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UPS

Furman P-1800 AR Voltage Regulator

The Furman P-1800 AR is a voltage regulator that actively corrects incoming AC voltage to a stable output, protecting your gear from the wildly varying power conditions found at outdoor festivals, older venues, and generator-powered stages. Unlike a basic power conditioner, it continuously adjusts voltage rather than just filtering noise, which prevents equipment malfunctions caused by under- or over-voltage. Essential for touring rigs that encounter unpredictable power sources regularly.

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FURMANP-1800 AR
Documented outputs
88 destination connections
Documented inputs
1Based on documented inputs
Rack space
1UBuilder checks available rail space
Power draw
UnverifiedPower requirement is not verified in the catalog
Catalog estimate
~$1,099Use retailer rows for current price and stock

01 · What it does—and what that changes in your rig.

Product overview

Start with the payoff, then work through how it functions, where it fits, and the details that change a real build.

The payoff

UPS decisions, organized around the whole rig.

The Furman P-1800 AR is not a power conditioner in the everyday sense — it is an active voltage regulator, and that distinction matters enormously when you are standing in a festival tent on generator power or patching into a 40-year-old venue panel that nobody has touched since the Carter administration. Where a standard conditioner filters noise and calls it a day, the P-1800 AR continuously monitors incoming voltage and actively corrects it, delivering a stable output regardless of what the wall is doing. For a touring IEM or playback rig, that is the difference between a show and a very expensive paperweight.

Documented outputs
88 destination connections
Documented inputs
1Based on documented inputs
Rack space
1UBuilder checks available rail space
FURMANP-1800 AR
Furman product panel1U · Unverified
Function

How it works in the path

Thirteen and a half kilograms in a single rack unit tells you this is not a lightweight filtering strip with a nicer faceplate — there is real transformer iron in here doing real work. The unit draws no meaningful power of its own and passes up to 15 amps downstream across eight rear NEMA outlets, which is enough to supply a fully loaded IEM rack cleanly. At load-in, the practical value is immediate: plug it in, watch your downstream gear come up stable, and stop worrying about whether the house electrician's idea of 120 volts matches yours. At show time, if the generator load shifts mid-set, the regulator absorbs that variation before your Shure PSM or Aviom system ever sees it.

Best fit

Where it earns its place in the rack

This unit belongs in any touring rack that regularly visits venues where power quality is a known gamble — outdoor festivals, amphitheaters on long generator runs, international touring where voltage swings are common even on 120V-compatible supplies, or any rig where a single unexplained reboot mid-show is unacceptable. If your rig lives permanently in a well-maintained install with clean, stable utility power, the P-1800 AR is more than you need and the $1,099 is better spent elsewhere. Also be clear about what it is not: this is not a UPS, so a hard power cut will still drop your rig instantly — pair it with a UPS upstream if blackout protection is also a requirement.

In the rack

Details worth deciding before load-in.

  • Position it at the bottom of the rack rather than the top — at nearly 14 kg it improves rolling stability and keeps the center of gravity low, which matters when you are wrestling the case up a ramp.
  • Budget your downstream load carefully: 15 amps at 120V gives you roughly 1,800 watts total. Add up the actual draw of every device on those eight outlets before load-in so you are not hunting a tripped breaker during soundcheck.
  • On generator-powered stages, give the P-1800 AR a few minutes after power-up before bringing sensitive digital gear online — let the regulator stabilize the output first, especially if the generator is still warming up and hunting for its idle.
  • If you are also running a UPS for blackout protection, put the UPS upstream of the P-1800 AR so the regulator is always seeing clean, stable UPS output rather than forcing the UPS to correct a swinging input on its own.

02 · Know the whole path before you buy.

Signal path

Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.

Interactive block diagramAuto-looping · hover, focus, or tap to hold a stage
Port-type signalProduct functionSystem boundary
Follow one signal from source to destination

Each block answers the same three questions: what arrives, what changes here, and what leaves.

01 · Source · selected
01 · Source

1 documented input

nema 5 15

Arrives as
1 documented input
Connector
nema 5 15
Signal
power

03 · What this product asks of the rest of the system.

Compatibility

Treat connector names as the start of the check—not the answer. These are the boundaries that determine a complete working path.

Best fit · UPS

Use it when 1U and 290 mm of depth fit the case.

Plan the companion path

Complete the path with upstream and downstream gear that matches connector, direction, signal type, protocol, and wiring standard.

Connector boundary

Documented connectors: nema 5 15. Match connector, direction, and signal type—not shape alone.

04 · Every connector, grouped by job.

I/O ports

Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.

Every connector, grouped by job.

Switch panels to keep the hardware view and the documented port list in sync.

Front panel
FURMANP-1800 AR
Rear panel
FurmanP-1800 AR
All documented ports for Furman P-1800 AR Voltage Regulator
PortPanelConnectorDirectionSignalChannels
Power In (NEMA)rearnema 5 15 inputpower—
AC Out Rear 1rearnema 5 15 outputpower—
AC Out Rear 2rearnema 5 15 outputpower—
AC Out Rear 3rearnema 5 15 outputpower—
AC Out Rear 4rearnema 5 15 outputpower—
AC Out Rear 5rearnema 5 15 outputpower—
AC Out Rear 6rearnema 5 15 outputpower—
AC Out Rear 7rearnema 5 15 outputpower—
AC Out Rear 8rearnema 5 15 outputpower—

Showing 9 of 9 documented physical ports.

05 · Compare the decision, not just the price.

Alternatives

The rows are organized around fit, power, I/O, and system role so a cheaper unit cannot hide a more expensive workflow.

Compare
CyberPower OR1500LCDRM1U UPS
External unit
CyberPower CP1500PFCLCD UPS
Fit📐 1U📐 1U📐 Outside rack📐 Outside rack
Power⚡ Unverified⚡ Unverified⚡ Unverified⚡ Unverified
Weight⚖️ 30.0 lb⚖️ 27.6 lb⚖️ 28.0 lb⚖️ 26.9 lb
I/O🔌 9🔌 8🔌 2🔌 12
Estimate💵 ~$1,099💵 ~$449💵 ~$299💵 ~$289
Deep diveCurrent selectionFull comparison →Full comparison →Full comparison →

06 · Resolve the questions that can change the purchase or build plan.

Planning questions

Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.

How will the Furman P-1800 AR Voltage Regulator affect rack fit and case depth?

It occupies 1U. Its documented depth is 290 mm.

How much power does the Furman P-1800 AR Voltage Regulator draw?

Its power requirement is not yet verified in the catalog.

What connections does the Furman P-1800 AR Voltage Regulator have?

9 documented physical ports, including Power In (NEMA), AC Out Rear 1, AC Out Rear 2, AC Out Rear 3, AC Out Rear 4, AC Out Rear 5.

07 · See this unit inside a real rack plan.

Builder preview

Placement is only the start. Builder checks space · depth · weight, power headroom, dependencies, and compatible signal paths around this exact catalog item.Open in Builder
P-1800 AR Voltage Regulator positioned in a rack planA simplified plan shows the unit taking 1 rack units, with its documented connection path continuing to a planned destination.FurmanP-1800 ARCONNECTED GEARnext signal destination1U · 290 mm deep

08 · Related gear, in the order you may need it.

Planning guides for ups systems.