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AR-1220 SPECIFICATIONS

Current Rating:

20 amperes for input voltages of 104/124* or higher; 

derate at .15 A per volt to a minimum of 16.5A

“In Regulation” Ranges:

Provides regulation ±5V in 120V mode from 97 to 141V; 

(AR-1220J only: Provides regulation ±4V in 100V mode 

from 80 to 122V)

Shutdown Range:

120V mode: Below 75V or above 150V. (AR-1220J: 100V 

mode: Below 65V or above 135V)

Voltmeter Accuracy:

±5V 

Spike Protection Modes:

Line to neutral, neutral to ground, line to ground

Spike Clamping Voltage: 

Initial turn-on at 200V; TVSS rating of 400 volts peak at 

500 A, L-N, N-G, L-G (tested to UL-1449)

Response Time:

1 nanosecond

Maximum Surge Current:

6,500 amps (8 x 20 µs pulse)

Maximum Spike Energy: 

80 joules per node; 240 joules total

Noise Attenuation: 

Differential mode: Greater than 40 dB
Transverse and common modes: Greater than 60 dB, 

1-200 MHz

Dimensions:

3.5” H x 19” W x 17” D (8.9 x 48.3 x 43.2 cm)

Weight:

35 lbs. (16 kg)

Summary of Contents for AR-1220

Page 1: ...AR 1220 AC LINE VOLTAGE REGULATOR VOLTAGE REGULATORS...

Page 2: ...wo space rack unit weighs only 50 lbs 23 kg AR 1220J NOTE FIRST SELECT CORRECT VOLTAGE Before using your model AR 1220J Voltage Regu lator be sure that the output voltage switch on the rear panel is c...

Page 3: ...EME VOLTAGE SHUT DOWN indicates the shutdown condition The output is also shut down for extremely low input voltages those below 75V or 65V in 100V mode To provide protection against a catastrophic er...

Page 4: ...it is as close as possible to the nominal level SPIKE 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...

Page 5: ...d by a copy of the original purchase invoice showing the purchase date this is not necessary if the Warranty Reg istration was completed either via the mailed in warranty card or on line website regis...

Page 6: ...ng 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 NOTE All equipment being returned for repair must have...

Page 7: ...150V AR 1220J 100V mode Below 65V or above 135V Voltmeter Accuracy 5V Spike Protection Modes Line to neutral neutral to ground line to ground Spike Clamping Voltage Initial turn on at 200V TVSS ratin...

Page 8: ...Furman Sound Inc 1997 South McDowell Blvd Petaluma California 94954 6919 USA Phone 707 763 1010 Fax 707 763 1310 Web www furmansound com E mail info furmansound com Made in China 112103 A...

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