
Now that's one big subwoofer from EMF Audio. Not the world's biggest though – check out this 100-inch diameter model from Ascendo Immersive Audio.

We just love vintage 1970s audio components like this Pioneer SA-506 integrated amplifier. The meters would give you a view of its mighty 25 watts per channel output. Courtesy of VintageChief.com.

Radio guards the baby! Scientists hear germs die! Radio News had some serious technological advancements to report on in July 1932.

Here's a stylin' Denon UCD-88 CD player, part of Denon's D-F88 microsystem that also offered the UPA-F88 integrated amplifier, UTU-F88 tuner, UDR-F88 cassette deck, and two-way speakers. Your editor remembers it as sounding really good. It can be yours for 69 Euros (about $81) from Vintage Chief.

These 1950s and 1960s Teppaz ads certainly bring a lot of joy to us. They knew how to design cool-looking portable record players!