This vintage Radio Shack full range speaker driver features a 4" size and model number 40-1197. The brand is Realistic, and it is a great addition to any collection of vintage electronics. The speaker is designed for use in audio and video equipment and is ideal for use in vintage speakers.

This speaker driver is a fantastic find for any collector of vintage electronics. It is a great example of the quality of products that were produced by Radio Shack. The speaker driver is perfect for use in vintage audio and video equipment, and it is sure to provide excellent sound quality.