
1) American brand
Found on
https://www.crosswordclues.com/clue/heathkit

Heathkits are products of the Heath Company. Their products over the decades have included electronic test equipment, high fidelity home audio equipment, television receivers, amateur radio equipment, electronic ignition conversion modules for early model cars with point style ignitions, and the influential Heath H-8, H-89, and H-11 hobbyist compu...
Found on
http://en.wikipedia.org/wiki/Heathkit
No exact match found.