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Furman SPR-20i 12-Outlet Stable Power AC Voltage Regulator

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  • $ 2,219

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Clean and condition your AC power, protect equipment from over voltage, and provide a constant, ultra-stable 120 VAC supply to voltage starved amplifiers with SPR-20i. 


  • Provides an ultra-stable 120 VAC supply from low or high voltage sources
  • Linear Filtering Technology for unequaled audio and video clarity
  • Cool running, noise free technology allows placement in critical listening environments
  • Front-panel digital LED meter displays input voltage or output current w/ toggle button
  • SMP non-sacrificial surge suppression w/ Extreme Voltage Shutdown


  • Family: Reference Series
  • Line Voltage: 120 (Volts)
  • BlueBOLT Enabled: No
  • Power Factor Technology: No
  • Number of Outlets: 12
  • Number of Isolated Banks: 3
  • Outlet Descriptions: 4 (linearly filtered outlet – rear panel); 8 (linearly filtered outlet with additional ultrasonic filtering for digital or video components)
  • Rack Mountable: Yes
  • Rack Ears Included: Yes
  • Front Panel Meter(s): LED voltmeter/ammeter displays incoming voltage and output current draw
  • Front Media Light(s): No
  • Control On / Off switch on front panel
  • Voltage Regulation Regulation capture range: 113 VAC to 126 VAC
  • Output Voltage:120 VAC ±1V; will regulate well beyond 113VAC to 126, but not within 1.0VAC
  • Compliance: C-ETL
  • USB Charging: N/A
  • Low Voltage Trigger: N/A
  • Dimensions: 4"H x 17"W x 15.625"D (Standard 2 RU height without feet)
  • Weight: 31 lbs.
  • Power Consumption: 12 Watts for display and control circuits independent of actual load
  • AC Protection: AC Protection Technology Voltage Regulation
  • Extreme Voltage Shutdown: Series Multi-Stage Protection; Non-sacrificial protection with zero ground contamination
  • Automatic Voltage Shutoff: Yes
  • Under-Voltage Shutoff: N/A
  • Over-Voltage Shutoff: 140V ±3V
  • Maximum Current Rating: 20 (Amps)
  • Initial Clamping Level: 188 VAC peak @ 3,000 Amps
  • Filtration: Filtration TechnologyLiFT
  • Filtration Rating: Tranverse (Differential) Mode: > 40dB from 10kHz - 100kHz; > 80dB from 100 kHz - 1GHz (Linear attenuation curve from 0.05 - 100 ohms line impedance)
  • Common Mode (video outlets): > 75dB, 1Hz - 50 kHz; > 40dB 50kHz - 1 MHz
  • Signal Line Protection: Signal Line Protection 1 Tel; 3 Cable / Satellite

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov



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