Dual Receiver VHF Wireless Microphone System
Nady Wireless Systems are type accepted under FCC rules parts 90, 74 and 15. The
device complies with RSS-210 of Industry & Science Canada. Operation is subject to
the following two conditions: (1) this device may not cause harmful interference and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
NADY SYSTEMS, INC.
6701 Shellmound Street • Emeryville, CA 94608 USA
Tel: 510/652-2411 • Fax: 510/652-5075
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INTRODUCTION
Thank you for purchasing a Nady Encore DUET dual receiver wireless microphone
system and congratulations on your choice. The Encore DUET is loaded with top
professional operating features and is the best performance and price value available
in VHF dual receiver wireless systems.
ENCORE DUET RECEIVER
Reception Mode
Controls
Dual receivers (Channel A and Channel B)
Power ON/OFF, dual volume and mute
controls (one each, Ch A/B)
Connectors
Dual balanced XLR and unbalanced adjustable
1/4" audio out jacks (Ch A & B mixed), 2.1mm
barrel-type DC input jack
LED Indicators
Power ON, Dual 5-LED RF & AF level
displays (Ch A/B)
USING THIS MANUAL
Dimensions (Max.)
Weight
Power Requirements
1.75" x 7.5" x 8.1" (4.4 x 19 x 20.7 cm)
1.6 lbs (.73 kg)
12V @ 400mA, nominal,
AC/DC adapter supplied
11.2" (28.5 cm), dual telescopic
This booklet gives instructions for the operation of the Encore DUET VHF wireless,
including handheld, instrument, lavalier, headmic and plug-in transmitter systems.
Please read the instructions for your system completely before operating unit.
This manual will first list the features of the Encore DUET and then will take you step
by step to show you how to operate your new system. After reading the receiver
instructions, turn to the section of the booklet that covers the type of transmitters used
with your new system. Each section will give you detailed operating instructions. Also
included in this manual are system specifications and servicing information.
Antenna
SERVICE
(U.S.) Should your Nady Encore DUET Wireless Microphone System require service,
please contact the Nady Service Department via telephone at (510) 652-2411 or
e-mail to [email protected] for a Return Authorization (R/A) Number and a service
quote (if out of warranty). Make sure the R/A Number is clearly marked on the
outside of the package and enclose a cashier’s check or money order (if not prepaid
with a credit card). Ship the unit prepaid to: Nady Systems, Inc., Service Depart-
ment, 6701 Shellmound Street, Emeryville, CA 94608. Include a brief description of
the problems you are experiencing.
The warranty card enclosed with this system contains additional valuable warranty
and service information. Keep it in a safe place for future possible reference. Do not
attempt to service this unit yourself as it will void the warranty.
(International) For service, please contact the Nady distributor in your country
through the dealer from whom you purchased this product.
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SPECIFICATIONS
SYSTEM FEATURES
• Dual channel system for simultaneous operation of two transmitters
• Available on 2 selected frequencies in the VHF high band (171-216 MHz) for
interference-free, long-range performance
• Proprietary companding circuitry for an industry-best 120dB Dynamic Range,
and the clearest, most natural sound available
• Operating Range: Up to 250 feet typical (depending on site conditions) – up to
500+ feet line-of-sight
• Noise-free transmitter ON-OFF operation
ENCORE DUET OVERALL SYSTEM PERFORMANCE
Frequency Response
Dynamic Range
Total Harmonic Distortion
RF Carrier Frequency Range
Frequency Stability
Modulation
25-20,000 Hz, +/-3dB
120dB
< 0.3%
2 channels between 169-216 MHz
+/- 0.005%, crystal controlled
FM (F3E), +/-20KHz max.
