Shure AMS28 Manuel D’Utilisation

3

(All measurements taken at Direct Output of AMS mixer)

Condenser (electret bias)

AMS22: 50 to 10,000 Hz [1a]

AMS24, AMS26: 50 to 16,000 Hz [1b]

AMS28: 50 to 16,000 Hz [1c]

AMS22: Hemi-cardioid [2a].

AMS24, AMS26: Cardioid (unidirectional) [2b]

AMS28: Cardioid (unidirectional) [2c]

AMS22, AMS24, AMS26: Microphone activates for sounds

within 60

 (typical) of front axis

AMS28: Optimized for chest placement.  Microphone activates

for sounds within 65

 (typical) of front axis

Output Level (at 1,000 Hz)

Open Circuit Voltage (0 dB = 1V/

µ

bar):

AMS22: –47 dB typical

AMS24, AMS26: –54 dB typical

AMS28: –53 dB typical

900 

Ω

 actual at Direct Output of AMS mixer

AMS22: 20 dB equivalent SPL typical, A-weighted; 25.5 dB

equivalent SPL typical, weighted per DIN 45405

AMS24, AMS26, AMS28: 27 dB equivalent SPL typical, A-

weighted; 32.5 dB equivalent SPL typical, weighted
per DIN 45405

Pin 2 is front facing transducer; Pin 3 is rear facing transducer.

Positive pressure on microphone diaphragm pro-
duces positive voltage on pin 2 relative to pin 3 at AMS
mixer Mic/Line output, and negative voltage on tip ter-
minal at AMS mixer Direct Output connector

AMS22, AMS24, AMS28: Attached 6.1m (20 ft), 2-conductor,

shielded, with three-pin male (XLR type)

AMS26: Three-pin male (XLR type)

AMS22: Black plastic base and brown steel-mesh screen with

black trim

AMS24: Black vinyl-enameled brass case with black steel-

mesh grille

AMS26: Metallic brown vinyl-enameled brass handle with

matching steel-mesh grille

AMS28: Metallic brown vinyl-enameled brass case with match-

ing steel-mesh grille

AMS22 [3a],

AMS24 [3b], 

AMS26 [3c], 

AMS28 [3d].

Net

173 g

(6.1 oz)

159 g

(5.6 oz)

125 g

(4.4 oz)

156 g

(5.5 oz)

Packaged

357 g

(12.6 oz)

437 g

(15.4 oz)

363 g

(12.8 oz)

377 g

(13.3 oz)

Eligible to bear CE Marking.  Conforms to European EMC Di-

rective 89/336/EEC.  Meets applicable tests and performance cri-
teria in European Standard EN55103 (1996) parts 1 and 2, for res-
idential (E1) and light industrial (E2) environments.

AMS24: Mounting Flange

31A1479B

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

Black Windscreen 

49C55

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

AMS26: Brown Windscreen

RK229WS

. . . . . . . . . . . . . . . . . . 

Swivel Adapter

A57F

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

Connector Locking Kit

90CK1371

. . . . . . . . . . . . . . . . 

AMS28: Lavalier Assembly

94A292

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

AMS22: Case 

90CM2600

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

Cable 90CH2600

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

AMS24: Grille

90BZ2600

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

AMS26: Case 

90CP2600

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

Grille 90CS2600

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

AMS24: Male XLR-mounts to gooseneck

A24QG

. . . . . . . . . . 

AMS26: Desk Stand Extension

A26X

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