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Phonic Helix Board 18 FireWire Audio Mixer

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Product Description

The Phonic Helix Board 18 FireWire is an incredible new mixer that sounds great and works hard both in and out of the studio.

The Helix Board 18 FireWire features an interface that can individually stream up to 16 independent channels of audio to the computer and return two tracks for monitoring, all at screaming fast transfer rates of up to 24-bit/96 kHz with a near-zero latency.

An onboard 24-bit digital multi-effect processor provides 16 popular programs plus one main parameter control, tap delay and foot switch jacks.

There are 8 extremely low noise Mic preamps, each with phantom power, spread across six mono Mic/Line channels with 75 Hz low cut filters, and four stereo Line channels. Each Mic channel has a 3-band EQ (six with swept mid), and two stereo channels have a 4-band EQ. A 10-band system graphic equalizer can be assigned to Main Outs or Aux 1. Mini stereo and stereo RCA inputs and outputs make the addition of digital and analog playback and recording devices effortless, while trim control makes record out level matching trouble-free.

Additional features include three Aux sends, two stereo Aux returns, input and output solo, two true subgroups and a rack mounting kit.

Phonic Helix Board 18 FireWire Features

  • 18-input small-format analog mixer with extremely low noise circuitry
  • 96 kHz FireWire interface for streaming 16 independent channels of audio to computer with near-zero latency
  • Compatible with Mac OS X and Windows XP
  • Two channels of monitoring from computer via FireWire interface, can be assigned to control room monitors, main mix and AUX 1
  • DFX, Phonic's 24-bit digital multi-effect processor with 16 programs plus one main parameter control, tap control and foot switch jacks
  • Six Mic/Line channels with inserts
  • 8 Mic preamps
  • Four stereo Line channels
  • 3-band EQ with swept mid-range
  • 75 Hz low-cut filter on mono channels
  • Three AUX sends, one with Pre/Post switch
  • Two stereo AUX returns with effect to monitor level control
  • Mini Stereo I/O and stereo RCA I/O each with trim control
  • +48V phantom power on Mic channels
  • Solo feature on each input and output
  • Stereo 10-band graphic EQ, assignable to main mix or AUX 1 send
  • Two true subgroups with main L and R routing switches
  • Rec out with trim control for recording level matching
  • Built-in switching power supply with universal connector, 100-240 VAC, 50/60 Hz
  • Comes with Steinberg Cubase LE
  • Rack-mounting kit included

Product Specifications

Phonic Helix 18 FireWire Mixer Specifications

  • Total Channels: 10
  • Balanced Mono Mic / Line channel: 6
  • Balanced: Mic / Stereo Line channel 2
  • Balanced Stereo Line Channel: 2
  • Aux Returns: 2
  • 2T Input: Mini stereo and stereo RCA


  • Main L/R Stereo: 2 x 1/4-inch TRS, Bal. & 2 x XLR
  • Rec Out with Trim Control: Mini stereo and stereo RCA
  • CTRL RM L/R: 2 x 1/4-inch TS
  • Phones: 1
  • FireWire Interface: 16 out & 2 in, 24-bit / 96 kHz
  • Channel Strips: 10
  • Aux Sends: 3
  • Pan/Balance Control: Yes
  • Volume Controls: 60mm fader

    Master Section

  • Aux Send Masters: 3
  • Master Aux Send Solo: 3
  • Stereo Aux Returns: 2
  • Aux Return Assign to Subgroup: 1
  • Effects Return to Monitor: 2
  • Global AFL/PFL Solo Mode: Yes
  • Phones Level Control: Yes
  • Faders: Aux return 2, Aux 1, 2 subgroups, Main L & R


  • Number of Channels: 2
  • Segments: 13

    Phantom Power Supply

  • +48V DC
  • Switches: Master

    Effect Processor

  • 16 effects with one main parameter control, tap delay control, foot switch (effect on/off, tap)

    Built-in Graphic EQ

  • Stereo 10-band
  • Center Frequencies: 40, 80, 160, 315, 630, 1.25k, 2.5k, 5k, 10k, 16kHz
  • Range: ±12 dB

    Frequency Response (Mic input to any output)

  • 20Hz ~ 60KHz +0/-1 dB
  • 20Hz ~ 100KHz +0/-3 dB

    Crosstalk (1KHz @ 0dBu, 20Hz to 20KHz bandwidth, channel in to main L/R outputs)

  • Channel fader down, other channels at unity: <-90 dB

    Noise (20Hz~20KHz; measured at main output, Channels 1-4 unit gain; EQ flat; all channels on main mix; channels 1/3 as far left as possible, channels 2/4 as far right as possible. Reference=+6dBu)

  • Master @ unity, channel fader down: -86.5 dBu
  • Master @ unity, channel fader @ unity: -84 dBu
  • S/N ratio, ref to +4: >90 dB

    Microphone Preamp E.I.N. (150 ohms terminated, max gain)

  • <-129.5 dBm

    THD (Any output, 1KHz @ +14dBu, 20Hz to 20KHz, channel inputs)

  • <0.005%

    CMRR (1 KHz @ -60dBu, Gain at maximum)

  • 80dB

    Maximum Level

  • Mic Preamp Input: +10 dBu
  • All Other Input: +22 dBu
  • Balanced Output: +28 dBu


  • Mic Preamp Input: 2 K ohms
  • All Other Input (except insert): 10 K ohms
  • RCA 2T Output: 1.1 K ohms
  • All other outputs: 200 ohms

    Equalization 3-band, +/-15 dB

  • Low EQ: 80 Hz
  • Mid EQ (mono channel): 100-8k Hz, sweepable
  • LMid EQ (stereo channel): 800 Hz
  • HMid EQ (stereo channel): 3 kHz
  • Hi EQ: 12 kHz
  • Low cut filter: 75 Hz (-18 dB/oct)

    Built-in Power Supply

  • 100-240 VAC, 50/60 Hz


  • 11.2 lbs (5.1 kg)

    Dimensions (WxHxD)

  • 16 x 3.5 x 14 inches (407 x 89 x 357 mm)

Helpful Info about the Manufacturer
Phone:  800-877-6863 Warranty:  Prior to Jan 1st 2005, 1 year parts and labor. After Jan 1st 2005, 3 years parts and labor.
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