Up to 250 ft. typical (depending on site
conditions); up to 500+ feet optimum
line-of-sight
• Rugged, foam-padded traveling case provides easy, safe transport and
storage
Operating Range
ENCORE DUET RECEIVER
• Half-rack dual receiver design (Channel A and Channel B) with retractable
front panel dual antennas
TRANSMITTERS
• Dual RF and AF 5-LED displays for monitoring incoming signal strength and
audio level on both channels
• Dual balanced XLR and unbalanced adjustable 1/4" jack outputs
• Dual mute (squelch) adjust controls
• Externally powered by AC/DC power adapter
• Unique snap-out panel locking tabs for single receiver or double receiver
(side-by-side) optional rack mounting
Audio Inputs
•WHT
•WLT/WGT
Nady DM-10D neodymium dynamic cartridge
3.5mm mono locking jack for connecting to omni
or unidirectional lavalier mic or unidirectional
head worn mic, with phantom power (WLT);
or connecting to instrument cable (WGT)
•LINK 2™
Locking XLR jack for connecting to microphone or
cable, with selectable phantom power
WHT HANDHELD MIC TRANSMITTER
Controls
•WHT
•WLT/WGT
•LINK 2™
• Features the Nady DM -10D unidirectional neodymium dynamic cartridge for
optimum true sound, maximum feedback rejection and minimal handling noise
• OFF/STANDBY/ON switch allows convenient audio muting with the
transmitter "ON"
OFF/STANDBY/ON switch
OFF/STANDBY/ON switch, input level adjust
OFF/STANDBY/ON, LO/HI Level, and ON/OFF
Phantom power switch
Unit "ON" (single flash),
Low Battery Alert (steady)
50mW (Max. allowed by FCC)
> –40dB
• Low battery LED indicator flashes once for unit "ON"; lights steady for low
battery alert
• Rubber, "easy-mount" mic clip included
LED Indicator
RF Power Out
Harmonic & Spurious Emissions
Battery
Battery Life
Dimensions
•WHT
•WLT/WGT
•LINK 2™
WGT & WLT BODYPACK TRANSMITTERS
• Choice of instrument (WGT) or headworn/lavalier microphone (WLT)
bodypack transmitter
9V Alkaline
Up to 15 hours
• OFF/STANDBY/ON switch allows convenient audio muting with the
transmitter "ON"
• Low battery LED indicator flashes once for unit "ON"; lights steady for low
battery alert
• Locking 3.5mm mini-jack provides secure connection for removable
microphone or instrument cable
• Easily accessible input level adjust control for optimum sound
9.5" X 1.4" Diam. (24.1 X 3.5 cm)
4.1" X 2.4"X 0.8" (10.4 X 6.1 X 2.0 cm)
4.5" X 1.5" X 1.25"
(11.4 X 3.8 X 3.2 cm)
Weight (w/o battery)
•WHT
•WLT/WGT
•LINK 2™
6.9 oz (193 g)
3.6 oz (101 g)
2.6 oz (71 g)
LINK 2™ PLUG-IN TRANSMITTER
• Plug-in transmitter converts your favorite XLR handheld or lavalier microphone
to wireless instantly
• Rugged construction and positive locking connector for reliable performance
• Selectable phantom power and LO/HI audio input level
• Optional leatherette pouch with clip available for use as bodypack
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ENCORE DUET RECEIVER
1. Rackmounting the Receiver
There are 2 options available for rackmounting the Encore DUET receiver: singly or
side-by-side with another Encore Series receiver.
a. Single mounting: Remove the receiver SIDE MOUNT CLIP (1) from each side of
the receiver (as shown) and slide in the optional ERM-12 RACK EARS (9).
b. Side-by-side double mounting: After removing the SIDE MOUNT CLIPS (1) from
both Encore receivers, join the two receivers with the EJC-2 JOINING CLIP
(10) and attach the ERM-22 RACK EARS (12) as shown. (Note: Do not mount
the receiver in a rack directly above an amplifier or other source of high
heat – this could degrade the performance of the Encore DUET. Always
ensure adequateairflow and heat dissipation in any rack configuration.)
38
44
2. Powering the Receiver
43
Plug the 12V AC/DC ADAPTER (15) provided into the DC INPUT JACK (11) on the
back of the receiver. Then plug the power supply into an AC outlet.
(Note: Any 12V DC source with 400mA capability can also be used.) Press
the POWER SWITCH (8) once to turn on the receiver. The POWER ON LED (7)
will now light and the receiver is operational.
