McIntosh MC-2255 Instrukcja Użytkownika

THE MclNTOSH MC 2255 SOLID STATE STEREO POWER AMPLIFIERReading Time: 31 MinutesPrice $2.00

WATTSPOWERIn the WATTS position the meter's primary calibra-tion is from .0025 watts (two and a half milliwatts),up to 250 watts, the rated power

Rear Panel informationMODE SWITCHThe MC 2255 will operate in three modes, Stereo,Mono Bridge, and Mono Parallel. The Mono modesdiffer in the loads the

Performance LimitsPERFORMANCE GUARANTEEPerformance Limits are the maximum deviationfrom perfection permitted for a Mclntosh instru-ment. We promise yo

Performance ChartsPERFORMANCE CHARTS AREFOR ONE STEREO CHANNELWITH BOTH CHANNELS OPERATING.MONO OPERATION IS IDENTICALEXCEPT POWER IS DOUBLEDFOR THE S

14POWER IN WATTSFREQUENCY IN Hz

Technical DescriptionINPUT AMPLIFIEREach channel input contains a complete seventransistor low power amplifier. A differential tran-sistor pair provid

circuit also illuminates red LIMIT indicator lampswhen the amplifier is driven beyond its maximumoutput capacity. Power Guard prevents loudspeakerdama

BlockDiagram17

MclNTOSH LABORATORY INC.2 CHAMBERS ST., BINGHAMTON, N.Y. 13903607-723-3512The continuous improvement of its products is the policy ofMclntosh Laborato

VARIOUS REGULATORY AGENCIES REQUIRE THAT WE BRING THE FOLLOWINGINFORMATION TO YOUR ATTENTION. PLEASE READ IT CAREFULLY.WARNING: TO PREVENT FIRE OR SHO

Your MC 2255 Stereo Power Amplifierwill give you many years of pleasantand satisfactory performance. If youhave any questions, please contact:CUSTOMER

How to ConnectINPUTSTEREO OPERATIONUse shielded cables to connect the signal fromthe preamplifier or signal source to the poweramplifier. To minimize

another lead from the other terminal of theloudspeaker to the left output terminal marked forthe impedance of the speaker on the LEFT OUTPUTterminal s

StereophonicConnectionsRIGHTSPEAKERMUST BE IN STEREOPOSITION FORSTEREO PROGRAMS6LEFTSPEAKERPROGRAM SOURCE

Mono-BridgeConnections(CONNECTIONS FOR8 OHM SPEAKERILLUSTRATED)CONNECTIONS SHOWN FOR MONOWHEN MODE SWITCHIS IN THE MONO-BRIDGE POSITIONSPEAKER7PROGRAM

Mono-ParallelConnections(CONNECTIONS FOR4 OHM SPEAKERILLUSTRATED)SPEAKERCONNECTIONS SHOWN FOR MONOWHEN MODE SWITCHIS IN THE MONO-PARALLEL POSITION8PRO

The Front Panel Controls andHow to Use ThemMETERSOutput power monitor meters indicate the outputpower of each channel. Each meter has two primaryscale