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Multi-Way Conventional loudspeakers with crossovers

6.5" 2-way under 0
6.5" 2-way under 0
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Old 13th July 2019, 10:05 PM   #1
BradH is online now BradH
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Default 6.5" 2-way under $150

Hello,

First post - thank you for this site,

I'm looking to build 2 way stand mount stereo speakers. They will be driven by a class D amp from China. Subwoofer is not in the budget so 6.5" drivers or larger for adequate bass. The more bass the better if possible.

Budget is $150 CAD (about $120 USD) for drivers and crossovers. Bare bones crossover components are fine. I have the lumber. I'm not great at soldering and don't have measuring equipment. I am not bad with wood working though. FWIW

Would like something like Jeff Bagby Soprano but with larger woofers. Would like to use paper drivers if possible.

Listen to mostly rock, prog rock, ambient, house

Thanks
Brad
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Old 13th July 2019, 10:26 PM   #2
BradH is online now BradH
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I haven't picked out a class D amp yet. So if there's one that works well with suggested speaker feel free to recommend.
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Old 13th July 2019, 11:57 PM   #3
ernperkins is offline ernperkins  United States
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Look at the Classix II Bare Bones kit by Paul Carmody (slightly over your budget) and the Caritas Full Kit (well within your budget) by Jeff Bagby, both available at MENISCUS.
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Old 14th July 2019, 12:34 AM   #4
LineSource is offline LineSource  United States
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The 6.5" SB_Acoustics SB17NRXC35-8 is a popular paper cone midbass, and there are a few designs with the SB29RDC-4 1.1" dimple dome tweeter using a 1650-1800Hz crossover. Attached one example.

A 0.8cuft cabinet can reach -F3 ~ 42Hz. $130 - $150 for drivers and crossover parts. Selecting lower cost iron core woofer inductors and standard grade capacitors gets close to your budget. More info available on these drivers in different cabinet builds... like stepped baffle for time alignment and fewer parts LR2/LR2 crossover for lower total cost. Get latest prices at PartsExpress and Madisound(drivers)
Attached Images
File Type: jpg SB17NRX_8 SB29_Fe .jpg (179.3 KB, 283 views)
File Type: jpg Beveled Cabinet.jpg (102.6 KB, 283 views)
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Old 14th July 2019, 03:27 AM   #5
Gallen1119 is offline Gallen1119  United States
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I built Paul Carmody’s Overnight Sensations and I really like them. I later added his Voxel sub for a little more bass. The OS alone sound pretty good and they are a proven design. I think you can get whole kit, including flat pack enclosure for about $140 US. Bare bones I sure is available cheaper. The crossover was very straight forward with point to point solders.

I was running them with a class D until I built Nelson Pass’s ACA which takes them to a new level entirely.

Edit: Just checked and meniscus audio has bare bone for $91 US.

Last edited by Gallen1119; 14th July 2019 at 03:31 AM.
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Old 14th July 2019, 04:29 AM   #6
Bill poster is offline Bill poster  Thailand
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Consider 3e 3255 class d module, if you can find one.

Madisound have the SB 6" CAC on sale
A very good driver!
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Old 14th July 2019, 03:38 PM   #7
ernperkins is offline ernperkins  United States
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Quote:
Originally Posted by LineSource View Post
The 6.5" SB_Acoustics SB17NRXC35-8 is a popular paper cone midbass, and there are a few designs with the SB29RDC-4 1.1" dimple dome tweeter using a 1650-1800Hz crossover. Attached one example.

A 0.8cuft cabinet can reach -F3 ~ 42Hz. $130 - $150 for drivers and crossover parts. Selecting lower cost iron core woofer inductors and standard grade capacitors gets close to your budget. More info available on these drivers in different cabinet builds... like stepped baffle for time alignment and fewer parts LR2/LR2 crossover for lower total cost. Get latest prices at PartsExpress and Madisound(drivers)
Great drivers, but I took his budget to be for the pair of speakers, not for each speaker.
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Old 14th July 2019, 03:51 PM   #8
BradH is online now BradH
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Thanks for the suggestions.

The SB acoustics stuff with the sb17 looks really nice, but it comes in about double the budget unfortunately.

Not a huge fan of the look of the Overnight Sensations, thanks though.

I'm going to go with the Classix II because I can get all the parts from Solen here in Canada and it comes in right on budget. I'll probably need some help a little later with assembling the crossover.

Question - Could I easily replace the BC25TG1504 with a BC25SC0604? Would it make much a difference? Heard nothing but great things about the latter one.

Thanks
Brad
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Old 15th July 2019, 03:08 AM   #9
ernperkins is offline ernperkins  United States
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I personally wouldn't unless I was willing to remeasure and modify the crossover for the tweeter differences. The magic is in the designer's crossover and it was designed for a specific pair of drivers. You might get lucky because these tweeters are similar, but they aren't identical. And you would always wonder if it would have sounded better if you had built it as the designer had intended.
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Old 15th July 2019, 05:32 PM   #10
BradH is online now BradH
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Thank you, I'll leave the drivers as they are.

In terms of the cabinet. For aesthetic purposes I'd like to change it a bit, have a bit more space above the tweeter for a big roundover. Will that be a problem?

Thanks
Brad
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