ANALOG PARTYLINE INTERCOM SYSTEMS
Clear-Com Encore
™
Highly Intuitive and Reliable
For Group Communications and Collaborations
About Clear-Com
Clear-Com, an HME company, is a trusted global provider of professional real-time communications
solutions and services since 1968. We innovate market proven technologies that link people together
through wired and wireless systems.
Clear-Com was rst to market portable wired and wireless intercom systems for live performances.
Since then, our history of technological advancements and innovations has delivered signicant
improvements to the way people collaborate in professional settings where real-time communication
matters. For the markets we serve – broadcast, live performance, live events, sports, military, aerospace
and government, our communication products have consistently met the demands for high quality
audio, reliability, scalability and low latency, as well as addressed communication requirements
of varying size and complexity. Our reputation in the industry is not only based on our product
achievements, but also on our consistent level of customer engagement as well as continuous
dedication in delivering the right solution for specialized applications and the expertise to make it
work. Around the globe and across markets, Clear-Com innovations and solutions have received
numerous awards and recognitions for our ingenuity and impact to customers.
®
Recipient of the Technology
& Engineering Emmy® Award
The Belt Pack: Distributed Amplier
Systems in Live Production
© 2014. Clear-Com LLC. All rights reserved.
® Clear-Com, the Clear-Com logo and Clear-Com Encore
are registered trademarks of HM Electronics, Inc.
national
academy
of
television
arts
&
sciences
Clear-Com Encore™ analog partyline
systems offer unsurpassed two-wire,
group communication capabilities.
This platform offers an intuitive plug-and-play design,
superior audio clarity with the embedded “Clear-Com
Sound,” and reliable communication technology for the
most demanding applications. Trusted by thousands
of audio experts around the world, Clear-Com Encore
analog partyline systems are the communications
backbone in theatres, schools, local broadcast stations,
churches and other small to mid-size productions.
Clear-Com Encore 3
PRODUCT FAMILY OVERVIEW
From main stations to remote stations, wall-mounted speaker stations to wired beltpacks, Clear-Com Encore is the most
complete set of two-wire intercom systems for reliable group communications. The systems were designed to withstand
rugged usage in fast-paced, demanding and high intensity applications. Clear-Com Encore is highly compatible with other
Clear-Com or third-party products in order to address growing communications needs.
page 6 / MAIN STATIONS
CS-702
page 6 / REMOTE STATIONS
MS-702
MS-704
SB-704
page 8 / USER STATIONS
Speaker Stations
KB-701
Headset Stations
HB-702
HB-704
KB-702
V-Box
KB-702GM
Announcer Console
AB-120
page 7 / WIRED RS-700
SERIES BELTPACKS
RS-701 RS-702 RS-703
4 Clear-Com Encore
RM-702
RM-704
page 9 / INTERFACES
TW-47
EF-701M
TWC-701
IF4W4
TW-12C
PRODUCT FAMILY OVERVIEW
page 10 / PERIPHERALS
AX-704
TR-50
PRC-2 PTX-3
RCS-2700
PIC-4704
MA-704
TW-704
page 12 / HEADSETS
CC-300
CC-400
CC-010A
CC-40
CC-26K-X4
page 13 / ACCESSORIES
CC-60
CC-27
page 11 / POWER SUPPLIES
PK-7
PS-702
PS-704
FL-7
MT-1
WP-2
WP-6
Microphones
GM-9 / GM-18
GN-250 / GN-450
page 14 / SYSTEM DIAGRAMS
SP-3
YC-36
YC-66
Clear-Com Encore 5
MAIN/REMOTE STATIONS
CS-702Portable Main Station
The CS-702 is a portable main station with a power supply
and a versatile intercom monitoring system. It supports
up to 40 beltpacks or 10 speaker stations on two channels.
CS-702 accepts mic or line-level audio line level program
input with an interrupt switch to override program.
MS-702Rack-Mount Main Station
The compact, feature-laden, 1RU intercom main station
supports up to 40 RS-701 beltpacks, 10 speaker stations
or 12 headset stations on two channels. Other features
include channel A-B linking, line level program input,
Remote Mic Kill switch, and external relay circuit.
