iwSA 500
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iwSA 500 Amplifier
O W N E R ’ S M A N U A L
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O W N E R ’ S
M A N U A L
iwSA 500
CONTENTS
2.0 WARNINGS
2.1 Important Safety Instructions
2.2 WARNING
2
6.0 CONNECTIONS
6.1 Input Connections
6.2 Connecting the Speaker
6.3 Cable Choice
7
2.3 CAUTION
3
4
INTRODUCTION
7.0 OPERATION
7.1 Operation Precautions
7
8
2.4 User Responsibility
2.4.1 Speaker Damage
2.4.2 Radio Interference
8.0 PROTECTION FEATURES
8.1 Limiter Function
3.0 APPROVALS
8
8
8
4
5
9.0 MAINTENANCE
10.0 TROUBLESHOOTING
11.0 WARRANTY
4.0 INTRODUCING THE iWSA 500
4.1 Unpacking
4.2 Front Panel
4.3 Rear Panel
12.0 Technical Specifications iwSA 500
9
5.0 INSTALLATION
5.1 Mounting
6
7
5.2 Operating Voltage
Thank you for selecting Tannoy developed by our dedicated team of design engineers, they are the choice of discriminating music and movie
lovers the world over. Excellence is designed into our loudspeakers and electronics from the start. Careful selection of the very best components
combined with strict quality control procedures during the production process ensures this level of excellence is maintained. We feel confident
that you will enjoy your new Tannoy loudspeakers/electronics for many years to come.
Please take time to read the rest of this owner’s guide before using your loudspeakers/electronics to gain maximum effect from their use. Once
you have installed your new loudspeakers/electronics please complete and return the registration document – this does not limit your legal rights.
INTRODUCTION
Many in-wall and ceiling loudspeaker are designed simply to reproduce sound without any consideration for ultimate audio quality
and vocal articulation. Not so with Tannoy installation products. Tannoy in-wall speaker systems are monitor quality speaker
systems based on the company’s expertise in the manufacture of premium quality cabinet loudspeakers and studio monitors.
The iwSA 500 amplifier was created specifically to maximize the inherent performance of your Tannoy inwall subwoofer. By carefully
matching the amplifier’s capabilities and performance criteria to the inwall subwoofer, Tannoy has enabled installers and end users
to carefully tailor the performance to the job at hand.
3
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TANNOY iwSA 500
2.4 USER RESPONSIBILITY
2.4.1 Speaker Damage
Your amplifier is very powerful and can be potentially dangerous to both, loudspeakers and humans alike. Many loudspeakers can be easily
damaged or destroyed by overpowering, especially with the high power available. Always check the speakers’ continuous and peak power
capabilities.
Even is the amplifier’s front panel attenuators can be used to reduce the gain, it is still possible to reach full output power if the input signal level
is high enough.
2.4.2 Radio Interference
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference from electrical equipment. This product uses radio frequency
energy and if not used or installed in accordance with these operating instructions, may cause interference `in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment on and off,
the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
3.0 APPROVALS
This equipment is tested and approved according to the Canadian Standards Association (CSA/C/US) and Federal Communications Commission
(FCC).
4
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TANNOY iwSA 500
4.0 INTRODUCTION
Thank you for purchasing a Tannoy power amplifier. This manual contains important information on operating your amplifier correctly and safely.
Please take some time and read this manual to familiarize yourself with the advanced features of this amplifier.
4.1 Unpacking
Carefully open the shipping carton and check for any noticeable damage. Every Tannoy amplifier is tested and inspected before leaving the factory
and should arrive in perfect condition. If found to be damaged, notify the shipping company immediately. Only the consignee may institute a claim
with the carrier for damage incurred during shipping. Be sure to save the carton and packing materials for the carriers inspection.
It is also advisable to save the carton and packing material, even if the amplifier is undamaged. Should you ever need to ship the amplifier, always
use original packaging.
4.2 Front Panel
1
2
3
4
5
6
LEVEL
CROSSOVER
FREQUENCY
PHASE
BYPASS
ON
POWER
CROSSOVER
AUTO
50
150
0
180
Figure 1: Front Panel
1. Input level attenuator
This control is used to alter the signal level entering the amplifier or to cut down the unwanted noise from the input signal.
2. Crossover frequency adjustment
Continuously variable from 50Hz - 150Hz, to allow custom integration with various mid/high units and installation positions.
3. Phase control
Continuously variable from 0° - 180° to allow custom integration with mid/high units in various installation positions.
4. Crossover / Bypass switch
Allows the low pass crossover to be taken out of the circuit so an external crossover can be used.
5. On/Auto switch
In the auto position the amplifier will go into sleep mode when there is no signal present for 20-30 minutes. On position defeats the sleep mode.
6. Power indicator
This blue LED indicates that there is power present at the amp and that the rear mounted power switch is on.
