LD Systems DSP 45 K 4-Channel Power Amplifier with DSP 4 x 1200 watts @ 4ohm

• 4-channel power amplifier with DSP control
• 4 x 1200 watts @ 4 and 2 ohms, 2 x 2400 watts bridged @ 4 ohms
• 10 Hz - 22 kHz frequency response with 120 dB dynamic range
• 24-bit/48kHz DSP with FIR and IIR filters, parametric EQ, crossover, delay, RMS and peak limiters
• DC, overcurrent, thermal and short circuit protection, soft start, clip and SMPS overload limiters
• Dual temperature-controlled fans
• Power factor correction (PFC)
• Menu driven 4-line display with rotary encoder and security lock
• Includes control and monitoring software and LD Systems® Loudspeaker Preset Library

The LD Systems® DSP 45 K is a professional 4-channel power amplifier with extensive DSP control. Designed for demanding large-scale sound reinforcement and concert-quality performance, it delivers a massive 1,200 watts per channel and 2 x 2,400 watts bridged. The high-efficiency Class H topology and switch mode power supply with power factor correction (PFC) provide a wide dynamic range and excellent transient response.

The DSP 45 K features comprehensive protection circuitry including power-up, DC, overcurrent, thermal and short circuit protection plus current and clip limiters to prevent SMPS overload and loudspeaker damage. Together with a pair of temperature controlled fans, they ensure exceptional reliability in the most demanding applications. The 24-bit DSP allows precise control with FIR and IIR filters, parametric EQ, crossover, delay, RMS and peak limiter functions. User configurable loudspeaker presets with password protection enable fast setup

The DSP 45 K is housed in a dual rack space all-steel chassis and weighs just 7 kg. It provides balanced Neutrik® XLR inputs, speakON® output connectors plus USB and Ethernet ports. The front panel sports a menu driven 4-line display and rotary encoder with push button switch for easy configuration. For optimal speaker performance and safe operation the DSP 45 K comes with an LD Systems® loudspeaker preset library, and the included software enables computer control and monitoring.

Τετρακάναλος τελικός ενισχυτής ζωνών, ισχύος 4 x 180 Watt / 8Ω RMS, 4 x 230 Watt /4Ω RMS,
2 x 460 Watt / 8Ω bridge RMS, ξεχωριστή ρύθμιση έντασης ανά κανάλι, HPF σε κάθε κανάλι,
εισόδους XLR και Euro block, με δυνατότητα κοινής εισόδου κατόπιν επιλογής.

Διαστάσεις (Π x Υ x Β): 480 x 88 x 412 mm, Βάρος: 10 kg

Παραµόρφωση: THD 20Ηz - 20ΚΗz στο 1W 112d ΒΑ
Class TD µε Ρυθµιζόµενο Switch Mode R.SMPS
VPL Voltage Peak Output Ρύθµιση Bridge-mode,
∆υνατότητα λειτουργίας µε τάση 130 - 260Volt,
Προστασία: AFS, VHF, Θερµική, DC, RFI, Υπέρτασης, Βραχυκυκλώµατος,
Ανοιχτού Φορτίου
2xRJ45 EtherCon Σύνδεση για έλεγχο µε υπολογιστή µε το σύστηµα
NomadLink Network ή µε το NLB 60Ε
Ισχύς Εξόδου: 4x1300W RMS /8Ω - 4x2100W RMS /4Ω -
4x2500W RMS /2Ω
2x4200W RMS /8Ω - 2x5000W RMS /4Ω
∆ιαστάσεις / Βάρος: 483x88x396mm / 12kg

Very high power  and  channel density  –   •   The  four-channel  FP
10000Q delivers a  total of 10000 W  (4 x 2500 W @ 2 ohms)  in
only 2U
Four-channel fexibility –   •  Four channels in one cabinet increases
effciency, fexibility and value  in powering monitor systems,  line
arrays, and bi- or tri-amped systems. Adjacent channels bridgeable
for 2- or 3-channel operation
Lab.gruppen  sound  quality  –   •   FP  10000Q  amplifers maintain
the impeccable sonic performance standards set by the original fP
Series, with the same durability and even greater effciency
NomadLink   • ®  network  ready  – Monitoring  and  control  of  key
functions accessible via the  intuitive DeviceControl software and
the robust, daisy-chained NomadLink® network
Patented  Class  TD  amplifer  topology  –    • Road-proven  output
stage delivers Class B audio quality with Class D effciency 

