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Congratulations on your purchase of a Furman Model SP-20AB you have cho sen an extremely versatile general purpose power amplifi er. The SP-20AB is a compact 20 watt per channel stereo amplifi er capable of normal stereo, two channel mono, or single channel (bridged) mono operation.
LED’s turn on whenever a signal exceeding 125 millivolts RMS (40 dB below full power) is present at the SP-20AB’s input jack. They will increase in brightness as the signal strength in creases. This feature is very useful as a clue to where the fault may lie if the expected program is not heard at the outputs.
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STEREO AMPLIFIER SPEAKERS MODEL SP-20A only one input (plugged into the “Left/Mono Input” jack) and all the SP-20AB’s power is to be concentrated into one output. Note that under some circumstances, this can amount to more than double the rated 20 watts pet channel for stereo .- to as much...
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“daisy chain” HR-2 boxes together with standard microphone cables. Begin the chain at the SATELLITE/REMOTE connector on the rear of the SP-20AB, as shown in the above diagram. The SP-20AB connects to the fi rst HR 2 box; another mic cable connects the fi...
Installation For installation as a free-standing unit, attach the four adhesive rubber feet supplied with the SP-20AB to the bottom of its case. With either the HRKIT-1 or the HRKIT-2 adaptor kits the SP-20AB may be mounted in standard 19” equipment racks. The HRKIT-1 is for mounting one SP-20AB in the center of a 19”...
Furman Sound, Inc., having its principal place of business at 1997 South McDowell Blvd., Petaluma, CA 94954 (“Manufacturer”) warrants its SP-20AB (the “Product”) as follows: Manufacturer warrants to the original Purchaser of the Product that the Product sold hereunder will be free from defects in material and workmanship for a period of three years from the date of purchase.
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SP-20AB MANUAL Service Before returning any equipment for repair, please be sure that it is adequate ly 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.
2 dB, stereo, measured with 10 ms toneburst at 1 KHz, 1 % duty cycle. Power Requirement: SP-20AB: 120 VAC, 60 Hz, 70 watts SP-20ABE: 230 VAC, 50/60 Hz, 70 watts Mechanical: Dimensions: 1.75” H x 8.45”W x 8.25” D.
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