Furmanit reference 20 itures Symmetrical balanced power with dual screen technology cancels hum-inducing noise from audio and video Five discrete power banks eliminate inter-component interference Power Factor technol...1885.00

Furman it reference 20 i discrete power source [Template]

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Ships fromDes Plaines, IL, 60016
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Original accessoriesBox, Manual
Agon-miniAverage Research Pricing


  • Symmetrical balanced power with dual screen technology cancels hum-inducing noise from audio and video

  • Five discrete power banks eliminate inter-component interference

  • Power Factor technology provides surplus current for power-starved amplifiers

  • Virtually maintenance-free AC surge suppression

  • Detachable surge suppression module for telco and cable / satellite connectors


For over 33 years, Furman has pioneered the development of AC power products for the most demanding audio, video, and broadcast professionals. Though the need for pristine AC power is nothing new, the IT-REFERENCE 20i's technology and its unique implementation are revolutionary and without peer.

The extreme AC demands encountered in the professional audio/ video arena have required technological developments far in excess of typical home theater/audiophile power products. In studios, live sound, and broadcast facilities, breakdown is unacceptable. Equipment failure or poor performance is costly. The same is true of today's home theater. Our solution based technology, extensive engineering expertise, and robust build quality have answered the challenge of today's corrupted power lines, and led to the creation of our flagship power conditioner, the IT-REFERENCE 20i.

Today's AC lines are plagued with ever increasing noise. When AC noise couples into your system's critical components, it masks low level signals and cripples performance. This low level content is critical because it relays the crucial harmonics and ambience in audio, and depth and clarity in video. With the IT-REFERENCE 20i's exclusive Discrete Symmetrical Power, video screens, projectors, CD-DVD players, pre-amplifiers, and scalers are fed linearly-filtered ultra-low-noise symmetrical power. This dramatically reduces AC noise, ensuring peak operation of your critical components. For the first time, you will see and hear your theater or audio system as it should be — uncompromised

The IT-Reference 20i's Discrete Symmetrical Power features total isolation between the filtered-high current outlets, and the isolated symmetrical power AC outlet banks. This positively breaks noiseinducing ground loops, hum bars, and power supply backwash between critical interconnected equipment, all without compromising electrical safety. Furman's newly refined Dual-Screen Transformers yield the widest bandwidth of noise-reduction possible. This enables the IT-REFERENCE 20i to uncover unprecedented levels of video and audio detail, while insuring that plasmas, LCD screens, or video projectors are free of AC ground contamination from an audio processor or power amplifiers.

The IT-REFERENCE 20i also employs our unique Power Factor Technology circuit. For the first time, low-level analog, digital, and video components are not modulated or distorted via the power amplifier's extreme AC current demands. Further, the power amplifier sees a highly filtered, extremely low-impedance supply of AC power. The IT-REFERENCE 20i, in fact, has in excess of 9 Amps of continuous current reserve (over 80 amps peak charge) for the most extreme peak power demands. This technology enables power amplifiers and powered subwoofers to work at peak efficiency and reach levels of performance previously unattainable.

No longer will your amplifier's performance be at the mercy of your home's incoming AC power or inferior AC protection/filtering devices. The net effect is as if your power amplifier doubled in power and improved immeasurably in quality.

When employing the IT-REFERENCE 20i you will immediately notice far clearer, stunningly focused sound and visual images from your system. Video presentation will be crisp and colors true with greater gray and black scale definition, as well as noticeably improved depth and clarity. Sonic transients will be startlingly fast with bass fundamentals that shake foundations with their weight and visceral impact. Mid and high frequencies will bloom with sweet, non-glaring ease while imaging improves dramatically, all the while remaining true to your system's inherent virtues.

AC Current Capacity:Input - 20 Amp capacity required
Output - 12 - 20 Amps RMS * (maximum, all outlets combined - continous)Linear Noise Attenuation:Tranverse (Differential) Mode:
> 40 dB from 10 kHz - 100 kHz, > 80 dB from 100 kHz - 1GHz
(Linear attenuation curve from 0.05 - 100 ohms line impedance)

Common Mode (video outlets):
> 75 dB, 10 Hz - 50 kHz, > 40 dB 50 kHz - 1 MHzOutlets:8 symmetrical balanced

4 Power Factor corrected amplifier circuit - 4 amps RMS reserve - resistive load - over 80 amps peak chargeTransient Voltage Surge Suppression:120 VAC - Series Multi-Stage Protection - Non-Sacrificial with Zero Ground Contamination.
(188 V peak clamping & 6000V / 3000A input)
Extreme Voltage Shutdown (>137 VAC)
Telco Cable / Satellite (less than .1dB insertion loss)Dimensions:5.75” H x 17” W x 16.25” D
(Standard 3 rack unit height without feet)Weight:81 lbs.Power Consumption:8.5 Watts for display and control circuits independant of actual loadSafety Agency Listing:C-ETLOptions:Rear rack mounting ears for standard 19” racks available (RRM-3)Warranty:The IT-REFERENCE 20i is protected by a five year limited warranty covering defects in materials and workmanship. (See manual for details)* Note:
Due to the power factor correction circuit, available RMS power varies with the reactance of the load (vector). However, this only affects the circuit breaker for continuous RMS current draw. Since power amplifiers will require high transient current demands, the IT-Reference 20i will never succumb to current compression. Quite the opposite, in fact, it will buffer the power amplifier’s power supply, while lowering the AC input impedance, allowing power amplifiers to work more efficiently

Bought new from an authorized dealer (03/03/2015) by myself. Excellent condition. Includes all original box and packing. Makes a huge improvement. The noise floor dissapears and the dynamics are amazing. Bass is much tighter and more extended and the midrange clarity is so much cleaner and the high frequencies are smoother, grain is eliminated and everything top to bottom is just much better. Black and silver finish. 20 amp version requires a 20 amp ac plug (included). Will ship lower 48 USA only. Buyer pays all PayPal fees and shipping and insurance. Thank you.  

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