LD Systems IPA424T 4-Channel Hybrid DSP Amplifier 4x 240W

LD Systems IPA424T 4-channel Hybrid DSP Installation Amplifier 4 x 240W 4 Ohm 70V/100V

FEATURES
• Professional 4-channel installation amplifier
• Powerful class D power amplifier with 4 x 240 W (IPA 424 T) or 4 x 120 W (IPA 412 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 connection 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
30 W
Power Consumption @ full load
1000 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
11,36 kg
Amplifier Output Specifications, all outputs driven and loaded
Rated ouput power (1kHz @ 16 Ohms)
4 x 60 W (1.5 Seconds Sine Burst)
Rated ouput power (1kHz @ 4 Ohms)
4 x 240 W (1.5 seconds sine burst)
Rated ouput power (1kHz @ 8 Ohms)
4 x 120 W (1,5 Seconds Sine Burst)
Rated ouput power (1kHz @ 8 Ohms, bridged)
2 x 490W (1.5 Seconds Sine Burst)
Minimum load impedance per channel
4 ohms Single-Ended, 8 ohms Bridge
Performance specifications
Nominal input sensitivity
+5 dBu (Sine 1 kHz, Gain max)
Protection circuits
Audio Limiter, DC, HF Protect, HPF (High-Z), short circuit, temperature, thermal overload
Frequency response
18 Hz – 22 kHz (Low-Z OUT, -3 dB), 50 Hz – 23 kHz (High-Z OUT, -3 dB)
Digital Specifications
System Latency:
6.2 ms
AD/DA converter resolution
24 bit
AD/DA converter sampling rate
48 kHz
THD + N
< 0,03 % (Low-Z SPK OUT, +18 dBu, 20 Hz – 20 kHz)