Furman Sound Power Supply PL PRO DE II User Manual

SPECIFICATIONS  
Maximum surge current (M-8, M-8L, M-8D):  
4,500 amps  
Current rating:  
15 amps (1800 watts at 120 VAC)  
Noise attenuation (M-8, M-8L, M-8D):  
Transverse mode: Greater than 50 dB, 1 to  
100 MHz  
Line Cords:  
6 ft. captive, 14 AWG, with 3-conductor  
Edison Plug  
Mechanical:  
Dimensions(M-8, M-8L, M-8D):  
1.75” H x 19” W x 7.5” D.  
Dimensions(M-10):  
1.75” H x 19” W x 3.96” D.  
Weight: 5 lbs (2.3 kg).  
Lamps (if present):  
2 x 5 watts  
AC Voltmeter (if present):  
Range 60 to 150 VAC; accuracy +/- 2 VAC  
Construction: Steel chassis, black painted  
Operating Voltage:  
90 to 140 VAC  
Power Consumption:  
M-8, 6 watts  
Spike Protection Modes (M-8, M-8L, M-8D):  
Line to neutral  
M-8L, 14 watts  
M-8D, 14 watts  
M-10, 0 watts  
Spike Clamping Voltage(M-8, M-8L, M-8D):  
188 Vpk @ 3,000 amps, (133 VAC RMS)  
Safety Agency Listings:  
TUV, TUV-C  
Furman Sound, Inc.  
1997 South McDowell Blvd.  
Petaluma, California 94954-6919 USA  
Phone: 707-763-1010 Fax: 707-763-1310  
111904-D  
 
THE FURMAN MERIT SERIES  
THE FURMAN MERIT SERIES  
IMPLIED, INCLUDING BUT NOT LIMITED  
TO THE IMPLIED WARRANTIES OF  
I N T R O D U C T I O N  
S E R V I C E  
4. The Merit Series units should only be  
MERCHANTABILITY AND FITNESS FOR  
A PARTICULAR PURPOSE. Manufacturer  
does not warrant against damages or defects  
arising out of improper or abnormal use of  
handling of the Product; against defects or  
damages arising from improper installation,  
against defects in products or components  
not manufactured by Manufacturer, or  
against damages resulting from such non-  
Manufacturer made products or components.  
This warranty shall be cancelable by  
Manufacturer at its sole discretion if the  
product is modified in any way without written  
authorization from Furman Sound. This  
warranty also does not apply to Products upon  
which repairs have been affected or attempted  
by persons other than pursuant to written  
authorization by Manufacturer.  
Before returning any equipment for repair,  
please be sure that it is adequately packed  
and cushioned against damage in shipment,  
and that it is insured. We suggest that you  
save the original packaging and use it to ship  
the product for servicing. Also, please enclose  
a note giving your name, address, phone  
number and a description of the problem.  
Thank you for purchasing a Furman Merit  
Series Power Distributor or Conditioner, and  
congratulations on your choice. The Merit  
Series power conditioners feature excellent  
surge protection as well as RFI / EMI filtration.  
connected to a 120 VAC, 60Hz, 15 amp  
grounded electrical outlet. Do not defeat the  
ground or change polarization of the power  
plug.  
5. Route the power cord and other cables so  
that they are not likely to be walked on, tripped  
over, or stressed. Pay particular attention to  
the condition of the cords and cables at the  
plugs, and the point where they exit your Merit  
Series unit. To prevent risk of fire or injury,  
damaged cords and cables should be replaced  
immediately.  
SAF E T Y I N F O R MAT I O N  
To obtain best results from your Furman Merit  
Series unit, please read this manual carefully  
before using.  
NOTE: All equipment being returned for  
repair must have a Return Authorization (RA)  
Number. To get an RA Number, please call the  
Furman Service Department: (707) 763-1010,  
ext. 121. Please display your RA Number  
prominently on the front of all packages.  
WA R N I N G  
To reduce the risk of electrical shock, do not  
expose this equipment to rain or moisture.  
Dangerous high voltages are present inside  
the enclosure. Do not remove the covers.  
Refer servicing to qualified personnel only.  
The lightning flash with an arrowhead symbol  
is intended to alert the user to the presence  
of un-insulated dangerous voltage within the  
product’s enclosure that may be of sufficient  
magnitude to constitute a risk of electric shock.  
