LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

What is stock speaker size for 2000 LS400 with Nakamichi?

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Old 06-26-21, 12:35 AM
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afanboy
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Default What is stock speaker size for 2000 LS400 with Nakamichi?

I know variations of this question get asked all the time, but after reading all the threads, I haven't found an answer for what the stock size is. I want to upgrade the speakers without dremeling. Every thread only says that you can make a 5.25" or a 6.5" fit if you dremel. But what is the standard stock size so I can replace without dremeling?

I have a 2000 with Nakamichi, no nav.

Thanks very much.
Old 06-26-21, 07:20 AM
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mcomer
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The official Technical Information page for your 2000 LS is rather vague, simply has a line
drawing with "rear speaker" and "subwoofer speaker" and no dimensions provided.
Old 06-26-21, 08:27 AM
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afanboy
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Thanks for checking.

Crutchfield says 5.25" but "with modifications required."
Old 06-26-21, 11:03 AM
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afanboy
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This thread says 4" front and back:

https://www.clublexus.com/forums/lex...00-1999-a.html
Old 06-26-21, 05:50 PM
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YODAONE
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Default Nakamichi speaker measurement

1999 LS400 Nakamichi speakers appear to be 5.25".


Nakamichi speaker library. Two sets.

5.25"
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Old 06-26-21, 06:00 PM
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Bylan
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They are 5.25" speakers, but most all aftermarket speakers will require some trimming to fit. I recently installed Hertz DSK 130.3 Dieci Component speakers in all 4 door of my 98' with Nakamichi. There was a fair bit of dremel tool involved, even though they are 5.25" speakers. A test fit of some basic 5.25" Pioneers also required trimming.
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Old 06-26-21, 10:02 PM
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LeX2K
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Originally Posted by Bylan
I recently installed Hertz DSK 130.3 Dieci Component speakers in all 4 door of my 98' with Nakamichi.
How do they compare to stock?
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Old 06-27-21, 12:39 AM
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Huge thanks.
Old 06-29-21, 10:44 AM
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afanboy
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Found online, accuracy not guaranteed, but sounds right to me:
1998-2000 OPTIONAL NAKAMICHI PREMIUM SOUND SYSTEM:

Development: Nakamichi and Lexus developed this system

Manufacturer: Built to specification

Processing:

280 watt maximum power

5 channel analog amplifier

Speakers (7):

(2) 1" 40 watt tweeters, mounted at top of front doors

(2) 5.5" 40 watt mid-range speakers in the front doors with enclosures

(2) 5.5" 40 watt full-range speakers in the rear doors with enclosures

(1) 7.8" 120 watt subwoofer mounted in the rear deck
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