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A
APS 25 SPECIFICATIONS
Rated Power 20 watts continuous
Frequency Response 65Hz – 18kHz
Max SPL @ rated output 101dB @ 1 meter
Woofer 5.25" (133.35mm) high efficiency
magnetically shielded
Tweeter 1" (25mm) dome
Crossover 1
Tone Control -6dB/octave sliding lowpass (3kHz to 8kHz)
Wireless inputs 2 user-installable receivers
VHF (169-213MHz) – 30 fixed
UHF (794-806MHz) – 63 user-selectable
Infrared – 2 fixed
Wired inputs/output
Mic -81dBV (0.089mV
100K
Line -40dBV (10mV
10K
Line-Out +15dBV max - RCA jack
Weight 8.5lb (3.85kg) approx. w/out receivers
Dimensions 12.4"H x 7.09"W x 5.6"D (315 x 180 x 142mm)
Compliance UL, C-UL, and FCC approved
C Power Requirements User switchable
110-125 / 210-240VAC - 50Hz / 60Hz
Included w/speaker Removable wall-mount bracket with 2 screws
and rubber anti-rotate pads, removable right-angle
AC cord, 4 self-adhesive anti-skid pads, 4 module
screws, 1 or 2 noise-canceling circuit boards
(depending on how many modules are installed)
st
order passive @ 8kHz
) for 1 watt
unbalanced, ¼" phone jack, variable
Ω
unbalanced, RCA jack, variable
Ω
RMS
) for 1 watt
RMS
APS 25
MULTI-PURPOSE / MULTI-FUNCTION POWERED SPEAKER SYSTEM
USER’S GUIDE
AZDEN Corp., P.O. Box 10, 147 New Hyde Park Road, Franklin Square, NY 11010
azdenUS@azdencorp.com [email] • www.azdencorp.com [on the web]
516.328.7500 [vox] • 516.328.7506 [fax]
- Specifications subject to change without notice -
© 2004 Azden Corp. • Printed in USA25-1002
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Warning: To prevent shock hazard do not open or remove speaker/speaker grill.
4. Power Cord Protection - Power supply cords should be
routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs or convenience re-
ceptacles.
5. Ventilation - A metal heatsink is provided for heat dissipation. To ensure reliable operation of the speaker and
to protect it from overheating, this heatsink most not be
blocked or covered. Do not place this speaker in a builtin installation such as a bookcase or rack unless proper
ventilation is provided.
(the lighting flash with arrowhead symbol within an
equilateral triangle) is intended to alert the user to the
presence of uninsulated "dangerous voltage" within
the product's enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to
persons: and (the explanation point within an
equilateral triangle) is intended to alert the user to the
presence of important operating and maintenance
(servicing) instructions in the literature accompanying
the product.
WARNING:
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT
EXPOSE THIS UNIT TO RAIN OR MOISTURE.
CAUTION:
This powered speaker should be used with either 110-125VAC / 210240VAC - 50Hz/60Hz only. DO NOT use any other power source.
IMPORTANT
SAFETY
INSTRUCTIONS
Electrical energy can perform many useful functions. But
improper use can result in potential electrical shock or
fire hazards. This product has been engineered and
manufactured to assure your personal safety. In order
not to defeat the built-in safeguards, observe the following basic rules for its installation, use and servicing.
ATTENTION:
Follow and obey all warnings and instructions marked
on your speaker and its operating instructions. For safety,
please read all the safety and operating instructions before you operate this speaker and keep this booklet for
future reference.
INSTALLATION
1. Polarization - Your speaker equipped with a polarized
alternating current line plug (a plug having one blade
wider than the other). This plug will fit into the power
outlet only one way. This is a safety feature.
If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit,
contact your electrician to replace your obsolete outlet.
Do not defeat the safety purpose of the polarized plug.
2. Power Sources - Operate your speaker only from the
type of power indicated at the voltage selector switch on
the rear panel. If you are not sure of the type of power
supply at your site, consult with the local power company.
3. Overloading - Do not overload wall outlets, extension
cords, or integral convenience receptacles as this can
result in a risk of fire or electrical shock.
6. Wall Mounting - Mount this speaker to the wall or stand
only as recommended by the manufacturer.
USE
1. Accessories - To avoid personal injury:
•Do not place this speaker on an unstable cart, stand,
tripod, bracket, or table. It may fall, causing serious injury and serious damage to the speaker.