MS-704Rack-Mount Main Station
The 2RU four-channel main station offers programmable
front-panel buttons. High-capacity, fail-safe power supply
supports up to 40 RS-701 beltpacks, 10 speaker stations
or 12 headset stations. Other features include three IFB
channels, line level program input, announce button/relay,
channel-linking button and Remote Mic Kill switch.
RM-702Remote Station
The 1RU two-channel station is powered by the intercom
line. Operators can talk and/or listen on either or both
channels. The station accepts line-level audio program
input with both channels programmable for interrupt.
Microphone limiting and speaker “dipping” circuit allow
greater output before feedback.
RM-704Remote Station
The 2RU remote station provides four independent
intercom channels with programmable front-panel buttons
for versatility. The station offers separate volume controls
for each channel, four separate audio program inputs, and
separate line level program input. Powered by the intercom
line, the system also provides three IFB channels for talent
cuing and announce button/relay for paging.
SB-704Switchboard Main Station
SB-704 includes all of the features of the MS-704,
with a 4 x 10 assignment matrix in place of the internal
speaker (external speaker required). The 2RU station
features a 10-position slide switch matrix that allows
assignment of any of the 10 intercom lines to any of the
four intercom channels, an isolated separate partyline,
or an off position. Line level program input.
6 Clear-Com Encore
WIRED RS-700 SERIES BELTPACKS
RS-702 RS-703
RS-701
The RS-700 Series beltpacks feature state-of-the-art performance and exceptional audio clarity for partyline
communications in small- to mid-size applications. Offering a highly durable and reliable design, the beltpacks are
ideal for harsh, repetitive daily use and provide a very comfortable t. The beltpacks also feature easy-to-select audio and
key options with DIP switch settings for Electret or Dynamic headset mics, headphone minimum level adjustment,
call with talk operation, latch or non-latch keying, low or high headphone output and LED off modes. The beltpacks
have volume controls as well as talk and call buttons that are guarded against accidental operation.
RS-701
The RS-701 is a single-channel standard beltpack.
Four-pin male headset connector and three-pin
female/male loop through intercom line connectors.
RS-702
The RS-702 is a two-channel standard dual listen
monaural beltpack with four-pin male headset
connector. Six-pin female/male loop through
intercom line connectors. Requires YC-36 adapter
to connect with standard three-pin cabling.
RS-703
The RS-703 is a two-channel/three-pin dual listen
monaural beltpack with four-pin male headset
connector. Three-pin female/male loop through
intercom line connectors. Requires a TWC-701 TW
adaptor module.
Clear-Com Encore 7
USER STATIONS
SPEAKER STATIONS
KB-701Single-Channel Station
The KB-701 remote speaker station connects to
a single channel of partyline intercom and operates
in half-duplex mode. It features both an integral
speaker and a ushmount electret microphone with
mic limiter and a push-to-talk button.
KB-702/KB-702GMTwo-Channel Station
The KB-702 remote speaker station permits the
user to select between two channels of partyline
communications, with the ability to talk and/or
listen on the selected channel. The user can listen
via the integral speaker, a headset or telephone-style
handset and can talk via a headset mic, a telephone
handset, or a push-to-talk microphone on the
KB-702GM version.
HEADSET STATIONS
HB-702Two-Channel Station
The HB-702 is a selectable two-channel wall or consolemounted headset station. The station includes microprocessor-
controlled logic and switching, with a momentary/latching
talk button and visual call signaling.
HB-704Four-Channel Station
The HB-704 provides the same features as the HB-702,
but can access four intercom channels.
ANNOUNCER CONSOLE
V-BoxPortable Enclosure for KB Stations
The V-Box permits either angled or vertical portable/
desktop mounting of the KB-701, KB-702, and
KB-702GM speaker stations. Both male and female
3-pin XLR connectors are on the side panel. The
rugged metal and wood construction provides an
attractive, durable enclosure.
8 Clear-Com Encore
AB-120Announcer Console
The AB-120 On-Air Announcer Console is the ultimate
broadcast-quality tool for announcers and commentators.
The AB-120 integrates all of the inputs, outputs, and
controls necessary at the announce position, including
intercom “Talkback,” IFB receiver, and a silent “Mute” button
that provides noise-free cough and “mic on/off” switching.
