Jeff Rowland Design GroupメーカーModel 2の使用説明書/サービス説明書
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JE F F R O WL AN D DE SI G N G R OU P.
Model 2 Stereo Power Amplifier Owner’ s Manual.
Introduction W elcome to the Jeff Rowland Design Group “family” and congratulations on your purchase of what is unquestionably one of the world’s finest audio power amplifiers.
Product Features þ XLR Balanced Input jacks for balanced (Differential Mode™) system configurations þ XLR to RCA Input adapters included þ User-selectable overall gain of 26 or 32 dB þ User-sele.
1 2 3 4 5 6 Contents.
Initial Inspection I nspect the shipping container for damage. If the shipping container , packing material, amplifier or accessories are damaged or missing, notify your dealer and the shipper (if a claim is to be made).
Front & Rear Panel Function Controls A 1 2.
Front & Rear Panel Function Controls B efore attempting any system interconnection, please familiarize yourself with the front and rear panel controls of the Model 2 Amplifier . The descriptions below refer to the numbers associated with the features in the diagram above.
2 1 3 Rear Panel Power Connections.
Installation L ocate the Amplifier as close as possible to its final installation point. Allow access to the rear panel for making connections. The Model 2 Amplifier is convection cooled, eliminating the need for fan or forced air cooling. When operating, the chassis should have at least two (2) inches of air space around the heatsink areas.
2 1 Signal Connections 4 3 3.
Signal Connections T he Model 2 amplifier offers unprecedented compatibility with associated audio components. When connecting or disconnecting speaker or interconnect cables, it is only necessary that the FRONT P ANEL ST ANDBY/ POWER button be pressed to switch the amplifier to standby mode.
Operation A fter following the procedures outlined in the Installation/Rear Panel Power Connections and Signal Connections sections, the Amplifier can be turned on by pressing the FRONT P ANEL ST ANDBY/POWER button. Allow approximately twenty (20) minutes for the amplifier to reach operating temperature and maximum performance potential.
Performance Specifications Output Power Continuous RMS watts @ 8 ohms 75 watts @ 4 ohms 150 watts Power Bandwidth 0.1 Hz to 160 kHz, -3 dB Slew Rate 80 volts per microsecond THD and Noise Less than 0.
Basic T roubleshooting A summary of fault conditions, their causes and remedies, are listed below. The Model 2 Amplifier can produce high power levels which, without well designed pr otection circuitry, could damage loudspeaker s.
Condition FRONT P ANEL ST ANDBY/POWER button illuminates normally but RIGHT , LEFT or both Amplifier CHANNELS do no operate or warm up to normal operating temperature. AC MAINS CIRCUIT BREAKER (rear panel) switches off or will not remain on. 50/60 Hz hum noise in loudspeakers.
I f you have any additional questions regarding installation or operation, please contact your authorized Jeff Rowland Design Group Dealer . JEFF RO WL AND DESI GN G ROUP.
デバイスJeff Rowland Design Group Model 2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:
Jeff Rowland Design Group Model 2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Jeff Rowland Design Group Model 2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。Jeff Rowland Design Group Model 2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。Jeff Rowland Design Group Model 2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。
Jeff Rowland Design Group Model 2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Jeff Rowland Design Group Model 2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、Jeff Rowland Design Group Model 2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Jeff Rowland Design Group Model 2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。