Furman S-5500 Sequencing Power Conditioner

Item # 105135768 | Customer Ratings: Ratings (Based on 2 reviews)

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Furman S-5500 Sequencing Power Conditioner

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      Furman S-5500 Sequencing Power Conditioner (105135768)
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      Furman S-5500 Sequencing Power Conditioner (105135768)
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Protect your sound from outside noise caused by EMI and RFI.

Your audio/video components are constantly being bombarded by electromagnetic interference (EMI) and radio frequency interference (RFI) through their power cords. This contaminated power can affect audio/video equipment and will degrade the overall performance of your entire system. Common symptoms of contaminated power include pops, hisses, hums, and visual artifacts.

The Furman S-5500 power conditioner is designed to filter this noise, supply clean power to your system, and provide noise isolation between the outlet so that any noise created by an A/V component can not contaminate the power going to equipment plugged into the other outlet banks.

Sequential Startup/Shutdown

Complex audio/video systems may be susceptible to voltage transients generated internally at start-up/shutdown if all of the equipment is powered on or off at the same time. This can cause speaker "thumps" which are not only annoying but can also damage the speakers. The Furman S-5500 is designed to eliminate these transients by providing a "start-up" delay for the Amplifier outlets and a "shutdown" delay for the Switched Outlet Bank. This allows the components plugged into the Switched Outlet Bank to power-up and stabilize before any amplifiers, powered monitors, or powered subwoofers are turned on. This sequence is reversed during shutdown. The amplifiers, powered monitors, and powered subwoofers turn off, their power supplies drain, and then the equipment plugged into the Switched Outlet Bank is turned off.

Voltage Sense Trigger

This feature provides an ON/OFF trigger for the S-5500 using a Direct Current voltage signal. The presence of this power signal will turn on the S-5500's switched outlets. When the source component is turned off, the voltage trigger signal is also turned off and the S-5500 power conditioner's shutdown sequence is initiated. An AC adapter of the appropriate voltage, plugged into a switched outlet, may also be used if a DC trigger is not built in.

The S-5500 voltage sense trigger input uses a standard 3.5mm (1/8") mini-plug jack. This jack has a built-in electrically isolated switch. If nothing is inserted into the input jack, the voltage sense is bypassed and the Power Button on the front panel has sole control of the startup/shutdown sequence. If a plug is inserted into the input jack, the front panel switch is bypassed and the voltage sense becomes the startup/shutdown trigger. Please Note: The unit needs to be plugged in, and in the powered OFF state before inserting the DC input trigger mini-plug.

Automatic Extreme Voltage Shutdown (EVS)

Furman's EVS power monitoring circuitry constantly monitors the AC line voltage for unsafe voltage conditions such as prolonged over-voltages and under-voltages (brownouts). These unsafe conditions pose a very dangerous threat to all electronic equipment. If the S-5500 senses an unsafe power condition, it will automatically disconnect your equipment from the power to protect equipment from damage. Once the voltage returns to a safe level, the S-5500 will automatically reconnect the power.

Catastrophic AC Surge Protection:

When the S-5500 is subjected to a high-voltage surge, its voltage output is limited to a safe level and the high levels of surge current are diverted away from the connected equipment.
• When subjected to a 6,000V (open circuit voltage) / 500A (short circuit current) surge, the S-5500 limits its voltage output to less than 330V peak. The Furman S-5500 will withstand, without damage, 20,000A surges.
• If the magnitude of the surge is greater than the capacity of the surge protection components, the S-5500's Catastrophic AC Surge Protection will disconnect your equipment in order to protect it.

Broadband Data Line Protection

Furman's Broadband Data Line Protection provides application specific protection for your Broadband Data Line equipment. Two lines of protection are provided in each bank. The jacks are not labeled In and Out. The circuitry is bidirectional in both signal transmission and protection capabilities, making it compatible with the latest Broadband Data technologies.

Telephone Line Protection

The S-5500 also provides surge protection for this line. One pair of RJ-11 telephone jacks is provided for telephone lines. The circuitry utilizes auto-resetting PTCRs and solid state SIDACtors for reliability and extraordinary protection. The clamping level of the S-5500 power conditioner's telephone protector is 260 volts. This will allow typical ring voltage (90 - 130VAC) and operating battery voltage (-48DC) to pass through the circuit and still protect the modem on your Broadband Data Lines from damage.