5
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TANNOY iwSA 500
4.3 Rear Panel
4
5
2
3
CAUTION
+
RISK OF ELECTRIC SHOCK
DO NOT OPEN
OFF
ON
1 SUB
RISQUE DE CHOC ELECTRIQUE
ATTENTION
NE PAS OUVRIR
5A 120V~60HZ
CAUTION:
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE
ONLY WITH SAME TYPE FUSE AND RATIN.G
OUTPUT 1
OUTPUT 2
LINE IN
LINE OUT
2 SUBS
ATTENTION:
UTILISER UN FUSIBLE DE RECHANGE
DE MEME TYPE ET CALIBRE.
LIMITER
FUNCTION
+
+
T5AL 250V
1
6
7
Figure 2: Rear Panel
1. Output / speaker connections
4 x Gold plated binding posts to allow the connection of speaker wires. A full description can be found on page 7.
2. Limiter function switch
Allows the proper limiter setting to be chosen when connecting 1 sub or 2 subs to the amplifier.
3. Line in connectors
2 x RCA connectors for an unbalanced input signal.
4. Line out connectors
2 x RCA connectors for an unfiltered output signal.
5. Power switch
Turns mains power on or off.
6. AC power connector
7. Fuse holder
Pull out to remove fuse. Replace with same type and rating of fuse.
6
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TANNOY iwSA 500
5.0 INSTALLATION
5.1 Mounting
The amplifier is two rack units high (2U) and will fit into a standard EIA 19” rack. Amplifiers should not be stacked directly on top of each other,
we recommend a space at least 3” for the top and sides with 5” on the back . When shelf mounted the height of the supplied feet is adequate.
5.2 Operating Voltage
WARNING!
A label just above the mains cable connector on the rear of the amplifier indicates the AC mains voltage for which the amplifier is wired. Connect
the power cable only to the AC source referred to on the label. The warranty will not cover damage caused by connecting to the wrong type of
AC mains.
6.0 CONNECTIONS
6.1 Input Connections
From an unbalanced source the hot (+) center conductor connects to the center pin of the RCA connector. The (-) shield connects to the chassis
of the RCA connector.
From a balanced source the hot (+) conductor connects to the center pin of the RCA connector. The cold (-) and the shield connect to the chassis
of the RCA connector.
6.2 Connecting The Speaker
Speaker connections are made via 4 gold plated binding posts. When connecting 1 subwoofer to the amplifier the (+) wire connects to the RED
(+) binding post of output #1. The (-) wire connects to the BLACK (-) binding post of output #2.
When connecting 2 Tannoy subwoofers one will connect to output #1. Negative (-) wire to BLACK binding post and positive (+) wire to RED binding
post. The second will connect to output #2. Negative (-) wire to BLACK binding post and positive (+) wire to RED binding post.
Never connect either output terminal to ground or to some other output or input terminal. Pay attention to speaker polarity; loudspeakers connected
out of polarity degrade sound quality, and may be damaged as a consequence.
6.3 Cable Choice
Always use the best quality of cable available within your budget. High quality audio signals passing from the amplifier to the loudspeaker are
unusual in their demands on the cable. Wide dynamic range and frequency bandwidth information has to coexist with the ability to transmit peak
currents of at least 10 Amps, without incurring any loss or signal impairment. This explains why the sound quality of the information reproduced
by the loudspeakers is so dependant on the physical properties of the cables connecting them to the amplifier.
Technically, we recommend two-core cable with cross section area not less than 1.5mm2 (14 gauge) for cable runs of up to 3 metres. For longer
lengths we would suggest that you use cable with a minimum cross sectional area of 2.5mm2 (12 gauge).
Keep the speaker cable leads as short as possible. Do not use shielded leads, such as microphone or guitar cable. Remember that the speaker
cable robs the power of the amplifiers in two ways: by increasing the load impedance and by introducing resistive power losses.
7.0 OPERATION
7.1 Operation Precautions
• Make sure that the power switch is set to “off” before connecting any input or output, or operating the switch on the rear panel.
• Make sure that the AC mains voltage is correct, and the same as the one printed on the rear panel of the amplifier.
• Make sure that the switch on the rear panel for limiter function is in the correct position.
7
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TANNOY iwSA 500
8.0 PROTECTION FEATURES
8.1 Limiter Function
The limiter function is included to prevent dangerous clipped signals reaching the speaker and damaging it. If an amplifier is severely overdriven,
its output waveform is clipped (its peaks are squared off) - reducing the crest factor. In extreme cases the waveform can approach that of a square
wave. An amplifier is normally capable of producing far more power under these conditions than its normal undistorted rated output power.
The Tannoy iwSA 500 Amplifier has two modes of thermal protection and an auto shut down when an internal fault is detected.
It is important to have the limiter function switch in the correct position for the number of subs connected, as it sets the amount of output power
before limiting occurs.
