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IS Series + SP 12.1P Operating Manual
SP 12.1P Specifications
Transducer
Frequency Response
(–10dB limits)
1
Sensitivity (ref 2.83V)
1, 2
Nominal Impedance
Maximum Continuous SPL, @
a MIV (continuous / peak)
1, 2, 3
Maximum Continuous SPL,
calculated from power
handling (continuous /
peak)
1, 2, 3
Maximum Input Voltage
(MIV)
1, 2
Power Handling
Input Connectors
Enclosure Material
Dimensions (HxWxD)
Net Weight
Recommended amplifiers
1) With recommended processing (see previous page)
2) Referenced to 1 m
3) The maximum input voltage (MIV) is determined by no more than a 3 dB change in the
frequency response of the loudspeaker system
Frequency
Response
(On-Axis)
1 x 12-inch (300 mm)
Ferrite woofer
39 Hz – 180 Hz
99 dB
8 Ω
120 dB / 128 dB
124 dB / 130 dB
Impedance
32 dBV, 31.6 V
(equivalent to 200 W
into rated impedance)
350 W
2 x NL4 SpeakOn
1 x 4-position Euroblock
Birch Plywood
17.8" H x 14.8" W x 18.85" D/
452 mm H x 376 mm W x 479
mm D
39.5 lbs / 18 kg
Single-channel: nXp 400 or
higher
Bridged: nXp 400 or higher
Pema 4125, 4250, 8125, 8250
110
105
100
95
90
85
80
75
70
20
50
100
200
Frequency [Hz]
No Processing
Processed, 110 Hz C rossover
200
100
50
20
10
5
10
20
50
100
200
Frequency [Hz]
Impedance
500
1k
2k
5k
10k
Processed, 150 Hz C rossover
500
1k
2k
5k
16
20k
10k
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