JBLメーカーGT4.0cの使用説明書/サービス説明書
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GRAND TOURING SERIES GENUINE JBL A utomotive Component Systems G T4 . 0c, G T5 . 0c, G T6 . 0c Owner’s Manual GT4.0c, 5.0c, 6.0c OM 7/16/98 9:54 AM Page 1.
Thank you for purchasing a JBL Grand Touring 2-way Component System. We’ve organized this manual to make your installation as simple and trouble-free as possible.
03 Component System Parts Your new Component System consists of the GTC04 neodymium magnet tweeter and either a 4", 5-1/4", or 6-1/2" midwoofer. Both the GTC04 and the midwoofer have high-quality passive crossover parts already built into them.
04 IN-LINE CROSSOVER (DO NOT CUT OR BYPASS) GTC04 WIRING HARNESS CONNECT TO AMPLIFIER 2 1 Line up tab with slot on bracket Push tweeter into bracket and turn clockwise 2 1 FLUSH MOUNT Midwoofer Terminal Block Connect to Amplifier or head unit Lead from GTC04 tweeter Small 0.
05 T weeter Output Level The GTC04 is a very efficient tweeter. If there is a need to lower the tweeter output level, a pair of 4 ohm / 5 watt resistors can be connected in series with the GTC04 as shown in Figure 3. To avoid short circuits, make sure that heat-shrink tubing or electrical tape is used to cover all exposed wiring.
06 Installation of the GT4.0c woofer as shown in Figures 4a and 4b. Removable Mounting Ears on GT4.0c Bend up and down repeatedly to break off or use tin snips. • Some Toyota installations may require mounting ears to be removed from opposite sides.
07 Mounting Hooks Mounting Ring Foam Gasket Mounting Slots Rotate to Lock Rotate to Lock Rotate to Lock Slots for Mounting Hooks Mounting Hooks Mounting Ring Foam Gasket Mounting for US 6-1/2" Ho.
08 Hole Cutout Clips Mounting Surface Figure 5d Figure 5e Mounting the GT6.0c woofer in 165/170mm DIN (European) installations using the Intermount II clips shown in Figures 5d and 5e.
09 2. The best center image will be achieved when the distance from the left speaker and the right speakers are as equal as possi- ble from your listening position. This is most easily achieved by placing the speakers as far for- ward as possible. 3. Treble is directional in nature.
10 System Design There are a variety of system options available with the Component System. The simplest configuration is to use them full range with their built-in passive crossovers by connecting them to the output of a head unit or an amplifier (Figures 7 and 8).
11 Installation Warnings and T ips • Be careful not to cut or drill into fuel tanks, fuel lines, brake or hydraulic lines, vacuum lines or electrical wiring when work- ing on your vehicle. Inspect behind panels before you cut or drill. • Make sure that the midwoofer will physically fit in the mount- ing location.
12 A Note on Power Handling As a result of their high effi- ciency, all JBL loudspeakers will produce reasonable volume levels in the automotive environment using very little amplifier power. However, the use of a small amplifier to attain very high vol- ume levels could lead to over- driving the amplifier.
13 Specifications Component Systems Model GT6.0c GT5.0c GT4.0c Grand Touring Automotive Grand Touring Automotive Grand Touring Automotive 6-1/2" 2-way Component 5-1/4" 2-way Component 4&quo.
14 This is an important document. Attach your bill of sale to this page and keep it in a safe place. Your bill of sale is your warranty. The J B L warranty remains in effect for one year from the date of the first consumer purchase unless installed by an authorized J B L dealer.
15 GT4.0c, 5.0c, 6.0c OM 7/16/98 9:54 AM Page 15.
Declaration of Conformity We, JBL Europe A/S Kongevejen 194B DK-3460 Birkerød DENMARK declare in own responsibility , that the products described in this owner’s manual are in compliance with technical standards: EN 50 081-1/1992 EN 50 082-1/3.1995 Steen Michaelsen JBL Europe A/S Birkerød.
デバイスJBL GT4.0c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：
JBL GT4.0c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JBL GT4.0c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。JBL GT4.0c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。JBL GT4.0c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。
JBL GT4.0c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JBL GT4.0c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、JBL GT4.0c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JBL GT4.0c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。
