ABOUT ADCOM
PERFORMANCE AND VALUE
In the world of high performance electronics, Adcom has done the impossible: make state of the art components that are easy to use at an affordable price. In doing this, Adcom has created a revolution in the world of consumer electronics. By creating some of the most renowned components and offering them at affordable prices, Adcom has enabled more people to enjoy their favorite music and movies at top performance levels. Perhaps Audio Magazine said it best: “No competing company I know can provide a similar balance of sound quality, power and affordability.”
AWARD WINNING
Innovation is our stronghold, and our numerous awards year after year prove that we’re never satisfied to rest on our reputation. From our legendary high current amplifiers to our state-of- the art digital processors, Adcom components consistently impress even the most demanding audiences. Adcom components have won over 25 Product of the Year and Special Recognition citations from Audio Video International, 3 Diapason D’Or Awards, 7 Consumer Electronics Show Design and Engineering Awards, and have appeared on Stereophile’s “Recommended Components” lists over 70 times since 1988. A reputation worth its weight in gold.
ENGINEERING PASSION
Every Adcom component is not only designed to reproduce the highest quality sound and picture, but to also deliver the greatest possible value. It is our engineers’ passion for perfection that has enabled our components to be judged the equivalent of others costing two, three, or even five times as much. Our engineering team consistently strives to develop and design products that will exceed your expectations. Our goal at Adcom is to let more consumers hear highend quality sound and see high-end video without paying high-end prices.
All Adcom components are the result of a long-standing dedication to innovation, quality, simplicity and value. Adcom, we have the power, and now so do you.
This document is subject to change. Please check our website for the most up-to-date version.
REV 2.1, 4/2011
ADCOM is a registered trademark of ADCOM LLC
Copyright © 2011 ADCOM LLC. All rights reserved. No part of this manual may be reproduced or electronically transmitted without the express written consent of ADCOM LLC.
THE FOLLOWING PRECAUTIONS AND SAFETY INSTRUCTIONS ARE REQUIREMENTS OF UL AND CSA SAFETY REGULATIONS
Warning: To reduce the risk of fire or electric shock, do not expose this unit to rain or moisture.
injury to a child or adult, and serious damage to the unit. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the unit. Any mounting of the device should follow the manufacturer’s instructions, and should use a mounting accessory recommended by the manufacturer.
Read all the safety and operating instructions before connecting or using this unit.
Retain this notice and the owner’s manual for future reference. All warnings on the unit and in its operating instructions should be adhered to.
All operating and use instructions should be followed.
Do not use this unit near water. For example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool.
The unit should be installed so that its location or position does not interfere with its proper ventilation. For example, it should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or placed in a built-in installation, such as bookcase or cabinet, that may impede the flow of air through its ventilation openings.
The unit should be situated away from heat sources such as radiators, heat registers, stoves, or other devices (including amplifiers) that produce heat.
The unit should be connected to a power supply outlet only of the voltage and frequency marked on its rear panel.
The power supply cord should be routed so that it is not likely to be walked on or pinched, especially near the plug, convenience receptacles, or where the cord exits from the unit.
Clean unit only as recommended in its instruction manual.
The power supply cord of the unit should be unplugged from the wall outlet when it is to be unused for a long period of time.
Care should be taken so that objects do not fall, and liquids are not spilled, into the enclosure through any openings.
This unit should be serviced by qualified service personnel when:
A.The power cord or the plug has been damaged; or
B.Objects have fallen, or liquid has been spilled, into the unit; or
C.The unit has been exposed to rain, or liquids of any kind; or
D.The unit does not appear to operate normally, or exhibits a marked change in performance; or
E.The device has been dropped, or the enclosure damaged.
DO NOT ATTEMPT SERVICING OF THIS UNIT YOURSELF. REFER SERVICING- TO QUALIFIED SERVICE PERSONNEL.
ATTENTION
POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER CETTE FICHE POLARISEE AVEC UN PROLONGATEUR, UNE PRISE CE COURANT OU UNE AUTRE SORTIE CE COURANT, SAUF SI LES LAMES PEUVENT ETRE INSEREES A FOND SANS EN LAISSER AUCUNE PARTIE A DECOUVERT.
CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARIZED PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.
CAUTION POWER LINES
Any outdoor antenna must be located away from all power lines.
OUTDOOR ANTENNA GROUNDING If an outside antenna is connected to your tuner or tuner / preamplifier, be sure the antenna system is grounded so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 701984, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.
Use No.10 AWG (5.3 mm2) copper, No.8 AWG (8.4 mm2) aluminum, No.17 AWG (1.0 mm2) copper clad steel or bronze wire, or larger, as a ground wire.
