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Radial Space Heater 8 Channel Summing Mixer

Radial Space Heater 8 Channel Summing Mixer
Radial Space Heater 8 Channel Summing Mixer
Radial Space Heater 8 Channel Summing Mixer
Radial Space Heater 8 Channel Summing Mixer

Radial Space Heater 8 Channel Summing Mixer

Item #110893
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Description

Radial Space Heater 8 Channel Summing Mixer

8-Channel Summing Mixer & Tube Drive

The Space Heater is an 8-channel tube overdrive that can be used as an analog summing mixer or as a multi-channel studio effects device, utilizing the tube circuitry for a range of effects from subtle warmth and grit to full harmonic distortion.

Warm up your digital tracks
The Space Heater is a high performance summing mixer that allows you to blend tracks out-of-the-box in the analog domain, with oversized output transformers and vacuum tubes for vintage warmth and character. Eight mono input channels or four stereo pairs are available, with a heat switch on each pair to adjust the voltage on the 12AX7 tube - lower voltage settings starve the tube for a more pronounced distortion effect. Separate Drive and Level controls on each channel give you complete control over each tube circuit, providing a range of tones that allow you to fatten up digital stems or provide a distorted effect on vocals, guitars or drums.

Space Heater Applications

Software insert
Use the Space Heater™ on eight individual tracks in your mix to add grit or character. Adjustable Level and Drive tailors the level of distortion from subtle to extreme.

Summing 8 or more channels to stereo
Complete your final summing out-of-the-box by sending stereo stem mixes to the Space Heater. Mix four stereo stems down to a master stereo output, or link multiple Space Heaters together for analog summing heaven!

With in-ear monitors
Get the natural feel and tone back into your in-ear monitors by adding the natural compression of tube distortion into the signal path. It's like playing in front of your amp without the stage noise!

Features:

  • 12AX7 vacuum tube overdrive & summing mixer
  • Heat switch adjusts voltage applied to each tube
  • Individual outputs to use as an 8-channel effects insert
  • Transformer-coupled outputs for vintage tone
  • On
    Used to turn on (or bypass) each of the four channel sets.
  • Bus
    Sends the channel set to the stereo mix bus and headphones.
  • Drive
    Outer control on each concentric pot sets the level going to the tube drive circuit.
  • Heat
    Sets the B+ voltage going to the 12AX7 tube with 35, 70 or 140 volts for more or less distortion.
  • Level
    Sets the output from the tube drive - acts like a master volume on a tube guitar amp.
  • Tube Drive On
    Activates the tube drive – may be bypassed to compare wet versus dry or revert to the transformer coupled signal path.
  • HPF
    High pass filter gently rolls off low frequency resonance below 40Hz to remove excessive bass.
  • Mix Bus
    Turns on the XLR outputs. Used to adjust the summing mixer output level.
  • Headphone
    Stereo 1/4" headphone output with level control.
  • Power
    Turn the Space Heater off to conserve tube life and reduce power consumption and heat.
  • Power
    5-pin locking XLR connection for the external power supply.
  • Link
    Stereo ¼” TRS link in/out bus combines 2 or more Space Heaters together for 16x2, 24x2 or 32x2 tube summing.
  • Stereo Sum Outputs
    Provide left and right summed outputs for the most luxurious old school analog character.
  • Ground Lift
    Recessed switch lifts pin-1 on the two XLR outputs to help reduce hum and buzz caused by ground loops.
  • D-Sub Outputs
    25-pin D-sub is used to send all 8 transformer isolated channels back to the mixing console or workstation.
  • Send
    Eight ¼” TRS balanced sends feed the post tube signal to an external processor or may be used as additional outputs for parallel processing.
  • Receive
    Eight ¼” TRS balanced receive jacks bring the signal back to the Space Heater and routes it to the D-Sub output or stereo mix bus.
  • D-Sub Input
    25-pin D-Sub follows the Tascam/ProTools standard and is wired in parallel to the ¼” jacks.
  • Inputs 1-8
    Eight ¼” TRS balanced inputs for easy connection to the Space Heater.
  • Warranty: Radial 3-year, transferable

Specifications:

  • Audio circuit type: Class-A tube gain stage with IC buffers
  • Number of channels: 8
  • Frequency response: 20Hz – 20Khz, +0/-3dB
  • Dynamic range: 96dB
  • Gain: [email protected], [email protected], [email protected]
  • Clip Level: +26dBu
  • Input Impedance: Bypasses: 50kΩ in parallel with your load device | Active: 100kΩ
  • Output Impedance: Balanced Output: 180Ω | Mix Bus: 100Ω
  • Common Mode Rejection Ratio: -70dBu @ 55Hz
  • Equivalent Input Noise: 103dBu
  • Noise: @ Max Gain: -64dBu @ 140V, -66dBu @ 70V, -70dBu @ 35V
  • Maximum Input: +22dBu
  • Features:
    • LPF
    • Input Connectors: 1/4" TRS, D-Sub
    • Output Connectors: XLR, 1/4" TRS, D-Sub
  • General:
    • Construction: 14 gauge steel chassis and outer shell
    • Size (L x W x D): 17.5" x 6" x 1.75" (44.5cm x 15.25cm x 4.45cm)
    • Weight: 8.5lb (3.8kg)
    • Shipping size (L x W x D): 22" x 10.375" x 4.5" (55.9cm x 26.4cm x 11.4cm)
    • Shipping weight: 9.5lb (4.3kg)
    • Power: External switching type 100V – 240V AC, 1600mA output with 5 pin XLR
    • Conditions: For use in dry locations only between 5°C and 40°C
… [ More ]
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