Lower price because of no dumper one side but no influence in sound quality (Checked in the sweep test:OK). Some dirts on corn paper,but edges are OK. Of course original corn. 38cm woofer . Alnico magnet. 20 to 1000Hz. 16 ohm(measured:26/28 ohm) Crossover:500Hz or less. 105dB. Baffle dia.:33.7cmφ. Max.input:35W . 38.9φxD19.7cm. 11.8Kg