAPT Type Approved to FTZ 17TR 2019 and BAPT 122 R1; EMC Approved to ETS 300 445.

U4S, U4D: VDE Certified to EN 60 950. BAPT Type Approved to FTZ 17TR 2019 and BAPT 122 R1; EMC Approved to ETS 300 445. Meets Low Voltage Directive.

UHF Type Approved and EMC Approved systems are eligible to carry the CE marking.

*The U1H transmitter does not carry the same approvals as the U1 transmitter.

U1, U1H Transmitter Input

	Connector:	Switchcraft TA4F Tini Q-G or
		LEMO connector (optional)
	Input Configuration:	Unbalanced, active
	Actual Impedance:	18 kΩ with lavalier microphone
		1 MΩ with instrument cable
	Maximum Input Level:	6 Vp±p (+7 dBV) for 1% THD at minimum gain
		setting using 1 kHz signal.
		Pin 1: Tied to Ground
	TA4F Tini Q.G. Connector Pin	Pin 2: Tied to +5 V
		Pin 3: Tied to Audio
	Assignments:
		Pin 4: Tied thru 20kΩ Resistor to Ground.
		(On instrument adapter cable, Pin 4 floats)
		Pin 1: Tied to Pin 3 and 10 kΩ to Ground
	LEMO Connector	Pin 2: +5V
	Pin Assignments:	Pin 3: Tied to Pin 1
		Pin 4: Tied to Shield (Ground for Positive Bias)
	Voltage for Remote Power:	+5 V supplied to microphone cartridge

U1, U1H Transmitter Output (Figure 1)

Connector:	SMC
Actual Impedance:	50 Ω
Nominal Output Level:	+10 dBm (+17 dBm for U1H)
Maximum Output Level:	+11 dBm (+18 dBm for U1H)
Pin Assignments:	Shell = Ground
	Center = Signal

3

MICROPHONE		U1/U1H MIC JACK BOARD
ELEMENT
		500 Ω
2
	2	+5 V
		27 pF
4	4
		20K Ω
3	3	500 Ω
		AUDIO
		27 pF
1	1	GROUND

NOTE: LAVALIER MIC TIES PINS 3 AND 4

TOGETHER; GUITAR CABLE DOES NOT.

U1L (LEMO 4 PIN) MIC JACK BOARD

499 Ω	AUDIO
1
	27 pF
499 Ω	BIAS
2
10K Ω	27 pF
3
4	SHIELD

	FIGURE 1
U2 Transmitter Input
Input Configuration:	Unbalanced, active
Actual Impedance:	20 kΩ
Maximum Input Level:	3 Vp±p (0.5 dBV) for 1% THD at minimum gain setting
	using 1 kHz signal.
U2 Transmitter Output
Connector:	SMC
Actual Impedance:	50 Ω
Nominal Output Level:	+10 dBm
Maximum Output Level:	+11 dBm
Pin Assignments:	Shell = Ground
	Center = Signal

4

U4S and U4D Receiver Input

Connector:	Antenna	Power Input	Network Interface
Connector Type:	BNC	IEC	25±Pin D
Actual Impedance:	50 Ω	±±	±±
Nominal Input	±95 to ±30 dBm	90±230 VAC,	CMOS Logic
Level:		50/60 Hz
Maximum Input	+6 dBm	230 VAC, 50/60 Hz	±±
Level:	(±20 dBm
	recommended)
Pin Assignments:	Shell = Ground	IEC Standard	±±
	Center = Signal
Voltage for	12 Vdc, 150 mA	±±	5V, 700 mA max.
Remote Power:	maximum

U4S and U4D Receiver Output

Connector:	Monitor	Power	High Z	Low Z	Network
		Output	Audio	Audio*	Interface
Output	Unbalanced	±±	Un-	Balanced	See
Configuration:	mono, 1/4 inch		balanced		Appendix
Actual	300 Ω	±±	1 kΩ	30 Ω	See
Impedance:					Appendix
Nominal	±±	90 to 230	±±	±±	CMOS
Input Level:		VAC, 5A			Logic
Pin	Tip = Hot	IEC	Tip = Hot	1 = Ground	See
Assignments:	Ring = Hot	Standard	Ring/	2 = Hot	Appendix
	Sleeve = Gnd		Sleeve =	3 = Hot
			Gnd
Voltage/	Yes	±±	Yes	Yes	5V, 700 mA
Current/					resettable
Phantom					polyfuse
Power
Protection?

*Output Level: Microphone Level = Line Level ± 30 dB

FURNISHED ACCESSORIES

Microphone Stand Adapter (U2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WA370A Zipper Bag (U1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26A13 Zipper Bag (U2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26A14 Screwdriver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80A498 Coaxial Antenna Cable (2 ft) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UA802 1/2 Wave Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UA820A Transmitter Carrying Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65A8257 Carrying Case Insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29B1577

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OPTIONAL ACCESSORIES

Instrument Adapter Cable (U1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WA302 Switchcraft TA4F Female 4±Pin Connector (U1) . . . . . . . . . . . . . . . . . . . . . . . . WA330 In-Line Audio Switch (U1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WA360 1.8 Meter (6 ft) Receiver-Mixer Cable (1/4º phone to XLR) . . . . . . . . . . . . . . . . WA410 7.6 Meter (25 ft) Antenna Extension Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . UA825 15.2 (50 ft) Meter Antenna Extension Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . UA850 In±Line Active Remote Antenna Kit (800 ± 830 MHz) . . . . . . . . . . . . . . . . . . UA830C Antenna/Power Distribution System, 230 Vac . . . . . . . . . . . . . . . . . . . . . . . UA845MB Directional Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UA870MB

REPLACEMENT PARTS

Hardware Kit (screwdriver, mounting feet, cable clamps) . . . . . . . . . . . . .	90VL1371
Bulkhead Adapters for Front±Mounting Antennas . . . . . . . . . . . . . . . . . . .	. 95A8647
230 VAC Power Cord (Schuko mains connector) . . . . . . . . . . . . . . . . . . . . .	95A8247
304 mm (12 in.) Daisy±Chain Power Cord (230 V) . . . . . . . . . . . . . . . . . . . .	95A8678
SM58 Cartridge with Grille (U2/58) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . R158
BETA 58A Cartridge with Grille (U2/BETA 58) . . . . . . . . . . . . . . . . . . . . . . . .	. . . R179
SM87 Cartridge with Grille (U2/87) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . R165
BETA 87 Cartridge with Grille (U2/BETA 87) . . . . . . . . . . . . . . . . . . . . . . . . .	. . . R166
Matte Silver Grille (U2/58) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. RK143G
Matte Silver Grille (U2/BETA 58) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	RK265G
Matte Silver Grille (U2/BETA 87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	RK313G
Black Grille (U2/87) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. RK214G
Black Grille (U2/BETA 58) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. RK323G
Black Grille (U2/BETA 87) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. RK324G
Belt Clip (U1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	53A8247A
Antenna (U1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	95A8646
Antenna (U2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	95A2029

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