Hey The Paulinator,
I did a little bit of playing around with various ways of wiring up some cheap drivers I picked up (from Dick Smith, I think).
getafix gave you the wiring to get a 4ohm load: 2 drivers in series wired in parallel with one driver gives a 4ohm load.
What I found is that when I was driving these 3 drivers (or in my case 6 - I had 2 sets of 3 wired in parallel for an 8ohm load) was that the 'single' driver was working twice as hard as the 2 drivers in series. This was only an observation - not measured - but it was fairly easy to hear that one was louder and the 'finger on the cone' test showed more excursion.
I just figured that with half the resistance of the series pair that more current was flowing. Anyone know if this is so? Or was I imagining it?
I did a little bit of playing around with various ways of wiring up some cheap drivers I picked up (from Dick Smith, I think).
getafix gave you the wiring to get a 4ohm load: 2 drivers in series wired in parallel with one driver gives a 4ohm load.
What I found is that when I was driving these 3 drivers (or in my case 6 - I had 2 sets of 3 wired in parallel for an 8ohm load) was that the 'single' driver was working twice as hard as the 2 drivers in series. This was only an observation - not measured - but it was fairly easy to hear that one was louder and the 'finger on the cone' test showed more excursion.
I just figured that with half the resistance of the series pair that more current was flowing. Anyone know if this is so? Or was I imagining it?
Cloth Ears said:Hey The Paulinator,
I did a little bit of playing around with various ways of wiring up some cheap drivers I picked up (from Dick Smith, I think).
getafix gave you the wiring to get a 4ohm load: 2 drivers in series wired in parallel with one driver gives a 4ohm load.
What I found is that when I was driving these 3 drivers (or in my case 6 - I had 2 sets of 3 wired in parallel for an 8ohm load) was that the 'single' driver was working twice as hard as the 2 drivers in series. This was only an observation - not measured - but it was fairly easy to hear that one was louder and the 'finger on the cone' test showed more excursion.
I just figured that with half the resistance of the series pair that more current was flowing. Anyone know if this is so? Or was I imagining it?
Ermm.................
Not quite, the single driver is working 4 times
as hard as each driver that is wired in series.
For a set of six 6 ohm drivers, 6-6||6-6||6-6,
three sets of two series in parallel for 4 ohms.
For three 6 ohm drivers the best choice is adding
another driver and wiring series / parallel 6ohms,
or just use two for 3ohms.
sreten.
sreten said:
For three 6 ohm drivers the best choice is adding
another driver and wiring series / parallel 6ohms,
or just use two for 3ohms.
sreten.
Or a favorite sreten style answer.....
Wire 2 in parallel for 3-ohms and use the 3rd for a .33 so you can correct for some BS.
azira said:
Or a favorite sreten style answer.....
Wire 2 in parallel for 3-ohms and use the 3rd for a .33 so you can correct for some BS.
Yes, but that will give you 2 ohms in the bass, 3 ohm midrange.
The two parallel 6 ohms could be wired as a 0.5 way for BSC.
This would be 3 ohm in the bass, 6 ohm in the midrange.
For three drivers :
The same can be achieved by using two drivers for bass and crossing
over to the other driver for midrange at ~ the baffle step frequency.
The 0.33 way would give 3.5 dB of BSC and be presumably MTMM.
sreten.
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