Section 7 - Recommended drivers
Wednesday, 09-Jul-2008, 11:08:46 GMT
Last modified: 25-Mar-2007, 19:49:54 GMT








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Introduction
Materials legend
Voltage sensitivity legend

3/4" Tweeters
1" Tweeters
Tweeters larger than 1"
Midrange domes
Midrange cones
 Mid/bass smaller than 6.5"
Mid/bass 6.5" and larger
Woofers smaller than 10"
Woofers smaller than 12"
Woofers smaller than 15"
Woofers 15" and larger



Recommended drivers summary:

The following tables summarize the drivers recommended above. Prices are approximate and, as always, subject to change. Prices were obtained from various distributors and may not represent the lowest possible prices. Only the most basic technical parameters are included for comparison purposes.

Notes:

  1. To conserve columnar space, "V-T" means Versa-Tronics, "S-S" means Scan-Speak, "BG" means Bohlender Graebener, "TAD" means TAD-Pioneer, "SA" means Stage Accompany, and "MS" means Martin Sound.

  2. Where applicable, prices reflect discounts available to DIYspeakers list members.

  3. "§" in the left column denotes a magnetically shielded unit suitable for home theater applications.

  4. "†" in the left column means that a magnetically shielded version of this driver is available.

  5. "‡" in the left column indicates a driver which, although not advertised as being magnetically shielded, has very little stray magnetic field and which may therefore be used in most applications calling for a shielded driver.

  6. "dome*" Denotes an inverted dome.

  7. "N.A." Manufacturer does not specify and no 3rd party measurement data is available.

  8. In comparing the Xmax specs, be sure to go back and reread note #4 in the first part of the "Driver guidelines - Mid/Bass drivers" in Section 2! Since I would otherwise run out of columnar space, values of Xmax which can be confirmed as true +/- values are quoted using a period as a decimal point (e.g. 11.2). Where the Xmax value can only be quoted from the manufacturer's literature without verification, a comma is used as the decimal point (e.g. 11,2).


Materials legend (sorted alphabetically):

Material Description
Aluminum Aluminum.
AlMag Aluminum/Magnesium alloy (Seas proprietary).
C.paper Carbon fiber reinforced paper.
Carbon Woven carbon fiber.
CarbonPP Carbon fiber reinforced polypropylene.
CCAM Audiomobile proprietary Composite Ceramic Alloy Matrix.
Ceramic Aluminum trioxide ceramic.
CeraComp Ceramic composite.
Copoly Unspecified copolymer.
CSX Peerless proprietary sandwich.
Diamond Single crystal diamond (Accuton proprietary).
DPC Damped polymer composite (Morel proprietary).
F.glass Woven fiberglass.
Fabric Treated woven unspecified textile.
FCX Flat structural foam (Earthquake proprietary).
Foam Expanded foam - an industrial plastics technology where foam is allowed to expand between polished molds, yielding a hard outer skin over a foam interior.
FW Focal proprietary "W" sandwich (see Appendix B).
HDA HD-Aerogel, a composite of carbon fiber and Kevlar reinforced acrylic.(Audax proprietary).
Hexacone A sandwich of two layers of woven Kevlar over an inner layer of honeycomb Nomex. (Eton proprietary).
IMQ2 Injection molded PP/graphite/quartz composite. (Infinity Proprietary).
K.paper Kevlar reinforced paper.
KC.paper Butyl doped Kevlar/carbon/paper composite.
Neoglass Polymer with glass microsphere surface treatment. (Focal proprietary).
Magnesium Magnesium.
P.kevlar Polykevlar, a sandwich of two layers of woven Kevlar over an inner layer using glass microspheres in a resin matrix. (Focal proprietary).
Paper Coated, impregnated, laminated or reinforced paper.
Piezo Piezoelectric.
Poly Unspecified polymer.
Polyglass Paper with glass microsphere surface treatment. (Focal proprietary).
Polymide Polymide plastic.
PP Mineral-filled polypropylene.
PPI PPI PowerClass proprietary flat Nomex/carbon fiber honeycomb.
Sandwich Multi-layer sandwich of unspecified materials.
Silk Treated woven silk.
S.paper Slitted paper (Scan-Speak proprietary).
Tioxid Titanium with oxide coating. (Focal proprietary)
Titanium Titanium.
TPX Special polymer (Audax proprietary).
Vantex Vantex (see Appendix B).
XPP PP/TPX alloy (Seas proprietary).


Driver voltage sensitivity legend:

Sensitivity in dB/2.83V/m Background color
< 87
87 - 89
90 - 92
> 92


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