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Old 17th November 2009, 04:48 PM   #1
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Default Sachiko Builld Thread

Hi all,
I got convinced and switched from building Gchangs to Sachikos as my first fullrange speakers.
I have been working on them for three days now. Just getting the plywood cut took me the better part of two days. i am working with just a circular saw so it was slow work. i think i've managed to get my cuts pretty accurate though.
Managed to glue up most of one speaker today (will take photographs tomorrow and post) and am quite excited. i do have a few questions though:
The FE206E datasheet specifies a 185mm cutout for the driver. is this what most people go with? i don't have the drivers with me just yet and don't want to wait to make the cutout.
I have also been wondering about where to put the binding posts. i think the Sachiko is a tough design for internal wire routing; i am thinking of avoiding binding posts that come with a plate and just using two separate posts just below the deflector wedge. is this a good place? i would like some advice on this. where would it interfere least with the horn?

A question for Indian Diyers: Where can i get good quality binding posts in New Delhi? I am based in Bombay and am used to just popping across to Lamington Rd. for everything i need. Doing this build in Delhi and feeling quite lost.

will post again with tomorrow's progress

Cheers,
Mymindinside
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Old 17th November 2009, 05:16 PM   #2
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I have a set of FE206 downstairs that i can measure for the cutout.

If you just use posts make sure they are somewhere you can get at them after you build the box.

dave
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Old 17th November 2009, 05:37 PM   #3
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Hi Dave,
Thanks, the cutout size measured from an actual driver would be really helpful.
Yes, that's what i was thinking about the posts. one place i had thought of was about 2 feet off the ground so that they are hidden from view by the front baffle but accessible by just bending down and reaching into the lower mouth.

what do you think..

mymindinside
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Old 17th November 2009, 05:42 PM   #4
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That is where i'd put them. It also leaves the possibility of a route that lets you replace the speaker wire at a later date.

dave
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Old 17th November 2009, 05:44 PM   #5
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Thanks Dave,
So thats that. Now i just need to find some binding posts in delhi..Any Indian Diyers reading this?

mymindinside
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Old 18th November 2009, 12:59 PM   #6
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I found the binding posts!. they are quite similar to the parts express ones posted in misterpig's sachiko binding post thread.
Dave, i read that you use a single wire (each for +ve and -ve) run of cat5e cable as your speaker cable for fullrangers. do you reccomend this as the internal wiring as well?. i think you said they were configured as a spaced pair but i'm not sure. could you clear this up as well
thanks for all the help

mymindinside,
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Old 18th November 2009, 02:09 PM   #7
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So finally took some photos. Dont have any of the actual build but have attached a few of the cabinets all glued up with one side open..tomorrow i will cut out the driver holes, and the holes for the binding posts..will only get the drivers by next week so cant seal them up till then.

cheers
mymindinside
Attached Images
File Type: jpg Sachiko Build Photos - 01.jpg (44.6 KB, 1729 views)
File Type: jpg Sachiko Build Photos - 03.jpg (33.0 KB, 1684 views)
File Type: jpg Sachiko Build Photos - 04.jpg (27.8 KB, 1663 views)
File Type: jpg Sachiko Build Photos - 06.jpg (33.6 KB, 1641 views)
File Type: jpg Sachiko Build Photos - 11.jpg (30.4 KB, 1641 views)
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Old 18th November 2009, 02:15 PM   #8
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Nice work there!
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Old 18th November 2009, 02:32 PM   #9
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Great job and you got to this stage pretty quick too!
Did you leave out the "holey brace" part of the A pieces
by choice?

I can check the driver cutout dia and post tomorrow. But
isn't it going to be harder to cut this, now that you have it
all glued up? (unless you have access to a router).

Where are you located in India?

Last edited by quadtech; 18th November 2009 at 02:52 PM.
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Old 18th November 2009, 03:54 PM   #10
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Hey thanks quadtech,

i used fevicol to glue the enclosure together and nails to hold it in place. not the most elegant i know but i have no tools and no experience in carpentry. how did you do your sachikos? also, what did you use to caulk the seams? i am using soft cut putty (duco putty) on the seams, and will also use it as a filler before i duco paint the entire enclosure.
yes i know it'll be tougher to do the driver cutout now but in my enthusiasm i started glueing up before thinking the whole thing through. i dont have access to a router and will have to figure out how to do the cutout. i have a circular saw, a handsaw and a drill. i will make the holey brace with 2 additional pieces glued to the 'A' piece. didn't have the drivers with me so i didn't want to guesstimate the size of the brace. i live in mumbai, but am doing this build in delhi.

cheers
mymindinside
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