This is a reprint of the Stereo Review test done in 1980. The legendary M-400 CUBE Amplifier from Bob Carver. He created this amplifier from his original amplifier he created in a coffee can! He rocked the Audio world with this legendary design and his magnetic field transformer that allows a small and light Amplifier. Here you have the full test, specs, measurments and commentary about this legend. You will You will not be dissapointed by this review. -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.