6. Clean your Merit Series unit with a damp  
cloth only. Do not use solvents or abrasive  
cleaners. Never pour liquid on or into the unit.  
7. Your Merit Series unit should be serviced by  
qualified service personnel when:  
THIS WARRANTY IS EXCLUSIVE. The sole  
and exclusive obligation of Manufacturer shall  
be to repair or replace the defective Product  
in the manner and for the period provided  
above. Manufacturer shall not have any other  
obligation with respect to the Products or  
any part thereof, whether based on contract,  
tort, strict liability or otherwise. Under no  
circumstances, whether based on this Limited  
Warranty or otherwise, shall Manufacturer be  
liable for incidental, special, or consequential  
damages. Manufacturer’s employees or  
representatives’ ORAL OR OTHER WRITTEN  
STATEMENTS DO NOT CONSTITUTE  
WARRANTIES, shall not be relied upon by  
Purchaser, and are not a part of the contract  
for sale or this limited warranty. This Limited  
Warranty states the entire obligation of  
• The power supply cord or the plug has been  
frayed, kinked, or cut.  
• Objects have fallen or liquid has spilled into  
the unit.  
• The unit has been exposed to rain or other  
moisture.  
• The unit does not appear to operate normally.  
• The unit has been dropped, or the enclosure  
has been damaged.  
IMPORTANT SAFETY  
INSTRUCTIONS  
(Please read prior to installation)  
1. Please read and observe all safety and  
operating instructions before installing your  
Merit Series unit. Retain these instructions for  
future reference.  
• The retractable lights have failed.  
8. Your Merit Series unit requires that a safety  
ground be present for proper operation. Any  
attempt to operate the unit without a safety  
ground is considered improper operation and  
could invalidate the warranty.  
2. Your Merit Series unit should not be used  
near water – for example, near a bathtub,  
washbowl, kitchen sink, laundry tub, in a wet  
basement, near a swimming pool, etc.  
Manufacturer with respect to the Product. If  
any part of this Limited Warranty is determined  
to be void or illegal, the remainder shall remain  
in full force and effect.  
9. Do not attempt to service your Merit Series  
unit beyond what is described in this manual.  
All other servicing should be referred to  
qualified service personnel.  
3. Do not place your Merit Series unit near  
heat sources such as radiators, heat registers,  
stoves, or other appliances that produce heat.  
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THE FURMAN MERIT SERIES  
THE FURMAN MERIT SERIES  
frequencies than the 50 or 60 Hz AC line, it can  
be effectively reduced through use of low-pass  
filtering.  
2.) Symptom: No power to the AC outlets,  
The M-8L and M-8D utilize a dimmer control  
F EATU R E S  
for the two retractable front panel light tubes.  
The dimmer knob controls the brightness  
of both light fixtures. Turn it clockwise to  
increase brightness; turn it counterclockwise  
to decrease brightness. When the lights  
are not in use, we recommend turning the  
racklight’s switch to off to better maximize the  
life of the bulbs.  
Possible Cause: Either the AC outlet to which  
your Merit Series device is connected has  
no AC voltage present, or the unit has been  
subjected to a sustained voltage in excess of  
400 Volts.  
M-10  
The M-10 power distributor is a convenient way  
to power your rack. It provides 10 outlets on its  
rear panel and carries a 15 amp rating with a  
circuit breaker.  
ONE YEAR LIMITED  
WARRANTY  
Action Needed: Plug the Merit Series unit into  
an AC receptacle where AC voltage is present.  
If the problem persists, the protection circuit  
may be damaged, and require factory service.  
Furman Sound, Inc., having its principal place  
of business at 1997 South McDowell Blvd.,  
Petaluma, CA 94954 (“Manufacturer”) warrants  
its Merit Series (the “Product”) as follows:  
M-8  
The M-8 power conditioner provides 9 switched  
outlets for powering equipment. It not only  
protects anything plugged into it from spikes  
and surges, but also has a built in AC noise  
filter to rid the system of RFI / EMI interference.  
This allows equipment to function better and  
last longer.  
Digital Voltmeter: (M-8D)  
Furman’s digital voltmeter continually  
measures incoming voltages within a typical  
tolerance of +/-2VAC. It should be noted  
that the voltage reading is incoming. No  
adjustment should be necessary on these  
units.  
