Specifications
325UPR Receiver
Frequency Range
UHF 188 Selectable Frequencies (566.125-589.875MHz)
Type of Reception
Oscillator
RF Squelch Level
Frequency Response 50Hz – 15kHz
S/N Ratio
Audio Out
Dual-channel Receiver
PLL Synthesized
-95dBm
325 SYSTEM
User’s Guide
>57dB (±5kHz) “A” Weighted
MIC Level – unbalanced – 3.5mm Mini-Jack
-64 dBm – 600 ohms @ ± 5kHz deviation
-28 dBm – 600 ohms @ ± 40kHz deviation
2 “AA” Alkaline (2 x 1.5V) - 3-4 hours runtime
2 “AA” rechargeable Ni-MH (2 x 1.2V)
6VDC @ 0.5A
325UPR • 35BT • 35HT • 35XT
DUAL-CHANNEL ON-CAMERA
UHF WIRELESS MICROPHONE SYSTEM
Batteries
External Power
Dimensions
Weight
2.87"W x 4.45"H x 1.59"D (73 x 113 x 40.5 mm)
Approx. 10.2oz (290g) w/batteries
35BT
Body-pack Transmitter
Frequency Range
Oscillator
UHF 188 Selectable Frequencies (566.125-589.875MHz)
PLL Synthesized
25mW
RF Power
Frequency Response 50Hz – 15kHz
Max. Deviation
±40kHz @ 1kHz Modulation, MIC Input – 11dBm
Batteries
2 “AA” Alkaline (2 x 1.5V) – 6-8 hours runtime
2 “AA” rechargeable Ni-MH(2 x 1.2V)
2.52"W x 3.93"H x 1.106"D (64 x 100 x 27 mm)
Approx. 6oz (170g) w/batteries
Dimensions
Weight
35XT
Plug-In Transmitter
Frequency Range
Antenna
UHF 188 Selectable Frequencies (566.125-589.875MHz)
Internal
Max. Input level
RF Power
-16dBm
25mW
Input Impedance
Audio Adjust. Range
Battery
25k ohms
-65dBm to 46dBm
2 “AA” Alkaline (2 x 1.5V) – 6-8 hours runtime
2 “AA” rechargeable Ni-MH(2 x 1.2V)
1.57"W x 1.57"H x 4.49"L (40 x 40 x 114 mm)
Approx. 6.35oz (180g) w/battery
Dimensions
Weight
35HT
Handheld Microphone/Transmitter
Frequency Range
Oscillator
UHF 188 Selectable Frequencies (566.125-589.875MHz)
PLL Synthesized
RF Power
25mW
Frequency Response 50Hz – 15kHz
Max. Deviation
Batteries
±40kHz @ 1kHz Modulation, MIC Input – 65dBm (dev ±5kHz)
2 “AA” Alkaline (2 x 1.5V) – 8-10 hours runtime
2 “AA” rechargeable Ni-MH (2 x 1.2V)
Φ1.89" x 9.2"L (48 x 234.5 mm)
Dimensions
Weight
Approx. 9.5oz (270g) w/batteries
Due to constant improvements, specifications are subject to change without notice.
Azden Corporation, 147 New Hyde Park Road, P.O. Box 10, Franklin Square, NY 11010
tel - 516.328.7500 • fax - 516.328.7506 • email - [email protected]
© 2008 Azden Corporation
P1070-03
Printed in USA
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Once the microphone is plugged into the 35XT the locking ring should be rotated
clockwise until snug. To remove the microphone, first rotate the locking ring
counterclockwise and then, while pressing the XLR release, pull the microphone
away from the 35XT.
Thank you for purchasing Azden’s 325 wireless microphone system. Depending on
which system you ordered this package will contain one or more of the following compo-
nents: the 325UPR receiver, the 35BT body-pack transmitter with EX-503L lavalier mi-
crophone, the 35XT XLR plug-in transmitter and/or the 35HT handheld microphone
transmitter. This equipment is designed primarily for video cameras but is usable with
most electronic components having a microphone level input. The 325UPR allows you to
“receive” audio from two different transmitters at the same time.
(21) MIC Input LEVEL Control:
The MIC input LEVEL control enables you to adjust the input level of the connected
microphone. Using the supplied tool, turn the dial clockwise to increase, or
counterclockwise to decrease the input level.
RECEIVER (325UPR)
(1) Remove the battery compartment lid by sliding it down.
(22) LCD Display:
This display shows the following information:
(2) Insert two fresh Alkaline* “AA” batteries into the compartment. Make sure the battery
polarity is correct as marked inside the battery compartment.
TV:Transmit Channel Number: 30:01 – 33:47
Battery Condition: Using a 3 step indicator - 1 (Low) to 3 (High)
*Alkaline batteries are preferred, but you can use Azden’s 1HR-3U rechargeable Ni-MH batteries.
To change the TV:Transmit channel number: Use the tip of the tool provided and press
the UP or DOWN button to the desired channel, number appears (refer to the included
chart). Once the desired TV:Transmit channel number has been selected on the
transmitter, set the receiver to the same number.
(3) POWER:
Switches the receiver “ON” or “OFF”.
(4) MIC OUT jack:
The 325UPR is supplied with both a mini-to-mini and a mini-to-dual XLR cable.
The TV:Transmit channel display is made of two parts. The first number is the actual TV
channel (30-33) and the second is the “transmit channel” number (01-47).
For mini jack microphone inputs: Use the supplied mini-to-mini cable. Plug one
end of the cable into the receiver and the other end of the cable into the micro-
phone input of the video camera.
