LD Systems IPA 412 T Bedienungsanleitung Seite 13

Item description:
Output power
(1 kHz at 8 Ohm, bridge):
Output power
(1 kHz at 100 V/70 V):
Protection circuits: Audio limiter, temperature limiter, HPF (High-Z), HF protection, overheating, short circuit, direct current protection
Minimum load impedance
per channel:
Performance specifications
Nominal input sensitivity:
Nominal input clipping:
Harmonic distortion (THD+N):
Intermodulation distortion
(IMD), SMPTE:
Frequency response:
Input impedance:
Signal-to-noise ratio: >105 dB (Low-Z SPK OUT, +18 dBu, CH gain center (0 dB),
Channel crosstalk:
Common mode rejection,
CMRR IEC:
Gain:
Standby wakeup threshold
(wake up):
Digital specifications
DSP:
System latency:
Resolution AD/DA converter:
Sampling rate AD/DA
converter:
Remote bus specifications, measured between REM In and SPK Out
Nominal input sensitivity:
Nominal input clipping:
Harmonic distortion (THD+N):
Frequency response:
Input impedance:
Signal-to-noise ratio:
Common mode rejection,
CMRR IEC:
Gain:
Phantom power:
Protection circuits:
LDIPA424T
2 x 490 W (1.5 second sine burst)
4 x 240 W, transformer-coupled output
Low-Z: 4 Ohm single-ended, 8 Ohm Bridge
70V: 21 Ohm
100V: 42 Ohm
< 0.03 % (Low-Z SPK OUT, +18 dBu, 20 Hz – 20 kHz)
0.04% at 1 W power (Low-Z, max. gain), 0.1% at full power (-1 dB under clip) and min. load (4 Ohm), analyzer
40 kOhm (symmetrical), input design instrumentation speaker
20 kHz bandwidth, A-rated)
-Inf to 27dB, IN-OUT, Potentiometer range: -inf to +14dB
24 Bit PCM1865 (AD), 24 Bit PCM1690 (DA)
< 0.006 % (Low-Z SPK OUT, +18 dBu, 20 Hz – 20 kHz)
>105 dB (Low-Z SPK OUT, +20 dBu, 20 kHz bandwidth, A-rated)
2 x 235 W (1.5 second sine burst)
4 x 120 W, transformer-coupled output
Low-Z: 4 Ohm single-ended, 8 Ohm Bridge
+5 dBu (Sine wave, 1 kHz, max. gain)
19 dBu (Sine wave, 1 kHz)
bandwidth 90 kHz
18 Hz – 22 kHz (Low-Z OUT, -3 dB)
50 Hz – 23 kHz (High-Z OUT, -3 dB)
>104 dB (Low-Z SPK OUT, +18 dBu, CH gain center (0 dB),
83 dB at 1 kHz
>55 dB (1 kHz)
-45 dBu
ADAU1452 Sigma DSP
6.2 ms
48 kHz
20 dBu
20 dBu
20 Hz – 20 kHz (0.1 dB)
50 kOhm (symmetrical)
> 65 dB at 1 kHz
0 dB
+48 V DC/500 mA
Resettable fuse protection (internal)
LDIPA412T
70V: 42 Ohm
100V: 84 Ohm
20 kHz bandwidth, A-rated)
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