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.

- 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

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.
Videos
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Introducing the Radial Space Heater
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Radial Space Heater Tube Summing Mixer Demo by Sweetwater
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Radial Space Heater on Drums
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Radial Space Heater on Bass
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Radial Space Heater on Guitar
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Radial Space Heater on Keyboards
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Radial Space Heater on Vocals
Reviews
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