Merging Technologies HAPI 16x16 Audio Converter and Ravenna Network Interface


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  • Meet HAPI, the son of Horus. Born from the most flexible and sonically transparent audio interface and providing the same RAVENNA / AES67 connectivity as its father, HAPI is both the perfect primary interface for smaller systems as well as the ultimate accessory for a system using Horus where control room I/O is required. Able to carry the same AD8D/AD8DP and DA8/DA8P analog cards that fit in the Horus option slots and connect to any RAVENNA or AES67 network the HAPI provides a more cost effective solution than the Horus without having to make a single compromise in quality.


    • Hand matched and hand soldered analog componentry.
    • Ardatech AT1201 A/D chip with modified HPF for enhanced performance
    • Individually calibrated quartz clocking mechanism
    • Each channel must pass over 30 noise, distortion, CMRR and level threshold tests
    • Completely balanced signal path direct to the AD
    • A/D and D/A samplerate support from 44.1 -> 384kHz, DXD & DSD64/128/256

    Digital I/O

    • 8 AES/EBU I/O (DUB)
    • 8 ADAT / 2 SPDIF (Switching)
    • RAVENNA / AES67 (RJ45)
    • Word Clock I/O

    Synchronization I/O

    • LTC
    • MTC
    • Video Reference

    Sample Rate support

    • 44.1 - 384 kHz PCM
    • DXD and DSD64/128/256

    User Interface

    • Remote control over LAN (CAT5E/CAT6)
    • Direct access on unit with rotary control

    Horus Quality, Hapi size.
    Able to hold both the standard and premium analog cards from the Horus means that Hapi owners get the exact same sound that Horus users have been winning awards with for almost 2 years now.

    RAVENNA and AES67
    Using RAVENNA (AES67 compatible), Hapi is able to provide flexible connectivity of every single input and output across standard networks, using off-the-shelf network equipment. The future is most definitely networked audio, and Hapi provides it today.

    Complete Control over LAN
    Hapi is designed to fit into hard to reach places. So, Hapi comes with the same web-browser based control interface allowing any web-enabled device to access all the parameters of each Hapi unit over the network.

    Synchronize your Network
    Hapi can be synchronized to video input (black burst or trilevel HD), word clock, network (PTP), AES-EBU, ADAT, SPDIF, MADI or internal clock. It can also serve as network grandmaster (PTP).

    The Perfect Solution for:

    Control Room I/O for RAVENNA Studios
    When Horus is doing the heavy lifting in the live room, let Hapi be the perfect complement to your RAVENNA or AES67 connected control room by providing pristine talkback and multichannel speaker outputs.

    3rd Party Workstations Welcome
    Mac or PC, users now have access to one of the most sonically impressive mic preamps and ADDA interfaces the audio industry has ever seen. Using dedicated RAVENNA/AES67 drivers, users of any software on either the Mac or PC platform are able to use Hapi as their I/O solution.

    Small I/O Stage Box
    For recording setups where smaller amounts of inputs or outputs are needed in a variety of locations around the room, Hapi provides a cost-effective solution with mind-blowing results.

    The Ultimate Mastering Interface
    With analog option cards that match a level of quality never heard of before (no pun intended) and one of the only converters ever to be known for €œnot having a sound at all€, Hapi is able to provide just the right amount of I/O without pushing budgets too far.

    Post-Production I/O
    The perfect post interface has arrived. Just enough analog and digital I/O and a comprehensive set of referenced sync options including LTC/MTC and video reference, all connected using nothing more than a simple CAT5E/CAT6 cable. And, matched with the IRIS Networked Post System, Hapi provides a professional I/O solution for the truly networked post studio.

    Installation AV with Ovation
    Match the power of Merging's multichannel audio and show sequencer with Hapi units placed strategically around the installation to provide the ultimate flexibility in creative AV.

    2 Option slots that fit any combo of:

    • 8 Channel Mic/Line Input Card (AD8D / AD8DP)
      • AD8D sample rates from 44.1 -> 192kHz
      • AD8DP sample rates from 44.1 ->384 kHz, DXD/DSD64/128/256
    • 8 Channel Line Out Card (DA8/DA8P)
      • DA8 Sample rates from 44.1 -> 192kHz
      • DA8P sample rates from 44.1 ->384 kHz, DXD/DSD64/128/256
    • 8 Channel Mic/Line Input & 8 Channel Line Out Card (ADA8)
      • Sample rates from 44.1 -> 192kHz
    • The left slot may be fitted with 64 I/O MADI coaxial/optical module (MADM/MADS)

    Note: P and “non-P" cards (Premium and Standard) can be mixed in the same unit

    Redundant Power Options:

    • Optional DC power input to be used as a redundant or alternate power source
  • Case Material Powder Coated Steel
    Front Panel Material Brushed Aluminum
    Weight (excluding redundant PS) 4.5 kg / 10 lbs
    Dimensions (1U rack mounting) 483 x 320 x 44 mm
    Voltage (AC) 90V–260V, 47–63 Hz
    Voltage (DC) 10-14V
    Power Consumption (Max) < 30 Watts
    Front Panel TFT size/resolution OLED (160x128 px)
    Headphone Monitor Jacks  
    Max output Level (Unbalanced) Load = 300 Ohms +14.5 dBu
    Output Impedance 75 ?
    Dynamic Range (A-weighted, typ) 112 dB
    THD+N (1 kHz) @ -2 dBFS < -100 dB (0.001 %)
    Gain Range (software controlled) -? dB to +12 dB
    Gain Step/Precision 1dB / ±0.05 dB
    "Sync" Cable (LTC/Video Ref/MIDI*) D-Sub 15Pin
    LTC In & Out (via “Sync” Cable) Balanced XLR
    Video Reference In (via “Sync” Cable) BNC
    MTC* (I/O via “Sync” Cable) 5-Pin DIN
    Word Clock Input (Switchable 75 ? Termination) BNC, 0.5Vp-p min
    Word Clock Output (Zout = 35 ?) BNC, 5Vp-p
    AES-EBU type / pinout DB-25 female, AES59/Tascam Digital
    ADAT / SPDIF Optical Toslink
    Heaphone Jack 1&2 6.3 mm(1/4”)/3.5mm
    RAVENNA Primary / Secondary (GbE) RJ45
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