2
SPECIFICATIONS
Type
Electret condenser, noise canceling
Frequency Response
350 to 6,000 Hz (see Figure 3)
FREQUENCY RESPONSE
FIGURE THREE
Polar Pattern
Bidirectional, noise canceling
Electrical Characteristics
Environmental Conditions
Operating Temperature: -30 to 60° C (-22 to 140° F)
Storage Temperature: -40 to 74° C (-40 to 165° F)
Relative Humidity: 0 to 95% (non-condensing)
Microphone Connector
6-conductor modular telephone type
PTT Switch assembly
Mechanical: Double-pole, single-throw, leaf-type, normally open
Cable
ALM-88, detachable MODULINK
®
, 1.8 m (6 ft) extended cord
with modular plug on microphone end and PJ-068 aircraft con-
nector on equipment end; and ALM-89 with A4M type connec-
tor.
Construction
Case: Black textured high-impact ARMO-DUR
®
Switch Button: Black ARMO-DUR
®
Hang-up Loop: Matte finish
stainless steel
Dimensions
See Figure 2
Net Weight
(including cable and connector)
283 g (10 oz)
FAA Certification
The Model 598T is FAA Certified for aircraft use under FAA
TSO-C58a requirements. To maintain this FAA Certification,
any service required for the Model 598T must be performed by
Shure Incorporated or by an FAA Approved Service Facility.
Limited Warranty
Shure Incorporated (“Shure”) hereby warrants that this product
will be free in normal use of any defects in materials and workman-
ship for a period of one year from the date of purchase for all car-
tridge and housing assembly parts and for a period of one year
from the date of purchase for all transmitter parts. At its option
Shure will repair or replace the defective product and promptly re-
turn it to you, or refund the purchase price. You should retain proof
of purchase to validate the purchase date and return it with any
warranty claim. If you believe this product is defective within the
warranty period, carefully repack the unit, insure it and return it
postage prepaid to:
Shure Incorporated
Attention: Service Department
5800 W. Touhy Avenue
Niles, IL 60714-4608 U.S.A.
Outside of the United States, return the product to your dealer
or Authorized Service Center.
This warranty does not apply in cases of abuse or misuse of the
product, use contrary to Shure’s instruction, ordinary wear and
tear, an act of God or unauthorized repair. All implied WARRAN-
TIES OF MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE are hereby disclaimed and Shure hereby disclaims lia-
bility for incidental, special, or consequential damages resulting
from the use or unavailability of this product. Some states do not
allow limitations on how long an implied warranty lasts, or the ex-
clusion or limitation of incidental or consequential damages, so the
above limitation may not apply to you. This warranty gives you spe-
cific legal rights, and you may have other rights which vary from
state to state.
THIS WARRANTY SUPERSEDES ALL OTHER WARRANTIES
THAT ARE ASSOCIATED OR INCLUDED WITH THIS PRODUCT.
Furnished Accessories
Screwdriver ......................................................... 80B498
Optional Accessories
Mounting Bracket (3 in kit) .................................. RK6MB
Replacement Parts
Modular plug-cable with PJ-068 plug assembly..ALM-88
A4M type connector ............................................ALM-89
20000
1000
10000
50
100
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
+10
0
–10
Hz
dB
(1 Pascal acoustic
test signal at 1
kHz, 6 mm)**
–25.5 dBV
(53.1 mV)
–25.0 dBV
(56.2 mV)
–24.8
dBV
(57.5 mV)
Operating Voltage
8 V
16 V
28 V
Audio Output Level*
Dc Supply Current
2.3 mA
11 mA
27 mA
* Standard electrical test circuit per RTCA DO-214
**1 Pascal = 94 dB SPL
