Specifications

TABLE OF CONTENTS

Installation of the LFT-8b ........................................................... 5

Unpacking the Speakers ............................................................. 5

Speaker Assembly ...................................................................... 6

Positioning the Speakers in the Listening Room ........................ 7

Imaging ....................................................................................... 7

The Tweeter Level Control ........................................................ 8

Amplifier Requirements ............................................................. 8

Bi-Wiring and Bi-Amping .......................................................... 9

Bi-Amping .................................................................................. 9

Technical Description ................................................................. 10

Electrostatic Loudspeakers ....................................................... 11

Planar Magnetic Loudspeakers ................................................ 12

Ribbon Loudspeakers ............................................................... 13

Evaluating Earlier Approaches ................................................. 14

Electrostatics ............................................................................ 14

Planar Magnetics ...................................................................... 14

Ribbons ..................................................................................... 14

The Linear Field Transducer .................................................... 16

Diaphragm Construction .......................................................... 16

The Magnet/Frame Structure .................................................... 16

Panel Frequencies ..................................................................... 18

General Specifications ................................................................ 19

LFT-8b Impedance Curves ........................................................ 20

LFT-8b Impedance Data ............................................................ 21

Crossover Information ............................................................... 22

Square Wave Performance ........................................................ 23

Frequency Response Curve ....................................................... 24

LFT-8b Panel Specifications ...................................................... 25

Mid Range Panel Design ............................................................ 26

LFT-8b Woofer Specifications .................................................. 27

Additional Woofer Specifications ............................................. 28

Woofer Design ............................................................................. 29