•Use only with a cart, stand, tripod, bracket or table
recommended for this purpose or included by the manufacturer. When using the included bracket, follow the
manufacturer’s instructions for mounting the
speaker.
2. Wall or Ceiling Mount - The product should be
mounted to the wall or ceiling only as recommended
by the manufacturer.
3. Speaker and Cart Combination - A speaker and
cart combination should be moved with care. Quick
stops, excessive force, and uneven surfaces may
cause the speaker and cart combination to overturn.
4. Water and Moisture - Do not use this speaker near or in
water or in an extremely moist environment.
5. Cleaning - Unplug the speaker from the wall outlet before cleaning. Do not use liquid or aerosol cleaners.
Use a damp cloth for cleaning.
6. Heat - Situate the speaker away from heat sources
such as radiators, heat registers or other heat producing items.
7. Attachments - Do not use attachments not recommended by the product manufacturer as they may cause
hazards.
8. Replacement Parts - When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the
same characteristics as the original part. Unauthorized
substitutions may result in fire, electric shock, or other
hazards.
9. Safety Check - Upon completion of any service or repairs to this product, ask the service technician to preform safety checks to determine that the product is in
proper operating condition.
10. Damage Requiring Service - Unplug this product from
the wall outlet and refer servicing to qualified service
personnel under the following conditions:
a) When the power-supply cord or plug is damaged,
b) If liquid has been spilled, or objects have fallen
into the product,
c) If the product has been exposed to rain or water,
d) If the product does not operate normally by following the operating instructions. Adjust only those controls
that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified
technician to restore the product to its normal operation,
e) If the product has been dropped or damaged in
any way, and
f) When the product exhibits a distinct change in performance - this indicates a need for service.
(5) 3-Position Switch
left position:OFF - Middle position:STANDBY - Right position:ON
In the “STANDBY” position, the audio is muted.
(6) LED Indicator
Red when the switch is in “STANDBY” position - Green in “ON” position.
(7) Audio Output Connector
This 3.5mm mono connector is where the mic is plugged in. This connector was designed to be used with a special “screw-down” connecting jack
that eliminates the possibility of the jack being accidentally pulled out. A
standard 3.5mm mono jack can also be used but will not afford the extra
protection.
(8) Metal Belt Clip
Used to attach the 32BT securely to a belt.
NOTE: Remove the battery if the transmitter is not used for a long period of time.
AAPS 25 using wall-mount bracket
page 9
Page 3
(7) Level:
Turn clockwise to increase, or counterclockwise to decrease the input level.
A small screwdriver is supplied to make adjustments. The level control is
factory-preset in the center position.
NOTE: Remove the battery if the transmitter will not be used for a long period of
time.
32BT Body-pack transmitter with lavalier microphone:
(1) Open the battery compartment lid by sliding it in the direction indicated
and raising it.
(2) Insert one fresh Alkaline 9-volt battery into the compartment. Make sure
battery polarity is correct.
(3) Frequency Label
The Frequency label indicates what frequency (in MHz) the transmitter
broadcasts on. The AZDEN receiver in use must also be on the same
frequency.
Introduction
Congratulations. You have chosen one of the most versatile powered
loudspeaker systems on the market today. The Azden
phisticated 4-channel mixable speaker system that allows you to utilize
two different wireless inputs in addition to a wired microphone and a linelevel input - all at the same time if needed. The master, front mounted,
volume knob controls the overall level of all four inputs simultaneously.
Housed in a high-impact polycarbonate cabinet, the APS 25 can be
wall mounted using the included bracket, stand-mounted or simply placed
wherever needed. The Auto On/Off circuitry makes using the APS 25
simple and convenient.
To get the most from your new APS 25 Speaker System be sure to
carefully read this user’s guide, paying particular attention to the receiver
module(s) installed and the transmitter(s) you’ve chosen.
Again, congratulations, and thanks for choosing Azden®.
®
APS 25 is a so-
Contents
Cautions and Safety Information
Introduction
APS 25 rear panel diagrams
Installing an APS module
APS 25 inputs/output and controls
Mounting the APS 25
Using APS VR module and VHF transmitters
Specifications
inside front cover
page 1
page 2
page 3
page 3-4
page 4
page 5-9
back cover
(4) Audio Input Level Control
Turn clockwise to increase, or counterclockwise to decrease the input
level. A small screwdriver is supplied to make adjustments. The level
control is factory-preset in the center position.
