Radial Engineering Space Heater Analog Summing Mixer
Price RM14,910.00
Brand Radial Engineering
Size (L x W x H) 57.7 cm x 27 cm x 13 cm
Availability In Stock
  • 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

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.



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: +33dB@140V, +29db@70V, +27dB@35V
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
Input Connectors: 1/4" TRS, D-Sub
Output Connectors: XLR, 1/4" TRS, D-Sub
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