-Rare Heathkit Preamplifier, Model AA-20-The red light lights up when plugged in (see pic 9)-It may work fine, but I don't have the equipment to fully test it, so it is being sold AS-IS/Parts-Missing one foot from the bottom, but does balance on the remaining 3. - see pic -Measures ABOUT 13 1/8" x 6 1/4" x 4 3/8" tall -Cord measures over 5' long-Weighs about 5 lb 10 oz-The inside looks nice and clean-Knobs all move properly-Measuring tape is not included-Please use pict...ures as an important source of information -Fast Shipping-Smoke free/pet free home-SOLD AS-IS, NO RETURNSGeneral info:**This item is used. We try to disclose all issues, but everyone has different standards. We encourage you to use the zoom feature and take a close look at all pictures so that you can make an informed decision on your purchase. Please ask any questions before purchasing. Thank you. ** Please check out my other items. I will combine shipping when possible if you make multiple purchases. **International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.