Up for sale here is this set of 25 new warm white wired incandescent light bulbs. They are perfect replacements for the source, power, and stereo lights in most of the Pioneer SX series:
SX-424, SX-525, SX-626, SX-727, SX-828
SX-434, SX-535, SX-636, SX-737, SX-838, SX-939, SX-1010
SX-450, SX-550, SX-650, SX-750, SX-850, SX-950, SX-1050, SX-1250
SX-580, SX-680, SX-780, SX-880, SX-980, SX-1080, SX-1280, SX-1980
SX-3400, SX-3500, SX-3600, SX-3700, SX-3800, SX-3900
SA-9500

Specs:
Voltage: 8v AC/DC (they will work fine at 6.3v, 7v, or 8v)
Current Draw: 50mA
Color: Warm White
Wire Length: 19 inches (483mm)
Diameter: 4mm
Polarity: Non-polar

They will work on lots of other equipment as well. These are very similar to the original incandescents. I do have similar 8v 4mm LED bulbs listed as well. Please see my pictures for details.

US shipping and handling is $5, and international is $18, no matter what quantity you buy. All my small parts are set up for combined shipping, so just use the "add to cart" feature and then check out all at once, and it will combine shipping If you have any questions, please ask.

Looking for more parts? I have power switches, feet, pushbuttons, top case screws, bottom screws, faceplate screws, white LED fuse lamps, blue LED fuse lamps, 6.3v bi-pin bulbs, 8v bi-pin bulbs, 12v bi-pin bulbs, wired 8v 60ma bulbs, new power cords, new main capacitors for the Marantz 1060/2230, wired Pioneer speaker plug replacements, new 630v yellow film capacitors at 38 different values, new 1200v yellow film capacitors at 15 values, a large variety of transistors for vintage stereo repair, new Wima film capacitors for stereo repair, new 250v yellow film crossover capacitors, and more. Just use "add to cart" on everything you want and then check out for combined shipping.