Extremely exible, the console can be easily congured for
practically any combination of audio sources, microphones,
headsets, or intercom systems to ensure quality audio and
powerful communications.
HEADSETS
CC-300
Single-ear headset features high ambient-noise attenuation
headphones and a hyper-cardioid dynamic microphone that
provide high quality audio. The headset has a exible design
and a soft-ear pad to offer superior comfort. Able to rotate
300-degrees, the microphone boom acts as an on/off switch
for quick microphone muting.
Impedance mic/earpiece: 200/400 Ohms
Mic type: Dynamic
CC-400
Double-ear headset features high ambient-noise attenuation
headphones and a hyper-cardioid dyanamic microphone that
provide high quality audio. The headset has a exible design
and soft-ear pads to offer superior comfort. Able to rotate
300-degrees, the microphone boom acts as an on/off switch
for quick microphone muting.
CC-26K-X4
The CC-26K is a single-ear, ultra-lightweight (1.3oz)
headset with a dynamic, noise-cancelling mic element
on a exible boom. It includes a straight 5.5 foot
(1.67 meter) cord with 4-pin female XLR connector.
Impedance mic/earpiece: 200/400 Ohms
Mic type: Dynamic
CC-27
The CC-27 is a single-ear wrap around headset with
a noise cancellation microphone. 4-pin XLR female
150Hz to 10kHz frequency response.
Impedance mic/earpiece: 200/90 Ohms
Mic type: Dynamic
Impedance mic/earpiece: 200/200 Ohms
Mic type: Dynamic
CC-40 and CC-60
The single- or double-ear general-purpose intercom headsets with excellent noise attenuation include a straight
5.5 foot cord (1.67 meter) with 4-pin female XLR connector.
Impedance mic/earpiece: 200/400 Ohms
Mic type: Dynamic
CC-010A IFB Ear Set
The IFB ear set includes audio driver, coiled acoustic
eartube with clothing clip, 5ft (1.5m) cable with 1/8"
(3.5mm) straight mini-jack connector.
Que-Com Partyline System
Que-Com is a high-performance, economical partyline
communications system. This system features a wide
frequency response and high audio output. The intercom
provides an individual volume control and mic on/off
switch for each station with a permanently attached,
rugged, noise-isolating headset. The headset is connected
to a rugged, all-metal diecast beltpack with belt clip. System
interconnects with a standard mic cable. Que-Com is
compatible with all Clear-Com systems. The PK-7 is a
suitable power supply option.
Clear-Com Encore 9
INTERFACES
TW-47Two-Way Radio/Walkie-Talkie Interface
Compatible with both Clear-Com and RTS,
®
the TW-47
connects virtually any set of walkie-talkies to anyone
on the wired partyline intercom; simply use one walkietalkie as a base station. The base station radio is keyed
from the intercom call signal. Extensive RF and EMI
isolation prevent interference from entering the intercom
system. Separate transmit and receive level controls are
provided, along with audio level and transmitter keying
indicators. The stand-alone interface is powered by the
intercom line.
TWC-701 Cable Adaptor
The TWC-701 two-channel cable adapter combines
two intercom channels onto a single 3-pin XLR cable.
All two-wire (TW) beltpack models require this adapter
to support a two channel connection to a multi-channel
Clear-Com system. The TWC-701 module can drive up
to 15 RS-703 beltpacks.
EF-701MInterface
The EF-701M interface converts a single channel of standard
or TW partyline intercom to four-wire audio, while also
converting call signals to RS-422 data (and back). The
resulting four-wire audio plus RS-422 data can then be sent
to a Clear-Com matrix port, ber optic converter (modem)
or connected to another EF-701M over a twisted-pair cable
such as CAT-5E.
TW-12CSystem Interface
The TW-12C connects one intercom system to another.
Optoisolation eliminates hums and buzzes. The interface
will compensate for level and impedance differences
between systems. TW-12C allows Clear-Com-to-Clear-Com,
Clear-Com-to-RTS, and RTS-to-RTS system congurations.
The interface is powered by the connected intercom
system and translates “call” signals in both directions.
