Alnico Instrumental Speakers+Super Tweeter as an Option for very expensive Full-Range - diyAudio
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Old 25th April 2012, 12:41 AM   #1
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Default Alnico Instrumental Speakers+Super Tweeter as an Option for very expensive Full-Range

Fullrange speakers are mostly very expensive as long as alnico is in use (above 10.000 US-$ in case of Monster-Alnico from Feastrex) Here some examples:

Supravox
215 EXC SUPRAVOX
165 LB SUPRAVOX
SEAS
http://www.seas.no/images/stories/ex..._datasheet.pdf
Lowther
Lowther Loudspeakers -
PHY
PHY-HP (Haut parleurs)® - H 21 LB 15 SAG
PHY-HP H 30 LB 15 SAG (PHY)
PHY-HP Open Baffle
Voxativ
Voxativ Loudspeakers
Expensive Full Range.
http://www.eltim.eu/data/mediablocks...-X-Test-LR.pdf
Voxativ Loudspeakers
VOXATIV Full range drive units
Decware
Decware FRX Full Range Driver
Decware's Audiophile Product Page
New FRX OB driver from Decware
HiWell/HW-Speaker "08HF46D"
08HF46D:8",35 W RMS,70 W program,1" coil-hiwell
products_Hiwell speaker
L.Cao alnico/Onecaudio
L.Cao full range speakers
Feastrex Monster Alnico
Products
Photo-Gallery-NatureFlux
http://www.lotusgroupusa.com/RetailOnLine_09.pdf
BD-Design - Feastrex
Feastrex and Fostex Compared at Lone Star Audio Fest

What about the consideration to use guitar legend speakers with Alnico magnet system together with a super-tweeter so as the appopriate additional equalization?
Are there already experiences?

Here some examples of the good known versions from such instrumental transducer models:

Celestion G12 Blue (30 cm, 329,-- used e.g. in Vox AC-30 TBX)
Alnico - Celestion Blue - Celestion - Guitar, Bass & Pro Audio Speakers
Celestion Blue Bulldogs 12"
Celestion Blue Bulldog Alnico 12'' 15W 8 Ohm Made In England - Celestion
Vintage Amps Bulletin Board • View topic - Celestion blue cone codes w/PICS
http://swartamps.com/images/Celestion_Blue_full_900.jpg
http://www.bazaar-world.com/uploads/...42241951-2.jpg
The VOX Showroom - The Vox AC-30TB and AC30TBX Amplifiers
Celestion G10 Gold (221,--, e.g. Fender)
Alnico - Celestion G10 Gold - Celestion - Guitar, Bass & Pro Audio Speakers
Celestion Alnico Gold Bulldog 10" 8 Ohm
Celestion Gold Alnico Bulldog 10'' 40W 8 Ohm Made In England - Celestion
http://farm5.staticflickr.com/4139/5...91157459_z.jpg
http://mmusicmag.com/m/wp-content/up...-June-2011.jpg
http://www.teamaudio.fr/media/catalo..._gold-15_1.jpg
Celestion speakers in a Deluxe Reverb - Telecaster Guitar Forum
Celestion G12 Gold (30cm, 295,--)
Alnico - Celestion Gold - Celestion - Guitar, Bass & Pro Audio Speakers
Celestion Alnico Gold Bulldog 12 8 Ohm
Celestion Gold Alnico Bulldog 12" 50W 8 Ohm - Celestion
Celestion Gold Alnico Bulldog 12" 50W 8 Ohm - Celestion
Celestion gold image by Twinhit on Photobucket

Fane AXA 12 (30 cm, 249 Euro)
Fane International Ltd Loud Speakers
http://www.fane-acoustics.com/downlo...ta%20Sheet.pdf
Fane AXA-12 12" 100W 16 Ohm - Axiom
FANE AXA-12 Speaker Cabinet
Fane AXA 10 (25 cm 245 Euro)
http://www.fane-acoustics.com/downlo...ta%20Sheet.pdf
Fane AXA-10 10" 100W 16 Ohm - Axiom

Eminence LEGEND 1028K (99,--)
http://www.eminence.com/pdf/Legend_1028K.pdf
Eminence Legend 1028K

