HDL 28-A
ACTIVE TWO WAY LINE ARRAY MODULE
  • 2200W Two Way Amplifier
  • 135 dB Max SPL
  • 48 kHz, 32 bit DSP processing
  • RDNet Networked Management
  • 2200W Two Way Amplifier
  • 135 dB Max SPL
  • 48 kHz, 32 bit DSP processing
  • RDNet Networked Management
  • 2 x 8” Neodymium Woofers, 2.5” voice coil
  • 1.4” Titanium Compression Driver, 3.0” voice coil
  • Exclusive FiRPHASE technology on-board
  • 750 Hz Crossover Point
The RCF HDL 28-A is a compact bi-amped 2-way active touring system for a wide range of applications, both indoors and outdoors, with an emphasis on vocal intelligibility. It features two 8-inch woofers and an impressive 3-inch titanium compression driver. The time coherent waveguide is the result of in-depth research and design. Following the HDL 30-A philosophy, the HDL 28-A shares the composite material cabinet, the zero-degree phase and ultra-linear amplitude response. The built-in 2200 watt class-D amplifier delivers excellent playback clarity and up to 135 decibels SPL max. The RCF HDL 28-A features state of the art RCF transducers with lightweight neodymium magnets. Considering its acoustical power, it has a remarkably low weight for easy handling and flying.

Part Number:

  • 13000579
    HDL 28-A
    Black
    EAN 8024530016500
  • 13000605
    HDL 28-A W
    White

RCF RDNet 3.0

MONITORING AND MANAGEMENT NETWORK
The new RDNet release features extensive improvements. The audio system is now configurable in Groups of speakers or in the new Array clusters, the Air Compensation and the Cluster Size shaping are more precise and controllable, as well as the FiRPHASE gain. The subwoofer configuration is faster, even for complex EndFire set-ups.

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THE ACOUSTIC BEAUTY OF THE SYMMETRY

The symmetrical design of the cabinet produces identical left and right coverage. The component positioning and special DSP crossover filtering of the HDL 28-A take care of the constant directivity without spots of break up or attenuation. The specially-designed front baffle provides coplanar woofers, controlled LF dispersion and a central space to host the 4PATH waveguide. The heavy-duty front grille is powder coated. A special transparent-to-sound foam backing inside helps to further protect the transducers from dust. For weatherproof capabilities, a rain cover is available.

POWERFUL CLASS D AMPLIFIER

RCF's Class-D power amplifier technology packs huge performance operating with high efficiency into a lightweight solution. HDL amplifiers deliver a ultra-fast attack, realistic transient response, and impressive audio performance. The amplifier features a solid machined aluminium structure which not only stabilises the amplifier during transportation but also helps the fan-less heat dissipation. All the HDL amplifiers present SMPS power supply section to produce maximum output and minimum weight.

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FIRST CLASS TRANSDUCERS

The RCF HDL 28-A features state-of-the-art RCF transducers with neodymium magnets. RCF’s experienced engineering teams have specially developed and matched each component — starting from the power supply through the input board to the amplifiers and transducers right up to the complete HDL 28-A System

HIGH FREQUENCIES

  • High-performance RCF ND840
  • 3.0-inch diaphragm titanium compression driver
  • 1.4-inch exit throat
  • 750 Hz Crossover Point
  •  

    LOW FREQUENCIES

  • 2 X 2.5”voice coil neodymium 8” woofers
  • Linear low frequencies handling down to 65 Hz
  • Water resistant fibre doped cone
  • Polycotton M-roll surround
  • Hypervented magnetic structure
  •  

     

    FLYING ATTITUDE

    The advanced rigging concept derives directly from its big brothers:
    the RCF HDL 30-A and HDL 50-A.

    The integrated mechanics are both fast and reconfigurable, allowing the system engineer to create J-shaped and spiral arrays. The hardware is designed for easy and fast setup. The angle can be adjusted on the ground before the system is hung and slipped automatically into the correct position as the array is pulled up.

    Up to 20 HDL 28-A modules can be fastened on a single flybar.

    NEW PERSPECTIVE ON LINEARITY

    RCF speakers are designed using a proprietary and advanced FiR filtering technology, conceived to deliver transparent sound, absolute clarity and perfect stereo images to the listener. The special FiRPHASE filters allow to achieve coherent distribution of sound for all listeners without phase distortions, ensuring minimum latencies to the system.

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    Specifications
    Acoustical specifications
    Frequency Response:
    50 Hz ÷ 20000 Hz
    Max SPL @ 1m:
    135 dB
    Horizontal coverage angle:
    100°
    Vertical coverage angle:
    15°
    Transducers
    Compression Driver:
    1.4'' neo, 3.0'' v.c
    Woofer:
    2 x 8'' neo, 2.5'' v.c
    Input/Output section
    Input signal:
    bal/unbal
    Input connectors:
    XLR, RDNet Ethercon
    Output connectors:
    XLR, RDNet Ethercon
    Input sensitivity:
    +4 dBu
    Processor section
    Crossover frequencies:
    750 Hz
    Protections:
    Thermal, RMS
    Limiter:
    Soft Limiter
    Controls:
    Preset, RDNet bypass
    RDNet:
    Yes
    Power section
    Total Power:
    2200 W Peak, 1100 W RMS
    High frequencies:
    600 W Peak, 300 W RMS
    Low frequencies:
    1600 W Peak, 800 W RMS
    Cooling:
    Forced
    Connections:
    Powercon IN/OUT
    Standard compliance
    CE marking:
    Yes
    Physical specifications
    Cabinet/Case Material:
    PP Composite
    Hardware:
    Array fittings
    Handles:
    2 Side
    Grille:
    Steel
    Color:
    Black
    Size
    Height:
    294 mm / 11.57 inches
    Width:
    569 mm / 22.4 inches
    Depth:
    491 mm / 19.33 inches
    Weight:
    21 kg / 46.3 lbs
    Shipping informations
    Package Height:
    375 mm / 14.76 inches
    Package Width:
    650 mm / 25.59 inches
    Package Depth:
    500 mm / 19.69 inches
    Package Weight:
    24 kg / 52.91 lbs
    Videos
    FiRPHASE TECHNOLOGY
    R&D Electroacutic Engineer Andrea Capra
    RDNet Tutorial 1
    First part of RDNet tutorial
    RDNet Tutorial 2
    Second part of RDNet tutorial
    RDNet Tutorial 3
    Third part of RDNet tutorial
    RDNet Tutorial 4
    Fourth part of RDNet tutorial
    RDNet Tutorial 5
    Fifth part of RDNet tutorial
    .