background image

12

f i v e   c h a n n e l   a m p l i f i e r

power

standby

1

2

3

Front Panel

1

POWER  BUTTON

Pressing this latching 

power 

button connects the amplifier to the AC mains,

charges the power supply (which takes about five seconds), and places it in
standby. Having a true standby function keeps the sensitive voltage gain
stages warmed up and sounding their best at all times. Power consumption
when in standby is less than 150 watts.

Note that if the amplifier has been disconnected from the AC mains power
by depressing the front panel 

power 

button or by unplugging it from the

AC outlet, 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 standby, with
this 

power 

button engaged.

2

STANDBY  BUTTON

Assuming that the power is on and the unit is in standby (see 1, above),
pressing the 

standby 

button engages the output stage of the amplifier, tak-

ing it from 

standby 

to fully 

on

. Pressing the 

standby 

button again will

toggle the amplifier back to standby. Power consumption when fully on and
at idle is less than 250 watts.

At your option, you may also toggle the amplifier between 

standby 

mode

and fully 

on

 by connecting a suitable 5-12V DC trigger such as can be pro-

vided by the Proceed PDSD or AVP to its 

remote trigger input

.

Note that pressing the 

standby 

button has no effect until after the power

supply is fully charged.

Summary of Contents for Five Channel Amplifier

Page 1: ...PR O C E E D FiveChannelAmplifier...

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: ...sistance 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: ...sive protection 10 Home THX Audio System certification 1 1 Front Panel 12 Rear Panel 14 communication cable 15 Remote turn on tip polarity 15 Bridged Operation 18 Bridging Explained 18 Balanced Bridgi...

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 o...

Page 7: ...e serial number for your amplifier This can be found on the label found on the bottom of the amplifier amplifier bottom panel label five channel amplifier S N WARNING BEFORE ATTEMPTING TO OPERATE THIS...

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: ...high current paths Internal current capability is further enhanced with high purity copper bus bars This attention to detail yields an op timal environment in which the amplifier may operate to its m...

Page 11: ...amplifier will perform well with a wide range of loudspeakers As you can see from this list there is nothing about the Home THX amplifier specification that is particularly radical It simply ensures...

Page 12: ...om 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 standby with this power button engaged 2 STANDBY BUTT...

Page 13: ...ry 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 disconnect the amplifier from AC power and call your...

Page 14: ...d AC receptacle on the rear panel of the 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...

Page 15: ...en the two ends as shown below communication cable from Proceed PDSD or AVP To Five Channel Amplifier Locking tab Locking tab 3 REMOTE TURN ON TRIGGER JACKS Two 1 8 mini jacks above the AC mains recep...

Page 16: ...5 INPUT SELECT SWITCH This small switch is found between the balanced XLR input and the single ended RCA input on each channel of the amplifier Use it to select which of the two inputs you plan to us...

Page 17: ...t the amplifier s output terminals There are two recommended methods for connecting speaker cables to the amplifier A high quality spade lug or hook lug soldered to the cable or crimped with extremely...

Page 18: ...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 19: ...fier and completes the circuit that includes the loudspeakers Important Do not attempt to operate your amplifier in a bridged mode without first strapping the black output terminals together Failure t...

Page 20: ...is connection convention preserves the polarity of the signal sent to the loudspeaker In practice the most important thing is to be con sistent throughout the system as inconsistency will result in ou...

Page 21: ...hes a common reference for the amplifier and completes the circuit that includes the loudspeakers Important Do not attempt to operate your amplifier in a bridged mode without first strapping the black...

Page 22: ...your loudspeaker to the red output terminal on the other side of the amplifier the one associated with the black inverted side of the Input Adapter Following this connection convention preserves the p...

Page 23: ...esence of an active electronic crossover that di vides the music into two or sometimes more bands of frequencies These are then forwarded to separate power amplifiers and sent on directly to the appro...

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: ...lly on and at idle 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 weight 119 lbs 54 k...

Page 28: ...t front right rear center input select left rear left front trigger inputs communication ports ac mains outputs outputs outputs outputs outputs five channel amplifier by MADRIGAL AUDIO LABS made in u...

Page 29: ...well as the sup port required for this heavy component 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...

Page 30: ...n 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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