36
37
41
39
3. Antennas
The Encore DUET receiver is supplied with TELESCOPIC ANTENNAS (16), one each
for Channel A and Channel B. These should be extended fully to obtain maximum
range. Optimal antenna position is 45 degrees from the receiver (at 90 degrees
from each other). For maximum range, it is always best to maintain a line of sight (no
obstructions) between the receiver antennas and the transmitter at all times whenever
possible.
40
42
4. Mute (Squelch) Adjustment
XLR Connector – Connects microphone to the transmitter module for signal input
Locking Ring – Locks microphone to the transmitter
Optional Pouch – For lavalier bodypack operation (with beltclip and strap ring
for securing)
36
In normal operation, the MUTE CONTROLS (2) for each channel (A & B) should be
set fully counterclockwise to the factory preset minimum RF level. However, in areas
of high RF activity, the mutes (or squelches, as they are sometimes called) may need
to be adjusted to compensate for the adverse conditions in a particular location. If,
with the transmitter off, one or more LEDs of the receiver's 5 LED RF LEVEL DISPLAYS
(4) for that channel transmitter flicker or stay on, the squelch control for that channel
should be turned clockwise until the LEDs extinguish. When the squelch is properly
adjusted, the RF LEVEL LED displays will only light when that channel transmitter is
turned on. Turning the squelch control too far clockwise will reduce the range, but
yield a quieter mute (squelch) function. When the 5 LED RF LEVEL display extinguish-
es, the transmitter for that channel is out of range for that given location, and the user
should move closer to the receiver to re-establish the radio link.
37
38
Gain Control Switch – Adjusts the input sensitivity (LO or HI)
Low Battery LED – Single flash (power on), lit steady (low battery)
Power Switch – Turns the power ON/STANDBY/OFF. In standby position, the
power is on and the audio is off.
39
40
41
Phantom Power ON/OFF Switch – Turns the phantom power ON/OFF
Battery Compartment
42
43
44
45
Release Button – Press to release XLR connector
9V Alkaline Battery
5
16
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5. Connecting the Audio Output
4. Microphone Operation
The Encore DUET receiver provides both a fixed mic level BALANCED AUDIO OUT-
PUT XLR (14) for each channel and an adjustable line level A + B UNBALANCED
AUDIO OUTPUT 1/4" JACK (13) which provides a mixed (summed) Ch A plus Ch B
output signal. The mixed level from the A + B UNBALANCED OUTPUT is controlled
by the rear panel VOLUME CONTROLS (6) for each channel. (Note: As when mak-
ing any connection, make sure the amplifier or mixing board volume is at the
minimum level before plugging in the receiver to avoid possible sound system
damage. Also make sure that the phantom power on the input of the mixer is
turned OFF before making connection to the receiver.)
a. Turn on the Link 2 by sliding the ON/STANDBY/OFF SWITCH (41) to the
STANDBY position (transmitter on, audio muted) or the ON position (transmitter
and audio both on). The LOW BATTERY INDICATOR LED (40) will give a single
quick flash, indicating usable battery strength. In case of dead or low battery,
the indicator will either not go on at all or stay on continuously, indicating a bat-
tery voltage below 7V. If this occurs, replace with fresh 9V battery. Remember to
turn the transmitter off when not in use.
b. The Link 2 is now ready to use. Most or all of the RF DISPLAY LEDs (4) on that
channel of the Encore DUET receiver should now be lit, indicating a received
signal from that transmitter. When ready to speak, slide the transmitter switch
to the ON position and adjust the volume of that channel of the receiver as per
the Audio Output Microphone Connection section of the above Encore DUET
receiver instructions. The appropriate AF LEVEL LED DISPLAY (5) on the Encore
DUET receiver will light up to 5 LEDs (4 green and 1 red) for all input signals.
