I have heard the terminology ‘composite top' and 'sandwich top' in
   addition to ‘double top', and they all refer to similar construction,
   although the earliest ‘double top' guitars used a layer of a hexagonal
   synthetic material called Nomex in between the two paper thin layers on

   A. John Mardinly, Ph.D., P.E.
   Classical Guitarist/Lutenist

   On Mar 25, 2020, at 9:56 AM, Joachim Lüdtke <[1]jo.lued...@t-online.de>

   Dear David, dear list,
   I was a bit puzzled at first because I know the term double top, but
   only pointing to instruments like e.g. Marcard guitars with a second,
   'interior' soundboard. What you describe is what I think is usually
   called a sandwiched soundboard. Is my terminology too limited or do I
   use it too strictly?
   A few weeks ago, before the darn Corona guy rode into town, there were
   guitar days here in the Hochschule für Kunst und Musik in Bremen, and
   there were young builders showing their recently finished guitars, and
   one of the guitar teachers of the Hochschule playing a few measures on
   each of them. Most sounded excellent, and I am ashamed to say that I
   couldn't make much difference between the majority of the sounds,
   neither did I ask for prices …
   Best from the Hanseatics
   Betreff: [LUTE] Re: Double Top
   Datum: 2020-03-25T17:44:36+0100
   Von: "David Smith" <[2]d...@dolcesfogato.com>
   An: "Tristan von Neumann" <[3]tristanvonneum...@gmx.de>,
   "[4]lute@cs.dartmouth.edu" <[5]lute@cs.dartmouth.edu>
   That cost is what a master builder charges for classical guitars -
   10k-20k is pretty normal. The cost of doing a double top is really not
   that high. The materials are not expensive and vacuum is used for a lot
   of other things in the shop. I use it for attaching bridges and holding
   instruments while French polishing. The Dammann price is based on his
   reputation and not on it being a double top. You should be able to find
   good quality double tops starting around 3-4k.
   As to using it on a lute, you have to like the sound of it because it
   is clearly not historical. I, personally, do not like the sound of
   double tops that much. They sacrifice character for volume, imho. But,
   if you are trying to fill a concert hall without a microphone then
   there are already a lot of sacrifices being made and the double top is
   just one more. For a more intimate setting I think it is overkill. The
   bracing from Trevor Gore (Falcate system -
   0F5qUAGqTuToEdzrjzuTjZ3Rl4kFVBRh16ZCVLBts&e= ) is more interesting. It
   makes for a very even sound throughout the instrument and provides more
   volume as well. Would I use it on a lute. Not likely.
   Anyway, some random thoughts.
   -----Original Message-----
   From: [7]lute-...@new-old-mail.cs.dartmouth.edu
   <[8]lute-...@new-old-mail.cs.dartmouth.edu> On Behalf Of Tristan von
   Sent: Wednesday, March 25, 2020 9:18 AM
   To: [9]lute@cs.dartmouth.edu
   Subject: [LUTE] Re: Double Top
   For that money, I'd buy a Lute consort...
   I don't see any advantage...
   On 25.03.20 11:40, Jurgen Frenz wrote:

     I read about the process to make such an instrument - from memory
     the two slices are glued together under vacuum, to me it sounds like
     quite a costly process. The guitars made by the inventor of this
     technology Matthias Dammann cost 15 000 € a pop.
     ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
     On Wednesday, March 25, 2020 2:04 AM, Mark Probert
     <[10]probe...@gmail.com> wrote:

     John wrote:

     Question is, has this been tried on a lute? Are there any luthiers
     interested in trying?

     Interesting technology. As applied to a lute? Not so sure.
     I suspect someone will but most won't as there is not really any
     advantage and much disadvantage (the lamination process for
     workin with nomex or similar, etc.).
     The problem this construction "fixes" is loudness. While there may
     occassions when a lute is too soft, making up for it with an overly
     stiff soundboard would, I suspect, take away much of what makes a
     lute sound the way it does.
     Consider the following article for more
     Kind regards
     .. mark.
     To get on or off this list see list information at



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