LD Systems IPA412T 4-Channel Hybrid DSP Amplifier 4x 120W

LD Systems IPA412T 4-channel Hybrid DSP Installation Amplifier 4 x 120W 4 Ohm 70V/100V

FEATURES
Professional 4-channel installation amplifier
Powerful class-D power amplifier with 4 x 120 W (IPA 412 T) or 4 x 240 W (IPA 424 T) at 4 Ohm (transformer bypass) or 70V/100V outputs through toroidal core transformer
Stereo/parallel/bridge mode selector switch per channel pair
4 balanced line inputs and 4 speaker outputs with terminal block connections
User-friendly front panel with signal, limit, protection, mute and bridge mode LEDs per channel and clipping LEDs for the inputs
Speaker protection circuits: DSP limiter, overcurrent, direct current, overheating, short circuit as well as switchable auto standby mode
DSP presets with HPF and LPF which can be activated via DIP switches
REMOTE audio and control bus based on CAN architecture (Controller Area Network)
Equipped for future LD Systems remote control panels and paging microphones
Slot for future optional expansion cards for Ethernet or Ethernet + Dante
Optional accessories: 19″ L-bearing rails, length 450 mm
SPECIFICATIONS
General
Product type
Amplifier
Type
Installation power amplifier
General data
Audio Channels
4
Output Circuitry
Class D
Operating voltage
Wide Range SMPS with PFC (power factor control)
Mains connector
IEC socket
Auto-Standby Power
Yes. Switchable (On-Off)
Time to Auto-standby
20 Min with no audio input signal
DSP
Yes
Remote-Bus
Yes
Indicators
Front Panel: “PROT”, “LIMIT”, “SIG”, “BRIDGE” and Mute Symbol LED´s. Power On/ Standby LED, Rear Panel: 4x Input Clip LED´s, Remote Lock LED (Red)
Front panel controls
On / off switch, standby
Rear panel controls
“BRG“ (Bridge), “PAR“ (Parallel), “ST“ (Stereo), Amplifier Channel Mode, Low-Z and High-Z switches (paired), Output Volume potentiometers, Preset A and B switches, Remote Lock, Remote ON/OFF, Remote-Mode, Standby On/Off
Inputs
4x Balanced Line Inputs, Remote Bus Audio Input
Input connectors
6-pin Terminal Block Pitch 3.81mm, Remote IN/OUT RJ45, Service Micro USB Type-B
Expansion Slot
For optional Ethernet, or Ethernet + Dante cards
Cooling
front to rear/side airflow, Passive + 2-zone temperature controlled active cooling
Operating voltage
100 V AC – 240 V AC, 50 – 60 Hz
Fuse
T10AL 250 V
Inrush Current Power OFF-Standby
2.8 A
Inrush Current Standby-ON
0.5 A
Standby power consumption
0.9 W
Power Consumption @ idle mode
25 W
Power Consumption @ full load
790 W
Operating temperature
0 °C – 40 °C; (max 60% relative humidity)
Width
483 mm
Height
44.5 mm
Depth
425 mm
Optional accessories
19″ L mounting rails ( AH – 876TL )
Weight
8,7 kg
Amplifier Output Specifications, all outputs driven and loaded

Rated ouput power (1kHz @ 4 Ohms)
4 x 120 W (1,5 Seconds Sine Burst)
Rated ouput power (1kHz @ 8 Ohms)
4 x 60 W (1.5 Seconds Sine Burst)
Rated ouput power (1kHz @ 16 Ohms)
4 x 30 W (1,5 Seconds Sine Burst)
Rated ouput power (1kHz @ 8 Ohms, bridged)
2 x 235W (1,5 Seconds Sine Burst)
4 x 240W, Transformer Coupled Output
4 x 120W, Transformer Coupled Output
Protection circuits
Audio Limiter, DC, HF Protect, HPF (High-Z), short circuit, temperature, thermal overload
Minimum load impedance per channel
4 ohms Single-Ended, 8 ohms Bridge
Performance specifications
Nominal input sensitivity
+5 dBu (Sine 1 kHz, Gain max)
Nominal input clipping
19 dBu (Sine 1kHz)
THD + N
< 0,03 % (Low-Z SPK OUT, +18 dBu, 20 Hz – 20 kHz)
Frequency response
18 Hz – 22 kHz (Low-Z OUT, -3 dB), 50 Hz – 23 kHz (High-Z OUT, -3 dB)
Signal-to-noise ratio
>105 dB (Low-Z SPK OUT, CH Gain Center (0 dB), 20 kHz BW, a-weighted)
Crosstalk
83 dB @ 1 kHz
Digital Specifications
System Latency:
6.2 ms
AD/DA converter resolution
24 bit
AD/DA converter sampling rate
48 kHz