Occasional flickering on and off during use of the top red LED indicator in this
display is normal, however if the red LED stays on continuously, it means the
signal is too loud and there is the possibility of overload distortion. Re-position
the microphone farther from the source or adjust the Link 2 transmitter gain with
the VOLUME LO/HI GAIN SWITCH (39). Set for the maximum possible level
without noticeable distortion on the high level peaks. Set the GAIN SWITCH to
LO to decrease the audio level, and set the GAIN SWITCH to HI to increase the
audio level. The red LED indicator should flicker only on the loudest inputs.
a. Instrument Connection (using the WGT instrument transmitter)
Insert an audio cord with a 1/4" mono phone plug in the A + B
UNBALANCED OUTPUT JACK (13) on the rear panel of the receiver. Plug the
other end of the cord into an amplifier, effects, or mixing board. Adjust the
appropriate VOLUME CONTROL (6) for the channel being used on the Encore
DUET receiver clockwise to about 3/4 rotation, until the mixed volume level is
comfortable for your application. This setting is roughly equivalent to a direct
instrument cord connection. Turning the volume up to maximum will provide
4dB gain over a cord. (Note: Since this a mixed output of Ch A & Ch B,
both channels with be processed simultaneously by the amplifier and/or
effects connected to, which may not be appropriate for your application.
b. Microphone Connection (using the WLT transmitter with either a headset or
lavalier microphone or the WHT handheld microphone transmitter)
For microphone use, either the BALANCED MIC AUDIO OUTPUT XLRs (14)
or the 1/4" line level A + B UNBALANCED OUTPUT (13) can be used. The
XLR output is set at a non-adjustable microphone level, similar to hardwired mic
levels. Plug an XLR connector into either or both of the XLR OUTPUT JACKS on
the rear of the unit and plug the other end into your amplifier or mixing board.
(Note: Make sure the phantom power on your mixing board is turned off
and the volume is turned down when making connections.)
(Note: Observe care in selecting P.A. volume, transmitter location and
speaker placement so that acoustic feedback (howling and screeching)
will be avoided. Please also observe the pickup patterns of the micro-
phone selected: omnidirectional mics pick up sound equally from all
directions and are prone to feedback if not used carefully. Unidirectional
mics are more resistant to feedback, but pick up sound sources best that
are directly in front of the mic. Also, mics that are farther from the sound
source, such as lavaliers, require more acoustic gain and thus are also
more prone to feedback than close-source mics such as handheld or head-
worn mics that are used close to the mouth.)
For your convenience, the XLR output levels are preset at the factory and are
not adjustable with the receiver volume controls. To use the 1/4" A + B
UNBALANCED OUTPUT JACK (13), follow the instructions for the
Instrument Connection(above), except start with the receiver volume at 1/2
MAX and adjust the volume control for each channel until the mixed Ch A &
Ch B volume level is optimal. If the volume controls are set too high, you may
overload your mixer or amp.
(Note: Microphone elements can easily be destroyed by the buildup of
salts and minerals from perspiration and saliva. It is good practice to put
6
15
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THE LINK 2™ PLUG-IN TRANSMITTER
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1. Transmitter Set-Up
First, slide open the BATTERY COMPARTMENT DOOR (43) to expose compartment.
Insert a fresh 9V ALKALINE BATTERY (45), observing polarity. Close the battery
compartment door.
2. Handheld Microphone Installation
• Step 1 - Rotate the transmitter's threaded LOCKING RING (37) clockwise
toward the XLR CONNECTOR (36) until it stops.
• Step 2 - Hold your mic in one hand and The Link 2 in the other.
• Step 3 - Plug your mic into the XLR CONNECTOR.
7
• Step 4 - Lock the mic into place with the adjustable threaded LOCKING RING
by rotating the ring, counterclockwise, to the top of the transmitter.
• Step 5 - To release the XLR CONNECTOR, turn the threaded LOCKING RING
clockwise and press the RELEASE BUTTON (44).
8
4
5
4
5
3. Lavalier Microphone Installation
The lavalier microphone you are using must terminate with an XLR connector and
conform to the pin assignments shown below. If it does not conform or is supplied
with a different connector, you must use an appropriate adapter or the lav mic may
not work with the Link 2. If you have any questions, please contact your Nady dealer
or Nady Systems’ Customer Service Department.
Note: The pin assignments on The Link 2’s XLR connector are as shown:
2
15
14
6
11
6
2
13
14
1
9
9
Note: Select phantom power, as needed, with the PHANTOM POWER ON/OFF
SWITCH (42).