Manufacturer warrants to the original  
DEFINITIONS  
Purchaser of the Product that the Product  
sold hereunder will be free from defects in  
material and workmanship for a period of one  
year from the date of purchase. The Purchaser  
of the product is allowed fifteen days from  
the date of purchase to complete warranty  
registration by mail or on-line at the Furman  
website. If the Product does not conform to this  
Limited Warranty during the warranty period  
(as herein above specified), Purchaser shall  
notify Manufacturer in writing of the claimed  
defects. If the defects are of such type and  
nature as to be covered by this warranty,  
Manufacturer shall authorize Purchaser to  
return the Product to the Furman factory or to  
an authorized Furman repair location. Warranty  
claims should be accompanied by a copy of  
the original purchase invoice showing the  
purchase date; this is not necessary if the  
Warranty Registration was completed either via  
the mailed in warranty card or on-line website  
registration. Shipping charges to the Furman  
factory or to an authorized repair location must  
be prepaid by the Purchaser of the product.  
Manufacturer shall, at its own expense, furnish  
a replacement Product or, at Manufacturer’s  
option, repair the defective Product. Return  
shipping charges back to Purchaser will be  
paid by Manufacturer.  
SPIKE: This is a pulse of energy on the  
power line. Spikes can have voltages as  
high as 6000 volts. Though they are usually  
of very short duration, the energy they  
M-8L  
NOTE: The Merit Series units do not  
In addition to features of the M-8, the M-8L  
features incandescent rack lights. A dimmer  
control for the rack lights allows the user to  
adjust the level of illumination or simply switch  
the lights off. The M-8L has a master switch for  
all outlets that glows red when the power is on.  
The front-panel circuit breaker can be quickly  
and easily reset should the unit be overloaded.  
The M-8L also features 5.5 feet of 14 gauge  
heavy-duty power cable.  
compensate for high or low line voltage. If  
you frequently move your rack to different  
locations, derive power from generators, use  
long extension cords, travel internationally, or  
are in an area prone to brownouts, you may  
benefit from the use of one of Furman’s AC  
Line Voltage Regulators.  
contain can be considerable, enough to  
damage sensitive solid-state components  
in audio and computer equipment. Spikes  
can also foul switch contacts and degrade  
wiring insulation. They are an unavoidable  
component of electric power. They are caused  
unpredictably by electric motors switching  
on or off (on the premises or outside), utility  
company maintenance operations, lightning  
strikes and other factors. Spikes (also called  
surges or transients) are absorbed by special  
components in the Merit Series to provide safe  
voltage levels to protect your equipment.  
On/Off Rocker Switch:  
This 15 amp capacity power switch is  
specifically designed to stand up to the  
enormous high inrush current demands of  
many Power Amplifiers. Additionally, the semi-  
transparent rocker lights when switched to the  
“ON” position.  
M-8D  
In addition to all the features of the M-8 and  
M-8L, the M-8D offers a laboratory precision  
digital meter that displays incoming voltage in 1-  
volt steps. The voltmeter’s accuracy is ±2 volts.  
RFI/EMI INTERFERENCE: Noise from RFI  
(Radio Frequency Interference) or EMI (Electro  
Magnetic Interference) involves lower voltages  
and less energy than is found in spikes, but it is  
continuous rather than transient in nature. It is  
not likely to cause damage, but it can certainly  
be annoying, producing static in audio circuits,  
“snow” on video screens, or garbled data in  
computers. Noise can be introduced into AC  
lines by nearby radio transmitters, certain kinds  
of lighting, electric motors, and other sources.  
Because noise occurs at higher  
TROUBLESHOOTING GUIDE  
The M-8D has a master switch for all outlets  
that glows red when the power is on. The front-  
panel circuit breaker can be quickly and easily  
reset should the unit be overloaded. The M-8D  
also features 5.5 feet of 14 gauge heavy-duty  
power cable.  
1.) Symptom: No power to the AC outlets.  
Possible Cause: Circuit breaker has tripped  
due to excessive load.  
Action Needed: Remove one piece of  
equipment from the Merit Series unit, and push  
the square re-set tab into the Circuit breaker  
bezel.  
O PE RATI O N  
THE FOREGOING IS IN LIEU OF ALL OTHER  
WARRANTIES, EXPRESS OR  
Retractable Rack Lights and Dimmer Control:  
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