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Q-G  CONNECTORS
CONNECTORS & RECEPTACLES
?
FAX: 773 792-2129
* Please visit the product pages on our website for the most up-to-date product information
Q-G ? CONNECTORS
1
SECTIONALIZED VIEW - A3F Plug to B3M Receptacle
Field-proven Switchcraft Q-G ? (Quick-Ground) 3- through
7-contact audio connectors with ground terminal and ground
FEMALE CONNECTOR
Panel
Latch Lock
Insert set screw
(Shell ground)
Ground Terminal
Cable Clamp
Strain Relief
MALE RECEPTACLE
Ground Terminal
Pin
contactors are available in a wide range of plugs and
receptacles for microphones, test equipment, instrumentation,
computers, video cameras, mixing consoles, tape recorders,
PA and sound reinforcement, stereo systems and many more
applications.
Switchcraft Q-G ? connectors feature a separate ground-terminal
electrically integral with connector shell. Ground continuity
between mating plugs is automatically accomplished through
exclusive “Dual Point” grounding system. Socket and pin
assemblies utilize “wedge-action” to insure firm, reliable
positioning in connector shell. Inserts are easily removable for
wiring and soldering. High-impact thermoplastic insures long
Insert
Shell
DESIGN FEATURES
CONSTRUCTION: Sturdy, die-cast zinc with satin nickel
finish or Black-Velvet ? finish to withstand hard use – even
abuse. Vel-Tone non-reflective finish on QGP connectors only.
INSERT INSULATION: High-impact, molded thermoplastic
provides high dielectric strength, and superior insulation
resistance.
LOCKING: Latchlock on female plugs and receptacles locks
into groove in mating male connector to prevent accidental
disconnect. Manual release of latchlock is required to
separate connectors. Q-G connectors are also available with
FAS-DISCONNECT detent in place of latchlock. QGP has die-
cast latchlock.
FAS-DISCONNECT: FAS-DISCONNECT detent permits
immediate disconnect of locked connectors with a 4-pound
(1.8 kg) force. FAS-DISCONNECT connectors are not
recommended for use in situations where strong or violent
pulls on cable may occur and cause accidental disconnect.
Available on Q-G connectors only.
DUAL PRESSURE PLATES: A*F and A*M Series provides
secure cable lock and strain relief for all standard size cables.
FLEX RELIEF: TPR cable flex relief bushings on cord plugs
are keyed to shell. Standard bushing opening accepts cables
from .21" to .3" diameter Bushings with other openings
accommodate cables from .105" to .205" diameter and from
.3" to .328" diameter.
CONTACTS: Q-G female connectors are copper alloy,
silver-plated, tarnish-resistant; male contacts are copper alloy,
silver-plated, tarnish-resistant. Gold-plated female contacts
are copper alloy. Male contacts are gold-plated.
WIRING: Large, unique design solder cups make wiring fast
and easy. Certain receptacles are also available with PC
terminals for use with printed circuit boards.
Grounding and Shielding
Tightening the insert screw establishes continuity between
ground terminal, ground contactors and connector housing.
Upon engagement with a mating plug or receptacle, the
ground circuit is automatically connected to the mating shell
through the ground contactor. Any pin or contact can be
grounded by “jumping” it to the ground terminal. Contact
1 engages before all other contacts and disengages after all
reliable insert assembly life. Female connectors have latch lock
feature to hold connectors firmly together. Plugs and receptacles
are mechanically keyed for proper mating. Q-G (*) Series 3-,
4-, 5-, 6-, and 7-pin/contact connectors offer 4-,
5-, 6-, 7-, and 8-pin contact versatility when ground-terminal is
used. Switchcraft QGP connectors; are compatible with
3- and 4-contact (Neutrik, Amphenol 91-850 and Excellite
91-450 Series, and Cannon XLR-3, XLR-4): 5-contact (Neutrik,
Cannon XLR-5 and Amphenol Excellite 91-450 Series).
Captive Design ? Insert Screws
Insert screw engages as any conventional screw, except it is
lefthand threaded. To disassemble the connector, turn screw
counterclockwise down into insert (see illustration).
Insert assembly is now readily removed from shell. Note
“Ground Terminal” area – large soldering cups make cable
installation fast and easy. Unitized 1-piece insert eliminates
possible loss of latchlock and spring.
To reassemble, replace insert assembly into shell, align insert
screw under hole in shell and secure insert by turning insert
screw clockwise. This “wedges” insert against interior of shell
providing a rigid connector assembly and positive electrical
continuity between ground terminal and shell (see illustration).
other contacts.
DIMENSIONS ARE FOR REFERENCE ONLY
Inch
(mm)
SWITCHCRAFT, INC. 5555 N. Elston Ave. ? Chicago, IL 60630
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