Stretching the stand-mount definition to its outer limits, the massive 4312G is a direct descendant of the seventies 4310 and 4311 monitors, harking back to when big speakers like Linn’s Isobarik and Yamaha’s NS-1000M sat on low stands.
A large internal cabinet volume and
bass reflex loading makes for high
efficiency – in this case 90dB. Its large
300 mm paper coned bass driver shifts
large amounts of air with more ease
than a smaller driver, and the three-way
design sports a 125 mm polymer
coated, pulp coned mid-range driver
and 25 mm magnesium/aluminium
dome tweeter.
This comes in a mirror
image configuration, so one speaker
has the tweeter to the left of the mid
driver and the other to the right.
Sound quality
The 4312G performs like it looks –
big, impressive and bold, but rough
around the edges. Love the sound,
it’s just that it’s very distinctive and
more music dependent than any other
design here.
Open Your Heart is wonderfully
dramatic, again with a boisterous
energy and an expansive sound-stage
from left to right – although the JBL
sounds a tad too two dimensional,
with everything pushed right up into
the lap of the listener. Overall then,
this big banger is a memorable listen,
but won’t be to everyone’s liking ●
- Low Frequency Transducer: 12-inch (300mm) pure pulp cone woofer (JW3000SW-8)
- Mid Frequency Transducer: 5-inch (125mm) polymer-coated pure pulp cone (JM125PC-8)
- High Frequency Transducer: 1-inch (25mm) Magnesium/Aluminum alloy dome tweeter with wave-guide (054ALMg-1)
- Recommended Amplifier Power: 10-200 Watts RMS
- Frequency Response (-6dB): 44Hz - 40kHz
- Sensitivity (2.83V@1m): 90dB
- Nominal Impedance: 6 Ohm
- Crossover Frequencies: 640Hz, 5kHz
- Enclosure Type: Bass-reflex via front-firing port
- Inputs: Five-way Binding Posts
- Finishes: Black Wood-grain with Black Cloth Grille
- Dimensions (H x W x D): 23.5 x 14.25 x 12 inches (597 x 362 x 305mm)
- Weight: 52.4 lbs (23.8kg) each
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