Jensen P10Q (96,--)
P10Q | Jensen Loudspeakers
Jensen P10q 10 8ohm
Jensen P10Q 10'' 40W 8 Ohm - ALNICO SERIES
VDS HP Jensen P10Q
Jensen P10R (79,--)
P10R | Jensen Loudspeakers
http://www.aceguitarparts.com.au/jensenp10r.jpg
http://www.vintageguitaramplifiers.n...4003799191.jpg
http://sp.j-guitar.com/uploads/1630/...c5-6630-48.jpg
Jensen P10R Alnico Vintage 8OHM
Jensen P10R 10'' 25W 8 Ohm - ALNICO SERIES
Champ-cut.gif (image)
http://images.thomann.de/pics/bdb/11...883327_800.jpg
Jensen P8R (79,--)
P8R | Jensen Loudspeakers
Jensen P8R 4 Ohm
Jensen P8R 8" 25W 8 Ohm - ALNICO SERIES
http://www.eifl.co.jp/index/speaker/...jensen_p8r.jpg
Jensen P12R (89,--)
P12R | Jensen Loudspeakers
Jensen P12R 12" 25W 8 Ohm - ALNICO SERIES
Jensen P12R Alnico Vintage 8Ohm
http://www.blackswampaudio.com/Images/Inv/1269.2.jpg
http://bild9.qimage.de/jensen-p12r-a...d-46653269.jpg
http://imgc.classistatic.com/cps/bln...0891c1_23.jpeg

Frequency response Jensen:
Jensen® Vintage Speakers
Basics
http://www.tt-cabs.com/tt_tech/doc/T..._Leitfaden.pdf

Weber Speakers
https://taweber.powweb.com/weber/
Attached Images
File Type: jpg Celestion G1x Alnico Gold rear.jpg (67.7 KB, 1251 views)
File Type: jpg Celestion G10 Alnico Gold front.jpg (64.7 KB, 1241 views)
File Type: jpg Celestion G10 Alnico Gold rear.jpg (111.2 KB, 1232 views)
File Type: jpg Celestion G10 Alnico Gold rear-II.jpg (67.2 KB, 1220 views)
File Type: jpg Celestion G10 Alnico Gold sticker.jpg (17.0 KB, 1207 views)
File Type: jpg Celestion G12 Alnico Blue front.jpg (245.7 KB, 16 views)
File Type: jpg Celestion G12 Alnico Blue rear.jpg (72.1 KB, 22 views)
File Type: jpg Celestion G12 Alnico Gold dustcap.jpg (146.8 KB, 16 views)
File Type: jpg Celestion G12 Alnico Gold front.jpg (284.5 KB, 9 views)
File Type: jpg Celestion G12 Alnico Gold rear.jpg (155.3 KB, 9 views)

