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Frugel-Horn XL for Alpair 10.3/10p, Fostex FF165wk, more
Frugel-Horn XL for Alpair 10.3/10p, Fostex FF165wk, more
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Old 22nd April 2020, 02:52 AM   #1401
zman01 is online now zman01  Bangladesh
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Frugel-Horn XL for Alpair 10.3/10p, Fostex FF165wk, more
jdg123,

Nice collection of amps!

Your FH-XLs look good too - enjoy!
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Old 22nd April 2020, 10:19 AM   #1402
jdg123 is offline jdg123  United States
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Frugel-Horn XL for Alpair 10.3/10p, Fostex FF165wk, more
Thank you zman01 and Dave, what a great design! Iíve never received so much beautiful music for my time and money. Youíve ushered into my world an extraordinary thing! Thank you 🙏
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Old 22nd April 2020, 01:41 PM   #1403
zman01 is online now zman01  Bangladesh
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Frugel-Horn XL for Alpair 10.3/10p, Fostex FF165wk, more
jdg123,

Curious - what 45 SET amp are you using? What are the tubes you have in 'em?
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Old 22nd April 2020, 02:27 PM   #1404
jln is offline jln  United States
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+1 :-)
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Old 22nd April 2020, 03:33 PM   #1405
alanhuth is offline alanhuth  United States
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That looks like a lot of amp horsepower. What do they normally drive?
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Old 22nd April 2020, 03:53 PM   #1406
jdg123 is offline jdg123  United States
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Frugel-Horn XL for Alpair 10.3/10p, Fostex FF165wk, more
Default Tubes need food

The amps are two stage, 12BH7A drives a 45. They are cap coupled with fixed bias. I use a grid choke. The big separate power supplies are overkill but the goal was low DCR and by gum itís very low. Each tube has its own DC regulator so itís silent. Beautiful blackness and surprising speed, thatís what the XLs are great at, fast and dynamic, no blurry edges. I always just thought the XLs would need more that two Watts. They Donít!
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Old 14th May 2020, 03:51 PM   #1407
iaRIVR is offline iaRIVR  United States
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Hi All-

I built these using the 10p (which are fantastic). Not that I'm in any rush but would these work? The measurement I see is about 5.7 inches across, so physically they should. They just look gorgeous.

One Pair | 6.5 Inch Full range Hi-Fi Speaker Driver | Bakelite Cone | Superb Mid | M6 - Lii Audio, unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
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Old 14th May 2020, 06:12 PM   #1408
planet10 is offline planet10  Canada
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Frugel-Horn XL for Alpair 10.3/10p, Fostex FF165wk, more
Click the image to open in full size.

Probably. High qt likely means lots of damping needed below the driver. High Vas might make it more suitable to Joan.

dave
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Old 19th May 2020, 06:29 AM   #1409
ujju3doc is offline ujju3doc  India
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Is that a Lii audio driver...ooo i think it is...lately they are getting lots of attention from different parts of the world. Any idea how do they sound?
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Old 19th May 2020, 06:39 AM   #1410
ujju3doc is offline ujju3doc  India
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Has anyone tried Alpair 11ms in FHXL enclosure? How do they sound? I think the cabinet must need some modification... Or just mounting hole modification will do the trick?
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