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Important Safety 
Instructions

1.  Read these instructions.  
2.  Keep these instructions.
3.  Heed all warnings.
4.  Follow all instructions.
5.  Do not use this apparatus near water.
6.  Clean only with a dry cloth.
7.  Do not block any ventilation openings. In-

stall in accordance with the manufacturer’s 
instructions.

8.  Do not install near any heat sources such 

as radiators, heat registers, stoves, or 
other apparatus (including amplifiers) that 
produce heat.

9.  Protect the power cord from being walked 

on or pinched particularly at plugs, conve-
nience receptacles, and the point where 
they exit from the apparatus.

10.  Only use attachments/accessories speci-

fied by the manufacturer.

11.  Unplug this apparatus during lightning 

storms or when unused for long periods of 
time.

12.  Refer all servicing to qualified service 

personnel. Servicing is required when 
the apparatus has been damaged in any 
way, such as power-supply cord or plug is 
damaged, liquid has been spilled or objects 
have fallen into the apparatus, the appara-
tus has been exposed to rain or moisture, 
does not operate normally, or has been 
dropped.

13.  This apparatus shall not be exposed to 

dripping or splashing, and no object filled 
with liquids, such as vases or glasses, shall 
be placed on the apparatus.

The lightning flash with arrowhead 
symbol within an equilateral  triangle 
is intended to alert the user to the 

presence of uninsulated “dangerous voltage” 
within the product’s enclosure, that may be 
of sufficient magnitude to constitute a risk of 
electric shock to persons.

The exclamation point within an 
equilateral triangle is intended to alert 
the user of the presence of import-

ant operating and maintenance (servicing) 
instructions in the literature accompanying the 
appliance.

Caution: to reduce the risk of electric shock, 
do not remove the top cover. There are no 
user-serviceable parts inside. Refer servicing to 
qualified personnel.
This equipment has been tested and found 
to comply with the limits for a Class B digital 
device, pursuant to part 15 of the FCC Rules. 
These limits are designed to provide reasonable 
protection against harmful interference in a 
residential installation. 
This equipment generates, uses, and can radi-
ate radio frequency energy and, if not installed 
and used in accordance with the instructions, 
may cause harmful interference to radio com-
munications. However, there is no guarantee 
that interference will not occur in a particular 
installation. 
If this equipment does cause harmful interfer-
ence to radio or television reception, which can 
be determined by turning the equipment off 
and on, the user is encouraged to try to correct 
the interference by one or more of the follow-
ing measures:

•  Reorient or relocate the receiving antenna.
•  Increase the separation between the equip-

ment and the receiver.

•  Connect the equipment into an outlet on 

a circuit different from that to which the 
receiver is connected.

•  Consult the dealer or an experienced radio/

TV technician for help.

CAUTION: Changes or modifications to this 
device not expressly approved by AudioControl 
Inc. could void the user’s authority to operate 
the equipment under FCC rules.

Recycling notice: If the time comes 
and this apparatus has fulfilled its 
destiny, do not throw it out into the 
trash. It has to be carefully recycled 

for the good of mankind, by a facility specially 
equipped for the safe recycling of electronic 
apparatii. Please contact your local or state 
recycling leaders for assistance in locating a 
suitable nearby recycling facility. Or, contact us 
and we might be able to repair it for you.

Important Safety Instructions

Summary of Contents for ARCHITECT P250 EQ

Page 1: ...Installation Manual ARCHITECT MODEL P250 EQ 2 CHANNEL HIGH CURRENT POWER AMPLIFIER...

Page 2: ...e literature accompanying the appliance Caution to reduce the risk of electric shock do not remove the top cover There are no user serviceable parts inside Refer servicing to qualified personnel This...

Page 3: ...ting Started 8 An Important note aboutTriggering 8 Home Installation 9 Commercial Installation 9 Front Panel Features 10 Rear Panel Features 11 Speaker and Wiring Impedance 14 Block Diagram 16 Trouble...

