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[Serpens]

Hello, friends. My acoustics Fostex F200A - from 170 Hz Supertweeter Fostex 17 RP first order from 18 kHz Bass with electro-mechanical feedback (for now) Fostex FW305 - from 17 to 170 Hz. Of course, the voice of the acoustics is the Fostex F200A.

 

[planet10]

Very nice shape, but more a multiway than a FR.

dave

 

[steve jones]

MarkAudio Alpair10v3 + DDBH-A10-L(Back-Loaded Horn with Damp-Duct)


YouTube [AIR RECORDING] - TAKE FIVE / Helge Lien Trio

[ Air Recording ] Take5 - Helge Lien Trio | recorded at 2.5 meter away - YouTube

Received a pair of MAOP 10.2s earlier this week. Looking to settle on the first cabinet to build for them. Will be used with 6V6 PP amp (Poinz's Musical Machine), and future First Watt J2 clone, LuFo and Tokin SIT amps (I've got all the unobtainium sand parts).

What is your opinion on this cabinet design vs your TWTD-13.5T design when fitted with the MAOP 10.2?

From the YouTube videos with its limited sound quality, they seem close enough in performance, with my ears (possibly) giving a slight preference to the DDBH-A10. With your ears listening directly, do you have a preference to share?

 

[planet10]

Steve,

A YouTube video will not tell you much.

What is WWTD-13.5T?

dave

 

[steve jones]

Agree about judging ultimate SQ from a Youtube video. That is why I asked Nandappe-san for his personal ears-on experience. Maybe give me a nudge on which to build.

TWTD-13.5T is Nandape-san's term for Taper Wave Tube with Dampened Duct.

 

[planet10]

A ML-Voigt with the same folding as Scott came up with for designs FE108e∑ and one for a larger Fostex.

nandappe is churing out a lot of those boxes, i would check with Scott before i built one. We haven’t done any for MA.

dave

 

[steve jones]

OK, will look into those too.

 

[planet10]

If you have MAOP 10.2 (lucky you), but just stuffing them into enclosures will-nilly is not a good idea. ML-TLs and horns tend to be more cabinet dominant and any enclosure for A10.3/10p can likely be adapted (for a Pensil, teh A10.3 one).

dave

 

[nandappe]

Dear steve jones,

If you want to use a tube amp, I recommend DDBH-A10.

DDBH-A10's sound is a hard and sharp, so jazz and rock are great.
If using a tube amp, mellow sound sources such as classical music also will be even more wonderful.

 

[planet10]

Not sure what you mean their nandappe?

Could be something lost in translation?

dave

 

[steve jones]

Dear steve jones,

If you want to use a tube amp, I recommend DDBH-A10.

DDBH-A10's sound is a hard and sharp, so jazz and rock are great.
If using a tube amp, mellow sound sources such as classical music also will be even more wonderful.

Thanks, Nandappe. This gives me a good idea of which box to build.

 

[jjasniew]

@ Steve - An avatar I instantly recognize.

 

[nandappe]

Not sure what you mean their nandappe?

Could be something lost in translation?

dave

Dear dave,

Sorry, I can't translate well.

I wanted to say, "Even if I use the same driver, the sound that comes out will be different depending on the structure of the box, the amount of damper, and how you use it."

Compare Air-Recording: Enya - Orinoco Flow

Alpair10.3+DDBH-A10-L(DDBH-B13-ML)
MarkAudio Alpair10v3 + DDBH-B13-ML ( minimum limited series for 13cm full-range driver) - YouTube

Alpair10.3+TWTD-13.5T
Tapered Wave Tube with Damp Duct(TWTD)／ ダンプダクト付きテーパー波動管（開口部オフセット型TQWT） + Alpair10.3 - YouTube

 

[planet10]

@ Steve - An avatar I instantly recognize.

We did a speaker based on that movie.

dave

 

[planet10]

Compare Air-Recording

Those are not really useful.

The particular word “sharp” you used is to my mind not something you want in a loudspeaker. It usually means an unwanted HF resonance.

A good loudspeaker should be able to reproduce anything, but the compromises taken will often favour specific genres.

dave

 

[peppennino]

Hi guys,
I have a pair of FE127E in standard reflex cabinet and I'd like to make something better, but not too complicated as I have not so high woodworking skills...
Thanks in advance for suggestions

 

[planet10]

The CGR for the FE127 (i’ll have to check whether i ever drew one. The FE127 was going to be the first paid planset but when it was discontinued i ceased work on it and made it free.

Email me andi can send you the URL for the pdf and you can check see if anything looks good.

dave

 

[peppennino]

Many thanks, Dave!

 

[nandappe]

Those are not really useful.


dave

Dear dave,

There are many people who make use of the air recordings on YouTube.
In Japan, the general idea is that air recordings are more useful than words and graphs.
I think that is the time now.

The contest video is also distributed in audio magazines.

"11th DIY Speaker Contest" Result Announcement & Work Show - ONLINE
(Mark Fenlon also appears in this video　4:33)

第11回自作スピーカーコンテスト 結果発表&作品披露会 ONLINE - YouTube

 

[nandappe]

SB-082 is a surround back speaker for DDBH-A10-L.
Drivers are two faitalPRO 3FE22-08/ch.

YouTube [AIR RECORDING] - SB-082, TAKE FIVE / Helge Lien Trio

SB 082(surround back speaker for DDBH-A10-L)+faitalPRO 3FE22-8 - Take Five - YouTube