AAPS VR VHF receiver module
page 1page 8
Page 4
31XT Plug-in transmitter adaptor:
Note:The 31XT is designed to turn any wired dynamic metal-body microphone
that has an XLR output into a wireless microphone.
Connecting the 31XT:
Disconnect the microphone cable from the microphone by pushing down on the
1
release button where the microphone and cable connect. Connect the 31XT by
lining up the pins on the microphone with the holes on the transmitter, and insert.
Push the 31XT into the microphone until it locks into place.
Removing the 31XT:
Push down on the release button and pull out.
3
2
5
4
6
7
(1) Turn the bottom half of the case counterclockwise until it is completely off.
8
(2) Insert one fresh alkaline “AA” battery into the compartment. Make sure
battery polarity is correct. Replace the bottom half of the case and turn
clockwise until snug. DO NOT OVERTIGHTEN.
11
9
10
12
B
A
page 2 page 7
C
(3) Frequency Label:
The frequency label indicates what frequency (in MHz) the transmitter broadcasts on. The AZDEN receiver in use must also be on the same frequency.
(4) Power Off/On:Switches the transmitter off or on.
(5) Audio Off/On:
Slide the switch to “On” for normal operation. Slide it to “Off” to mute the
audio.
NOTE: When turning the transmitter on, slide the Power “On” first, and then slide
the Audio to “On”. When turning the transmitter off, first slide the Audio to “Off”.
(6) LED:
RED when Power is “On” and Audio is “Off”. GREEN when Power and Audio
are both “On”.
Page 5
(6) 3-Position Switch
Left position:OFF - Middle position:STANDBY - Right position:ON
In the “STANDBY” position, the audio is muted.
(7) LED Indicator
RED when switch is in “STANDBY” position - GREEN in “ON” position.
NOTE: Remove the battery if the transmitter will not be used for a long period of
time.
31HT Handheld Microphone Transmitter:
Installing an APS module... (see photo - page 1)
All APS modules install into the APS 25 in the same manner. To
install, first remove the blank panel by loosening the two retaining thumb
screws. Next remove the “shorting board” by pulling it straight out. Now,
simply slide the module into the slot and lightly press until the connector
in the rear engages and the front panel is flush. Last, replace the two
thumb screws and tighten snugly. Any APS module can be inserted into
either slot. Save the “shorting board(s)” for possible later use.
NOTE: If you purchased your APS 25
have already been installed.
with one or two modules, they
(1) Turn the bottom half of the microphone case counterclockwise until it is
completely off.
(2) Insert one fresh Alkaline “AA” battery into the compartment. Make sure bat-
tery polarity is correct. Then replace bottom half of microphone case and
turn clockwise until snug. DO NOT OVERTIGHTEN.
(3) The frequency label indicates what frequency (in MHz) the transmitter broad-
casts on. The AZDEN receiver in use must be on the same frequency.
(4) 3-Position Switch
Bottom position:OFF - Middle position:STANDBY - Top position:ON
In the “STANDBY” position, the audio is muted.
(5) LED indicator
RED when the switch is in “STANDBY” position - GREEN in “ON” position.
NOTE: Remove the battery if the transmitter is not used for a long period of time.
The APS 25 Inputs/Outputs and Controls...
A. MASTER VOLUME CONTROL - controls the overall volume of the
APS 25 as well as the LINE OUT (8) connector.
B. TONE - this is a variable frequency high-cut tone control that is pri-
marily used to reduce high-frequency feedback. The control is
essentially flat when turned fully clockwise and reduces more high
frequencies as it is rotated counterclockwise.
C. LED - displays the power state of the speaker. See (4) for details.
1. CHAN A slot - any module can be installed here.
2. CHAN B slot - any module can be installed here.
3. MIC INPUT - plug a wired dynamic microphone in here. This 1/4 inch
jack is designed to accept a low impedance microphone. The input
volume is controlled by the MICROPHONE LEVEL knob (5).
4. OFF/AUTO/ON switch - this controls the power for the speaker after
the MASTER AC SWITCH (12) is placed in the ON position.
• The speaker is essentially OFF with this switch in the OFF position.
