CC-Tweaked/src/generated/resources/data/computercraft/recipes/speaker.json

{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    "###",
    "#N#",
    "#R#"
  ],
  "key": {
    "#": {
      "tag": "forge:stone"
    },
    "N": {
      "item": "minecraft:note_block"
    },
    "R": {
      "tag": "forge:dusts/redstone"
    }
  },
  "result": {
    "item": "computercraft:speaker"
  }
}