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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
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.
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.
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.
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.
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.
Product Description
• Media rooms
• Home theatre
• Boardrooms
• High end marine interiors
Features
Applications
• 200mm (8.00”) high sensitivity, point source and
constant directivity Dual Concentric™ drive unit
• Constant time delay over the frequency spectrum
• Exceptional transient performance
• 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
• Rugged construction MDF enclosure, vented,
internally braced and finished with textured black paint
• Multiple hanging options
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 1
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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
TECHNICAL SPECIFICATIONS
Frequency Range
(
1)
62Hz - 45kHz
System Sensitivity (1W @1m)
(2)
92dB (1W = 2.83V for 8 Ohms)
D
ispersion (-6dB) 90 degrees conical
D
river Complement 1 x 200mm (8.00”) point
source, constant directivity
Dual Concentric™
Crossover Passive 1.7kHz with dynamic
HF protection
Directivity Factor (Q) 5.7 averaged 1kHz to 10kHz
Directivity Index (DI) 7.0 averaged 1kHz to 10kHz
R
ated Maximum SPL
(2)
Average 113dB
P
eak 119dB
P
ower Handling
Average 130W
P
rogramme 260W
Peak 520W
Recommended Amplifier Power 100 - 260W @ 8 Ohms
Nominal Impedance 8 Ohms
Distortion
10% Full Power (8.94V) 2nd Harmonic 3rd Harmonic
250Hz 0.4% 0.35%
1kHz 0.28% 0.66%
10kHz 1.50% 0.35%
1% Full Power (2.83V) 2nd Harmonic 3rd Harmonic
250Hz 0.11% 0.15%
1kHz 0.12% 0.34%
10kHz 0.51% 0.17%
Notes:
(1) Average over stated bandwidth. Measured at 1 metre on axis.
(2) Unweighted pink noise input, measured at 1 metre in an anechoic chamber
A full range of measurements, performance data, CLF and Ease™ Data can be
downloaded from www.tannoy.com
Full independent verification of published specifications carried out by NWAA Labs,
California can also be obtained from the downloads section of www.tannoy.com
Tannoy operates a policy of continuous research and development. The introduction
of new materials or manufacturing methods will always equal or exceed the
published specifications, which Tannoy reserves the right to alter without prior
notice. Please verify the latest specifications when dealing with critical applications.
Enclosure MDF, vented and internally braced
F
inish Textured black paint
C
onnectors 2 x 4mm gold plated binding posts
Fittings 8 x M10 bracket inserts, 4 wall plate
k
eyhole fixings, allowing landscape or
portrait mounting orientations
1 x wall plate
Dimensions 394 x 294 x 215mm (H x W x D)
1
5.51 x 11.57 x 8.46” (H x W x D)
NET Weight 9.5kg (20.90lbs)
System Definition Install DC8i
Construction
8000 5180 Definition Install DC8i Black 2
PART NUMBER PACKED QUANTITY
COLOUR
MODEL NAME
Ordering Information
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 2
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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
PERFORMANCE MEASUREMENTS
5
0
60
70
80
90
100
0
00001000
01
0
0
01001
0
1
0
5
10
15
20
25
30
000010001
00
10
1
p
50
60
70
80
90
100
000001
0
00
0
10
0
0100101
0 deg
10 deg
20deg
30deg
40deg
A
NECHOIC
FREQUENCY
RESPONSE
IMPEDANCE
OFF AXIS
RESPONSE
1m on-axis frequency response
frequency (Hz)
SPL, 1W/1m (dB)
frequency (Hz)
Impedance vs frequency
frequency (Hz)
Impedance (ohms)
Level (dB)
Horizontal off-axis response
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 3
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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
PERFORMANCE MEASUREMENTS
Q
50
60
70
80
90
100
0
00
0
0
1
00
0
0100
0
1
001
0
1
0 deg
10 deg
20deg
30deg
40deg
0
30
60
90
120
150
180
2
10
240
270
300
3
30
360
000010
00
1001
1
10
100
00
0
01000
1
00
1
O
FF AXIS
RESPONSE
BEAMWIDTH
DIRECTIVITY INDEX
Vertical off-axis response
frequency (Hz)
Level (dB)
frequency (Hz)
Beamwidth vs Frequency
frequency (Hz)
Degrees
DI vs Frequency
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 4
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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
PERFORMANCE MEASUREMENTS POLAR PLOTS (1/3 OCTAVE)
-48
-36
-24
-12
0
0
3
0
60
90270
300
3
30
10 Hz
125Hz
1
60Hz
2
0 Hz
-48
-36
-24
-12
0
0
3
0
60
90270
300
3
30
250Hz
315Hz
400Hz
5
00Hz
-48
-36
-24
-12
0
0
30
60
90270
300
330
-48
-36
-24
-12
0
0
30
60
90270
300
330
-48
-36
-24
-12
0
0
30
60
90270
300
330
-48
-36
-24
-12
0
0
30
60
90270
300
330
630 Hz
800 Hz
1 kHz
1.25 kHz
1.6 kHz
2 kHz
2.5 kHz
3.15 kHz
4.0kHz
5.0kHz
6.3kHz
8.0kHz
1.0kHz
12.5kHz
16kHz
2.0kHz
1.6 kHz
2.0kHz
2.5 kHz
3.15 kHz
630Hz
800Hz
1.0kHz
1.25kHz
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:11 Page 5
-48
-36
-24
-12
0
0
3
0
60
90270
300
3
30
-48
-36
-24
-12
0
0
3
0
60
90270
300
3
30
-48
-36
-24
-12
0
0
30
60
90270
300
330
-48
-36
-24
-12
0
0
30
60
90270
300
330
-48
-36
-24
-12
0
0
30
60
90270
300
330
-48
-36
-24
-12
0
0
30
60
90270
300
330
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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
100Hz
125Hz
160Hz
2
00Hz
250Hz
315Hz
4
00Hz
5
00Hz
PERFORMANCE MEASUREMENTS POLAR PLOTS (1/3 OCTAVE)
10 Hz
125Hz
1
60Hz
2
0 Hz
250Hz
315Hz
400Hz
5
00Hz
4.0kHz
5.0kHz
6.3kHz
8.0kHz
1.0kHz
12.5kHz
16kHz
2.0kHz
1.6 kHz
2.0kHz
2.5 kHz
3.15 kHz
630Hz
800Hz
1.0kHz
1.25kHz
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:12 Page 6
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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
DIMENSIONAL SKETCHES
394.0
[15.51"]
294.0
[11.57"]
215.0
[8.46"]
294.0mm
11.57”
215.0mm
8
.46”
394.0mm
15.51”
SUPPLIED WALL MOUNTING PLATE
120.0
[4.72"]
150.0
[5.91"]
90.0
[3.54"]
Ø5.0
[Ø0.20"]
Fixing hole dimensions
150.0150.0
[5.91"][5.91"]
120.0mm
4.72”
90.0mm
3.54”
150.0mm
5.91”
Ø5.0mm
Ø0.20”
150.0mm
5.91”
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:12 Page 7
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
Tannoy adopts a policy of continuous improvement and product specification is subject to change
Definition Install DC8i data file // issue 1.06 // 15.01.08
T
he loudspeaker shall consist of a 200mm (8.00”) full range, point source Dual Concentric™ transducer. The low and high frequency elements shall be
c
ombined 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.
T
he 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).
T
he loudspeaker shall be the Tannoy… Definition Install DC8i.
Architectural specifications
Defintion_DC8i_Data_Sheet_DJ_amends:Layout 1 16/01/2008 11:12 Page 8
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