JBL L100 MkII Classic Speakers

JBL L100 MkII Classic Speakers


The JBL L100’s are back with a sonic makeover!

Looks stay the same but internal improvements in crossover, driver design and porting mean one of our favourites gets even better!

  • Refined drivers.
  • Upgraded woofer design for improved linearity and minimized distortion.
  • Enhanced performance in the tweeter and midrange cone through refinements.
  • Updated crossover design with dual inputs for bi-wiring Premium gold-plated binding post terminals for a secure connection to various speaker cables and connections.
  • Vintage aesthetic with walnut veneer finish and quirky Quadrex foam grilles in orange, blue, or black.


New performance package

The new performance package mainly involves improvements to the drivers. The 30cm woofer has an improved knurled fibre membrane, this also has a rubber suspension. The 12.5cm mid-range unit is mounted off-centre to allow space for the forward-firing bass port.

Additionally, the woofer has a large voice coil and a new more powerful magnet system. The cast aluminium chassis is mounted with eight screws. The tweeter has a titanium dome, with a small scattering lens at the front, which helps to provide better dispersion of higher frequencies.

The result is improved sound quality – very dynamic and full of warmth as well as ambience, with a smooth mid-range and crisp treble – a more impressive loudspeaker all round than the Mk1.

L100 Classic – A classic is reborn

If we turn back the clock to 1970, this was the year when JBL first launched their L100 speakers. A set of speakers that turned out to be just what the people at the time wanted. Today, these speakers are a big part of JBL’s history, as they are actually the best selling speakers they have ever produced. Therefore, it is not so surprising that JBL therefore chose to bring these iconic speakers back in 2018, with the launch of the L100 Classic and now in another updated version here in 2023. L100 MK2 a modern speaker technically, while the design is kept true to the originals from 1970. This means that we find a large solid cabinet covered with real walnut veneer, as well as the iconic foam fronts with Quadrex pattern in either black, blue or orange.

Cabinet design

The JBL classic L100 MkII cabinets feature, real wood, walnut veneer. There is also a pair of tilted stands available. Next, the L100 MkIIs have an adjustable crossover that is also bi-wireable. Beneath the removable grilles, there are controls for treble and mid-range adjustments to tweak the sound slightly to suit your room. The cabinets have a rigid bracing structure, to reduce resonances.

Why bass ports?

Bass ports are used to enhance the bass response of a speaker. The port is just a tube that vents the cabinet to the outside air. They can be placed either at the front or rear. However, subwoofers often have a port on the base, firing at the floor. The L100 has ports at the front so that the sound is less ‘boomy’ when the loudspeakers are placed close to a wall.

Loudspeaker crossover design

The L100 MkIIs have a new crossover design that allows for bi-wiring. This allows you to connect two speaker cables separately – one for the bass frequencies and the other for the high frequencies. The L100 MkII has gold plated terminals for the speaker connections. Alternatively, passive crossovers use a combination of inductors and capacitors to send the correct frequency range to each driver.

Additional information



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