Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 1
Definition Install DC8i
Product Description
Features
• 200mm (8.00”) high sensitivity, point source and
constant directivity Dual Concentric™ drive unit
The Definition Install DC8i has been designed around the unique Tannoy Dual Concentric™
drive unit to bring audiophile performance to a wide range of installation applications;
from media rooms to home theatre and boardrooms through to high end marine interiors
these loudspeakers deliver class leading accuracy, sensitivity and dynamics.
• Constant time delay over the frequency spectrum
• Exceptional transient performance
Characteristic of the Dual Concentric design is a very wide 'sweet spot' with an
exceptionally even response throughout the listening area, as well as an extraordinary
transient response; reasons enough for this phase accurate Tannoy designed drive unit to
have been the choice of professional studio engineers all over the world for many years.
• 90 degree conical dispersion
• Superior harmonic alignment
• Natural, clean and integrated sound
• Enhanced intelligibility, sound staging and dynamics
• Recommended amplifier power 100 to 200W @ 8 Ohms
• Sensitivity 92dB (1W = 2.83V for 8 Ohms)
• Maximum SPL 119dB average
The Dual Concentric™ is effectively two drivers properly merged into one where, unlike
ordinary drive units, the high frequency unit is positioned on the back of the low frequency
driver. As a result they are on same axis, so ensuring that sound energy is effectively
propagated from the same point and delivered through the centre of the low frequency cone
as true point source. Such integration optimises reproduction quality by providing a constant
time delay over the frequency spectrum, exceptional transient performance, wide dispersion
and superior harmonic alignment; all of which delivers to the listening position a natural,
clean and integrated sound with greatly enhanced intelligibility, sound staging and dynamics.
• Rugged construction MDF enclosure, vented,
internally braced and finished with textured black paint
• Multiple hanging options
This compact MDF cabinet is vented and rigidly constructed with extensive bracing to be
acoustically inert. The speaker is designed to be hidden within a custom designed
installation; mounted on wall either behind the screen or acoustically transparent decorative
panels with no appreciable loss of performance. The unit can be mounted either horizontally
or vertically using the integral keyhole mounts and the supplied wall plate.
Applications
• Media rooms
Designed to be used in left, centre or right locations the high power handling DC8i is
capable of explosive dynamics with stunning detail in both music and movie application in
vast array of listening and viewing environments.
• Home theatre
• Boardrooms
• High end marine interiors
Tannoy United Kingdom
Tannoy North America
Tannoy Deutschland
Tannoy France
T: 00 44 (0) 1236 420199
T: 00 1 (519) 745 1158
T: 00 49 (180) 1111 881
T: 00 33 (0)1 7036 7473
Definition Install DC8i data file // issue 1.06 // 15.01.08
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Download from Www.Somanuals.com. All Manuals Search And Download.
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 3
Definition Install DC8i
PERFORMANCE MEASUREMENTS
1m on-axis frequency response
100
90
80
70
60
50
10
100
1000
frequency (Hz)
10000
100000
ANECHOIC
FREQUENCY
RESPONSE
Impedance vs frequency
30
25
20
15
10
5
0
10
100
1000
10000
frequency (Hz)
IMPEDANCE
Horizontal off-axis response
100
90
80
70
60
50
0 deg
10 deg
20deg
30deg
40deg
10
100
1000
10000
100000
OFF AXIS
RESPONSE
frequency (Hz)
Tannoy United Kingdom
Tannoy North America
Tannoy Deutschland
Tannoy France
T: 00 44 (0) 1236 420199
T: 00 1 (519) 745 1158
T: 00 49 (180) 1111 881
T: 00 33 (0)1 7036 7473
Definition Install DC8i data file // issue 1.06 // 15.01.08
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Download from Www.Somanuals.com. All Manuals Search And Download.
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 4
Definition Install DC8i
PERFORMANCE MEASUREMENTS
Vertical off-axis response
100
90
80
70
60
50
0 deg
10 deg
20deg
30deg
40deg
10
100
1000
frequency (Hz)
10000
100000
OFF AXIS
RESPONSE
Beamwidth vs Frequency
360
330
300
270
240
210
180
150
120
90
60
30
0
100
1000
10000
frequency (Hz)
BEAMWIDTH
DI vs Frequency
100
10
1
Q
100
1000
10000
frequency (Hz)
DIRECTIVITY INDEX
Tannoy United Kingdom
Tannoy North America
Tannoy Deutschland
Tannoy France
T: 00 44 (0) 1236 420199
T: 00 1 (519) 745 1158
T: 00 49 (180) 1111 881
T: 00 33 (0)1 7036 7473
Definition Install DC8i data file // issue 1.06 // 15.01.08
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Download from Www.Somanuals.com. All Manuals Search And Download.
