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Multi-Way Conventional loudspeakers with crossovers

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Old 6th October 2013, 07:11 AM   #2371
mhouston is offline mhouston  Australia
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Ramallo: now that's different.
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Old 6th October 2013, 09:22 AM   #2372
SpinMonster is offline SpinMonster  United States
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Nice system ramallo.
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Old 8th October 2013, 03:18 AM   #2373
AllenB is offline AllenB  Australia
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Link to build thread.
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Old 8th October 2013, 09:08 AM   #2374
Bixbacon is offline Bixbacon  Australia
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A huge pipe organ setup between your two wild speakers would look awesome, love it!
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Old 9th October 2013, 03:44 PM   #2375
inguz is offline inguz  United States
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My current experiments in OB. Oak woodwork.

Bass is 2226H, top is open-backed 2470 with Radian diaphragm. Crossover is nanoDigi at 1200Hz (for now - I've not measured these yet). Passive compensation at input of the bass amp is 1k0 series then 1u5 + 330R to ground.
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Old 9th October 2013, 06:46 PM   #2376
mhouston is offline mhouston  Australia
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Inguz: why the compensation? One of the strengths of OBs is dipolar effect. With the horn being enclosed at the rear this will not happen. GeneraLy to produce good bass a large woofer is used e.g. 12". To help with the bass a large\wide baffle board is employed. What I have noticed with the OBs I have build is not always deep bass but very articulated bass.

Try your design with an open back midrange driver and tweeter or just a small mid\tweeter driver for that dipolar effect. Your build looks clean and neat.

Is that a Fender a Telecaster in the background. I had a blonde body one myself many years back.

Last edited by mhouston; 9th October 2013 at 06:48 PM.
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Old 9th October 2013, 07:52 PM   #2377
inguz is offline inguz  United States
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There's a compensation network on the woofer (analog, not digital, for headroom reasons) mostly because this started with no baffle at all, where the corner frequency is ~1kHz. Still early days for experiments. Right now it's pleasantly full bass, enough to keep me very happy with stuff like James Blake and Holden, without any of the "room boom" that I've been used to. I'll take some measurements later and post a new thread.

The horn sounds great; crisp, detailed. I had a real shock when listening with the backs off; the top end became very open and airy all through the room. There's some HF dipole effect, although not much in the mids above crossover.

The beat-up old tele doesn't get enough use. It's there for inspiration
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Old 9th October 2013, 08:43 PM   #2378
mhouston is offline mhouston  Australia
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Quote:
Originally Posted by inguz View Post
There's a compensation network on the woofer (analog, not digital, for headroom reasons) mostly because this started with no baffle at all, where the corner frequency is ~1kHz. Still early days for experiments. Right now it's pleasantly full bass, enough to keep me very happy with stuff like James Blake and Holden, without any of the "room boom" that I've been used to. I'll take some measurements later and post a new thread.

The horn sounds great; crisp, detailed. I had a real shock when listening with the backs off; the top end became very open and airy all through the room. There's some HF dipole effect, although not much in the mids above crossover.

The beat-up old tele doesn't get enough use. It's there for inspiration
A little off thread but what year is the Tele and is it a genuine USA model or Jap or Mexican?
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Old 9th October 2013, 09:03 PM   #2379
inguz is offline inguz  United States
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~2004 Mexico. Not particularly collectible
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Old 9th October 2013, 10:40 PM   #2380
Cal Weldon is offline Cal Weldon  Canada
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System Pictures & Description
Inguz, that seems like a rather large motor for an OB woof. Q seems low and the baffle small.

Must be nice if it sounds good for you though. My old ears need the 'room boom' unfortunately.
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