Passive/active crossover?
What specific driver/s are you marrying it to?
Two way? three way design?
low crossover and high efficiency are not easy to find in the same drivers. Large waveguide and compression units probably best bet on a modest budget. I haven't heard Compression units in a Hifi speaker though yet, so I cannot comment from personal experience.
However I can say the Heil AMT's sound excellent. May be worth stretching for, that's if you can find them at a special price.
What specific driver/s are you marrying it to?
Two way? three way design?
low crossover and high efficiency are not easy to find in the same drivers. Large waveguide and compression units probably best bet on a modest budget. I haven't heard Compression units in a Hifi speaker though yet, so I cannot comment from personal experience.
However I can say the Heil AMT's sound excellent. May be worth stretching for, that's if you can find them at a special price.
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and how 'efficient'
I guess no point in denying it, tho not always, high efficiency also often results in being less 'smooth'
so despite having no nasty breakup or peaking, and looking smooth, it could still sound 'nasty', or harsh
best budget tweeter I know of is XT19
I found it very easy to handle
+1
Use a third octave crossover filter at 18dB per octave crossed at 2,500 Hz or more and you should be great shape. I was going to use one for a center channel until I figured out I needed a 30mm tweeter crossed at 1,850Hz.
Zaph Audio loves that tweeter BTW... a best buy with very low distortion.
horn plus driver
XD125 - HF Compression Driver
Very good price and spec.
http://www.eminence.com/pdf/APT150.pdf
http://www.eminence.com/pdf/APT80.pdf
Very nice tweet.
http://profesional.beyma.com/ingles/pdf/CP21F.pdf
Dome audax not cheap good normal price.
http://www.audax-speaker.de/index.php?module=shop_articles&index[shop_articles][action]=details&index[shop_articles][category==8&index[shop_articles][data][shop_articles_id]=55]%[/category][category=
elcheapo monacor
MONACOR INTERNATIONAL : Produktdetailseite
MONACOR INTERNATIONAL : Produktdetailseite
With horn.
MONACOR INTERNATIONAL : Produktdetailseite
I like this one it is a P-audio one.
MONACOR INTERNATIONAL : Produktdetailseite]%[/category]
XD125 - HF Compression Driver
Very good price and spec.
http://www.eminence.com/pdf/APT150.pdf
http://www.eminence.com/pdf/APT80.pdf
Very nice tweet.
http://profesional.beyma.com/ingles/pdf/CP21F.pdf
Dome audax not cheap good normal price.
http://www.audax-speaker.de/index.php?module=shop_articles&index[shop_articles][action]=details&index[shop_articles][category==8&index[shop_articles][data][shop_articles_id]=55]%[/category][category=
elcheapo monacor
MONACOR INTERNATIONAL : Produktdetailseite
MONACOR INTERNATIONAL : Produktdetailseite
With horn.
MONACOR INTERNATIONAL : Produktdetailseite
I like this one it is a P-audio one.
MONACOR INTERNATIONAL : Produktdetailseite]%[/category]
I'm back.
Extra details:
I came to the conclussion that for my SET amp i will start with with a two way: one 10" or 12" pro driver and a tweeter for the top. I want a tweeter that goes very low, so i can stick to first order crossovers. The target SPL is around 95 dB. The more...the better!
If i decide to use a dome tweeter i wil use a waveguide for shure! Actually....i wil use a wave guide for any kind of tweeter.
Some ribbon options? (planar tweeters actually-i want something that's under 100$)
Bdw. Someone told me that Eminence APT tweeter were first produced by TAD! That could explain the amount of good reviews this driver has.
Extra details:
I came to the conclussion that for my SET amp i will start with with a two way: one 10" or 12" pro driver and a tweeter for the top. I want a tweeter that goes very low, so i can stick to first order crossovers. The target SPL is around 95 dB. The more...the better!
If i decide to use a dome tweeter i wil use a waveguide for shure! Actually....i wil use a wave guide for any kind of tweeter.
Some ribbon options? (planar tweeters actually-i want something that's under 100$)
Bdw. Someone told me that Eminence APT tweeter were first produced by TAD! That could explain the amount of good reviews this driver has.
used on geddes loudspeakers , should be around 60 Euros , 106db
http://www.bcspeakers.com/CPD/product_pdf.php?id=0000000011
romania distributor :
dB TECHNOLIGHT - Sunet si Lumini profesionale, Echipamente pentru Teatru si TV, Cinema, Discoteci, Hoteluri, Educatie, Spectacole, Boxe, Proiectoare moving-head, incinte acustice, amplificatoare, mixere, audio, video, cinema 3D, efecte speciale, conf
http://www.bcspeakers.com/CPD/product_pdf.php?id=0000000011
romania distributor :
dB TECHNOLIGHT - Sunet si Lumini profesionale, Echipamente pentru Teatru si TV, Cinema, Discoteci, Hoteluri, Educatie, Spectacole, Boxe, Proiectoare moving-head, incinte acustice, amplificatoare, mixere, audio, video, cinema 3D, efecte speciale, conf
I've used the DE250 down to 600Hz with a first order crossover. Goes loud, no distortion issues. The only issue I've noticed was horn colouration at the lower cutoff, but that's not the fault of the tweeter.
good idea together with a lowcost or diy waveguide.
Here a budget 1"of bmspro 800Hz-30000Hz 113dB/1Wmtr.Overview
BMS 4524 - 1" High Frequency Compression Driver 8 Ohm - BMS4524 - STEREO LAB
BMS advise often XO near cutoff with their drivers this means 800Hz with this one, they are robust. With a 3-10W tube amp there will be no damage. Probably you need less than 1W because it does already 113dB at 1W! Before your woofer does 113dB/1wmtr there is serious power or efficiency needed.
You could save money on a wave guide and bold it on this low price coaxial(you need to buy the 3/8 threat adapter).http://www.eminence.com/pdf/Beta_12CX.pdf
And buy a second 12"to increase efficiency of the low frequency.http://www.eminence.com/pdf/Delta_12LFA.pdf
98-99dB/1Wmtr shout be possible.
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Sim of a beta12cx looks great 96dB/1wmtr and -3dB 35Hz.
Eminence BetaCX 12" Lautsprecher 250 W 8 Ohm | Preiswert kaufen | Blue-Music
BMS 4524 1" Hochtontreiber 25 W 8 Ohm | Preiswert kaufen | Blue-Music
1" + 12"= 135 Euro
Eminence BetaCX 12" Lautsprecher 250 W 8 Ohm | Preiswert kaufen | Blue-Music
BMS 4524 1" Hochtontreiber 25 W 8 Ohm | Preiswert kaufen | Blue-Music
1" + 12"= 135 Euro
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hmmm. i have my doubts about coaxial drivers.... But who knows? Do you think i will be better of with this set-up, or with a geddlee style speaker.
I have no problem in DIY-ing my own wave guides.
CNC-machining or fiberglass moulding...
Any experience with a planar magnetic tweeter?
A coalxial is a point source it is better than crossing at 1kHz and have them placed 20cm distance to each other.
What I am saying coaxial is the best you can have from acoustic behaviour. Look at Tannoy.
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