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SONOSAX – SX-AD8+

Microphone Preamps

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isa828mkii
  • Focusrite

Focusrite – ISA 828 MkII

The ISA 828MkII incorporates eight of Focusrite's classic mic preamps, with Lundahl LL1538 transformers on every input. Each channel has the option of mic or line inputs,while inputs 1-4 also feature instrument inputs on the front panel. Each mic pre has variable input impedance, to provide a range of subtly different sonic options when using microphones, including an 'ISA 110' setting, which replicates the impedance of the original Focusrite mic pre.

Up to 60dB of gain is available, with a further +20dB of continuously variable trim,providing a huge 80dB gain range. The high-pass filter has a fixed 75Hz frequency and 18dB / octave roll-off for minimising rumble, stand-borne noise and other low-frequency sounds. The ISA 828 MkII also features per-channel,six-segment LED meters, and switchable rear-panel insert points, which allow the use of inline processors such as compressors or EQs.

Dedicated connectors for mic and line-level inputs allow all sources to be connected simultaneously, making ISA 828 MkII perfect for permanent installation in a rack. A switching power supply allows for efficient, cool operation, without sacrificing sound quality or performance, and increasing reliability over its predecessor. The optional ISA ADN8 analogue-to-digital expansion card provides eight Dante, ADAT and AES3 outputs at sampling rates of up to 24-bit / 192kHz.

    Microphone Preamps
  • Dante Ch: 0x8
  • 24-bit
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Millennia_-_HV-3D_4|Millennia_-_HV-3D_4
  • Millennia

Millennia – HV-3D/4

The Millennia HV-3D is an 4-channel version of the very successful and popular HV-3C stereo preamp. The Millennia HV-3D is a 4-channel version of the very successful and popular HV-3C stereo preamp. The HV-3D combines multiple channels to minimize redundant mechanical and electrical parts. This is a tool you can build a career around: it will remain valuable and useful no matter how far your sonic explorations take you. Acquiring an HV-3D is a step off the upgrade treadmill, a step that will ultimately save you much more than your initial investment. Authentic Transparency for Unrestricted Creativity
  • Unsurpassed ambience retrieval
  • Transformerless design with matched hi-speed discrete transistor octet has 23 dB input headroom: no attenuator “pads” needed
  • Uncolored timbral accuracy at all dynamic levels
  • Entirely balanced audio path with precision components maintains signal integrity: THD under 5 ppm (.0005%)
  • Effortless, vividly realistic, musical performance
  • Laser-trimmed FET-based output stage has 32 dB headroom: drives 1000 foot (300 m) cable runs with ease
  • Standard 36-step gain controls (1.5 dB per step) are stereo matched to .08 dB
  • Ultra-clean toroid power supply
  • Gold audio connectors and switches
  • Mogami Neglex OFC audio wiring
  • Silver Teflon power wiring
  • Welded 16 gauge steel rack chassis
    Microphone Preamps
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avn-m8r-iso-300dpi
  • Sonifex

AVN-M8R 8

The AVN-M8R multi-channel Dante interface is a 19” 1U rack-mount unit which distributes 8 balanced mic/line inputs to 8 channels of Dante/AES67 on the AoIP network. Each mic/line input can be controlled remotely via a web server, with settings including, mic preamp gain and switchable phantom power. A typical application might be to distribute up-to 8 separate balanced mic and/or line feeds onto an AoIP system and routed via Dante Controller to other nodes on the network. The front panel includes clear LED indicators for power (PoE), network status and clock synchronisation, along with dedicated LEDs for secondary port link and PoE monitoring. On the rear 8 XLR balanced Neutrik connectors provide the professional mic/line interface with phantom power indicators and the unit is powered via PoE for installation savings, reliability and efficiency. Primary and secondary 1Gb ports are offered as standard to provide full power and data redundancy, ensuring an uninterrupted reliable solution in critical environments. The GPIO and VGPIO can be used to trigger events over the network between devices, such a microphone muting and other events.
    Microphone Preamps
  • Dante Ch: 0x8
  • 16-bit, 24-bit, 32-bit
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