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Howard Ferstler
 
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Howard Ferstler wrote:

Dingus wrote:

wrote:
So which loudspeakers consider being the best from AR? AR-LST, AR-3a

or
AR-9? How are these AR speakers up against the Allison Model One? I
really interest to learn something about these classics.


i dont know who designed what but... the original AR-9 came out after
Teledyne stepped into the picture,


I believe that Ken Kantor may have been involved with the
design of the original AR-9 system, although Victor Campos
may also been involved. Campos may also have been involved
with the later version of that system. The AR-3a's original
design was drafted by Ed Villchur before he sold the company
to Teledyne. The actual system was designed by Chuck McShane
and Roy Allison. The LST was Allison's design, as was the
Allison Model One.

and was produced from around 1980 to
around 1983 (rough guestimate but its fairly close). i have heard the
Allison I driven with a very nice solid state Quad amp (dont know which
model) and it put out a wonderfully big beautiful smooth sound. i
recently aquired a pair of Teledyne AR-9's which i drive with a Luxman
R-117 receiver and for my taste in music i would opt for the AR-9 over
the Allison I.


It will be more focussed and less spacious. Both systems
solved the mid-bass suckout problem.

if my taste in music was less rock oriented i would
take the Allison I. i have not heard either with tube gear but would
love to.


Assuming good tube gear, there would not be much difference.
With high-powered SS gear you would get higher peak outputs.

there is a later model AR-9 but it is not nearly the same speaker as
the original Teledyne AR-9. cant help you with the AR-3a or AR-LST but
i cant conceive either as being in the same class as the other 2.


I compared the early AR-LST to the earliest Allison Model
One decades ago. They sounded more alike than different.
Remember, both were designed by Roy Allison, and both had
the same performance goals. The Model One would, simply by
its design, be flatter responding in the lower middle range
between 150 and 400 Hz.

Howard Ferstler


Oh, yes. I also compared the Allison One to the AR-3a, and
the former was generally brighter and more spacious
sounding. Later on, I compared the Model One to the Allison
IC-20. Not much difference, but the IC-20 did have a bit
more clarity, due to the driver arrangement.

Room-power curves for the IC-20 can be found in issue 95 of
The Sensible Sound, along with curves run on a number of
other good systems. Issue 94 also had curves, because they
were included in a two-part article I wrote.

My book, The Home Theater Companion, has a fair amount of
information about various AR and Allison models, by the way.
The book, published by Schirmer, is out of print, but used
copies are available on the internet.

Howard Ferstler