Install in accordance with these Wharfedale Pro operating instructions
ers and processors
Do not install near heat sources such as radiators, heat registers, stoves or any other apparatus that produces
heat (for example lighting systems and ampli ers)
Use only accessories speci ed or supplied by Wharfedale Pro
Do not use shielded microphone/instrument cables to connect ampli ers and speakers, use only approved
speaker cables with proper connectors
Use caution with placement and operation of this speaker system, permanent hearing damage can be caused
by prolonged exposure to excessive sound pressure levels
Refer all servicing to quali ed professionals. Servicing is required when the loudspeaker has been damaged in
any way, such as impact damage, liquid ingress or foreign object damage. In addition the loudspeaker should be
referred to quali ed service personnel if there is any kind of malfunction.
Rigging, suspending and mounting should only be attempted by experience quali ed professionals.
Incorrect usage can result in damage to equipment and property, injury and even death. Under no
circumstances should you attempt to rig, suspend or mount these speakers unless you are fully
ed and certi ed to do so by relevant local, state and national authorities. If you are not
quali
properly quali
Consult a structural engineer before suspending a speaker system and ensure that the total weight
of your system can be held by the truss or mounting surface.
ed or do not know of pertinent regulations consult quali ed personnel for advice.
Inspect all mounting hardware before rigging, suspending or mounting. If there is any damage or
distortion to any mounting hardware do not proceed until any damaged hardware is repaired or
replaced.
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INTRODUCTION
The i series are two-way high performance speaker systems designed for distributed music,
paging and speech applications.
Each model features a quality low frequency transducer and a 1" dome tweeter housed in a
durable ABS enclosure with a full protective frontal grille. All i series speakers are also supplied
with a sturdy wall mounting bracket.
i8, i6 and i4 are low-impedance 8Ω models and i8T, i6T and i4T feature internal transformers
for use with 70/100V installations.
i8 / i6
Black or white, 8 Ohms, 50 Watts RMS
i4
Black or white, 8 Ohms, 25 Watts RMS
i8T / i6T
Black or white, 50 Watts RMS, 70/100 Volt transformer included.
i4T
Black or white, 25 Watts RMS, 70/100 Volt transformer included.
PRODUCT FEATURES
The i series are fitted with 4 threaded inserts on the rear for attaching the supplied mounting
bracket. Access to the mounting points is gained by removing the four screws and the blank
cover plate. There is also a threaded insert for attachment of a seismic restraint tether.
i6 and i8i6 and i8
Seismic restraint points
i4
Mounting points for
supplied brackets
Mounting points for
other brackets
Amplier inputs
Input terminals
Power Tap
Selector
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SUPPLIED PARTS
A complete installation kit designed to work with the mounting brackets is included with each
model and consists of….
Please ensure that you are familiar with all of the parts and how they are assembled before
commencing the installation.
1
2
5
3
4
6
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INSTALLATION
STEP 1 - Install bracket to wall using suitable fasteners
STEP 1a - Remove the four screws holding the cover plate (2) on the rear of the speaker.
STEP 1b - Mount the bracket with the threaded bolt to the cabinet using the four screws removed
in step 1 (4)
STEP 2 - Please the rubber friction washer over the bolt.
STEP 3 - When the speaker is ready for installation, insert the bolt in the wall plate bracket from
below.
STEP 4 - Place the dome cover over the bolt
STEP 5 - Place the lock washer and hex nut on the bolt. Tighten gently while positioning the
speaker as required. Then tighten firmly.
STEP 6 - Ensure that the seismic restraint cable is firmly attached to both the loudspeaker and an
anchor point on the mounting surface.
STEP 1
STEP 3
STEP 6
STEP 1b
STEP 4
FINISH
STEP 2
STEP 5
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LOW IMPEDANCE (8Ω) CONNECTIONS (i8, i6 and i4 models)
The i8, i6 and i4 are fitted with two terminals for the (+) and (-) incoming amplifier feed and two
terminals for connection to the next speaker if used.
Speakers should be wired in parallel as per the table below. Ensure that the total impedance
of connected speakers does not fall below the minimum impedance of the connected amplifier.
The following table shows the net impedance when several speakers are combined in parallel.
Number of Speakers in Parallel Combined Impedance
18Ω
24Ω
32.6Ω
42Ω
70 / 100v CONNECTIONS (i8T and i6T models)
The i8T and i6T are fitted with two terminals for the (+) and (-) incoming amplifier feed and two
terminals for connection to the next speaker if used.