IF4W4Four-Wire Interface
The IF4W4 four-channel interface connects Clear-Com to TV
cameras, two-way radios, satellite links, and other communications devices through either headset jacks or four-wire
circuits. The IF4W4 has selective partyline capability, and
features individual transmit, receive, and null controls as
well as transmit level indicators. Switchable mic or linelevel output for compatibility. The built-in test jack and
test tone provide quick nulling.
10 Clear-Com Encore
PERIPHERALS
RCS-2700 Programmable Source Assignment Panel
The 2RU RCS-2700 is ideal for medium to large installations
where channel assignments to remote stations frequently
change. Eight master channel sources can be assigned
to any 24 remote station destinations, and additional
RCS-2700 units can be connected for up to 15 sources
and 72 destinations. It can store 14 presets.
PIC-4704Program Interrupt Controller
Each IFB controller handles up to four talent receivers.
For use with MA-704 and AX-704 IFB Control Panels or
intercom stations. This unit contains the circuitry for
selecting one of two program sources, sending the program
to the IFB channels, and interrupting it via the talent
control station. The controller has variable audio program
dip-level, monaural or stereo/split-feed outputs, and
improved and intuitive user interface. It requires a 6-pin
XLR cable for connection to MA-704/AX-704 control panels.
TR-50 Talent Receiver
The TR-50 is an amplied single-channel talent beltpack
with volume control. It connects to the program interrupt
controller with a standard microphone cable. It has a
mini earphone jack output and includes a talent earset.
It should be paired with the CC-010A IFB ear set.
PRC-2 UHF Wireless IFB Receiver
The IFB receiver has default UHF frequencies that can be set
without power or a transmitter signal. Up to ve additional
frequencies can be stored in scan mode. The design uses
+/-20 kHz FM deviation for efcient use of the bandwidth
with compandor noise reduction circuitry for an excellent
signal to noise ratio. The receiver will drive a wide variety
of earbuds, headphones and induction neck loops at substantial levels, with loads from 16 Ohms to 600 Ohms. It
should be paired with the CC-010A IFB ear set. Not available
for CE countries.
MA-704/AX-704 IFB Control Panel
These console-mount or rack-mount units control
“program interrupt” (IFB) to the talent. The MA-704
includes a gooseneck microphone connector, illuminated
“All Talent”, and four individual talent push buttons. The
AX-704 permits expansion in multiples of four. Both accept
the “hot mic out” from a Clear-Com station. An optional
CEP-RK rack mount xture is available for the MA-704
and AX-704 panels.
PTX-3 UHF Wireless IFB Transmitter
The wireless IFB transmitter base station has 256 selectable
UHF frequencies at 100 kHz increments. Microprocessor
control enables easy operation and eliminates transients
at turn-on and turn-off. Transmitter can be used as a
standalone device or rack mounted with the PRK-2 kit.
Not available for CE countries.
Clear-Com Encore 11
POWER SUPPLIES
PS-702Two-Channel Power Supply
The 1RU PS-702 can deliver 1.2 amps at 30 volts DC
to two channels. This is sufcient to power up to 40
beltpacks, 10 speaker stations, or 12 headset stations
even under the most demanding conditions. Either
channel is capable of supplying up to 1.2 amps.
The full current capacity may be divided between
the two channels.
PK-7Lightweight Power Supply
The PK-7 power supply will support up to 30 Que-Com
headset stations or ve standard RS-700 series beltpacks.
It is line and load regulated and short-circuit protected.
Power supply ts into a single rack space.
PS-704Four-Channel Power Supply
The 1RU PS-704 is a four-channel power supply that
features Clear-Com’s “fail-safe” design for maximum
reliability. The power supply delivers 1.2 amps at 30 volts,
supplying power for one to four channels of intercom.
It will support up to 40 beltpacks, 10 speaker stations
or 12 headset stations.
12 Clear-Com Encore
ACCESSORIES
FL-7Call Signal Flasher
The FL-7 call signal asher has a new
LED design with dimmer. It provides
both a visual and audible indication of
a call signal on the intercom channel.
The front panel mode switch selects
asher, ring or both.
WP-2Intercom Outlet Wall Plate
The selectable two-channel WP-2
wall plate connects to single-channel
beltpacks such as the RS-701. The 3-pin
male XLR connector with two-position
channel-selector switch allows user to
talk on either of two intercom channels.