Page 4: ...udio sources This amplifier is an American designed and built set and forget component which will provide a lifetime of trou ble free service for your large zone audio system Congratulations The Archi...

Page 5: ...no equal Signal Sense Switching This feature will switch between the two main input stages the analog and the digital stage You can connect an analog source and a digital source and the unit will alw...

Page 6: ...ess depth than traditional rack mount type amps perfect for spice cabinets Stackable up to 4 units Signal sense turn on Selectable EQ presets Loop outputs both analog and digital 12V Master trigger S...

Page 7: ...on Switch 16 Speaker Output Status LED 17 Speaker Outputs 18 AC Power Inlet 19 Power Switch 1 MasterTrigger 2 12VTrigger Input 3 Signal Sense On Off 4 Input Priority 5 SDS input 6 SDS Gain control 7 A...

Page 8: ...ng an active balanced line driver for the signals This will provide better noise rejection against nasty things like hum spikes local talk radio and metaphysical paranormal phenomena etc The AudioCont...

Page 9: ...e living dining room space that is set up as a single zone powering 8 small aperture speakers Volume and source control is done throughThe Director M6800 via it s digital output The second example sma...

Page 10: ...tinued Home Installation Commercial Installation Audio System Controller Source Inputs CD Player Satellite Music Server Analog Source Outputs Digital Source Output Dining Room North Dining Room South...

Page 11: ...e main power give it a minute remove speaker wires and source con nections then reboot The protection state should be released and you can now troubleshoot 4 Removable Feet Best make sure that if you...

Page 12: ...at the trigger input of either 1 8 TS connector or the 3 pin connector the Architect P250 EQ will turn on The outputs will be held in standby for about 2 seconds until the power supplies have fully c...

Page 13: ...ese unbuffered loop outputs will pass the content from the analog inputs right back out to any down stream device 9 Analog Gain Control Use this control knob to increase or decrease the input gain of...

Page 14: ...peakers here These speaker outputs are internally wired in parallel Each output terminal is connected to left right amplifier channels 2 channels Up to 4 pairs of 8 ohm not 4 pairs of 4 ohm speakers c...

Page 15: ...ou use a smaller wire gauge This can be a benefit if you are paralleling lots of speakers The wire itself acts as an impedance limiter since the amplifier cannot see a speaker load lower than the resi...

Page 16: ...nsor will put it into standby mode allowing the heatsink to cool down Once the amplifier has cooled to a safe operating temperature the amplifier will reactivate If this occurs often identify the caus...

Page 17: ...ECT Signal Sense Priority switch Analog Input Analog Loop Output Digital Input Digital Loop Output SDS Input SDS Detection Switch Digital transceiver DAC Gain Gain Gain EQ 1 Flat No EQ EQ2 Amplifiers...

Page 18: ...c Increase the preamp volume if sig nal sense is engaged or just going steady d Adjust the rear panel zone gain controls clockwise 3 Channel Status LED is Red a Check speaker leads for a short Swap s...

Page 19: ...depending on music volume after the audio signal has stopped This delay helps prevent prematurely muting during quiet passages or song changes 8 The unit is on but you cannot trigger it off The unit...

Page 20: ...in power on all channels off 18Watts All channels active 24Watts All channels 1 8th rated power 87Watts Full Power 591Watts BTU hr Output Standby 5 1 BTU hr Idle main power on all channels off 61 BTU...

Page 21: ...e technicians may add you to their Christmas Card list Please include any notes about the system whether or not pineapple is really a pizza topping and other components you are using Is it an intermit...

Page 22: ...ales receipt All warranty service requires original sales receipt documentation The warranty only applies to the original purchaser from an authorized AudioControl dealer Note Products purchased from...

Page 23: ...xpress or implied We make no warranty of mer chantability or fitness for any particular purpose Also neither we nor anyone else who has been involved in the develop ment or manufacture of the unit wil...

Page 24: ...24 Hurrah you are done PN 913 173 0 Rev B Right Grapevine 2 1 4 3 4...

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