1
12
10
12
7
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WHT HANDHELD MICROPHONE TRANSMITTER
32
35
1. Unscrew the BATTERY COMPARTMENT COVER (17) and remove, exposing the
BATTERY HOLDER (18). Insert a fresh 9V ALKALINE BATTERY (19), observing the
correct polarity as marked, and screw the cover back on to the microphone. Make
sure the cover is screwed on completely. A fresh alkaline battery can last up to 16
hours in use, but in order to ensure optimum performance, it is recommended that
you replace the battery after every 10 hours of use.
34
33
32
2. Turn on the WHT by sliding the OFF/STANDBY/ON SWITCH (20) to the STAND-
BY position (transmitter on, audio muted) or the ON position (transmitter
and audio both on). The BATTERY INDICATOR LED (21) will give a single quick flash,
indicating usable battery strength. In the case of a dead or low battery, the LED will
either not go on at all or will stay on continuously, indicating that the battery should
be replaced with a fresh one. To preserve battery life, turn the transmitter off when
not in use.
30
3. The microphone is now ready to use. Most or all of the RF LEVEL DISPLAY
LEDs (4) on the Encore Duet receiver should now be lit, indicating a received signal
from the transmitter. When ready to speak, slide the transmitter switch to the ON
position. Adjust the volume of the receiver as per the Audio Output Microphone
Connection section of the above Encore Duet receiver instructions. The AF LEVEL
LED DISPLAY (5) on the Encore Duet receiver will light up to 5 LEDs (4 green and 1
red) for all input signals. Occasional flickering on and off during use of the top red
LED indicator in this display is normal, however if the red LED stays on continuously,
it means the signal is too loud and there is the possibility of overload distortion. Back
off from the microphone until the red LED indicator only flickers on peaks.
[Note: Observe care in selecting P.A. volume, transmitter location and speaker
placement so that acoustic feedback (howling or screeching) will be avoided.]
[Note: Microphone elements can easily be destroyed by the buildup of salts
and minerals from perspiration and saliva. It is good practice to put a wind-
screen on the mic element at all times to protect it.]
30
Opening Battery Compartment
31
8
13
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WGT INSTRUMENT BODYPACK TRANSMITTER
1. Snap open the BATTERY COMPARTMENT (30) and insert a fresh 9V BATTERY
(31), observing the correct polarity. Close the compartment. The WGT is provided
with a 3.5 mm LOCKING JACK (32) for connecting the INSTRUMENT CABLE (35).
To secure the connection, turn the metal slip ring on the plug clockwise to thread it on
to the jack. To unplug, reverse the process. Slip the transmitter into a pocket or clip
on to your clothes or instrument strap. (Note: As the cord to the instrument also
serves as the antenna, be sure to extend it fully for maximum range. Rolling
up or shortening the cord may reduce the effective operating range.)
2. Turn on the WGT by sliding the OFF/STANDBY/ON SWITCH (32) to the STAND-
BY position (transmitter on, audio muted) or the ON position (transmitter and audio
both on). The BATTERY INDICATOR LED (33) will give a single quick flash, indicat-
ing usable battery strength. In the case of a dead or low battery, the LED either will
not go on at all or will stay on continuously, indicating that the battery should be
replaced with a fresh one.
3. The WGT transmitter is now ready to use. Most or all of the RF DISPLAY LEDs (4)
on the Encore Duet receiver should now be lit, indicating a received signal from the
transmitter. Adjust the volume of the receiver as per the Audio Output Instrument
Connections section of the above Encore Duet receiver instructions. For optimum per-
formance, an INPUT LEVEL CONTROL (34) is provided on the top panel of the WGT.
Adjust the gain by turning the control with a small slot head screwdriver.
21
20
It is recommended that this control be turned to maximum gain. However, for ultra
high-gain instrument sources such as active bass pickups or even extra hot guitar
pickups, turning the level down slightly will create a cleaner sound. (Note: Turning
down the input gain too much can compromise the signal-to-noise ratio and is
not recommended. Set for the maximum possible gain and headroom without
noticeable distortion on the high level peaks).
