McIntoshメーカーMC-452の使用説明書/サービス説明書
ページ先へ移動 of 20
McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, New Y ork 13903-2699 Phone: 607-723-3512 www .mcintoshlabs.com MC452 Quad Balanced Power Amplier Owner ’ s Manual.
2 The lightning ash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s en- closure that may be of sufcient magnitude to constitute a risk of electric shock to persons.
3 Si x foot , 2 con duc tor shield ed , with t wo 1 /8 inch stere o mini phon e plugs. 2. F or a ddit ional conne ction in form ation, refer to the owner’ s ma nual( s ) for any component( s ) conne cted to the MC4 5 2. 3 . The MC4 5 2 mutes the spe aker out put fo r approxi- mately two seconds when f i r st t u r ned on.
4 Cable Information, I ntroduct ion and Perfor mance Features X LR Connectors Bel ow is the Pin con f i g u r ation fo r t he XLR Bala nced Input, I nput /Out put Connect ors on t he MC4 5 2.
5 Dimensions The fo llowing d imen sions can assist i n deter mi n ing the best locat ion f or your MC4 5 2. Dimensions Front V iew of the MC452 Rear V iew of the MC452 Side V iew of the MC452 17- 1/2 " 44.45cm 8- 7/8 " 22.54cm 9- 7/16 " 23.
6 Installation Installation The MC4 5 2 can be placed upr i g ht on a table o r she lf, st a ndi ng on its fo u r feet. It also can be custom in st alled i n a pi ece of f u r n it u re or cabinet of y ou r cho ice. The fo u r feet may be remo ved f rom the bot tom o f t he MC4 5 2 when it is custom i nst alled a s outlined bel ow .
7 Cau t ion: The Loud sp ea ke r Negat i ve Connec t i ons a re ab ove cha ss i s gro und . Do not c ombi ne any co nnec t ion s toge the r, ground t he m or conn ec t wi th a not her MC45 2 .
8 How to Co nnec t Th is McIntosh M C45 2 Qu ad Bala nced Po wer Ampli- f ier is designed for Loudspe aker s with a n i mped a nce o f 2 oh ms, 4 oh ms or 8 oh ms.
9 1 0. Connect t he Louds pea ker hookup cables to the MC4 5 2 Negativ e Out put T er mi nal a nd Pos itiv e Out put T er mi nal i ndent if ied a s 2Ω ( oh ms ), 4Ω ( ohm s ) or 8Ω ( ohm s ) con nect ion to match the impe d ance of the Loudsp ea ker , b eing ca refu l to obser ve the cor re ct polar ities.
10 Th is McIntosh M C45 2 Qu ad Bala nced Po wer Ampli- f ier is designed for Loudspe aker s with a n i mped a nce o f 2 oh ms, 4 oh ms or 8 oh ms. Con ne ct a single Loud- spea ker only to t he R ight and Left O ut put T er mi nals.
11 W A R NI NG: Louds pe ak er t er mina ls a re ha za rd - ous l ive and p re se nt a r is k of el ec t ric shoc k . For ad di t iona l in s tr uc ti on on mak ing Loud s pea ke r Conne ct i ons con - tac t you r McIntos h Dea le r or McIn- tos h T ech nic al Su pp or t .
12 F ront Panel Display s and Controls Sta ndby Po wer On I nd icator PO W ER Switch T u r ns A C Po wer Of f, Remote, A C Po wer On MET ER Swit ch selects the d isplay modes of the Po wer Out put Met.
13 How to Operate How to Operate Input M ode Switch The I nput Mode S witch, wh ich is l ocated on t he Rear Panel o f t he MC4 52, allo ws sel ect ion o f either the Bal- anced or Unbalanced I nput.
14 Mc Intosh Labor ator y , t he company who int roduced the wor ld ’ s f i r st amplif ier that could be called “H igh F ide lit y” , h as done it again. T he Mc I ntosh engi neer i ng staf f ha s cre ated a pow er a mplif ier without compro- mise, usi ng the most advanced McIntosh circuit design conce pt s.
15 opti mum , causes more output cu r - rent to f lo w , which resu lts in ext r a heat being gener ated i n the pow er out put stage. Th is i ncrea se in t empe rat u re w ill resu lt in a reduce d life expect ancy for the a mplif ier .
16 an a mplif ier cha n nel is ov e rd r iv en , the re wi ll be a dif ference bet ween t he t wo s igna l wav eform s. W hen t he dif ference ex ceed s 0.
17 ov e r 20 amps of cur rent. Re fer to f ig u re 23 (go l f ball is fo r size compa rsion ). It is enc losed in t he le genda r y Mc Intosh Po t te d Encl o - su res a nd we ighs 30lbs.
18 Specic ations Specic ations P ow er Output Mi n imu m sine wav e conti nuous av erage pow er out put per cha n nel, with both cha n nels operat i ng is : 4 50 watt s i nto 2 ohm load 4 50 wat.
19 Packing Instructions Packing Instructions In t he event i t is necessa r y to repa ck the equipment for shipment, the equ ipment must be packed exactly as sho w n belo w . It is v er y impor ta nt that t he fo u r plastic feet are at t ached to t he bott om o f the e quipment.
The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A. McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, NY 13903 www .mcintoshlabs.
デバイスMcIntosh MC-452の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
McIntosh MC-452をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはMcIntosh MC-452の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。McIntosh MC-452の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。McIntosh MC-452で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
McIntosh MC-452を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はMcIntosh MC-452の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、McIntosh MC-452に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちMcIntosh MC-452デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
