I am a fully licensed supplier.RADICAL -SOUND SET (3 chips)SKU: SND-RADICC$36.00PriceQuantity*Add to CartBALLY ROMSSET OF 3 (U14.L1/U19.L1/U20.L1) TECH SPECSBally: Radical ROM Revisions Game Version L-1 U26 : Checksum: B212 U27 : Checksum: 785B Sound Version L-1 U4 : Checksum: 845C Speech Version L-1 U19 : Checksum: 395A U20 : Checksum: 05AA PROGRAMMING NOTE: Check the filesize of the ROM image to confirm what size EPROM to use: Size EPROM (size) ------- ------------- 131,072 27C010 (128K) 65,536 27512 ( 64K) 32,768 27256 ( 32K) 16,384 27128 ( 16K) 8,192 2764 ( 8K) 4,096 2732 ( 4K) ROM REMOVAL & INSTALLATION INSTRUCTIONS https://www.pinballrom.com/_files/ugd/0a3635_1f0af8ba09644eb78d30e50f112cf374.pdfWILLIAMS SOFTWARE LICENSE https://www.pinballrom.com/_files/ugd/0a3635_523e61bbc4f04fb5985c60266a76c1e2.pdf