Regulated  Switch Mode  Power  Supply  (R.SMPS)  –    • Output
power remains constant even with signifcant drops in the mains
voltage
Effcient cooling system –   •  Unique, lightweight Intercooler® cop-
per cooling system dissipates more heat to allow extended peak
output
Adjustable parameters –   •  Selectable Gain, scalable Voltage Peak
Limiter (VPL), and bridge-mode operation allow custom confgura-
tion for any system or application
XLR input connectors   •
Heavy-duty binding post or Speakon output connectors   •
Comprehensive  protection  and warning  –   •   Excessive  output
current, DC, high  temperature, very high  frequency  (VHF), short
circuit, open load, mains fuse protection, and soft start

Τελικός ενισχυτής 4x75W/8Ω. Ευαισθησία 1.4V -
Απόκριση συχνότητας (at 1W into 4/8 ohms) ±
0.5Db-Crosstalk (below rated power 20Hz to
1kHz) > 70dB S/N110dB-THD 55dB, typically
> 70dB. Διαστασεις: 1.75" x 19" x 14.25“.
Κατάλληλος για μόνιμες εγκαταστάσεις, 1U rack.
Βάρος 4,5kg.

Product Features:

• 4 x 75 Watts into 4 Ohms; 4 x 50 Watts into 8 Ohms
• ATR (Accelerated Transient Response) technology for ultimate punch and clarity
• Ultra-light, ultra-low noise and ultra-efficient switch-mode power supply for noise-free audio, superior transient response and low power consumption
• Independent limiters for each channel offer maximum output level with reliable overload protection
• Detented gain controls for precise setting and matching of sensitivity
• Precise Power, Signal and Clip LEDs to monitor performance
• Servo-balanced XLR and 1/4" TRS inputs plus professional speaker connectors
• Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers without shutting down the show
• “Back-to-front" ventilation system including air filter for reliable operation
• “Built-like-a-tank“, impact-resistant and all-steel 1U rackmount chassis
• Minimum depth chassis (10.1" / 257 mm) and ultra-light weight design (8.8 lbs / 4.0 kg) fits into compact, inexpensive effects racks
• High-quality components and exceptionally rugged construction ensure long life

The S Series of RAM Audio amplifiers distils all these features to fulfill all your needs, whether youʼre starting a P.A. amplifier project from scratch, or you need to upgrade your present sound reinforcement equipment.

In the S Series amps, you'll find five 2-channel models and five 4-channel models, all offering plentiful power levels at low distortion in the range of 1.5 to 6 kilowatts, yet weighing in around 8 kilos and 30 cm deep.

• Ultra-compact and lightweight 2-U high
• Laser cut aluminum front panels with integrated carrying handles
• Neutrik® XLR input connectors, input and signal link in 2 channel models
• Input Link switch: allow daisy-chaining of the input signal
• Neutrik® Speakon® output connectors
• Detented sealed potentiometers for easy recall of volume settings
• ICL™, PMS™, Hi-temp, Signal indicators per channel
• Power on and Stand-by leds
• Highly versatile with multiple configuration and additional module options
• Full PC control via EtheRAM (with EtheRAM Control module)
• Switchable ICL™ clip-limiters per channel
• Switchable (30-50 Hz) sub-sonic highpass filter per channel
• Three-position gain selector (26, 32 or 38 dB)
• Dual or bridge mode selector
• Twin temperature controlled, back to front cooling fans
• Oversized power components (high SOA reserve specification)
Standard Signal Inputs Module: The S Series amps are equipped as standard with twin Neutrik® XLR, doubled by two other XLR connectors for linking purposes. In the 4 Channel models an XLR input per channel is provided with the signal linking facility.

Analog Processor Module: permits a very easy, user-friendly signal processing to enable the amp to set up a bi-amp system without any other outboard device. These are the Processor's main characteristics:
• 2-way stereo crossover (dual mono or single bridged sub output)
• 24dB/oct Linkwitz-Riley configurable crossover (90, 100 o 120Hz)
• Adjustable attenuation in the High-pass outputs (-3, -6 or -9dB)
• Adjustable Limiter, relative to Max. Output (-3, -6 or -9dB)

DSP44_S Module: Digital Signal Processor fully programmable through an USB port. These are the Processor's main characteristics:
• 4 Inputs/4 Outputs or 2 In/2 Out free route configurable.
• 24 bits/192 kHz 256x Oversampling Converters.
• Output Delay: 0 to 7.1 meters (20.69ms) per channel.
• XOver: Up to 48dB/oct Butterworth, Linkwitz-Riley and Bessel.
• EQ: 9 filters per channel (Parametric, Shelving, LP,HP,BP,SB).
• Gain, Mute and Phase inversion per channel.
• RMS Power and Peak Voltage output limiter per channel.
• Real Time operation from USB or front panel configuration.

Standard Signal Inputs Module
EtheRAM Control Module
Ethernet Audio Transport (Coming soon)
Analog Processor Module
DSP44_S Module
EtheRAM Control Module
AES/EBU Digital Input (Coming soon)