1
32
Useful low frequency
spectrum extension
Loudspeakers Listening Distance Recommendations
20 30 40 50 60 70 80 90 100 200 300 400 500
Large Pipe Organ 16 Hz
5 strings Electric bass 31 Hz
Guitar 80 Hz
Male fundamental
Tuba (horn) 45 Hz
Double bass 40 Hz
Concert grand piano 29 Hz
frequency 120 Hz
Female fundamental
frequency 230 Hz
Step by Step Setup Guide
1238CF
1382
1234
1236
0.5 1 1.5 2510 15 (s)meter
1.6 3.2 5
6.5
16.5 32 50 (feet)
8320
8030
1032
8260
1237
8351
8020
8010
8330
95
98
103
104
96
92
97
100
102
104
92
94
97
98
100
99
100
93
89
93
109
85
88
90
92
94
93
94
101
97
105
109
115
86
82
87
90
92
94
96
98
97
98
107
102
111
115
121
91
87
91
84
87
89
91
93
91
92
100
95
103
107
113
85
81
86
94
102
106
112
99
Not recommended
When too close to the monitor, the
drivers - tweeter or midrange/tweeter
- are not summing together properly at
the crossover point, which affects the
perceived frequency response balance.
Recommended
The long-term sound pressure levels
(SPL) displayed take into consideration
an average room reverberation time
(RT60) of 0.3 sec.
Note: at extremely long distances the
SPL may become too low for the ap-
plication.
Product performance
Monitors -6 dB LF
Extension
Maximum
SPL at 1 m *
Room
volume
up to
Subwoofers
for 2
channels
Subwoofers
for 5
channels
8010 67 Hz 96 dB 55 m
3
7040 7040
8020 / 8320 59 / 55 Hz 95 / 100 dB 65 m
3
7050 / 7350 7050 / 7350
8030 / 8330 50 / 45 Hz 100 / 104 dB 75 m
3
7050 / 7350 7060 / 7350
8040 / 8240 41 Hz 105 dB 85 m
3
7060 / 7260 7070 / 7270
8050 / 8250 /
8351
32 Hz 110 dB 95 m
3
7070 / 7270 7071 / 7271
1032 36 Hz 113 dB 100 m
3
7071 7071
8260 23 Hz 113 dB 115 m
3
7271 7271
1037 / 1237 32 Hz 116 / 118 dB 125 m
3
7071 / 7271 7071 / 7271
1038CF /
1238CF
50 Hz 118 dB 125 m
3
7071 / 7271 7071 / 7271
1038 / 1238 30 Hz 120 / 121 dB 170 m
3
7071 / 7271 7071 / 7271
1034 / 1234 29 Hz 123 dB 200 m
3
7073 2 x 7073
1036 / 1236 17 Hz 131 dB 400 m
3
2 x 7073 3 x 7073
*) Maximum short term sine wave acoustic output on axis in half space, averaged from 100 Hz to 3 kHz at 1 m distance.
Sub-
woofers
Frequency range
+/-3 dB
Main / LFE channel
SPL short
term RMS at
1 m distance
7040 33 – 85 Hz / N/A 100 dB
7050 25 – 85 / 25 - 120 Hz 100 dB
7060 19 – 85 / 19 - 120 Hz 108 dB
7070 19 – 85 / 19 - 120 Hz 112 dB
7071 19 – 85 / 19 - 120 Hz 118 dB
7073 19 - 85 / 19 - 120 Hz 124 dB
7350 25 – 85 / 25 - 150 Hz 104 dB
7260 19 – 100* / 19 - 120 Hz 108 dB
7270 19 – 100* / 19 - 120 Hz 112 dB
7271 19 - 100* / 19 - 120 Hz 118 dB
*Variable subwoofer/main monitor crossover frequency, default 85 Hz.