The AF LEVEL LED DISPLAY (5) on the Encore Duet receiver will light up to 5 LEDs (4
green and 1 red) for all input signals. Occasional flickering on and off during use of
the top red LED indicator in this display is normal, however if the red LED stays on
continuously, turn down the instrument volume or adjust the INPUT LEVEL CONTROL
(34) on the WGT transmitter, or noticeable distortion may result.
18
(Note: Scratchy noises can sometimes occur when some electric guitars/basses
with dirty pots or connections are used with any wireless system. For this
reason, the supplied INSTRUMENT CORD (35) has a factory installed capaci-
tor inside the 1/4" plug. This capacitor provides first order filtering of the RF
signal from the cord into the guitar and eliminates virtually all scratchy noises.
Should your equipment still give you scratchy noises, we suggest these steps to
eliminate them:
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17
1) Make sure all guitar volume and tone pots are clean and all contacts are
solid – this is very important.
2) Provide extra filtering with a 220 pF capacitor soldered across the hot to
ground terminals of the guitar's volume and tone pots.)
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9
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WLT LAVALIER/LAPEL OR HEADWORN MICROPHONE
BODYPACK TRANSMITTER
24
1. Snap open the BATTERY COMPARTMENT (22) and insert a fresh 9V BATTERY
(23), observing the correct polarity. Close the compartment.
29
28
27
2. The WLT is provided with a 3.5 mm LOCKING JACK (24) for connecting the
microphone. Plug in either the LAVALIER/LAPEL (25) or the HEADWORN MICRO-
PHONE (26), as supplied. To secure the connection, turn the metal slip ring on the
plug clockwise to thread it on to the jack. To unplug, reverse the process. Slip the
transmitter into a pocket or clip on to your clothes. To use the lavalier mic, attach it
at chest level. Do not place too close to the mouth – a distance of about six inches
usually works best. To use the headworn mic, place it on the head and adjust the mic
boom so that the mic is about one inch to the side of the front of the mouth. (Note:
The lavalier or headworn mic wire is also the transmit antenna, and rolling up
or shortening the wire may reduce the effective operating range. Extend the
wire fully during use, and keep it as straight as possible.)
22
25
3. Turn on the WLT by sliding the OFF/STANDBY/ON SWITCH (27) to the STANDBY
position (transmitter on, audio muted) or the ON position (transmitter and audio both
on). The BATTERY INDICATOR LED (28) will give a single quick flash, indicating us-
able battery strength. In the case of a dead or low battery, the LED either will not go
on at all or will stay on continuously, indicating that the battery should be replaced
with a fresh one.
26
4. The microphone is now ready to use. Most or all of the RF DISPLAY LEDs (4) on
the Encore Duet receiver should now be lit, indicating a received signal from the
transmitter. When ready to speak, slide the transmitter switch to the ON position
and adjust the volume of the receiver as per the Audio Output Microphone
Connection section of the above Encore Duet receiver instructions. The AF LEVEL LED
DISPLAY (5) on the Encore Duet receiver will light up to 5 LEDs (4 green and 1 red)
for all input signals. Occasional flickering on and off during use of the top red LED
indicator in this display is normal, however if the red LED stays on continuously, it
means the signal is too loud and there is the possibility of overload distortion.
Re-position the microphone farther from the source or adjust the AUDIO INPUT
LEVEL CONTROL (29) until the red LED indicator flickers only on the loudest inputs.
(Note: Observe care in selecting P.A. volume, transmitter location and speaker
placement so that acoustic feedback (howling and screeching) will be avoided.
Please also observe the pickup patterns of the microphone selected: omnidi-
rectional mics pick up sound equally from all directions and are prone to feed-
back if not used carefully. Unidirectional mics are more resistant to feedback,
but pick up sound sources best that are directly in front of the mic. Also, mics
that are farther from the sound source, such as lavaliers, require more acous-
tic gain and thus are also more prone to feedback than close-source mics such
as handheld or headworn mics that are used close to the mouth.)
22
Opening Battery Compartment
(Note: Microphone elements can easily be destroyed by the buildup of salts
and minerals from perspiration and saliva. It is good practice to put a wind-
screen on the mic element at all times to protect it.)
23
10
11
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