PROCEED HPA 3 Spezifikationen

PRO C E E DHPA 3 Power Amplifier

10Special Design FeaturesCongratulations on your purchase of a Proceed amplifier! While your new ampli-fier is straightforward in its use, it includes

11powerstandbytriple monaural amplifierHPA123Front Panel1POWER BUTTONPressing this latching power button connects the amplifier to the AC mains,charge

12Note that pressing the standby button has no effect until after the powersupply is fully charged.Note also that if the amplifier has been disconnect

13triggerinputscommunication ports ~acmainsoutputsHPA 3 power amplifier by MADRIGAL AUDIO LABS made in u. s. a.PRO C E E DRinput selectPUSHri

14These two RJ-45 communications ports also support the PHAST™ inter-component communications protocols, greatly simplifying the design andinstallatio

15Note: If the DC trigger input is used to control the amplifier(s), thelast mini-jack in the chain must be filled with a dummy 1⁄8"plug [that is

166 SINGLE-ENDED INPUTSAccepts signals from preamp/controllers with single-ended outputs via highquality RCA connectors.If you are planning to use sin

17Bridged OperationYour Proceed amplifier has been designed to be extremely versatile. Should yourneeds change or grow over time, you may wish to add

18Balanced Bridging Kit213123123Female XLR InputPin 1: signal groundPin 2: signal + (non-inverting)Pin 3: signal – (inverting)Male XLR Output (normal)

192 CONNECT THE BALANCED BRIDGING INPUT ADAPTER TO THE INPUTSConnect the two male XLRs to two adjacent inputs on your amplifier, not-ing which XLR is

2CAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENCAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DONOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE.REFER S

20be bridged. (Alternatively, you may have custom cables built using your preferredwire and connectors, being careful to follow the wiring diagram bel

211 DISCONNECT YOUR AMPLIFIER FROM EVERYTHINGStart with your amplifier totally disconnected from inputs, outputs, and ACpower. It is always best to po

22BiamplificationIn contrast to bridged operation (wherein two amplifier channels are “fooled”into behaving as a single, larger channel), biamplificat

23The outputs of these two channels are then connected to two sets of bindingposts on each loudspeaker. The loudspeaker’s internal crossover continues

24Care & MaintenanceTo remove dust from the cabinet of your amplifier, use a feather duster or a lint-free soft cloth. To remove dirt and fingerpr

25U.S. and Canadian Warranty90-Day Limited Warranty This Proceed® product is warranted to be free from defects in material and work-manship under norm

26Obtaining ServiceWe take great pride in our dealers. Experience, dedication, and integrity makethese professionals ideally suited to assist with our

27Specifications: HPA 3The correlation between published specifications and performance is unreliable. Alist of numbers reveals virtually nothing. All

28Dimensionstriggerinputscommunication ports ~acmainsoutputsfive channel amplifier by MADRIGAL AUDIO LABS made in u. s. a.PRO C E E DRinput s

29Rack MountingIf you need or prefer to rack mount your amplifier, contact your Proceed dealerabout the optional rack mount kit. This purpose-designed

3Important Safety InstructionsPlease read all instructions and precautions carefully and completely before operating your Proceed poweramplifier.1. AL

30Installation Notes__________________________________________________________________________________________________________________________________

31Installation Notes__________________________________________________________________________________________________________________________________

630329 © 5/1998 Madrigal Audio Laboratories, Inc. All rights reserved. Printed in U.S.A.Madrigal Audio Laboratories, Inc.2081 South Main Street, P.O.

4From all of us at Madrigal Audio Laboratories, thank you for choosing thisProceed power amplifier.A great deal of effort went into the design and con

5Table of ContentsUnpacking and Placement ... 6Unpacking ...

6Unpacking and PlacementUnpacking Unpack your Proceed® HPA 3 Power Amplifier and keep all packing materialsfor future transport. Shipment of the ampli

7Operating VoltageThis Proceed amplifier is factory-set for 100V, 120V, 220V, or 240V AC mains op-eration at either 50 or 60 Hz, according to the coun

8A Quick StartWe recognize that many people are understandably eager to begin listening totheir new components, and that reading the manual is often d

97 SLOWLY RAISE THE VOLUME ON YOUR PREAMPLIFIERCongratulations! You should now be able to enjoy your favorite music whilereading the rest of this manu