PROCEED HPA 2 Instruction Book Download | Manualshive

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9

7

SLOWLY RAISE THE VOLUME ON YOUR PREAMPLIFIER

Congratulations! You 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.

)

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Summary of Contents for HPA 2

Page 1: ...PR O C E E D HPA 3 Power Amplifier...

Page 2: ...en closure that may be of sufficient magnitude to constitute a risk of electric shock to per sons The exclamation point within an equilateral triangle is intended to alert the user to the presence of...

Page 3: ...sis tance 3 AC extension cords are not recommended for use with this product If an extension cord must be used be sure it is an approved type and has sufficient current carrying capacity to power this...

Page 4: ...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 man...

Page 5: ...ive protection 10 Front Panel 1 1 Rear Panel 13 communication cable 14 Remote turn on tip polarity 14 Bridged Operation 17 Bridging Explained 17 Balanced Bridging 17 Balanced Bridging Kit 18 Single En...

Page 6: ...dissipation through air circulation The vents on both the bottom and the top of the amplifier must be kept free from any obstruction which would reduce the flow of air through the unit The best rule...

Page 7: ...see your Pro ceed dealer Note the serial number While you are checking the voltage it would probably be a good idea to make a record of the serial number for your amplifier This can be found on the la...

Page 8: ...etween them Using these switches select the appro priate input for each channel given your interconnecting cables and pream plifier controller s capabilities 3 CONNECT YOUR PREAMP TO THE AMPLIFIER Hav...

Page 9: ...tulations 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 amplifi...

Page 10: ...igurable to receive either bal anced or single ended inputs This approach allows you to take full advantage of the greater immunity from noise RFI and EMI which balanced transmission of audio signals...

Page 11: ...utlet it cannot respond to a remote turn on command from a control unit If you wish the amplifier to turn on and off via the Proceed communi cations bus or by a DC trigger the amplifier needs to be in...

Page 12: ...on and off if the amplifier s protection circuitry has been engaged shutting the amp off to protect itself and or your loudspeakers In the unlikely event that you see the power indicator blinking dis...

Page 13: ...e amplifier then to the AC mains outlet Warning Your Proceed amplifier has been safety tested and is designed for operation with a three conductor power cord Do not defeat the third pin or earth groun...

Page 14: ...one end is connected to pin 1 at the other end Such a straight through con nection is counter intuitively made by introducing a 180 twist in the cable between the two ends as shown below communication...

Page 15: ...in connects to the equivalent input pin If you are planning to use balanced connections between your preamplifier and any particular channel of the amplifier select the balanced input by sliding the i...

Page 16: ...loudspeaker system To take full advantage of the amplifier s sonic quality we recommend using high quality speaker cable see your Proceed dealer Caution NEVER connect the amplifier output terminals to...

Page 17: ...y the two amplifier chan nels can deliver about four times the power to a speaker that a single channel could deliver on its own Bridged operation is particularly beneficial with low sensitivity high...

Page 18: ...er The Balanced Bridging Output Adapter is simply a heavy gauge copper bar sil ver and gold plated used to strap two of the output ground terminals together This establishes a common reference for the...

Page 19: ...red output terminal associated with the red normal side of the Input Adapter Connect the negative black binding post of your loudspeaker to the red output terminal on the other side of the amplifier t...

Page 20: ...to indicate positive polarity and the inverted leg will be marked with a black stripe to indicate inverted polarity corresponding to the red and black terminals of your loudspeaker The Single Ended B...

Page 21: ...EAKER WIRE ACROSS TWO SIDE BY SIDE RED OUTPUT TERMINALS Please read the following carefully Connect the positive red binding post of your loudspeaker to the red out put terminal associated with the re...

Page 22: ...a biamplified speaker system Any instructions contained herein cannot be substituted for those that are specific to the loudspeaker in question In general however biamping is done in one of two ways a...

Page 23: ...amping all Proceed power amplifiers have the same voltage gain and input sensitivity We even adjust for the difference between single ended and balanced signal levels should you have to mix the two Be...

Page 24: ...a soft cloth Dampen the cloth with alcohol first and then lightly clean the surface of the amplifier with the cloth Do not use excessive amounts of alcohol that might drip off the cloth and into the...

Page 25: ...authorization must first be obtained by either calling or writing the factory prior to shipping the component The factory will pay for return shipping charges only in the event that the component is f...

Page 26: ...d the Madrigal Technical Services Department locate and repair the difficulty as quickly as possible A copy of the original bill of sale will serve to verify warranty status Please in clude it with th...

Page 27: ...and at idle less than 2500W maximum Mains voltage determined by the needs of country for which the unit was manufactured cannot be reset by dealer or user Overall dimensions See Dimensions Shipping we...

Page 28: ...e in u s a PR O C E E D R input select PUSH right outputs input select PUSH right outputs input select PUSH right outputs 0 695 1 77 cm 6 53 16 6 cm 17 46 44 35 cm 1 40 3 56 cm 19 55 49 66 cm 15 47 39...

Page 29: ...To use the rack mount kit simply bolt the shelf securely to the rack slide the am plifier into place and then mount the provided trim ring around the faceplate of the amplifier which will protrude fr...

Page 30: ...___________ _________________________________________________________________ _________________________________________________________________ ________________________________________________________...

Page 31: ...___________ _________________________________________________________________ _________________________________________________________________ ________________________________________________________...

Page 32: ...U S A Madrigal Audio Laboratories Inc 2081 South Main Street P O Box 781 Middletown Connecticut 06457 USA Telephone 860 346 0896 Fax 860 346 1540 http www madrigal com PR O C E E D R is a registered...

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