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W8-2145 ?
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Old 3rd December 2019, 08:48 PM   #21
norman bates is offline norman bates  United States
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I sit to the right of the pink mug on the right.

My head is 8' away.

Speaker hole is 2.5" (little more) from the top of the box.
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Last edited by norman bates; 3rd December 2019 at 09:12 PM. Reason: High
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Old 15th April 2020, 03:24 AM   #22
norman bates is offline norman bates  United States
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Alright, I’m going at this again.
I’m and so is my wife, tired of trying to watch movies when she is asleep. The latest Superman animated “red son” (excellent if you are into that) was hard to get dialog (Superman is Russian) at low volumes With the 12” 2-ways.

Bear with me as I only compared 8” to 2-ways today for maybe 5 minutes b4 going to work.

At 7’, 1 pair of ears dispersion, and it needed 3 blocks under front edge.

Easier to understand than My 12” 2 ways on “blade runner 2049” where Harrison Ford is talking to Ryan gosling after they fought. And The voice isn’t a hazy blob 6’ wide. But remember I sit closer than the speakers are wide, I’ll measure tonight. The side bounces are null because the left speaker has a couch next to it blocking wall bounce, and the right speaker has a wall over 12’ away.

So I will keep posting if anyone wants.

I had to increase the loudness knob (trickier than a button) and the bass knob didn’t help much (set near 50hz). I may run a separate receiver just for the tang band (Late night movies) and another for the jbls (music and bass), so I don’t keep playing with the tone controls.

So need to play more then maybe add baffle step or use it to get the bass up at the right frequencies.

Norman
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Old 15th April 2020, 05:27 AM   #23
perceval is offline perceval  Taiwan
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One option to consider...

If you really want to enjoy the full effect of the audio while you wife is asleep and you don't want to wake her up, consider listening (watching) with a nice pair of headphones.

Either wireless or the wired kind.
There are some really nice offerings out there.

And keep your 12" setup for when you are watching movies together.
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Old 15th April 2020, 05:54 AM   #24
norman bates is offline norman bates  United States
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True.
I have some hd555.
But can’t get used to the “voice is in my head”.

On a plus note to the W8-2145, I immediately noticed that the video was lagging the audio.

Steve Gutenberg mentioned that we need multiple speakers because they all excel at different things.
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Old 15th April 2020, 08:01 AM   #25
perceval is offline perceval  Taiwan
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There are plugins to simulate speakers in the room, instead of music drilled left and right, while wearing headphones.

Like these:
headphone speaker simulator
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Old 15th April 2020, 06:24 PM   #26
norman bates is offline norman bates  United States
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Yea, I'm old.

I like blu ray player straight into 30 year old receivers.

No plug ins.
No dsp.

Didn't mind my onkyo 5.1 receiver, but my nakamichi sounds better (no global feedback).

Realized that i didn't do a fair comparison of 12" 2-ways vs single 8" full range.
8" needs bass boost to me.
But bass wise, it is unfair to compare 1 x 8" vs 2 x 12".
And point source under tv does a better job anchoring voice to tv.
So, it is an apples to oranges comparison.

The 2145 actually has a bit of climb, that to my ears needs bass boost to balance it (not even mentioning baffle step).

I remember the w8-1772 with its climbing response needed 10db or so worked into baffle step (bob brines). Can't remember width of mltl.


I'll post a freq response measured from overseas later tonight.

Don't get me wrong, it is excellent and 1/2 the cost of 1808 (too hot 1-4khz) or 1772 (climbing response).
I just need to get it dialed in.

For an 8" full range, $200 plus you make boxes, price of entry is very reasonable.

I'd love to see others build some mltl, ported, whatever and dial in some passive baffle step circuits for us.
Should be fairly easy due to its flattish z-curve.

Grr, full range drivers have sucked me back into them.


Norman

Last edited by norman bates; 15th April 2020 at 06:46 PM.
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Old 15th April 2020, 09:31 PM   #27
norman bates is offline norman bates  United States
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from cobra 2 build thread overseas
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Old 16th April 2020, 02:31 AM   #28
norman bates is offline norman bates  United States
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Djk would do a crossover board sitting in the sweet spot in the room for a truly custom speaker.

I think I’ll order a few inductors and a l-pad.
Mount them to a board with an l-pad in parallel.

Run wires from receiver to where I sit ( the board) then run wires back to the speaker.

It can be useful down the road to do baffle step for other full range driver setups.

My receivers 50hz bass knob is dialed in perfectly for my jbl’s (tunes and f9 at 50hz).
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