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In Reply to: RE: One simple solution . . . posted by raymeedc on January 31, 2016 at 13:40:13
The L-400 is "almost" a true minispeaker (a la the Visonik David or R/S Minimus 7), although larger than the L-300 (which is more directly comparable to the Visonik or Minimus).
The L-420 and L-470 are larger two ways, but smaller than classic ads two-ways like the L-500. They're both quite nice; the L-470 came later (I think), is a little chintzier, and may be quite inexpensive. I have a pair of L-470s that was given to me -- I find them to sound very, very good for their size and fairly modest construction values.
The link below is the single best clearinghouse of ads info -- but it's just a directory of files, so some rooting around will be needed :-P
The parent website for the link is: http://www.kallhovde.com/Njord%20Noatun%27s%20Vintage%20Audio%20Resources.html
all the best,
mrh
Follow Ups:
The 4xx series all are two way speakers with a dome tweeter and a woofer of around 6.5 (close to 7) inches. They are fairly small bookshelf speakers, around 19 inches tall, if memory serves. As the years went on, the cabinets seemed to get lighter, and changes were made to the drivers. The L400 and L470 are both listed in the 1986 pricelist, so they were sold at the same time. They have the same size drivers, but the L400 has a much smaller cabinet, which some say affects the bass response adversely. The L420 is an earlier speaker, and after the L470 time wise, came a revamp of the ADS lineup which gave us the L7e, a similar sized bookshelf speaker with a new woofer and a non-sticky dome tweeter.
I also own an early pair of ADS speakers that are simply marked 400, with no "L". They are also 2 way bookshelf speakers with the same size woofers and sticky tweeters like the L420 and L470. With similar sized cabinets as well. Though these 400's had foam surrounds on the woofers rather than the usual butyl rubber. Apparently, the early ADS speakers did have foam woofer surrounds but my understanding is that they quickly switched to the rubber. I also have a pair of ADS 500 speakers, which again, would be in the family of the L520 and L570. These, however do have rubber woofer surrounds...
--Matt
"When you think everything is someone else's fault, you will suffer a lot."
--Dalai Lama
although I've never quite understood it :-P
My impression is that early ads products were Braun OEM, or used Braun OEM components (?). The product lines were long similar, but at some point diverged.
I imagine that teh webs is rife with info on this, but I've never been quite interested enough to look into it deeply.
That said, I was and remain a big fan of the sound of the classic ads loudspeakers; very easy to drive & very easy and satisfying to listen to.
Many of them have cat-proof perforated metal grilles, too! ;-)
all the best,
mrh
Hired by none other than Werner Von BraunI regret not meeting him on an occasion he came by the shop where I worked. I knew in advance and left my modified LV1020s there for him to see. He thought they were interesting, but noted I had wired one driver out of phase. :)
We also sold Dahlquist so I fashioned a similar separate baffle for the tweeter and midrange and plugged the holes in the cabinet. I inverted the cabinet for closer driver spacing and placed the baffle on top.
edit: critical omission of word "not"!
Edits: 02/03/16
These threads over at that other place
http://www.audiokarma.org/forums/index.php?threads/a-d-s-line-pecking-order.44406/
http://www.audiokarma.org/forums/index.php?threads/ads-models-an-impromptu-rollcall.69719/
Just a bit of light reading...
--Matt
"When you think everything is someone else's fault, you will suffer a lot."
--Dalai Lama
Basil (my British Shorthair cat), while reading over my shoulder, caught the crack about cat-proof grilles..... consequently, it looks like he's gonna give me a hard time sneakin' a pair past him into the house (ever see Pet Cemetery?..... that's a British Shorthair..... 'nuff said).
Edits: 02/01/16
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