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BMS 4590-8

2" Coaxial Driver

  • Power handling: 150 W RMS
  • 8 Ohm
  • Diameter: 180 mm
  • Depth: 129 mm
  • Weight: 9.6 kg
  • 4 x M6
  • Pitch circle diameter 101.6mm
  • Extremely high quality mid-high driver from 500 Hz - innovative, high tech
2 customer ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
5 / 5.0
  • quality
2 written ratings

Great sounding and very capable driver

janho, 30.08.2017
There's only one thing I dislike about this driver and I knew it before I bought it: it is heavy! 9kg to be exact.
It is a lot cheaper then the neodymium version though which weighs only 2.3kg.

I bought it to test it out because there is so much good things written about these coaxial BMS's. I've had good experience with the 1" BMS drivers before.

All the good things written about the 4590 are true. I've got it paired up with a big old 60x40 RCF horn and 4x 15" RCF low-mids (15-544k) these four 15" just about keep up with the 4590, which says a lot about the power and efficiency of the 4590.

The best of all: it does so while sounding great.
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Super sound in combination with 2 RCF LF 18G 401

The BMS 4590-8 driver loaded with BMS 2236 horn harmonizes excellently
With my 2 self-built 18 "150 liter bass reflex boxes, equipped with
RCF LF 18G 401 drivers. (per page)
The bassboxes are trimmed to 42 Hz (E side bass guitar) and the reflex tunnel
I have turned on the set up against each other so that a reinforcement
Of the bass.
The optimum separation frequency has a separation frequency according to analyzer and hearing test
Of 600 Hz. There is practically nothing with a 1/3 octave equalizer
And the horn driver will be in the worst case just with
20 watts, amazing in relation to 800 watts for the 2 woofers with 102 dB efficiency up to 42 Hz.
The sound is super good and extremely transparent.
Many sound parts are pleasantly felt, even with better ones
15 "Fulrange compact boxes with subwoofer in the middle range completely.
It is not advisable to iron the slight 7 KHz emphasis completely, because something from the axis disappears this presence.
One hears correctly that this driver also very popular with hi end HiFi enthusiasts
Due to the fact that the combination of the
Lowbass kick after, but the overall result even at 200 meters away still good, extremely clear and still brings it to about 85 dB.
(The 18 "also bundle at the transfer frequency)
The BMS driver certainly fits much better to bass horns, but unfortunately such a system in the stack already have at least 4 square meters of radiation surface, otherwise the Bumbs comes first with Equalisier and then one is again with the efficiency of direct beams in the low bass.
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385 €
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Offers include 24% Greek VAT and are valid as long as stocks last. Shipping costs to Greece are 20 EUR, free shipping on orders above 298 EUR. Please click here for international Shipping rates. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
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