Speakers should be wired in parallel as shown below. Wattage taps to each individual speaker
are set by means of the rotary selector switch. Ensure that the total wattage required by all
speakers does not exceed the available wattage of the connected amplifier.
CAUTION : Note that the wattage taps are labelled for 70v and 100v amplifiers. Ensure that you
select the correct tap based on the connected amplifier.
FROM
AMPLIFIER
Select the wattage tap by dividing the amplifier’s maximum available power by the number of
speakers to be connected. Always select the next lower wattage tap. For example…
TO NEXT
SPEAKER
200w amplifier / 20 speakers = 10 watts. Use the 7.5w terminal.
Individual speakers may be tapped higher or lower in order to better balance the system sound
pressure level in different areas. Ensure that the combined power draw does not exceed the
maximum rated power of the amplifier or damage to the amplifier and speakers could occur.
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i4 Low impedance (8Ω) connections
Low impedance models are fitted with two terminals for the (+) and (-) incoming amplifier
feed and two terminals paralleled to the next speaker.
Speakers may be wired in parallel as shown below. Ensure that the total impedance of
connected speakers does not fall below the minimum impedance of the connected amplifier.
The fllowing table shows the net impedance when several speakers are combined in parallel.
Number of Speakers in Parallel Combined Impedance
1
2
3
4
8Ω
4Ω
2.6Ω
2Ω
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70 / 100V CONNECTIONS - i4T
The 70/100V i4T model uses one terminal for the Common (-) connection and the other
three terminals for the transformer power taps. The i4T offers taps at 25W/12 5W/6.25W
i4T
NOTE:
Power taps are labeled for 70V operation. Connection of 100V amplifiers requires use of the
next lower wattage tap to prevent damage to the speaker. See chart below.
Model : i4T
Tap Label70V100VImpedance Ω
25W
12.5W
6.25W
25W
12.5W
N/C200
25W
12.5W6.25W
400
800
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Connect speakers in parallel as shown below:
Select the power tap by dividing the amplifer's available power by the number of speakers
to be connected and then selecting the next lower wattage tap. For example:
200W amplifier ÷ 20 speakers= 10 Watts; use the 7.5W terminal
Individual speakers may be tapped higher or lower in order to better balance the system
sound pressure level in different areas. Ensure that the combined power draw does not
exceed the maximum rated power of the amplifier or damage to the amplifier and speakers
could occur.
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KNOB MARKINGS i6T and i8T
Take note of the black arrows
on both side of the knob.
When the black arrows on both
sides point to OFF, the speaker
is OFF.
50
12.5
OFF
OFF
25
70V
OFF
OFF
100V
50
OFF
OFF
25
50w on 100v
and
25w on 70v
When the arrow points to the
red dot, there is no connection
to the 100v tap. The connection
is made at 50w (70v).
OFF
OFF
100V
OFF
25
50
OFF
50
25
OFF
OFF
70V
12.5
25w on 100v
and
12.5w on 70v
25
50
12.5
OFF
70V
OFF
OFF
OFF
OFF
25
100V
50
OFF
100V Line:70v Line:
50w
50w
25w
25w
12.5w
25
12.5
OFF
50
70V
OFF
OFF
OFF
OFF
100V
OFF
25
50
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SPECIFICATIONS
Model Name i8 i8T
System Type Passive Passive
Configuration Two-way Two-way
Frequency Response (+/-3dB) 70Hz - 20kHz 70Hz - 20kHz
Frequency Range (-10dB) 50Hz - 20kHz 50Hz - 20kHz
Sensitivity (2.83v/1m) 87dB 86dB
Calculated Maximum SPL @1m 110dB 103dB
System Rated Impedance 8Ω n/a
Low Frequency Transducer
Size 8" 8"
Voice Coil Size
Rated Impedance
LF Power (re:AES2-2012)
High Frequency Transducer
HF Driver Type Soft dome tweeter Soft dome tweeter
Voice Coil Size 1" 1"
Diaphragm Material
Rated Impedance
HF Power (re:AES2-2012)
Nominal Coverage (H x V) 130° x 180° 130° x 180°
Power
System Continuous Power 50w 70v : 12.5w /25w / 50w
System Programme Power 100w 100v : 25w / 50w
System Peak Power
Crossover frequency 2.0kHz 2.0kHz
Input Connector Phoenix terminal Phoenix terminal
Hardware Wall mount bracket included Wall mount bracket included
Enclosure
Enclosure Material and finish Plastic (ABS) Plastic (ABS)
Colour Options Black or White Black or White
Grille Material & Finish