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WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage”...
Important Safety Instructions Please read all instructions and precautions carefully and completely before operating your Proceed power amplifier. ALWAYS disconnect your entire system from the AC mains before connecting or disconnecting any cables, or when cleaning any component. This product is equipped with a three-conductor AC mains power cord which includes an earth ground connection.
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From all of us at Madrigal Audio Laboratories, thank you for choosing this Proceed power amplifier. A great deal of effort went into the design and construction of this precision device. Used properly, it will give you many years of enjoyment.
(see “Dimensions” at the end of this manual). ® BPA 2 or BPA 3 power amplifier and keep all packing Note that adequate clearance for the AC cord and connecting cables must be left behind your BPA. We suggest leaving at least three inches of free space behind your BPA to allow all cables sufficient room to bend without crimping or undue strain.
Operating Voltage The Proceed BPA 2 and BPA 3 are factory-set for 100V , 120V , 220V , 230 or 240V AC mains operation at either 50 or 60Hz, according to the country for which the unit was manufactured. (230V only in European Union countries, in compliance with CE regulations.) Make sure that the label on the rear of the BPA indicates the cor-...
TURN ON THE BPA BY PRESSING THE POWER BUTTON Pressing the latching power button on the front panel of the BPA 2 and BPA 3 will connect the amplifier to the AC mains. If the indicator light does not light, the amplifier is either not receiving AC power or its protection cir- cuitry has been engaged.
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SLOWLY RAISE THE VOLUME ON YOUR PREAMPLIFIER Congratulations! Y ou should now be able to enjoy your favorite music while reading the rest of this manual. (Please, do read the rest of this manual. It contains much valuable information about your new amplifier which we could not possibly fit onto these two pages.)
Special Design Features Congratulations on your purchase of a Proceed BPA! While your new amplifier is straightforward in its use, it includes several design features which are responsible for its outstanding performance. A few of these are given below. Multiple monaural design Consistent with the finest amplifiers, your Proceed BPA is a true “multiple monau- ral”...
. Power consumption when fully on and at idle is approxi- mately 140 watts for the BPA 2 and 210 watts for the BPA 3. At your option, you may also toggle the BPA between a fully...
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be used. When the indicator light is glowing red, the unit is in standby (see 1 above). If the indicator light is completely off, the amplifier is not re- ceiving power. Check your AC connections and the rear-panel AC fuse.
Caution! Turn the volume on your preamplifier all the way down before attempting to connect anything to your Proceed BPA 2 or BPA 3. AC MAINS RECEPTACLE Connect the AC power cord (included in the accessory pack) to the I.E.C.- standard AC receptacle on the rear panel of the BPA, then to the AC mains outlet.
One fast-blow fuse is located on the rear panel of the BPA. If it should be- come necessary, replace the fuse with the same type only. Refer to the fol- lowing table for replacement values. BPA 2 100V to 120VAC 8 amp...
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BALANCED AUDIO INPUTS Accepts right-channel and left-channel signals from preamplifiers with bal- anced outputs via high quality XLR connectors. The pin assignments of these XLR-type female input connectors are: Pin 1: Signal ground Pin 2: Signal + (non-inverting) Pin 3: Signal – (inverting) Connector ground lug: chassis ground These pin assignments are consistent with the standards adopted by the Audio Engineering Society .
Care & Maintenance To remove dust from the cabinet of your amplifier, use a feather duster or a lint- free soft cloth. To remove dirt and fingerprints, we recommend isopropyl alcohol and a soft cloth. Dampen the cloth with alcohol first and then lightly clean the surface of the amplifier with the cloth.
U.S. and Canadian Warranty This Proceed ® product is warranted to be free from defects in material and work- 90-Day Limited Warranty manship under normal use for a period of ninety (90) days from the date of pur- chase. To extend the warranty of this Proceed product, return the warranty registra- tion card along with a copy of the original receipt of purchase to Madrigal Audio Laboratories, Inc., P .
Obtaining Service We take great pride in our dealers. Experience, dedication, and integrity make these professionals ideally suited to assist with our customers’ service needs. If your Proceed component must be serviced, please contact your dealer. Your dealer will then decide whether the problem can be remedied locally , or whether to contact Madrigal for further service information or parts, or to obtain a Return Authorization.
29 dB (single-ended) 2.4 V for full rated output (balanced) 1.2 V for full rated output (single-ended) typically 140 W at idle (BPA 2) typically 210 W at idle (BPA 3) See “Dimensions” 47 lbs. (21.4 kg) for BPA 2 61 lbs.
Dimensions: BPA 2 & BPA 3 (Note that the BPA 2 and the BPA 3 have the same external dimensions. The BPA 3 is shown below.) 44.73 cm 17.26" 43.84 cm t r i p l e m o n a u r a l a m p l i f i e r 17.61"...
Rack Mounting If you need or prefer to rack mount your amplifier, contact your Proceed dealer about the optional rack mount kit. This purpose-designed assembly provides the needed ventilation for the heatsink “chimneys” of the amplifier as well as the sup- port required for this heavy component.