Rockford Fosgate ND8-XFM, ND4-XFM owner manual Introduction, Design and Features

INTRODUCTION

This manual provides information on the features and installation of the ND4 and ND8 Neodymium Tweeters and high pass crossovers. We suggest you save this manual for future reference.

We strongly recommend you have your Authorized Rockford Fosgate Dealer install the ND4/ND8 Neody- mium tweeters. If you do choose to install the tweeters yourself, please be sure to read the entire manual before beginning.

DESIGN AND FEATURES

TX-184N /

188N High

Pass

Crossover

Input and

Output

Connectors

Mounting the TX-184N / 188N

This section describes the design and features of each component in the ND4-XFM/ND8-XFM system.

The TX-184N/TX-188N High Pass Crossover is de- signed to enhance the performance capabilities of the ND4 and ND8 Neodymium Tweeters. This compact crossover is designed to conform to the following crite- ria:

•High pass crossover network centered at 4kHz.

•Straight forward 3rd order (18dB/octave) filter with a Butterworth transfer function

•Small size, accomplished by inductors wound on a high temperature nylon bobbin with an air core.

Mounting the TX-184N and TX-188N is accomplished with the use of .110" & .205" Faston connectors. These connectors are gold-plated to eliminate the possibility of corrosion that can cause signal deterioration.

The TX-184N/188N is mounted to relatively flat sur- faces with sheetmetal screws inserted into the mount-

2