HANDHELD MICROPHONE/TRANSMITTER (35HT)
For 3-pin XLR microphone inputs: Use the supplied mini-to-dual XLR cable. Plug
the mini-plug end of the cable into the receiver (use the screw-down sleeve to se-
cure it to the receiver) and plug the XLR ends of the cable into the microphone
inputs of the video camera. Ch.1 is on the “Tip” while Ch.2 in on the “Ring”.
(23) Remove the battery compartment cover by rotating it counterclockwise and sliding it
down.
(24) Insert two freshAlkaline* “AA” batteries* into the compartment. Make sure the battery
polarity is correct as marked inside the battery compartment.
(5) LCD Display:
The twin LCD display will light up when the power is turned “ON”. The LCD displays
show the following information.
*WhileAlkaline batteries are preferred, you can use rechargeable Ni-Cd or Ni-MH batteries.
In the battery compartment you will also find #25 and #26:
TV:Receive Channel Number: 30:01 – 33:47
Battery Condition: Using a 3-step indicator - 1 (Low) to 3 (High)
Reception Level: Using a 4-step indicator - 1 (Low) to 4 (High)
(25) MIC LEVEL Control:
The MIC LEVEL control enables you to adjust the audio level of the microphone. Using the
supplied tool, turn the dial clockwise to increase, or counterclockwise to decrease the
microphone’s audio level.
To change the TV:Receive channel number, use the tip of the tool provided and press
the UP or DOWN button until the desired channel number appears (refer to included
chart). Once the desired TV:Receive channel number has been selected on the receiver,
set the transmitter to the same number.
(26) UP/DOWN Channel Buttons:
To change the channel number, use the tip of the tool provided and press the UP or DOWN
button until the desired channel number appears. Once the desired channel number has
been selected on the transmitter, set the receiver to the same channel number.
4
The TV:Receive channel display is made of two parts. The first number is the actual TV
channel (30-33) and the second is the “receive channel” number (01-47)
1
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Note: When using two transmitters with the 325UPR please do the following:
(14) MIC Input Jack
Plug the supplied EX-503L microphone into the MIC input jack and tighten the collar until
snug (DO NOT OVERTIGHTEN). In addition to the EX-503L, other lapel and/or headset
microphones with 3.5mm mini plugs can also be used with the 35BT.
A) Make sure that you use 2 different channel numbers that are at least 10 numbers
apart. This will prevent possible crosstalk between the 2 channels being used. For ex-
ample: If you use TV:Receive channel number 30:10 for one transmitter, use channel
number 30:20 for the other transmitter. The 2 channels on the receiver must also be set
on the numbers 30:10 and 30:20.
(15) LCD Display:
This display shows the following information:
B) The system will operate properly if both transmitters are in close proximity to each
other, however make sure that both transmitters are at least 10 feet away from the re-
ceiver, this will prevent the frequencies from overlapping.
TV:Transmit Channel Number: 30:01 – 33:47
Battery Condition: Using a 3 step indicator - 1 (Low) to 3 (High)
To change the TV:Transmit channel number: Use the tip of the tool provided and press
the UP or DOWN button to the desired channel, number appears (refer to the included
chart). Once the desired TV:Transmit channel number has been selected on the trans-
mitter, set the receiver to the same number.
(6) PHONE jack:
Plug a stereo headphone into this jack to monitor sound - Ch. 1 will be heard on the left,
Ch. 2 on the right.
(7) DC 6 Volt Input: An optional charger/power supply and rechargeable batteries are
available for the 325UPR. For additional information or to order these products please
The TV:Transmit channel display is made of two parts. The first number is the actual TV
channel (30-33) and the second is the “transmit channel” number (01-47).
*While Alkaline batteries are preferred, you can use rechargeable Ni-Cd or Ni-MH batteries.
NOTE: Using a power supply of the wrong voltage/current may damage the unit
and void the warranty.
(16) AUDIO:
Prior to first turning the 35BT “ON” it is best to set theAUDIO switch to “OFF”. When you
are ready to begin transmitting, switch to “ON”. The “OFF” position acts as a “mute” that
maintains the RF signal but turns off the audio
(8) Shoe Stand:
Attach the 325UPR to the shoe-mount of the video camera by sliding it into place. Turn
the thumbwheel clockwise to tighten. Reverse this procedure to remove the 325UPR
from the camera.
XLR PLUG-IN TRANSMITTER (35XT)
(17) Open the battery compartment lid and insert two fresh “AA”Alkaline* batteries. Make
sure the battery polarity is correct as marked inside the battery compartment
(9) Antennas: For best reception the antennas should be pointed in an upward fashion.
Use caution, and do not force them into this position.
BODYPACK TRANSMITTER (35BT)
*WhileAlkaline batteries are preferred, you can use rechargeable Ni-Cd or Ni-MH batteries.
(10) Remove the battery compartment lid by sliding it down.
(18) POWER:
Switches the transmitter “ON” or “OFF”.
(11) Insert two fresh “AA”Alkaline batteries* into the compartment. Make sure the battery
polarity is correct as marked inside the battery compartment.
(19) AUDIO:
In addition to the battery, inside the battery compartment you will find:
(12) MIC Input LEVEL Control:
Prior to first turning the 35XT “ON” it is best to set theAUDIO switch to “OFF”. When you
are ready to begin transmitting, switch to “ON”. The “OFF” position acts as a “mute” that
maintains the RF signal but turns off the audio.
This control enables you to adjust the input level of the microphone. Using the supplied tool,
turn the dial clockwise to increase, or counterclockwise to decrease the input level.
(20) MIC Connector/Locking Ring:
This 3-pin XLR connector is the microphone input. Any low impedance microphone with a
corresponding connector can be attached here.
(13) POWER:
Switches the transmitter “ON” or “OFF”.
2
3
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