CUSTOM (6MM) ACRYLIC TUBE SLIM FESTOON LAMPS FOR YOUR AUDIO NEEDS. REPLACEMENT LAMP FITS MANY UNITS INCLUDING FISHER MACINTOSH MARANTZ SANSUI AND KENWOOD. SOME AUDIO APPLICATIONS REQUIRE THE 6MM OD FESTOON INSTEAD OF THE  1/4 OD FUSE LAMPS FOR PROPER FIT. THESE LONG LASTING  HIGH OUTPUT  LED CIRCUIT REPLACEMENTS HAVE AN AVERAGE LIFESPAN OF 100,000 HRS.THE AVERAGE INCANDESCENT BULB LIFESPAN IS 1000 HRS. 6MM OD LAMP FITS IN EXISTING LAMP HOLDER CLIPS . REGULATION CIRCUIT AND LEDS (2 LEDS PER LAMP) ARE SELF CONTAINED AND DRAW ONLY 18 MILLIAMPS AS OPPOSED TO THE ORIGINAL INCANDESCENT 150 TO 300 MILLI AMPS. SIDE VENTING KEEPS HEAT TO A MINUMUM.  ALL LED REPLACEMENT LAMPS ARE HAND ASSEMBLED, TRIMMED FOR OPTIMUM CURRENT DRAW, AND 100 PERCENT TESTED.