Questions about ADS L620 speakers

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ADS L620's are exceptional speakers and some of the best 2 way "bookshelf" speakers that were available at any price from any manufacturer during the late 1970's - early 1980's.  There were two generations of L620's; the first generation introduced in 1978 had cloth grills - the second generation introduced in 1980 had metal grills and featured a number of enhancements including improved drivers, crossovers and speaker terminals.  No matter what generation you have, you'll find that the woofer surrounds are made of butyl rubber, which won't rot over time like the foam that was used by most other manufacturers of the era.

To get the best sound out of your L620's, be sure to use speaker stands.  ADS sold optional stands for most of their 2 and 3 way speakers that elevated / angled them to the proper listening height.  You'll find the sound to be much improved when you get them off the floor.

For detailed information on ADS L620 speakers, see page 12 of the 1980 ADS brochure that can be found here ...

http://www.sportsbil.com/ads/

Enjoy!

Get a vintage amp which you can pick up for little money off eBay. For example an old receiver by Marantz, Technics, Pioneer, Yamaha, etc.

If you possibly can I suggest that you try to stretch for the $250 - $300 range of integrated amps.  My first choice in that range would be a Rega Brio I or II.  These are great little 30wpc English integrated amps from the 1990s.  They tend to be more refined sounding and perhaps a little warmer than the Japanese/Chinese amps.  The 60 wpc Rega Mira is also very good but you'd be lucky to find one for <$300.  My second choice would be one of the Rotel integrated amps from the early to mid 1990s like the 60 wpc RA-970BX or the 100wpc RA-985BX.  The Rotel amps have more power and are punchier but also a but cooler and drier sounding. The slightly newer 50wpc NAD C320BEE is another fine choice.

Amps from the 1970s and 1980s are very likely to be starting to see parts problems especially with the electrolytic caps.

I have a pair of L620's.  I'm the original owner and have had them since 1984.  I put them on flat stands that elevated them about 24" off the floor.  They are very good speakers in my opinion.  Unfortunately I have not had the need to use them for the past 10 years or so and now with my Klipsch home theater system I probably never will.