With our Guaranteed Lowest Price, you can be assured of complete satisfaction and the lowest available price, or your money back!

Furman S-5500 Sequencing Power Conditioner Features:

  • Sequential Startup/Shutdown for avoiding voltage transients
  • Voltage sense trigger
  • EVS power monitoring circuitry
  • Catatastrophic AC surge protection
  • Broadband data line protection
  • Telephone line protection
  • Power LED indicators
  • Wiring OK LED
  • Digital voltmeter
  • Unsafe voltage indicator
  • Convenience outlet
  • Meter dimmer
  • Ground lug
  • Circuit breaker
  • 3 outlet banks
  • 2 broadband banks
  • 4 LAN/Phone jacks
  • Includes:
  • One telephone patch cord
  • Rack mount bracket kit
  • Power cord
  • Two coaxial cables


Furman S-5500 Sequencing Power Conditioner Specifications:

  • AC Power
  • Line Voltage: 120V, 60Hz
  • Total Current Capacity: 15A
  • UL1449 Suppression Rating: 330V
  • Initial Clamping Level: 200V
  • Energy Dissipation: 1815 Joules
  • Peak Impulse Current: 73,000 Amps
  • Catastrophic Surge Circuit
  • Thermal Fusing
  • Over-voltage shutoff: 142 VAC ±5 VAC
  • Under-voltage shutoff: 90 VAC ±3VAC
  • EMI/RFI Noise Filtration
  • Banks 1 & 2: 90db, 100kHz — 2MHz
  • Bank 3, High Current Outlets: 60db, 100kHz - 2MHz
  • Broadband Data Line Circuit
  • Bidirectional
  • Shielded
  • Clamping Level: 75V
  • Frequency Range: 0MHz - 2.2GHz
  • Insertion Loss < 0.5dB
  • Connections: Female "F", Gold-plated
  • LAN Circuit
  • Clamping Level: 8V ±2V
  • Jacks: RJ-45
  • Wires Protected: 4-Wires, Pins 1, 2, 3 & 6
  • Telephone Circuit
  • Fuseless/Auto-resetting: Yes
  • Clamping Level: 260V
  • Capacitance: 30pf (approx.)
  • Suppression Modes: Metallic & Longitudinal
  • Jacks: RJ-11
  • Wires Protected: 2-Wire, Pins 4 & 5
  • DC Trigger Input
  • Jacks: 3.5mm (1/8") mini-plug
  • Voltage and Polarity: 3 - 24V DC, bidirectional
  • Current Requirement: 4.6 mA @3V, 58 mA @24V


Product Reviews

Based on 2 reviews)
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  • Are you kidding me?

    As reviewed by S. Martin on 5/20/2011

    I purchased this exact (and I mean this particular unit) two weeks ago; I brought it home, plugged it in, and found Bank 2 and Bank 3 would not go on. I downloaded the owner's manual; I ended up calling Furman, where the tech support guy told me the unit was defective. I brought this unit back (which I wasn't happy about, since I liked the way it looked, and the one bank that worked did a fine job), and saw it here for sale the day after I brought it back! Be certain to check it out before you buy it! I have no idea what they would have done in the 24 hours after I brought it back, but the GC sales associate had told me the unit was to be sent back to Furman. I have not had very good experiences with GC on purchasing used equipment; so far I have had to return everything because of malfunctions. Guess they're being returned for a reason! I wish the company would be more selective and more thorough on checking out their incoming used inventory. This particular unit is no exception.

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  • not so sure...

    As reviewed by jeffrey deasel on 10/17/2010

    i went out on a limb and bought this unit with no reviews. i have a traditional UPS, and it worked fine, but i thought i would invest in a FURMAN power sequencer/conditioner hoping it would silence all interference. trust me, i have a rack system using the best cables money can buy, mostly balanced XLR cables. after hooking up everything, double checking all of my connections, there was just as much noise coming from the FURMAN, if not more than the UPS i was using. i thought the whole point of getting one of these was to eliminate all or most of the noise coming from the a/c outlet. i'm just not sure if this was worth it, i'm actually thinking about going back to my UPS. maybe there is another unit that can do a better job than this one. just think about it before you buy it.

    1 of 1 people found this review helpful.

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