New Celestion G10N-40 OEM 16 Ohm guitar speaker as used in Marshall, Orange and Hiwatt products. Check the specs on the Celestion site and compare with the Greenback 10. Virtually identical except for the 40W power rating and reviews suggest the sound is nearly identical. It's my understanding that this OEM speaker is no longer available for purchase from Celestion. I was an OEM, now liquidating part of my inventory. This speaker is an excellent choice for a 2x10 or 4x10 cab. Free shipping in the contiguous 48 states. International, Alaska and Hawaii customers must pay for shipping. Sorry! I don't accept returns so make sure this is what you want before you order. Thank you for looking.