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Replacement part number ACC 004 N
Most older speakers have a weak link in their implementation.
The input terminals are often awkward to use, and only accept smaller gauge stripped wire.
Also, the internal wiring is fairly skimpy (20 or 22 AWG), and the crossover capacitors were the cheapest available at the time.
The ACC 004 N is a complete assembly I designed and developed to remedy all these issues and upgrade the following models:
It features a high quality round backplate, with a pair of gold-plated, color-coded five-way binding posts securely attached on standard 3/4" centers. These will easily accommodate up to 10 AWG wire in the hole through the posts, along with several other connection methods.
The crossover capacitor is a high-quality film type with vanishingly low deviation from the ideal impedance curve, and the internal wires are color-coded 16 AWG oxygen-free copper with connectors that match the terminals on the drivers.
Here is where a photo of a pair I just made will go soon!
7 Kelsey Road, Lee, New Hampshire 03861