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Old 7th April 2009, 12:28 AM   #1591
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Nice to see the latest interesting Feastrex updates from everyone. Shegeri, I am intesterested in your b version box for D5nf, is it actually possible to build it without going crazy? I do not like puzzles I enjoyed reading the papers.

bven, Those who have heard the combination have said that the F5 is delicious on the Feastrex drivers. It is not difficult to build with a PCB, checkout the group buy in Pass forum. Also new ones are on sale now at renohifi.com 2200usd

I am working slowly on a simple spherical sealed box for D5nf.

The OB looks awesome Phil!
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Old 7th April 2009, 01:15 AM   #1592
bvan is offline bvan  Denmark
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Good to hear about the F5. I'm still undecided though, the F5 looks like the safest bet, but the current source ones might in fact offer more flexibility for tailoring the FR.

How bout theses cabs for $350/pr, might fit the D5nf?

http://www.glow-audio.com/voiceone.html
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Old 7th April 2009, 05:26 AM   #1593
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Quote:
Originally posted by Richidoo
Nice to see the latest interesting Feastrex updates from everyone. Shegeri, I am intesterested in your b version box for D5nf, is it actually possible to build it without going crazy? I do not like puzzles I enjoyed reading the papers.


Hi Rich,

Email me... I just received the exploded drawings of the TR130b from Mr Shigeru Suzuki....

I'll send you the drawings to you.
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Old 7th April 2009, 05:30 AM   #1594
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Quote:
Originally posted by bvan
How bout theses cabs for $350/pr, might fit the D5nf?

glow-audio voiceone
Those are a 3" driver... way too small

dave
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Old 7th April 2009, 06:08 AM   #1595
bvan is offline bvan  Denmark
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Ceramic plant pots might be the easiest and cheapest way to experiment..
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Old 7th April 2009, 02:37 PM   #1596
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Quote:
Originally posted by bvan
Good to hear about the F5. I'm still undecided though, the F5 looks like the safest bet.
Personally, I find the F3 to be the most complementary to my
D9nf's.

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Old 7th April 2009, 03:51 PM   #1597
dpaws is offline dpaws  United Kingdom
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Originally posted by Nelson Pass


Personally, I find the F3 to be the most complementary to my
D9nf's.

Would be wonderful to make a valve version but I guess valves just don't work that way?
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Old 7th April 2009, 06:45 PM   #1598
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Quote:
Originally posted by dpaws
Would be wonderful to make a valve version but I guess valves just don't work that way?
The whole point of the F3 was to emulate a triode with a power JFET
operating in the "linear" triode-like region. A fine SET would be the
go-to choice, and by "fine" I mean something with .1% thd or less
at 1 watt.

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Old 8th April 2009, 02:39 PM   #1599
bvan is offline bvan  Denmark
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Thanks for your opinion Nelson.

I dont want to take the thread off topic, but I've just today picked up a Prometheus TVC, and wondering if this changes things, input impedance of the the F3 and F5 being 10 and 100 ohm respectively? I know naught about how such things work but have a feeling the F3 might not have enough gain with the D5nf, even though I dont ever crank it. Cheers

B.
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Old 8th April 2009, 06:23 PM   #1600
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It's my experience that you will have enough gain. If 10K input
impedance is an issue for you, then don't choose an F3.

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