WP-6Intercom Outlet Wall Plate
The WP-6 wall plate is used with twochannel beltpacks such as the RS-702.
6-pin male XLR connector connects
user with two intercom channels.
HS-6Telephone-Style Handset
Telephone-style handset with wall/
console mount hanger, push-to-talk
switch includes a 6-foot coil cord
with 4-pin female XLR connector.
SP-3Line Splitter
The SP-3 line splitter is a one-femaleinput to three-male-output cable
assembly for intercom line splitting.
YC-36“Y” Adapter
The YC-36 “Y” adapter plugs into the
6-pin male XLR intercom connector on
a RS-702 or beltpack. The other end
provides two 3-pin female XLR connectors, for separate line connection to
channels A and B.
PT-7Hand-Held Mic
The rugged, push-to-talk, hand-held
PT-7 microphone with mounting clip
includes a 5-foot coil cord with 4-pin
female XLR connector.
GM-9/GM-18Gooseneck Mics
The GM-9 (9" length) and GM-18 (18"
length) gooseneck microphones feature
a gold-plated, threaded, and locking
three-conductor quarter-inch phone
plug connector. A tted windscreen is
included. The uni-directional electret
condenser mic element has a side and
rear rejection of greater than 6dB
between 100Hz and 10kHz.
GN-250/GN-450
Gooseneck Mics
GN-250-25cm/10in Plug-in
gooseneck microphone
GN-450-45cm/18" Plug-in
gooseneck microphone
YC-666-Pin Line Splitter
The YC-66 is a one 6-pin male XLR
connector that splits into two 6-pin
female connectors.
MT-1Isolator Circuit Card
The MT-1 electrically isolates the
ground, power, and signaling lines
when connecting between two
partyline intercom systems. Use one
card per channel.
Clear-Com Encore 13
System Diagrams
RS-701
System Diagrams
SYSTEM DIAGRAMS
Four-Channel TV News System
RS-701
Cable/School Television Studio
TV BROADCAST STATION
Four-Channel System Using SwitchBoard Main Station
RS-701 RS-701 RS-701 RS-701 RS-701
YC-36
RS-702
RS-701
RS-701 RS-701 RS-701
RS-701 RS-701RS-701
14 Clear-Com Encore
RS-701RS-701 RS-701 RS-701 RS-701
RS-701
RS-701 RS-701
RS-701 RS-701 RS-701
System Diagrams
Stage Production
Sports Production OB Truck
STANDARD TELEPHONE INTERFACE,
VOIP CLIENT, CLEAR-COM CONCERT
KB-702GM
RS-701RS-701
RS-701 RS-701 RS-701 RS-701 RS-701 RS-701
RS-701RS-701RS-701RS-701RS-701
RS-701 RS-701
RS-701 RS-701
RS-701RS-701
System Diagrams
Stage Production
RS-701RS-701 RS-701 RS-701 RS-701
RS-701
RS-701 RS-701
RS-701 RS-701 RS-701
SYSTEM DIAGRAMS
Stand-Alone System, 1 Location, 4 Talent
Typical Portable System Theater
Coach to Spotter System-Portable
RS-701RS-701
SP-3
SPORTS PRODUCTION
RS-701RS-701RS-701
RS-701
RS-701 RS-701 RS-701 RS-701
RS-701RS-701
STAGE PRODUCTION
RS-701RS-701
KB-702GM
ENG/EFP Truck
RS-701
OB TRUCK TV BROADCAST STATION
RS-701
MS-702
STANDARD TELEPHONE INTERFACE OR
VoIP CLIENT e.g. CONCERT SERVER
RS-701RS-701
Clear-Com Encore 15
Americas and Asia-Pacic Headquarters
California, United States
Tel: +1.510.337.6600
Email: SalesSupportUS@clearcom.com
Europe, Middle East, and Africa Headquarters
Cambridge, United Kingdom
Tel: +44 1223 815000
Email: SalesSupportEMEA@clearcom.com
China Representative Ofce
Beijing, P.R.China
Sales/Marketing Tel: +86 10 59002608
Service Tel: +86 10 59000198
www.clearcom.com
v.5_12/14
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