Krell IndustriesメーカーPreamplifier KRC 2の使用説明書/サービス説明書
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A. INTRODUCTION Thank you for your purchase of the KRELL KRC-2. remote control preamplifier. The KRC-2 combines the latest eV.olutions in preamL~lifier technology with a radical approacla to remote control circuitry. The-KRC-2 is part oI" a new gener.
B. TABLE OF CONTENTS 4 5 6 8 10 11 14 15 UNPACKING AND ASSEMBLY BASIC INSTALLATION AND OPERATION INPUT AND OUTPUT CONNECTIONS BASIC PREAMPLIFIER OPERATION REMOTE CONTROL QUESTIONS AND ANSWERS SPECIFIC.
C. UNPACKING AND ASSEMBLY 1. Open the box and remove the top layer of foam. The KRC-2 and following items will now be visible: KRC-2 remote control Warranty card AC power cord Owner’s Reference NOTE: If any of these items are not included please contact your authorized dealer immediately f6r assis- tance.
D. BASIC INSTALLATION AND OPERATION 1. Place the unit on a firm level surface free from exces- sive dirt or moisture..The KRC-2 is not particularly hum sensitive, therefore other components can be placed on or around the KRC-2. 2. If you are using the separate.
E. INPUT AND OUTPUT CONNECTIONS CAUTION: When making connections to this component or any other, make sure tlie power amplifier is OFF. CAUTION: Make sure all cable terminations are of the highest quality, free from frayed ends, shorts or cold solder joints.
REAR PANEL DESCRIPTION INPUTS Four single-ended inputs via standard RCA connectors S1 $2 $3 $4 Two balanced inputs via standard XLR connectors B1 B2 TAPE Tape input via standard RCA connectors TAPE OU.
F. BASIC PREAMPLIFIER OPERATION The KRC-2 has the flexibility of a remote controlled device but does not require special attention in order to . perform simple functions. Tile KRC-2 will function much fike other K/ell preamplifiers.The unit can be operated from the front panel controls or via the remote control.
Basic Operation: 1. Press the Mute button briefly on the KRC-2. 2. Turn the volume control fully counterclockwise to the Off position, no LED’s illuminated. 3. Turn the power amplifier On. 4. Choose a listening source and .select that input by pushing the corresponding input button on the KRC-2.
FRONT PANEL DESCRIPTION INPUT SELECTION S 1 selects S 1 input $2 selects $2 input $3 selects $3 input B 1 selects B 1 input B2 selects B2 input FUNCTIONS TAPE selects Tape i~nput and allows monitoring ot Tape return.
G. REMOTE CONTROL 1. When a function button on the remote control is ~ssed, the blue pilot LED will flash on the KRC-2. en the button is released the flashing stops.
H. OUESTIONS AND ANSWERS .Q. When I turn up the volume on the KRC-2 a loud hum is present from ttie loudspeakers. What could it be? A. Hum can be caused by_ several different disturbances. Check to make sure all of the cables in and out of the KRC-2 are sound and making proper contact.
Q. Why do I have. to turn up the volume so high to get music at a normal listening level? A. If your system does not seem .to have enough gain over all, you are probab~ly not utilizing the balanced input or output capabihties ot the KRC-2. For every balanced termination on the KRC-2 yo.
I. SPECIFICATIONS GAIN 6dB orl 2dB SIGNAL-TO-NOISE < ,95 dB unweighted THD 1K < 0.02% 20K < 0.02% INPUT IMPEDANCE 47,000 ohms(47K) OUTPUT IMPEDANCE 10 ohms OUTPUT VOLTAGE 16 volts R.
J. WARRANTY AND SERVICE INFORMATION There are no user-serviceable parts inside the KRC-2. The KRC-2 has a limitecl warranty of fiv.e years parts and labor. Return freight is included in tlae warranty. The warranty, per!od, begins on ~the date of purchase and is activated witla tlae return ot the enclosed Warra.
l l 1 KRELL INDUSTRIES I 45 Connair Road Orange, Ct USA 06477-3650.
デバイスKrell Industries Preamplifier KRC 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：
Krell Industries Preamplifier KRC 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Krell Industries Preamplifier KRC 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。Krell Industries Preamplifier KRC 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。Krell Industries Preamplifier KRC 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。
Krell Industries Preamplifier KRC 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Krell Industries Preamplifier KRC 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、Krell Industries Preamplifier KRC 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Krell Industries Preamplifier KRC 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。
