It would be interesting to get the Dartzeel and the Chinese clone side by side for a listening evaluation. Anyone with a real one want to experiment?
http://www.audioasylumtrader.com/ca/listing/Amplifier-SS/Dartzeel-nhb-108/NHB-108/Clone/188752
http://www.audioasylumtrader.com/ca/listing/Amplifier-SS/Dartzeel-nhb-108/NHB-108/Clone/188752