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KENWOOD L-09 amp MODS

Posted 16th April 2011 at 06:18 PM by tube dog

re: KENWOOD L-09 amp MODS :

Have interest in mods to improve these DC mono block amps. After 32 years of service, a RECAP job of electrolytics ( 2) is in order for my pair (electroylics caps dry-out and BURST/ FAIL - and will take-out 24 output transistors and probably your speakers also ) So while the IRON IS HOT ..... I noticed the following possible mods to improve these amps' performance :
MOD #1- Replace 6 foot # 16/2 ' zip cord ' AC power cord....with 2 foot of # 8/2 ( amp pulls 1200 watts @ full power each ) note; a # 10/4 stranded copper power cable can be wired in 2 pairs ( red+black / white+green ) which eliminates DRILLING chassis opening LARGER to accomadate # 8/2, but will NET #8/2 gauge AND provide added shielding with 4 conductor spiraling ! THIS IS A NO BRAINER AND SHOULD MAKE THIS AMP BREATH a bit easier
(note : factory issue AC cord has NO ground conductor-and I would suggest NOT adding a grounded conductor to new 15 amp plug either-...
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