The front panel LED (C) will glow Red.
• The speaker will come ON from its standby mode automatically when
any signal is sensed when the switch is in the AUTO position. The
LED (C) will turn from Red to Green. 10 minutes after all audio stops
the speaker will return to its standby mode and the LED (C) will return to Red.
• The speaker is ON at all times when the switch is in the ON position.
The LED (C) will glow Green.
5. MIC LEVEL - this knob controls the input volume of the microphone
plugged into the MIC INPUT (3). It is always good practice to leave
the control turned all the way down (full counterclockwise) when no
microphone is being used.
6. LINE LEVEL - this knob controls the input volume of anything plugged
into the LINE IN (7) jack.
page 3page 6
Page 6
7. LINE IN - this mono RCA jack is designed to accept audio from
devices such as CD players, video tape players or anything else with
a line-level audio output. The input volume is controlled by the LINE
LEVEL knob (6).
8. LINE OUT - this mono RCA jack provides line-level audio to drive
additional speakers or other audio devices with a line-level input.
The level is controlled by the MASTER VOLUME CONTROL (A) on
the front panel. If this output is used to drive the LINE IN (7) of a
second APS 25, the MASTER VOLUME CONTROL (A) will control
Using an APS VR module and VHF Transmitter(s)...
The APS VR receiver module comes pre-adjusted to one of 30 different VHF frequencies between 169MHz and 213MHz. The particular
frequency(s) you have were chosen to not interact/interfere with TV stations in your area. After installing the module (page 2) you will have to
attach the antenna and position it as close to vertical as possible. The
volume control on the module adjusts the input volume of that particular
module. Try to keep it set near its mid point for best performance.
the overall volume of both speakers.
9. AC JACK - this is where the removable AC plug is attached to the
speaker. The AC plug is polarized and will only attach one way.
10. AC FUSE - the replaceable AC fuse is housed here. Follow the marking on the panel for proper replacement if needed (0.5A for 210-
Transmitters...
Model 31LT: Lavalier microphone with body-pack transmitter. Ideal for speaking
applications such as Lecturers, Actors, Actresses, etc.
240VAC use or 1.0A for 110-125VAC use).
11. AC VOLTAGE SELECTOR - set down when used with 110-125VAC
(US and other areas) and up when used with 210-240VAC (Europe
and other areas). Be sure to check your local voltage before adjusting the selector. The speaker is shipped from the factory set in the
110-125VAC position and with a cable designed for that voltage.
Mounting the APS 25
• Wall Mounting
(see photo - page 9)
The APS 25 is supplied with a wall mounting bracket. It can be attached to the speaker via the built-in 1/4
and bottom of the speaker using the included large screws. Supplied
rubber pads can be applied to the inside surface of the bracket to protect
the speaker surface from scratching and reduce the possibility of the
" X 20 threaded holes on the top
(1) Open the battery compartment lid by sliding it down and raising it.
(2) Insert one fresh Alkaline 9-volt battery into the compartment. Make sure the
battery polarity is correct.
speaker rotating in the bracket. The bracket can be attached to the desired surface using a number of different fasteners. Be sure to use fasteners that are appropriate for the surface you are mounting to and that can
support the speaker’s weight. Once the desired position is achieved, tighten
(3) Frequency Label
The Frequency label indicates what frequency (in MHz) the transmitter broad
casts on. The AZDEN receiver in use must also be on the same frequency.
the screws securely.
• Stand Mounting
The APS 25 has two industry-standard 5/8" x 27 threaded inserts moul-
ded into the cabinet - one on the bottom and one on the side. These allow
(4) 31LT lavalier mic:
Clips onto a tie, lapel, etc. The transmitter’s cable doubles as an antenna.
Extend the cable as much as possible for the best performance.
the speaker to be securely mounted to a stand (such as a microphone
stand). Be sure to tighten the speaker securely to the stand. Also, be sure
that the stand can support the weight of the speaker and that it will be
stable with that weight attached.
• Flat surface
(5) Audio Input Level Control
Turn clockwise to increase, or counter-clockwise to decrease the input level.
A small screwdriver is supplied to make adjustments. The level control is
factory-preset in the center position.
Four self-adhesive anti-skid pads can be applied to the bottom or side
of the speaker to help stop it from moving when placed on a flat surface.
page 4 page 5
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