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
27B8667 (AA)

Printed in U.S.A.

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

12 dB SINAD

–105 dBm

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

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)

–107 dBm

12 dB SINAD

–102 dBm

30 dB SINAD

1

/4-inch output

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:

Input Configuration:

Actual Impedance:

Maximum Input Level:

6 Vp–p (+7 dBV) for 1% THD at minimum gain

Switchcraft TA4F Tini Q-G or

LEMO connector (optional)

Unbalanced, active

18 kΩ with lavalier microphone

1 MΩ with instrument cable

setting using 1 kHz signal.

Pin 1: Tied to Ground

TA4F Tini Q.G. Connector Pin

Assignments:

Pin 4: Tied thru 20kΩ Resistor to Ground.

Pin 2: Tied to +5 V

Pin 3: Tied to Audio

(On instrument adapter cable, Pin 4 floats)

Pin 1: Tied to Pin 3 and 10 kΩ to Ground

LEMO Connector

Pin Assignments:

Pin 2: +5V

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:

Actual Impedance:

Nominal Output Level:

Maximum Output Level:

Pin Assignments:

+10 dBm (+17 dBm for U1H)
+1 1 dBm (+18 dBm for U1H)

3

SMC
50 Ω

Shell = Ground

Center = Signal

MICROPHONE

ELEMENT

NOTE: LAVALIER MIC TIES PINS 3 AND 4
TOGETHER; GUITAR CABLE DOES NOT.

U1/U1H MIC JACK BOARD

2

2

4

4

500 Ω

3

3

1

U1L (LEMO 4 PIN) MIC JACK BOARD

1

500 Ω

27 pF

20K Ω

27 pF

+5 V

AUDIO

GROUND

1

2

10K Ω

3

4

499 Ω

499 Ω

AUDIO

27 pF

BIAS

27 pF

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:

Actual Impedance:

Nominal Output Level:

Maximum Output Level:

Pin Assignments:

SMC

50 Ω
+10 dBm
+11 dBm

Shell = Ground
Center = Signal

4

U4S and U4D Receiver Input

Connector: Antenna Power Input Network Interface

Connector T ype: BNC IEC 25–Pin D

Actual Impedance: 50 Ω –– ––

Nominal Input

Level:

Maximum Input

Level:

–95 to –30 dBm 90–230 V AC,

50/60 Hz

+6 dBm

230 VAC, 50/60 Hz ––

(–20 dBm

CMOS Logic

recommended)

Pin Assignments: Shell = Ground

IEC Standard ––

Center = Signal

Voltage for

Remote Power:

12 Vdc, 150 mA

maximum

–– 5V, 700 mA max.

U4S and U4D Receiver Output

Connector: Monitor Power

Output

Configuration:

Actual

Impedance:

Nominal

Input Level:

Pin

Assignments:

Unbalanced

mono, 1/4 inch

300 Ω –– 1 kΩ 30 Ω See

–– 90 to 230

Tip = Hot

Ring = Hot

Output

–– Un-

VAC, 5A

IEC

Standard

Sleeve = Gnd

Voltage/
Current/

Phantom

Power

Protection?

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

Yes –– Yes Yes 5V, 700 mA

High Z

Audio

Low Z

Audio*

Balanced See

balanced

–– –– CMOS

Tip = Hot

Ring/

Sleeve =

1 = Ground

2 = Hot
3 = Hot

Gnd

Network

Interface

Appendix

Appendix

Appendix

resettable

polyfuse

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Logic

See

5

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 (1/4” 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6