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EX mod appropriate for this speaker? Steve? (Read 2152 times)
topforty
Ex Member



EX mod appropriate for this speaker? Steve?
01/31/06 at 04:15:15
 
I was just reading the white paper on the EX mod and noticed the following sentence:

"...So, if you've read about the EX mod's on forums and own conventional 8 ohm speakers with crossovers, the mod is not for you because your speakers most likely have dips in the impedance that fall around 4 ohms."

Here's a link to the schematic of the speakers I'm using for the time being. (EPI 100)

http://www.humanspeakers.com/e/epi100.htm

Thanks in advance.
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chrisby
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #1 - 01/31/06 at 18:25:46
 
If you really want to hear what a Zen can do, your money would probably be better spent upgrading your speakers, particularly if you can DIY some cabinets.

The EPI was a great bang for buck in 1973, but I daresay hopelessly outclassed by any number of current DIY or HE designs, including Fostex, Adire HE10.1, Hawthorne Audio, etc.
.
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teepeeworks
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #2 - 01/31/06 at 18:57:59
 
TopForty,

I looked at the brochure and your speakers are rated at 4 ohm nominal, not the best for an EX tranny considering they will probably drop below that.

OTOH, I believe your choice of the EX mod is a good one. I am sold on single driver and your choice of the FE126E(The Horns), FE167E(Decware Corner horns, Bob Brines) or the FE206E(HDT, bass reflex) will all work very well with your amp and most other SET amps should you decide to change down the road.

Take care,

Corey



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topforty
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #3 - 01/31/06 at 19:20:08
 
Yah, well that is my plan for sure, I just hope i don't have to put up with junk sound for another 3 months while i raise the cabbage to upgrade the speakers.

Thanks
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Rap
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #4 - 01/31/06 at 20:21:58
 
[quote author=topforty  link=1138684516/0#3 date=1138735208]Yah, well that is my plan for sure, I just hope i don't have to put up with junk sound for another 3 months while i raise the cabbage to upgrade the speakers.

Thanks [/quote]

Well some one want´s a pair of epi´s http://wantitnow.ebay.com/EPI-100-Speaker_W0QQadidZ5852425580 u could use it to raise a few leafs Smiley
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« Last Edit: 01/31/06 at 20:22:09 by Rap »  
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Doorman
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #5 - 01/31/06 at 21:35:30
 
Not to hijack the thread,has anybody ex-modded their Zen Select and NOT had at least some hum? Just wondering, as mine does hum, but it is such a great sonic upgrade, that I can't bring myself to put the stock trannies back in.
                                                          Don
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topforty
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #6 - 01/31/06 at 22:14:14
 
I am concerned about that too Don.
I have not actually received my CS-EX yet, it is in the process of being modded by DecWare from a stock C (that i think might have needed repairs).

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selmerdave
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #7 - 02/03/06 at 22:46:46
 
Hum was completely unchanged in any way when I did my EX mod, and I don't think I'm the only one.

Dave
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Doorman
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #8 - 02/04/06 at 02:11:02
 
When you say "unchanged" Dave, do you mean no hum at all?
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selmerdave
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #9 - 02/04/06 at 03:06:02
 
Well on 100db/1w/1m speakers, hum is "detectable" at 1 ft and not at 4 ft, I seem to recall measuring it at around 1.5 mV.  As far as I'm concerned it's dead silent.

Dave
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Doorman
Ex Member



Re: EX mod appropriate for this speaker? Steve?
Reply #10 - 02/04/06 at 16:08:56
 
Dave: Yes, I'd be very happy with similar results.  (My drivers are rated @93db.) The hum my amp produces is very noticeable at the listening position, about 10' away. It's fine with music playing, but with the stock trannies, it was silent.
                                                          Don





 
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« Last Edit: 02/04/06 at 16:11:13 by Doorman »  
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