Mb Quart MCD25

Radik · 2nd March 2004, 02:40 AM

I've seen this tweeter around and especially on ebay. Does anyone know of this tweeter, it's specs and how it performs? All reviews are welcomed

Joso · 2nd March 2004, 07:19 PM

Hello,

MCD 25 is a Titan tweeter from MB Quart Germany.

QMS 3,45
Qes 2,85
Qts 1,56
Xmax 0,9mm
Sd 4,9 qcm
Re 7,1Ohm
LE 0,04mH
Fms 930 HZ

92db 2,83Volt
Max 100 Watt
8 Ohm
480Gramm
Voice Coil 25mm
3mm high

Greetings from Germany

Jochen Sonnenschein

Salas · 2nd March 2004, 08:56 PM

Hello,

I plan to make a new crossover for an MB Quart driver compliment. It belonged to an MB Quart speaker (2X6.5'' + MCD 25). The cabinet has already been made again DIY (the same size), but with very steardy construction and excellent looks. The main reason we wanted to remake the speaker was the tweeter. It sounds excellent. If my memory serves me right must have seen it on Aerial Acoustics flagship 8 years ago. Maybe modified though. Well worth purchasing. For how much is it offered?

5th element · 2nd March 2004, 09:29 PM

Yes those specs do looks rather nice. Nothing bad to say about them, its got a very nice xmax, although its fs isnt remarkable if suppressed this tweet could probably handle its fair share of low xovers.

ThomasW · 2nd March 2004, 09:51 PM

The double magnet version was added to the MB product line, after testing the custom version they were building for Avalon Acoustics.

They are very good tweeters.

Wombat · 2nd March 2004, 10:10 PM

I used this one years ago. These MB-Quart parts have a nice built quality. I still use the 50mm Supronyl version in my speakers at home.
I found an old book with data about it:

Radik · 3rd March 2004, 12:27 AM

I guess i should of also told you'll i want to run it for highs in my car

. Im guessing it should work the same way. what you'll think? If it isnt good, i saw the Morel MDT-20 and would buy that instead. But is that morel tweeter worth the $53 ?

sreten · 3rd March 2004, 09:46 AM

Just note that the Qts of 1.56 tells me you have to careful and
take this into account when designing the crossover.
There is also likely to be a high impedance peak at resonance.

However if you pad it down for level matching using a series /
parallel resistor combination the parallel resistance will suppress
the impedance peak.
But not the frequency response peak due to Qts.

sreten.

Radik · 4th March 2004, 12:37 AM

So can it work in my app.?

Radik · 6th March 2004, 03:12 PM

Sorry i took so long to reply but, it's $20 a piece on ebay

2nd March 2004, 02:40 AM	#1
Radik diyAudio Member Join Date: Dec 2002 Location: St.Lucia, West Indies	Mb Quart MCD25 I've seen this tweeter around and especially on ebay. Does anyone know of this tweeter, it's specs and how it performs? All reviews are welcomed __________________ Jus run da trak

2nd March 2004, 08:56 PM	#3
Salas diyAudio Chief Moderator Join Date: Oct 2002 Location: Athens-Greece	Rather Excellent Tweeter Hello, I plan to make a new crossover for an MB Quart driver compliment. It belonged to an MB Quart speaker (2X6.5'' + MCD 25). The cabinet has already been made again DIY (the same size), but with very steardy construction and excellent looks. The main reason we wanted to remake the speaker was the tweeter. It sounds excellent. If my memory serves me right must have seen it on Aerial Acoustics flagship 8 years ago. Maybe modified though. Well worth purchasing. For how much is it offered?

2nd March 2004, 09:29 PM	#4
5th element diyAudio Member Join Date: Oct 2002 Location: England	Yes those specs do looks rather nice. Nothing bad to say about them, its got a very nice xmax, although its fs isnt remarkable if suppressed this tweet could probably handle its fair share of low xovers. __________________ What the hell are you screamin' for? Every five minutes there's a bomb or somethin'! I'm leavin! bzzzz! Droggon Attack!

2nd March 2004, 09:51 PM	#5
ThomasW diyAudio Member Join Date: Oct 2001 Location: 5280'	The double magnet version was added to the MB product line, after testing the custom version they were building for Avalon Acoustics. They are very good tweeters. __________________ Cult of the Infinitely Baffled (Resource for IB sub builders)

3rd March 2004, 12:27 AM	#7
Radik diyAudio Member Join Date: Dec 2002 Location: St.Lucia, West Indies	I guess i should of also told you'll i want to run it for highs in my car . Im guessing it should work the same way. what you'll think? If it isnt good, i saw the Morel MDT-20 and would buy that instead. But is that morel tweeter worth the $53 ? __________________ Jus run da trak


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2nd March 2004, 07:19 PM	#2
Joso diyAudio Member Join Date: Jan 2004 Location: Ratingen near Düsseldorf	Hello, MCD 25 is a Titan tweeter from MB Quart Germany. QMS 3,45 Qes 2,85 Qts 1,56 Xmax 0,9mm Sd 4,9 qcm Re 7,1Ohm LE 0,04mH Fms 930 HZ 92db 2,83Volt Max 100 Watt 8 Ohm 480Gramm Voice Coil 25mm 3mm high Greetings from Germany Jochen Sonnenschein

3rd March 2004, 09:46 AM	#8
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Just note that the Qts of 1.56 tells me you have to careful and take this into account when designing the crossover. There is also likely to be a high impedance peak at resonance. However if you pad it down for level matching using a series / parallel resistor combination the parallel resistance will suppress the impedance peak. But not the frequency response peak due to Qts. sreten.

4th March 2004, 12:37 AM	#9
Radik diyAudio Member Join Date: Dec 2002 Location: St.Lucia, West Indies	So can it work in my app.? __________________ Jus run da trak

6th March 2004, 03:12 PM	#10
Radik diyAudio Member Join Date: Dec 2002 Location: St.Lucia, West Indies	Sorry i took so long to reply but, it's $20 a piece on ebay __________________ Jus run da trak

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