Replacement Pole Cups for BASSBOSS Subs and Tops

This article describes where you can find replacement pole cups for your BASSBOSS loudspeaker. These include M20 (threaded) mounts, as well as cups that accept the the K&M ring lock adapters, which is what we recommend. Note that it is important to determine which series of BASSBOSS loudspeaker you have, as the pole cup socket diameter has changed between MK3 and pre-MK3 series loudspeakers.

MK3 Pole Cup Replacements

If you have a MK3-series BASSBOSS Loudspeaker (See here to find out which one you have), we recommend the following pole cups from K&M, one for a 1 3/8" or ring lock pole, and one for a M20 threaded pole:

If you would to purchase a pole cup that accepts a 1 3/8" pole or ring lock adapter (recommended), we recommend the K&M 19665-000-55:

If you would to purchase a pole cup that accepts an M20 threaded pole, we recommend the K&M 24116-000-55:

Pre-MK3 Pole Cup Replacements

If you have a pre-MK3 series BASSBOSS Loudspeaker (See here to find out which one you have), the first thing is to determine whether your loudspeaker/current pole cup has three or four bolt holes for the cup. This will determine which replacement you should purchase.

Three Hole Replacements:

If your pre-MK3 series speaker has a pole cup/bolt hole pattern with 3 holes, there are several pole cup options.

If you would like to purchase the pole cup that accepts a 1 3/8" pole or ring lock adapter (recommended), we recommend the Penn-Elcom M1557:

If you would like to purchase the pole cup that accepts an M20 threaded pole, we recommend the Penn-Elcom M1562:

Penn-Elcom also makes a hybrid pole cup that accepts either an M20 threaded pole or a 1 3/8" insert. Note that not all M20 threaded poles will necessarily fit in the hole, and it is unknown if this is compatible with the ring lock adapters. The hybrid adapter is the Penn-Elcom M1557/M20:

Four Hole Replacements:

If your Pre-MK3 series speaker has a pole cup/bolt hole pattern with 4 holes, there are several two pole cup options: one for a 1 3/8" or ring lock pole, and one for a M20 threaded pole.

If you would like to purchase the pole cup that accepts a 1 3/8" pole or ring lock adapter (recommended), we recommend the Penn-Elcom M1553/60: