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This manual is very helpfull to use the Power Supply. All technical information has been available.
For service use the circuit diagrams are very good.
Thanks .
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Very comprehensive document which is a must-have for any Satellit 2100 owner whose set up is somewhat intricate. Due to the bad quality of the pictures that are rather dark and a bit blurred I gave 4-star feedback.
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The manual was missing 2 pages but when I presented the problem to the company they made every attempt to get the 2 pages to me, when they couldn't they refunded my money. A very pleasing and easy transaction. The manual they provided was the original, it was concise and to the point. I plan to do business with this company again when should the need arise.
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The owners manual is very good. all my how to questions were answered in detail.
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Irrespectively of this manual exist only germany language, it's useful - although i need some additional task to translate: My english is bad, but usable - but i really dont speak germany. :)
GTH400-20107
06/03/98 15:49
Side 6
3. System Design Using the GTH400
3.1 Speaker Requirements When used in the non-bridged mode a group-channel of the GTH400 can easily drive two 2-ohm speaker loads. When only one speaker is connected to the left and right outputs of a group, virtually any conventional speaker may be used. When two speakers are connected in parallel to a single output (left or right) of a given group, each speaker must have a minimum impedance of at least 4 ohms. This ensures that the combined load will not drop below 2 ohms. Although the amplifier will not be damaged, load impedances lower than 2 ohms will eventually cause the amplifier to overheat, activating the protection circuits and causing the unit to shut off until it cools down sufficiently.
Parallel Wiring
When a group of the GTH400 is in bridged mode, the combined impedance of the speaker (or speakers) connected to the bridged channels should be at least 4 ohms. As in the example above, sustained operation of the GTH400 in bridged mode with less than 4 ohms will likely cause overheating. The GTH400 must not be used with speakers that have either one of their input terminals wired to the frame of the speaker or to the chassis of the vehicle.
(+)
2 ohms Nominal Impedance
4 ohms
4 ohms
(�)
Series Wiring
(+)
8 ohms Nominal Impedance
4 ohms
(�)
4 ohms
6
 $4.99 GTH400 JBL
Service Manual Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagr…
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