![Vintage Heco Superior 700 - how flat should they respond? | Audiokarma Home Audio Stereo Discussion Forums Vintage Heco Superior 700 - how flat should they respond? | Audiokarma Home Audio Stereo Discussion Forums](http://www.hifidatabase.com/static/gallery/1/5951-heco_Superior-700.jpg)
Vintage Heco Superior 700 - how flat should they respond? | Audiokarma Home Audio Stereo Discussion Forums
![Jan Beta™ on Twitter: "Just put a new (well, eBay old salvaged) low frequency driver into this vintage 1970s Heco P4302 speaker and resoldered the mid range driver. Sounds sweet and retro Jan Beta™ on Twitter: "Just put a new (well, eBay old salvaged) low frequency driver into this vintage 1970s Heco P4302 speaker and resoldered the mid range driver. Sounds sweet and retro](https://pbs.twimg.com/media/D21IV2sWsAAC9Xm.jpg)
Jan Beta™ on Twitter: "Just put a new (well, eBay old salvaged) low frequency driver into this vintage 1970s Heco P4302 speaker and resoldered the mid range driver. Sounds sweet and retro
![Vintage GERMANY 80's HECO Superior 500 Amazing sound bookshelf speaker Photo #230758 - Canuck Audio Mart Vintage GERMANY 80's HECO Superior 500 Amazing sound bookshelf speaker Photo #230758 - Canuck Audio Mart](https://img.canuckaudiomart.com/uploads/large/230758-vintage_germany_80s_heco_superior_500_amazing_sound_bookshelf_speaker.jpg)