Sonic FrontiersメーカーPower 2の使用説明書/サービス説明書
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Operating Manual for the Sonic Frontiers Power 2 Stereo Amplifier.
Operating Manual for the Sonic Frontiers Power 2 Stereo Amplifier W e at Sonic Frontiers hope you will derive many years of listening pleasure with your new Power 2 Amplifier. This Operating Manual contains important information regar d- ing the operation and care of this Amplifier.
1 Unpacking At this point we can assume that you have successfully opened the box flaps and found this manual. The box was designed to ensure the safe transport of the amplifier, Sonic Frontiers strongly recommends the storage of the Power 2 box in a safe, dry place.
2 Quick Setup At this point we urge you to read and understand this manual in its entirety. But if you desire immediate action and have skill and/or past experience with tube hardware, fol - low these steps.
3 Reference Diagrams This drawing is refer red to as the “Tube Top” within the instructional text. T ube locations V1 to V3 and LV1 to LV3 indicate placement for the six 6922 tubes. T ube locations V4 and LV4 indicate placement for the two 5687 tubes.
4 C Power Switch D Standby Switch E Power LED (Green - Power; Red - Mute; Orange (Red + Green) - One Channel in Mute) F Standby LED (Green - Operate; Red - Standby) G Detachable IEC Power Cord Socket .
5 Installing the Tubes Be sure the amplifier is OFF (Power Switch Out) before installing any tubes or when any of the tube sockets are empty . W earing the cotton gloves provided with the amplifier when handling tubes will prevent skin oils from depositing on the glass surface of the tubes.
6 When installing the 6550C or KT88 power tubes, match the numbers designated on the metal base of the tube or the tube boxes to the cor r esponding markings printed on the tube top (V5 through V8 and LV5 through LV8) and be sure the center pin key locator is in alignment with the slot in the center of the socket.
7 Biasing of the Power Tubes Bias voltage applied to the grids of the power tubes in the output stage should be checked from time to time (once a month) to keep these tubes operating at the optimum operating point. A properly biased power tube will have a longer, happier life.
8 Controls, Functions and Connections Front Panel Refer to Reference Diagrams. C Power Switch This switch provides control over the AC power from your wall outlet.
9 Damage due to bypassing the fuse or due to replacement of a fuse of higher ratings will not be covered under the warranty. To access the fuse, insert the slotted screwdriver , pushing to compress the internal spring and turn counterclockwise to unlock the housing.
10 Adjustment for Load Impedance Note: Adjustment for load impedance should only be done by an authorized Sonic Frontiers dealer, distributor or service technician. Any damage to the amplifier as a result of a person(s) not authorized by Sonic Frontiers will not be covered under warranty .
11 4.Using the slot screwdriver provided with the amp, deal with one connection at a time, loosening off the tap screws of the first spade lug connection and tightening to the desired tap. The final connections should resemble these renderings: 8 Ohm Impedance Connections 4 Ohm Impedance Connections 2 Ohm Impedance Connection 5.
12 Care and Maintenance Placement The amplifier must be placed on a har d flat sur face with plenty of unobstructed space around the Power 2 to allow for free movement of air for proper cooling. If the amplifier is to be placed on a carpeted floor, a Wood, Ceramic, Concrete, Marble.
13 T r oubleshooting If at any time the amplifier should fail to work, follow these steps: 1. Check that all tubes are fully seated in cor r ect sockets and all tube filaments are lit. 2. Check all connections at the rear panel. 3. Check that the amplifier is not in MUTE mode.
14 W arranty Disclaimer of Liability Under no circumstances does Sonic Frontiers, Inc. assume liability or responsibility for injury or damages sustained in the use or operation of this equipment or for damages to any other equipment connected to it. Sonic Frontiers, Inc.
15 Specifications Note: Power ratings based on a nominal power line input. All specifications are made on the 8 ohm taps, utilizing an 8 ohm load unless otherwise specified. Power Output: 110 watts continuous at 8, 4 and 2 ohms from 20 Hz to 20 kHz with less than 1% total harmonic distortion terminated with rated load (typically <0.
デバイスSonic Frontiers Power 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：
Sonic Frontiers Power 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Sonic Frontiers Power 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。Sonic Frontiers Power 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。Sonic Frontiers Power 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。
Sonic Frontiers Power 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Sonic Frontiers Power 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、Sonic Frontiers Power 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Sonic Frontiers Power 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。