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 5
Definition Install DC8i
PERFORMANCE MEASUREMENTS POLAR PLOTS (1/3 OCTAVE)
10 Hz
125Hz
160Hz
20 Hz
250Hz
315Hz
400Hz
500Hz
0
0
330
0
-12
-24
30
330
0
-12
-24
30
300
60
300
60
-36
-48
-36
-48
270
90
270
90
630HHzz
800Hz
1.0kHz
1.25kHz
1.6 kHz
2.0kHz
2.5 kHz
3.15 kHz
0
0
330
0
30
330
0
30
-12
-12
300
60
300
60
-24
-24
-36
-48
-36
-48
270
90
270
90
4.0kHz
5.0kHz
6.3kHz
8.0kHz
1.0kHz
12.5kHz
16kHz
0
0
2.0kHz
330
0
30
330
0
30
-12
-24
-12
-24
300
60
300
60
-36
-48
-36
-48
270
90
270
90
Tannoy United Kingdom
Tannoy North America
Tannoy Deutschland
Tannoy France
T: 00 44 (0) 1236 420199
T: 00 1 (519) 745 1158
T: 00 49 (180) 1111 881
T: 00 33 (0)1 7036 7473
Definition Install DC8i data file // issue 1.06 // 15.01.08
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Download from Www.Somanuals.com. All Manuals Search And Download.
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:12 Page 6
Definition Install DC8i
PERFORMANCE MEASUREMENTS POLAR PLOTS (1/3 OCTAVE)
100HHzz
125Hz
160Hz
20Hz
250Hz
315Hz
400Hz
500Hz
0
0
330
0
-12
-24
30
330
0
-12
-24
30
300
60
300
60
-36
-48
-36
-48
270
90
270
90
630Hz
800Hz
1.0kHz
1.25kHz
1.6 kHz
2.0kHz
2.5 kHz
3.15 kHz
0
0
330
0
30
330
0
30
-12
-12
300
60
300
60
-24
-24
-36
-48
-36
-48
270
90
270
90
4.0kHz
5.0kHz
6.3kHz
8.0kHz
1.0kHz
12.5kHz
16kHz
0
0
2.0kHz
330
0
30
330
0
-12
-24
30
-12
-24
300
60
300
60
-36
-48
-36
-48
270
90
270
90
Tannoy United Kingdom
Tannoy North America
Tannoy Deutschland
Tannoy France
T: 00 44 (0) 1236 420199
T: 00 1 (519) 745 1158
T: 00 49 (180) 1111 881
T: 00 33 (0)1 7036 7473
Definition Install DC8i data file // issue 1.06 // 15.01.08
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Download from Www.Somanuals.com. All Manuals Search And Download.
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:12 Page 7
Definition Install DC8i
DIMENSIONAL SKETCHES
294.0mm
215.0mm
11.57”
8.46”
394.0mm
15.51”
SUPPLIED WALL MOUNTING PLATE
150.0mm
12
0.0mm
5.91”
4.72”
90.0mm
150.0mm
3.54”
5.91”
Ø5.0mm
Ø0.20”
Fixing hole dimensions
Tannoy United Kingdom
Tannoy North America
Tannoy Deutschland
Tannoy France
T: 00 44 (0) 1236 420199
T: 00 1 (519) 745 1158
T: 00 49 (180) 1111 881
T: 00 33 (0)1 7036 7473
Definition Install DC8i data file // issue 1.06 // 15.01.08
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Download from Www.Somanuals.com. All Manuals Search And Download.
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:12 Page 8
Definition Install DC8i
Architectural specifications
The loudspeaker shall consist of a 200mm (8.00”) full range, point source Dual Concentric™ transducer. The low and high frequency elements shall be
combined by an internal passive crossover network operating at 1.7kHz with dynamic HF protection.
Performance of the loudspeaker, without any electronic control, shall meet or exceed the following criteria: Frequency range measured at 1 metre on axis
with swept sine wave shall be 62Hz to 45kHz. Sensitivity shall be at least 92dB (anechoic) for 2.83 Volts @ 1 metre and shall be capable of producing a
peak output level of 119dB (anechoic) on axis at 1 metre. The dispersion of the loudspeaker shall be 90 degrees conical (-6dB). The system shall have a
nominal impedance of 8 Ohms and maximum power handling shall be 260 Watts (programme).
The enclosure shall be an optimally tuned 17.0 litre vented cabinet of MDF construction. Connectors shall be 2 x 4mm binding posts. The enclosure shall be
fitted with 8 x integral M10 bracket inserts and 4 x keyhole fixings for portrait or landscape mounting using supplied wall plate.
The enclosure shall not exceed the following dimensions: 394 x 294 x 215mm (15.51 x 11.57 x 8.46”) (H x W x D).
The loudspeaker shall be the Tannoy… Definition Install DC8i.
Tannoy United Kingdom
Tannoy North America
Tannoy Deutschland
Tannoy France
T: 00 44 (0) 1236 420199
T: 00 1 (519) 745 1158
T: 00 49 (180) 1111 881
T: 00 33 (0)1 7036 7473
Definition Install DC8i data file // issue 1.06 // 15.01.08
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Download from Www.Somanuals.com. All Manuals Search And Download.
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