How do we remember 1970s amplifiers?


I would be curious to hear some of the memories and impressions associated with the following short list of 1970s amplifiers:

- McIntosh "first generation" SS amps, MC2105, MC2505, MC2300, MC250, MC2100
- Dynaco Stereo 400 and Stereo 120
- Phase Linear 400 and 700
- Bang & Olufsen "slide rule" receivers (i.e. especially blackface Beomaster 4000)
- Original Ampzilla (not Son of Ampzilla)

I've chosen this list mainly because they cover a wide range of approaches to solving the issues of early semiconductor technology, and they were all pretty mainstream products in the U.S. I'm excluding the Japanese receivers/amps not out of predjudice; it's simply that the circuit designs varied quite a bit with each model, and thus harder to broadly classify their characteristics.

I'm interested in impressions of both sonic and non-sonic attributes, and a preferred ranking of the above, if you like.
kirkus

Showing 2 responses by stereo5

I had a Kenwood 8000 and something integrated amp. I think it put out 75 wpc. I used it with Rectilinear 3a speakers and the sound was excellent. I have fond memories of that system. My turntable was a Thorens TD160 with a Shure V15 cartridge.

Should have kept the system.
My system in 1978 was a GAS Son of Ampzilla, GAS Theadra preamp and a GAS Sleeping Beauty cartridge mounted on a JVC Direct Drive turntable. Speakers were Rectilinear 7's. Never could get the 7's to sound as good or better than the old Rectilinear 3a speakers that I traded them for. I also had a Sansui Tuner which I should have kept.

I loved my GAS electronics, quite smooth yet revealing in their day. The piece de resistance of my system was my Teac reel to reel recorder (can't remember the model).

I was working in retail at a mom & pop audio store so I changed my equipment quite frequently back then.