![](https://cdn.shopify.com/s/files/1/0672/2283/1394/files/mac-1900-buttons.jpg)
Detail of the front panel of a 1970s MAC-1900 receiver, made by McIntosh. Who needs surround sound when you've got switching options like these?
![](https://cdn.shopify.com/s/files/1/0672/2283/1394/files/mac-1900-rear.jpg)
MAC-1900, rear view. For a look at the front panel, check out Issue 139's Audio Anthropology column. MAC-1900 photos by Howard Kneller, courtesy of The Audio Classics Collection.
![](https://cdn.shopify.com/s/files/1/0672/2283/1394/files/12-hits-high-columbia.jpg)
What, no VTA adjustment? And who says one speed is all you need? Columbia Records ad, 1950s.
![](https://cdn.shopify.com/s/files/1/0672/2283/1394/files/4-channel-1974.jpg)
My parents actually owned a 4-channel system in the 1970s. Quadraphonic Buyers Guide, 1974.
Howard Kneller’s audio and art photography can be found on Instagram (@howardkneller, @howardkneller.photog) and Facebook (@howardkneller).