> Supply exceeded demand, and 12,000 units were left unsold until they were sold off cheaply. This resulted in a £480,000 loss for Sinclair. Sir Clive Sinclair was certain that the TV1B model released in 1978 would be more successful, but sales were disappointing.
https://en.wikipedia.org/wiki/Clive_Sinclair
> Supply exceeded demand, and 12,000 units were left unsold until they were sold off cheaply. This resulted in a £480,000 loss for Sinclair. Sir Clive Sinclair was certain that the TV1B model released in 1978 would be more successful, but sales were disappointing.
(https://en.wikipedia.org/wiki/Sinclair_Radionics#Portable_te...)
His later TV was more interesting in design but not any more successful:
https://en.wikipedia.org/wiki/TV80 http://rk.nvg.ntnu.no/sinclair/televisions/tv80.htm