Shure UHF MD, UHF Wireless System User Manual Supplement

CONTENTS

SPECIFICATIONS 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FURNISHED ACCESSORIES 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPTIONAL ACCESSORIES 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

REPLACEMENT PARTS 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

UHF Wireless System

USER GUIDE SUPPLEMENT

MD (800–820 MHz)

27B8667 (AA)

2001, Shure Incorporated

Printed in U.S.A.

2

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, r eflection 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

–107 dBm

12 dB SINAD

–105 dBm

30 dB SINAD

–102 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

1

/4-inch output

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

0.3% Total Harmonic Distortion typical

Power Requirements

U1, U1H, U2: 1.5V A A alkaline battery ( Dur acell MN1500 recommended) ; Ni cad

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)

3

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.

TA4F Tini Q.G. Connector Pin

Assignments:

Pin 1: Tied to Ground

Pin 2: Tied to +5 V

Pin 3: Tied to Audio

Pin 4: Tied thru 20kΩ Resistor to Ground.

(On instrument adapter cable, Pin 4 floats)

LEMO Connector

Pin Assignments:

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

Pin 2: +5V

Pin 3: Tied to Pin 1

Pin 4: Tied to Shield (Ground for Posit ive Bias)

Voltage for Re mote 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

4

27 pF

20K Ω

27 pF

+5 V

AUDIO

GROUND

U1/U1H MIC JACK BOARD

2

1

4

500 Ω

500 Ω

MICROPHONE

ELEMENT

3

2

1

3

4

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

27 pF

499 Ω

499 Ω

3

27 pF

10K Ω

AUDIO

SHIELD

U1L (LEMO 4 PIN) MIC JACK BOARD

1

4

2

BIAS

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

5

U4S and U4D Receiver Input

Connector: Antenna Power Input Network Interface

Connector Type: BNC IEC 25–Pin D

Actual Impedance: 50 Ω –– ––

Nominal Input

Level:

–95 to –30 dBm 90–230 VAC,

50/60 Hz

CMOS Logic

Maximum Input

Level:

+6 dBm

(–20 dBm

recommended)

230 VAC, 50/60 Hz ––

Pin Assignments: Shell = Ground

Center = Signal

IEC Standard ––

Voltage for

Remote Power:

12 Vdc, 150 mA

maximum

–– 5V, 700 mA max.

U4S and U4D Receiver Output

Connector: Monitor Power

Output

High Z

Audio

Low Z

Audio*

Network

Interface

Output

Configuration:

Unbalanced

mono, 1/4 inch

–– Un-

balanced

Balanced See

Appendix

Actual

Impedance:

300 Ω –– 1 kΩ 30 Ω See

Appendix

Nominal

Input Level:

–– 90 to 230

VAC, 5A

–– –– CMOS

Logic

Pin

Assignments:

Tip = Hot

Ring = Hot

Sleeve = Gnd

IEC

Standard

Tip = Hot

Ring/

Sleeve =

Gnd

1 = Ground

2 = Hot
3 = Hot

See

Appendix

Voltage/
Current/

Phantom

Power

Protection?

Yes –– Yes Yes 5V, 700 mA

resettable

polyfuse

*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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

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