Furman Sound Comprehensive Guide to Voltage Regulators - AR 1215 and AR 2306

AR - 1215 AC LINE VOLTAGE REGULATOR

over, or stressed. Pay particular attention to condition of cords and cables at plugs, and the point where they exit from the AR-1215 or AR- 2306. To prevent risk of fi re or injury, damaged cords and cables should be replaced immedi- ately.

5.Clean the AR-1215 or AR-2306 with a damp cloth only. Do not use solvents or abrasive cleaners. Never pour any liquid on or into the unit.

6.When left unused for a long period of time, the power cord of the AR-1215 or AR-2306 should be unplugged from the outlet.

7.The AR-1215 or AR-2306 should be serviced by qualifi ed service personnel when:

a.The power supply cord or the plug has been frayed, kinked, or cut.

b.Objects have fallen or liquid has spilled into the unit.

c.The AR-1215 or AR-2306 has been exposed to rain or other moisture.

d.The AR-1215 or AR-2306 does not appear to operate normally or exhibits a marked change in performance.

e.The AR-1215 or AR-2306 has been dropped, or the enclosure damaged.

8.The AR-1215 or AR-2306 requires that a safety ground be present for proper operation. Any attempt to operate the AR-1215 or AR-2306 without a safety ground is considered improper operation and could invalidate the warranty.

9.There are no user serviceable parts in the AR- 1215 or AR-2306. Refer servicing to qualifi ed service personnel only.

NOMINAL OUTPUT VOLTAGES VS. INPUT “IN-REGULATION” RANGES:

Output Model	Voltage In-Regula-
Accu-	Setting tion Range
racy

±5V	AR-1215	120	97 to 141
±5V	AR-1215J	120	97 to 141
±4V	AR-1215J	100	80 to 122
±10V	AR-2306	220	174 to 264
±10V	AR-2306	230	181 to 276
±10V	AR-2306	240	190 to 288

NOTE: The three models in the AR-Series differ in their nominal AC output voltages. Model AR-1215 produces 120 VAC. Model AR-1215J produces either 100 or 120 VAC. Model AR-2306 produces either 220, 230, or 240 VAC.

Where differences exist between models, informa- tion applicable to the AR-2306 is shown in the text of this manual in brackets [ ].

FIRST: SELECT THE CORRECT VOLT- AGE!

Before using your Voltage Regulator, be sure that if there is an output voltage switch on the rear panel (just above the cord, on Models AR-1215J and AR-2306 only), it is correctly set for the AC voltage required by your equipment. Each item of equipment that you intend to power with the Voltage Regula- tor should have its required voltage indicated on it, usually on the rear near the cord. If in doubt, consult your dealer.

Furman Voltage Regulators are intended to pro- tect sensitive electronic equipment from problems caused by AC line voltage irregularities—brownouts or overvoltages that can cause audio tonal changes, digital equipment malfunction (such as loss of MIDI programs or other data), or, in extreme cases, permanent damage. They accept input voltages over a wide AC voltage range (see table on page 2) and convert them to a steady, stable output at the desired standard voltage, plus or minus fi ve [ten] volts. Voltages approximately ±10% beyond that range may be converted to usable levels, depending on the requirements of the equipment. See graphs on the back page.

The AR-1215 has eight [AR-2306 has ten IEC-320]

2