Line Survey

Line Taper -- a Survey of the Literature

01-may-2012

Note: Both King's & Augspurger's work have shown that much larger taper ratios are desirable. 3:1, 4:1, or even larger and thatit is Vas not S_d that is the key to box size.

These are all Classic lines from when designers were just guessing, cutting & trying.

Start

Mouth

Author

Publication

(/S_d)
Comments

Atkinson 5-way Transmission-line
1.4

.6

Bailey A Non-resonant Loudspeaker Enclosure Design

>=1
a Daline

Bailey The Transmission-line Loudspeaker Enclosure
1.35

.6

V. Dickanson Loudspeaker Design Cookbook
1.25-2.5

1

Radford Studio S.90
1.66

.75
a Daline

C. Rogers The Pro 9TL Domestic Monitor
1.5

1

C. Rogers HiFi Answers
1.5

.68

R. Sanders Electrostatic Loudspeaker Design Cookbook
1.25

1
calls this a "Classic Line"

Seaford HiFi World
1.1-1.5

1

D. Weems How to Design, Build & Test Complete Speaker Systems
1.5-2

1

if you have any examples please contact me.

[ Back to T-Line Speaker Page | Info ]

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Line Taper -- a Survey of the Literature 01-may-2012 Note: Both King's & Augspurger's work have shown that much larger taper ratios are desirable. 3:1, 4:1, or even larger and thatit is Vas not S_d that is the key to box size. These are all Classic lines from when designers were just guessing, cutting & trying.
		Start	Mouth
Author	Publication	(/S_d)		Comments

Atkinson	5-way Transmission-line	1.4	.6
Bailey	A Non-resonant Loudspeaker Enclosure Design		>=1	a Daline
Bailey	The Transmission-line Loudspeaker Enclosure	1.35	.6
V. Dickanson	Loudspeaker Design Cookbook	1.25-2.5	1
Radford	Studio S.90	1.66	.75	a Daline
C. Rogers	The Pro 9TL Domestic Monitor	1.5	1
C. Rogers	HiFi Answers	1.5	.68
R. Sanders	Electrostatic Loudspeaker Design Cookbook	1.25	1	calls this a "Classic Line"
Seaford	HiFi World	1.1-1.5	1
D. Weems	How to Design, Build & Test Complete Speaker Systems	1.5-2	1

if you have any examples please contact me. [ Back to T-Line Speaker Page \| Info ] [ Mysteries \| Rules \| Classic \| Bibliography \| Taper \| Augspurger \| Foldings \| Nautilus ]