The L100. Arguably the most iconic loudspeaker of all time. There was a period in the 70's the L100 outsold all other speakers combined, yet it never ceases to amaze us how rare it is to find a vintage example in good condition. This is a beautiful pair – we've refreshed the cabinets, replaced the tweeter foam, installed new midrange drivers, and new binding posts. Cosmetically, the tweeter dustcaps have the tiniest dimples, but the gorgeous Lapis Lazuli grilles steal the show. Our fresh cut grilles use modern foam that will outlast your grandkids, and we finish the foam using the same techniques JBL used nearly 50 years ago. For many vintage collectors, the L100 is the holy grail. Amen.
Condition
8/10
Serial No.
202738A / 202739A
Orig. MSRP
$546
Restoration
- Driver impedance and performance tests
- Replaced Tweeter foam
- Replaced midrange drivers
- Installed new binding posts
- Touched up cabinets and grille frames
- Cut and installed new foam grilles
- Critical listening tests
- Exterior detailed
Factory Specs
Type 3-way loudspeaker, bass reflex
Internal volume 1.6 cubic feet
Power Capacity 50 watts continuous program
Nominal Impedance 8 Ω
Crossover Frequencies 1500 and 6000 Hz
Efficiency 78 dB at distance of 15', 1 watt input
Woofer Diameter 300 mm (12")
Woofer Voice Coil 76 mm (3") edgewound copper ribbon
Woofer Magnetic Assembly Weight 3,1 kg (6.75 lbs)
Woofer Flux Density 10,400 gauss
Woofer Sensitivity 42 dB
Midrange Transducer
Midrange Diameter 130 mm (5")
Midrange Voice Coil 22 mm (7/8") copper
Midrange Magnetic Assembly Weight 1,2 kg (2.75 lbs)
Midrange Flux Density 16,500 gauss
Midrange EIA Sensitivity 46 dB
Tweeter High Frequency Direct Radiator
Tweeter Diameter 36 mm (1,4 ")
Tweeter Voice Coil 16 mm (5/8") copper
Tweeter Magnetic Assembly Weight 0,7 kg (1.6 lbs)
Tweeter Flux Density 15,000 gauss
Tweeter Sensitivity 47 dB
Finish Oiled walnut
Dimensions 14.5"W x 24.5"H x 13.5"D / 360 x 600 x 350 mm
Weight 45 lbs/ea
Documentation
JBL L100 Century Owner's Manual
JBL L100 Century Schematic
JBL L100 Century Brochure
The History of JBL
JBL was founded by James Bullough Lansing (1902–1949) who was an American audio engineer and loudspeaker designer most notable for establishing two audio companies that bear his name, Altec Lansing and JBL, the latter taken from his initials.Lansing and his business partner Ken Decker started a company in 1927, in Los...
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Liner Notes
The renowned JBL 4310 studio monitors' consumer equivalent is the JBL L100 Century. JBL already had a solid reputation for producing full-size studio monitors that were quite accurate in the late 1960s. JBL was compelled to start developing the 4310 model due to the growing demand for more compact control room monitors. The specifications were for a 45l enclosure to handle high power handling, high acoustic output without distortion, and smooth frequency response over the whole audio spectrum. The 4310 studio monitors were unveiled by JBL Professional Division two years after the project was first started. Numerous well-known studios, including as Capitol, Deutsche Grammophon, EMI, London/Decca, RCA, etc., immediately adopted these speakers as their preferred option. In fact, the demand for these monitors increased to the point where many musicians and engineers began buying them. Immortalized in the famous Maxell ad campaign, Blown Away, the L100 Century is arguably the most iconic speaker of all time.
Stock No.
8199214399709
