Thunderfunk Bass Amplifiers - Page 17

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RackEars
RemoveableRackearsareoptional.Theyextent1”outofeachsideoftheamplierandareat-
tached with four screws and nuts.
OnallTFB800-B2,TFB750-A,TFB550-B,TFB550,andTFB420ampswithserialnumbersof300
andup,therackearscanbeputonandtakenoffwithoutremovingthetopcover.Firstremovethe
side-strapcarryhandle,anduseFour#10-32x½”screwstoattachtherackearsusingtheperma-
nentlyinstalled“PEM“nuts.Thenewestrackeardesignhasalternateholestoeithermountthe
handleushwiththefaceplate,ortomountit½”forwardofthefaceplateinordertorecessthe
faceplate for added protection of the front knobs and switches. In either case the two front side-
mounted bumper feet will have to be removed to mount the rack ears.
OntheTFB420Serialnumbers100-299,theearsareattachedbyremovingthetopcoverand
thentheside-strapcarryhandle,andattachingtheearsusingFour#10-24x½”or#10-32x½”
screwsandlocknuts.Removethetopcoveronlyafterdisconnectingthepowercordfromthe
amp,andwaiting10minutesforthevoltageinsidetodissipate.Careshouldstillbetakennotto
touchanythinginsidetheampwhenthecoverisoff.Toremovethetopcovertakeoutthe8at
head screws visible on the top, and then the two large screws at both ends of the amp on the bot-
tom.Thesescrewsare#10-24x½”onampswithserialnumbersbelowTFB299and#10-32x½”
onserialnumbersTFB300andhigher.
NOTE: If the bottom bumper feet are removed to mount the amp in a rack DO NOT put the bum-
per mounting screws back into the amp for storage. Store separately.