Tested on my stereo and it sound clean.. Tweeter pot dirty and the knob is broken Used a bright light to see inside and it looked very clean also could see a RED mark. With a minor corner bump in the lower back.. Serial # 7877 dates to 1957. 60 miles east of Los Angeles…. Please check my feedback regarding audio equipment and speakers. Auctiva Free Image Hosting. The item “AR-1 ACOUSTIC RESEARCH original sealed 1957 Western Electric Altec 755a WORKING” is in sale since Saturday, April 23, 2016. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “maggiemoon4u2″ and is located in Highland, California. This item can be shipped to United States.
- Brand: ACOUSTIC RESEARCH
- Model: AR-1
- Country/Region of Manufacture: United States