9.0 MAINTENANCE
Under normal use the amplifier should provide years of trouble-free service, with no maintenance required.
10.0 TROUBLESHOOTING
These are typical things to check if you think your amplifier is faulty:
FAULT: No power indicator light
• Check for proper voltage at receptacle.
• Make sure power cord is properly seated in connector on the rear of the amplifier.
• Check power switch on back of amplifier.
• Check fuse located in holder/drawer below power input connector on back of amp.
FAULT: No output
• If the power indicator light is on, verify that there is a usable signal on the input.
• Check position of level control knob on the front of the amplifier.
• Check speaker cable connections on the output binding posts for bad connections.
• Check speaker cables for possible short circuits.
FAULT: The amplifier does not respond even after having checked the above items.
In the unlikely event of a non-user rectifiable fault return the amplifier to your supplier, or an approved service center.
Tannoy cannot be held responsible for damage or injury as a result of the top or bottom cover being removed.
11.0 WARRANTY
No maintenance of Tannoy products is necessary.
All of our products have been produced and tested with care and precision to give first-class service.
All passive components are guaranteed for a period of five years from the date of purchase from an authorized Tannoy dealer subject to the
absence of evidence of misuse, overload or accidental damage.
All active and electronic components are guaranteed for a period of one year from the date of purchase from an authorized Tannoy dealer subject
to the absence of, or evidence of, misuse, overload or accidental damage.
If at any time during this warranty period the equipment proves to be defective for any reason other than accident, misuse, neglect, unauthorized
modification or fair wear and tear, we will repair any such manufacturing defect or, at our option, replace it without charge for labour, parts or return
carriage.
If you suspect a problem with a Tannoy product then, in the first instance, discuss it with your Tannoy dealer. If you require further assistance then
we ask that you deal directly with your local Tannoy distributor.
For spares and service in NORTH AMERICA only:
Contact: Customer Service Manager
Telephone: 519.745.1158
DO NOT SHIP ANY PRODUCT TO TANNOY WITHOUT PREVIOUS AUTHORIZATION
8
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12.0 TECHNICAL SPECIFICATIONS AND DRAWINGS
iwSA 500 SUBWOOFER AMPLIFIER
PERFORMANCE
Maximum Output Power
(1) (2)
500 Watts Continuous into 4 Ω
250 Watts Continuous into 8 Ω
Minimum Nominal
Load Impedance
4 Ω
Distortion
<1% @ Maximum Rated Output
20Hz - 500Hz (no filters or EQ)
>20 kΩ
Minimum Frequency Bandwidth
Input Impedance
Current Draw at 4 Ω
FRONT PANEL
5 Amps
Level Control
Adjusts Input Signal Level
50Hz - 150Hz
Crossover Frequency Adjustment
Phase Control
0° - 180° Continuously Variable
Engages or Disengages Low Pass Filter
On Continuous / Sleep Mode
Blue LED
Crossover/Bypass Switch
On/Auto Switch
Power On Indicator
REAR PANEL
Input Connectors
2 x RCA
Link Connectors
2 x RCA
Output Connectors
Mains Voltage Connector
Mains Voltage Fuse Holder
REAR PANEL SWITCHES
Power Switch
4 x Gold Plated Binding Postings
120 Volt IEC - 2 Conductor
T5AL, 250 Volt
Limiter Function
Switchable 1 Sub or 2 Sub (See Page 9.)
DIMENSIONS
incl. Feet & Rack Ears
Net Dimensions (HxWxD)
99 x 483 x 372 (37/8 x 19 x 145/8
208 x 538 x 445 (83/16 x 213/16 x 171/2
)
Shipping Dimensions (HxWxD)
)
WEIGHT
Net Weight (each) - kgs (lbs)
6.8 (15)
Shipping Weight (each) - kgs (lbs) 8.6 (19)
NOTES
APPROVALS
(1) Thermal protection may occur at high continuous power.
CSA C/US & FCC
(2) Depending on configuration, output power may be lower due to limiting circuit.
427
8
7
(16
/
)
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
+
LEVEL
CROSSOVER
FREQUENCY
PHASE
OFF
ON
1
SUB
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
BY PASS
ON
POWER
ATTENTION
5A 120V~60HZ
90
2
CAUTION:
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE
CROSSOVER
AUTO
1
ONLY WITH SAME TYPE FUSE AND RATING.
(3
/
)
OUTPUT
+
1
OUTPUT
+
2
LINE IN
LINE OUT
2
SUBS
ATTENTION:
UTILISER UN FUSIBLE DE RECHANGE
DE MEME TYPE ET CALIBRE.
50
150
0
180
LIMITER
FUNCTION
T5AL 250V
9
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iwSA 500
Tannoy United Kingdom T: +44 (0) 1236 420199
Tannoy North America T: (519) 745 1158
F: +44 (0) 1236 428230
F: (519) 745 2364
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