If you have an original N7000 but the schematic is smudged or missing, you can trace it yourself. Here is the physical layout JBL used:

Before we open the schematic, we must understand the hardware. The JBL N7000 is a designed specifically to pair JBL’s 375 and 376 compression drivers (or the LE85) with the iconic 075 “bullet” tweeter (later known as the 2402).

The N7000 circuit is relatively simple, consisting of two "cells" designed to provide a 12 dB per octave rolloff on each side of the crossover point. Typically set at 7,000 Hz .

, the internal layout is straightforward and consists of four main electronic components: 2 Capacitors: