This is a reprint of an Advertisement by Celestion from 1979. It is the mighty Ditton 662, top of the line from Britain in 1979! It has an article explaining the features and benefits along with full specs for each speaker, crossover points, sizes etc. One of the best Ads out there, very collectable!You will NOT be dissapointed by this Ad! Many more Celestion Ads on my eCRATER store! -Each Page is 8.5" by 11"Please check out my new Vintage Audio Web Site, www.VintageAudioArchive.com-Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship!-As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund!-Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU!Powered by eCRATER . List your items fast and easy and manage your active items.