Related Manuals for Conrad-Johnson ART 300
Summary of Contents for Conrad-Johnson ART 300
- Page 1 Conrad- Johnson Owner’s Manual ART 300 A mplifier conrad-john son It just sounds right.
- Page 2 Thank you for selecting the ART 300 Amplifier to power your audio system. The ART 300 Amplifier draws on four decades of research at conrad-johnson into the reproduction of recorded music. The result is a power amplifier with a remarkable ability to recreate the dynamics, textures, tonalities, and ambience of live musical performances.
- Page 3 Limited Warranty For Conrad-Johnson Components Conrad-Johnson Design, Inc. will provide service under warranty to the original owner on products sold new in the United States for the lesser period of three years from the date of purchase by the original purchaser, or five years from the date of shipment to the authorized conrad-johnson dealer.
- Page 4 Service Department conrad-johnson design, inc. 2800K Dorr Avenue Fairfax, VA 22031 The conrad-johnson service department can also be reached by e- mail at service@conradjohnson.com, by phone at 703-698-8581, or by fax at 703-560-5360. Service If your conrad-johnson audio component requires service, repack it using the original box and packing material and ship to the Service Department address above.
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Page 5: Installation
Installation As is the case with any vacuum-tube power amplifier, the ART 300 Amplifier dissipates a significant amount of heat. Provision must be made for adequate ventilation. Mount the unit on a flat, hard surface, taking care that the ventilation holes in the bottom are unobstructed. - Page 6 4" (100mm) away from input/output cables. Connection INPUT: Connect the preamplifier to your ART 300 Amplifier at the RCA type connector located on the back of the amplifier. OUTPUT: Five-way binding posts are provided for connection of your loudspeakers, with correct spacing to accept a standard "double banana"...
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Page 7: Vacuum Tube Replacement
Vacuum Tube Replacement The ART 300 Amplifier uses six vacuum tubes of two different types: two type 6922 (V1, V2) and four type KT150 (V3, V4, V5, V6.) The brands of tubes we supply have been chosen by first selecting those brands which are known to be most reliable, then by extensive auditioning of these acceptable brands with the final choices being made solely on the basis of sonic performance. - Page 8 PLATE FUSE: Your ART 300 Amplifier has been fitted with a plate supply fuse that is installed to protect the amplifier circuitry in the event of output tube failure.
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Page 9: Absolute Phase
This will be the case if the number of phase inversions is even (or zero). The ART 300 Amplifier is phase correct (non-inverting). If your system has an odd number of inversions, (for example, if you have a phase inverting preamplifier) then you must add one phase inversion. - Page 10 The warm up period can be expected to last about fifteen minutes. Questions: If you have questions about the installation or function of your ART 300 Amplifier, do not hesitate to call Customer Service at (703) 698-8581. Conrad-Johnson ART 300 Amplifier Owner’s Manual...
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Page 11: Specifications
Net Weight: 73 lb net Fuses The ART 300 Amplifier power transformer is protected by a fuse on the ac power line (F5, located in a separate fuse holder mounted above the power cord receptacle on the back of the amplifier), and by four separate internal fuses on the secondary circuits of the transformer (F1 –...
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