Last edited by tiefbassuebertr; 25th April 2012 at 12:53 AM.
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Old 25th April 2012, 12:59 AM   #2
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more pics - Eminence/Fane
Attached Images
File Type: jpg Eminence Legend 1028k front-II.jpg (53.4 KB, 15 views)
File Type: jpg Eminence Legend 1028k rear.jpg (46.2 KB, 19 views)
File Type: jpg Eminence Legend 1028k side.jpg (34.9 KB, 21 views)
File Type: jpg FANE AXA.10 front-I.jpg (18.5 KB, 16 views)
File Type: jpg FANE AXA.10 front-II.jpg (9.5 KB, 9 views)
File Type: jpg FANE AXA.10 rear.jpg (14.3 KB, 13 views)
File Type: jpg FANE AXA.12 front-I.jpg (31.7 KB, 12 views)
File Type: jpg FANE AXA.12 front-II.jpg (13.9 KB, 9 views)
File Type: jpg FANE AXA.12 front-side.jpg (13.9 KB, 12 views)
File Type: jpg Fane AXA.12 rear sticker.jpg (47.2 KB, 12 views)
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Old 25th April 2012, 01:01 AM   #3
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more pics Jensen P8R from various generations
Attached Images
File Type: jpg Jensen P8R closed basket.jpg (99.6 KB, 18 views)
File Type: jpg Jensen P8R front.jpg (51.8 KB, 16 views)
File Type: jpg Jensen P8R front-II.jpg (77.8 KB, 14 views)
File Type: jpg Jensen P8R front-III.jpg (69.4 KB, 13 views)
File Type: jpg Jensen P8R front-IV.jpg (117.5 KB, 11 views)
File Type: jpg Jensen P8R old rear.jpg (75.0 KB, 15 views)
File Type: jpg Jensen P8R old rear+front.jpg (44.4 KB, 16 views)
File Type: jpg Jensen P8R rear chamber.jpg (59.3 KB, 40 views)
File Type: jpg Jensen P8R rear.jpg (21.6 KB, 40 views)
File Type: jpg Jensen P8R rear+front.jpg (48.5 KB, 21 views)
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Old 25th April 2012, 01:07 AM   #4
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more pics Jensen P10Q and P10R
Attached Images
File Type: jpg Jensen P10Q front.jpg (35.7 KB, 16 views)
File Type: jpg Jensen P10Q front-II.jpg (35.7 KB, 17 views)
File Type: jpg Jensen P10Q rear.jpg (510.7 KB, 13 views)
File Type: jpg Jensen P10R front.jpg (65.8 KB, 13 views)
File Type: jpg Jensen P10R frontII.jpg (56.1 KB, 14 views)
File Type: jpg Jensen P10R front-III.jpg (18.3 KB, 12 views)
File Type: jpg Jensen P10R front-IV.jpg (72.2 KB, 12 views)
File Type: gif Jensen P10R rear.GIF (108.7 KB, 14 views)
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Old 25th April 2012, 01:12 AM   #5
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last pics from Jensen's P12R
Attached Images
File Type: jpg Jensen P12R front-I.jpg (204.0 KB, 19 views)
File Type: jpg Jensen P12R front-II.jpg (319.9 KB, 16 views)
File Type: jpg Jensen P12R front-III.jpg (34.7 KB, 11 views)
File Type: jpg Jensen P12R front-IV.jpg (35.3 KB, 11 views)
File Type: jpg Jensen P12R front-V.jpg (31.6 KB, 8 views)
File Type: jpg Jensen P12R rear-I.jpg (31.9 KB, 15 views)
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Old 25th April 2012, 03:23 AM   #6
sreten is offline sreten  United Kingdom
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Hi, And your point / subject is ? rgds, sreten.
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Old 25th April 2012, 04:30 AM   #7
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THAT is a lot of links. Measuring most any guitar speaker will show why the majority are no good for hifi. Peaky response and no bass are almost prerequisites.
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Old 25th April 2012, 03:15 PM   #8
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Quote:
Originally Posted by d to the g View Post
THAT is a lot of links. Measuring most any guitar speaker will show why the majority are no good for hifi. Peaky response and no bass are almost prerequisites.
Quite true.

Guitar speakers are voiced to have peaks in the top end (which ends about 5K). They have huge magnets and stiff surrounds so most have an Fs near 100Hz, despite the heavy cones. And, the accordion surrounds make them non-linear, with a Qts of close to 1. What more could you ask for?

I actually listen to a lot of music played through guitar speakers, as that's how I break them in. The bass in a TL (and they will go low in a TL) is very natural for bass guitar, not so inspiring for cello or even acoustic guitar. Kick drums however, sound dead on. Male vocals are... forward is an understatement. But it's the cymbals that will drive you from the room. Did I mention the cone of a guitar speaker is designed to have massive amounts of harmonic distortion?


If you must, try one of these:
http://www.wgs4.com/content/BHHP

Very smooth through the highs (for a guitar speaker), but the weak magnet/heavy cone will want to make a nasty bump in the mid-bass.

Last edited by Keriwena; 25th April 2012 at 03:22 PM.
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Old 25th April 2012, 05:40 PM   #9
zmyrna is offline zmyrna  United Kingdom
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The only guitar speaker that found its way into diy audio is Tone Tubby.
Lynn Olson likes the TT 12" alnico.
People have used it with Lowthers or horn tweeters on top.
Some also use the TT 8" fe version as a wide ranger.
The rest is pretty much hopeless.
But the alnico tubbies are not cheap in Europe.
If you are after affordable alnico, look for vintage.
Germany is probably the best place for finding vintage alnicos.
I have got myself some beautiful new old stock Isophons on German ebay. 15-20 euros each.
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Old 25th April 2012, 06:15 PM   #10
chrisb is offline chrisb  Canada
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well, not all "guitar / musical instrument" speakers have "huge" magnets (relative to cone size) - eg Eminence Beta 12TA 34oz for 12" cone, FS at 60Hz avg sens= 99dB , while say Fostex FE163En weighs in a 38 oz for 6" full range ( Fs 56 and avg sens=93dB) - of course that's apples to oranges and I doubt anyone would use any of the Fostex FR drivers for guitar speakers (for long at least), but the reverse is not necessarily the case.



The Tone Tubby's are great, but certainly not the only guitar speakers that have found their way into DIY audio - see Eminence cited above, and of course there manufactures such as Hawthorne and Hammer Dynamics catering to the DIY crowd with custom OEM drivers from this same company
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