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P-6900 AR E OWNER’S MANUAL
FURMAN P-6900 AR E FEATURES
True RMS Voltage Regulaon• - A 30 amp ultra-low noise toroidal autoformer with microprocessor control
SMP• (Series Mul-Stage Protecon) with EVS (Extreme Voltage Shutdown)
LiFT• (Linear Filtering Technology) with zero ground contaminaon
Nine total regulated, ltered and protected rear panel AC outlets and two front panel convenience outlets•
230V or 240V output (switchable)•
Dimmable/Switchable true RMS digital ammeter and laboratory precise voltmeter•
Tri-color voltage range indicator (complements numerical voltage reading - even when viewed at a distance from the display)•
Front panel USB connector charges most portable media devices and cell phones•
30 amp (6900 wa) maximum current capacity•
C-form male inlet and 30A outlet (C-form female cord-end connector included) •
Five year limited warranty•
INTRODUCTION
Thank you for purchasing a Furman Presge Series Voltage Regulator/Power Condioner, and congratulaons on your choice. The
Presge Series P-6900 AR E features Furman’s True RMS Voltage Regulaon, Series Mul-Stage Protecon (SMP) circuit, and our exclu-
sive Linear Filtering Technology (LiFT). Together, these technologies comprise precisely what our customers have grown to expect from
Furman: uncompromised protecon and puricaon. The P-6900 AR E has been precisely engineered to more than meet the crical
demands of sound reinforcement, recording studios, broadcast facilies, remote A/V work, and discerning musicians alike.
The Furman P-6900 AR E is intended to protect sensive electronic equipment from problems caused by AC line voltage irregulari-
es—brownouts or over-voltages that can cause audio tonal changes, digital equipment malfuncon (such as loss of MIDI programs
or other data), or, in extreme cases, permanent damage. It accepts input voltages over a wide AC voltage range and converts them to
a steady, stable output of either 230V or 240V (switchable), plus or minus 10 volts. Voltages approximately ±10% beyond the capture
range may be converted to usable levels, depending on the requirements of the equipment. This stable voltage protects equipment
and allows opmal performance. If you frequently move your rack to dierent locaons, derive power from generators, use excessive-
ly long extension cords, travel internaonally, or are in an area prone to brownouts, you will benet greatly from the use of a Furman
P-6900 AR E.
DESCRIPTION
True RMS Voltage Regulaon Technology
True RMS Voltage Regulaon is designed around an ultra-low noise eight-tap toroidal autoformer. A microprocessor within the P-6900
AR E monitors the incoming RMS voltage with each cycle, measuring the phase angle in me with the advancing cycle. Most com-
mercial voltage regulators using mulple-tapped transformers switch taps at uncontrolled mes. This creates voltage spikes and clicks
that can leak into audio. When a voltage uctuaon requires correcon by the P-6900 AR E, True RMS Voltage Regulaon advances a
new tap with less stress and in turn avoids distoron to the AC waveform. Hysteresis in the P-6900 AR E circuits avoids the unneces-
sary switching back and forth between the adjacent taps (or “chaer”) found in many commercial voltage regulators. If necessary, True
RMS Voltage Regulaon technology can switch taps as oen as once each cycle and do so with a shorter recovery me than a com-
mercial voltage regulator. In addion, and unlike voltage regulators that employ ferro-resonant transformers, the P-6900 AR E is not
sensive to small errors in line frequency, making it ideal for use with generators.
The P-6900 AR E has nine receptacles on the rear panel and two convenience receptacles on the front panel. All are funconally
interchangeable in terms of voltage regulaon, protecon and ltering. However, there are dierences in the current that can pass
through them. Two front panel and six rear panel IEC 320 female receptacles can provide up to 10 amps capacity; two IEC C-19 female
receptacles provide up to 16 amps capacity; and one C-Form female receptacle provides 30 amps capacity (no combinaon of the
eleven receptacles can supply more than 30 amps). Addionally, the autoformer’s toroidal design assures minimal leakage of stray
magnec elds.
Note: P-6900 AR E is for use with AC voltage only. DC voltages should never be applied. Also, it does not change or regulate line fre-
quency. The output frequency will always be the same as the incoming frequency.
SMP (Series Mul-Stage Protecon) with EVS (Extreme Voltage Shutdown)
Furman’s SMP (Series Mul-Stage Protecon) surge suppression virtually eliminates service calls and costly “down me”. Tradional
surge suppression circuits sacrice themselves when exposed to mulple transient voltage spikes, requiring the dismantling of your
system and repair of your surge suppressor. Not so with Furman’s SMP. With SMP, damaging transient voltages are safely absorbed,