These are virtually impossible to find and if you are missing them really improve the look of your piece. The Crown IC150 Preamplifier Brite only is a rare and sought-after accessory designed specifically for the Crown IC150 model. This preamplifier is ideal for bringing out the brightness and clarity of audio signals, making it a valuable addition to vintage audio setups. Its compatibility with the IC150 model and its brite function make it a unique and valuable piece for collectors and audio enthusiasts looking to enhance their vintage audio equipment. Clst drsr