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Multi-Way Conventional loudspeakers with crossovers

Volt BM165 6.5 inch midwoofer
Volt BM165 6.5 inch midwoofer
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Old 9th February 2018, 12:26 PM   #1
cs is offline cs  United Kingdom
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Default Volt BM165 6.5 inch midwoofer

Anyone tried the new Volt BM165 6.5 inch midwoofer ?
Volt Loudspeakers | BM165.1 (6.5″)

Looks pretty impressive.
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Old 9th February 2018, 01:34 PM   #2
Bill poster is offline Bill poster  Thailand
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The Sd is more a 7" than 6.5.
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Old 10th February 2018, 02:51 AM   #3
TMM is offline TMM  Australia
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Le looks very high so I suspect that cone breakup from 2-3kHz is quite a bit more severe than the FR plot makes it seem to appear. Probably because of that it should only be used as the bottom of a 3-way to avoid non-linear distortion components falling on the breakup around 2-3kHz.
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Old 10th February 2018, 12:20 PM   #4
cs is offline cs  United Kingdom
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Le looks very high so I suspect that cone breakup from 2-3kHz is quite a bit more severe than the FR plot makes it seem to appear.
I don't see the connection.

Take SB woofers - they have very low inductance, but atrociously bad top-end break-up. The 8 inch BM series of Volt woofers are widely used in 2-way designs too.
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Old 10th February 2018, 12:59 PM   #5
TBTL is offline TBTL  Germany
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High Le = drooping response, so the resonance peaks related to breakup are reduced in level. So they appear to be lower in amplitude and therefore less severe.
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Old 10th February 2018, 01:26 PM   #6
UltraFidelity is offline UltraFidelity  United States
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They look like the business and supposedly the whole line is solid. I just got an account with them as an OEM/distributor and will be placing my first order once I finalize quantities and models. Picking up the 6.5s and the 3in domes in the first order for sure and once I get them I can test them out and report back. I would ask if you would like a pair but you have local distributors that can assist. We do not have any sources in the US and conversion from USD to Sterling/Pound plus shipping and then shipping overseas doesn't make this model competitive for anything other than local (US) sales.
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Old 10th February 2018, 01:28 PM   #7
cs is offline cs  United Kingdom
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No evidence of that on the response plot. Fairly flat up to 2kHz, rises a few dB, then rolls off smoothly above 3kHz. Pretty classic behaviour for a poly-cone woofer.
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Old 10th February 2018, 01:33 PM   #8
cs is offline cs  United Kingdom
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Originally Posted by UltraFidelity View Post
They look like the business and supposedly the whole line is solid. I just got an account with them as an OEM/distributor and will be placing my first order once I finalize quantities and models. Picking up the 6.5s and the 3in domes in the first order for sure and once I get them I can test them out and report back. I would ask if you would like a pair but you have local distributors that can assist. We do not have any sources in the US and conversion from USD to Sterling/Pound plus shipping and then shipping overseas doesn't make this model competitive for anything other than local (US) sales.
I've just ordered a pair from Falcon Acoustics in the UK too, as they have a promotion on at the moment. Volt have a reputation for very good quality drivers, but they are a bit expensive. The double spider is one of their trademarks. Xmax spec is typically very conservative, given the Xmech is +/-12mm.
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Old 10th February 2018, 05:49 PM   #9
Audio Elite is offline Audio Elite  South Africa
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I have used Volt drivers extensively and are very good.
Have used the BM220.8 in an awesome 2 way monitor crossed over at 2.2k and it remains very composed even when pushed hard. When crossed over to a capable tweeter it sounds punchy and incredibly controlled.

I imagine the 6.5" will have no trouble at 2.2 - 2.5K

They are also as tough as donkey's and can handle gobs of abuse.
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Old 10th February 2018, 08:50 PM   #10
Hylle is offline Hylle  Denmark
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Audio Elite, How many liter box volume do you use, and vent size, with the BM2208 woofer? I think Volt drivers seems interesting, I would like to try them some time.
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