Secure antenna lead-in and ground wires to house with stand-off insulators spaced from 46 feet (1.221.83 m) apart.
Mount antenna discharge unit as close as possible to where lead-in enters house.
Use jumper wire not smaller than No.6 AWG (13.3 mm2) copper, or the equivalent, when a separate antenna grounding electrode is used. See NEC Section 810-21 (j).
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS CONTAINED IN ARTICLE 810. RADIO AND TELEVISION EQUIPMENT.
the earth if required by local codes.
NOTE TO CATV SYSTEM INSTALLER This reminder is provided to call the CATV system installer’s attention to Article 82022 of the National Electrical Code that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.
Introduction
Congratulations on your decision to purchase the GFP-815 stereo preamplifier. Two channel audio is better than ever! The new DVD Audio and SACD formats can support a wider frequency spectrum (100kHz) and greater dynamic range (144dB) than conventional CD. The GPF-815 is designed to capture all the fidelity that high resolution audio has to offer, with precision broadband components and an ultra low noise floor. Equipped with a phono stage, this new ADCOM preamp hasn’t forgotten about your legacy components. Audition the GFP815 paired with an ADCOM power amp and CD / DVD player and rediscover the magic of two channel. To realize the full potential of your new stereo preamplifier, and before making any connections to it, please read these operating and installation instructions thoroughly.
Key Features
•Class A line level preamp
•High resolution audio bandwidth
•7 source audio inputs
•2 mp3 input front and rear panel
•Phono input stage (MM & MC)
•Main & Record outputs
•External remote in and loop
•Bass, treble, and balance adjust
•Front panel headphone input
•Remote control and rs-232 control
Unpacking the GFP-815
Before your new ADCOM preamplifier left our factory, it was carefully inspected for physical imperfections and tested for all electrical parameters as a routine part of ADCOM’s systematic quality control. This, along with full operational and mechanical testing, should ensure a product flawless in both appearance and performance. After you have unpacked the GTP-815, inspect it for physical damage. Save the shipping carton and all packing material as they are intended to reduce the possibility of transportation damage should the preamplifier ever need to be shipped again.
In the unlikely event damage has occurred, notify your dealer immediately and request the name of the carrier so a written claim to cover shipping damages can be initiated. The right to a claim against a public carrier can be forfeited if the carrier is not notified promptly in writing and if the shipping carton and packing materials are not available for inspection by the carrier. Save all packing materials until the claim has been settled.
Placing the GFP-815
The optimal performance of your new GFP-815 will ultimately depend on the care with which you make the connections between the amplifier, preamplifier and loudspeakers. All input and output signal connections should be made only with high quality, low-loss, low capacitance cables. For recommendations of the type and quality of interconnections that are best for your applications, consult with your ADCOM retailer.
Safety Information
Although the GFP-815 does not generate much heat, it is good practice to ensure the amplifier’s long-term, trouble-free operation to provide adequate ventilation for the unit. Therefore, the GFP-815 should be kept away from external sources of heat
such as radiators and hot-air ducts. We recommend that you exercise care
when placing components on top of the GFP-815. If you are placing a heat producing component (such as an amplifier) on top of or below the GFP815, it is recommended that you allow at least 3 inches vertical spacing for proper airflow.
If your system includes the use of the phono input, you may find that placing components above or under the GFP-815 may induce hum, caused by the proximity of their power transformer to the phono cables or input jacks. If this should occur, moving the components will usually help reduce the hum.
If you observe these recommendations the GFP-815 will perform reliably in any reasonable environment.
You should also pay attention to such normal considerations as protection from excessive dust and moisture. Dust on the surface of the cabinet can be easily and safely removed with a duster such as made by Swiffer™. Finger prints can be removed with a soft cloth dampened with a mild nonammonia cleaner.
There are no user serviceable parts inside. Refer all servicing to qualified service personnel.
The unit must be connected to a power supply only of the type and voltage specified on the rear panel. Connect the component to the power outlet only with the supplied power supply cable or an exact equivalent. Do not modify the supplied cable. Do not defeat grounding and/or polarization provisions. The cable should be connected to a 3-pin polarized wall outlet, matching the wide blade of the plug to the wide slot of the receptacle. Do not use extension cords. Do not route the power cord where it will be crushed, pinched, bent, exposed to heat, or damaged in any way. Pay particular attention to the power cord at the plug and where it exits the back of the unit. The power cord should be unplugged from the wall outlet if the unit is to be left unused for a long period of time. Immediately stop using the component and have it inspected and/or serviced by a qualified service agency if:
.The power supply cord or plug has been damaged;
. Objects have fallen on or liquid has been spilled into the unit;
. The unit has been exposed to rain;
. The unit shows signs of improper operation; or
. The unit has been dropped or damaged
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