Anyone know some more about these

Sjef · 14th October 2003, 09:07 PM

Does anyone know some more about these tweeters.

I have figured out allready that they are vintage Electro Voice tweeters, but I'm not shure wich type. Is it the T35, T350 or another one. Datasheet anyone ??

markp · 14th October 2003, 09:12 PM

T35's. The data sheet is available with a web search. They might be fakes if not clearly marked. Several knock-off have been seen coming from the east.

roddyama · 15th October 2003, 03:33 AM

All of the t35's or T350's I've seen had round magnet structures with round sheet metal cups shaped covers on the back that had the EV name and model.

Sjef · 16th October 2003, 12:05 AM

I Don't know if the ones I've gor are origanaly Electro Voice drivers.
Yhey have only a couple of numbers on the back. That says nothing about the oigin. I have seen a lot of driver with no company nmae on the back wich were OEM drivers from very knowm company's. Mine came out of an old PA system wich had Electo Voice woofers and midhorns wich look a lot like the old Electro Voice also. I guess it was an all Electro Voce system.

I have measured the tweeters frequency response and it is kind of rough, just like the way they sound. Defenitly not the smoothest and most detailed speakers around but there dynamics are truly awsome. The frequency response also shows that they only begin at 6 kHz and radically stop at 15 kHz with almost 40 db/oct. Strange little things, don't know what to do with them yet, got four of them and just want soem more information on them.

roddyama · 16th October 2003, 02:13 AM

They maybe some kind of OEM T350 offering from EV. I believe the T35 was good down to a crossover of 3500Hz and the T350 was much higher (don't remember how much higher).

With such a narrow BW, they would be almost useless in a home audio system unless you went for a 5-way system. They may be usable in a 3 or 4-way HT type application.

Bigfoot15 · 27th October 2004, 12:29 AM

They look like T35 avedon sonophase throat tweeter made by EV but for Klipsch, it might be the ones that Klipsch renamed K77 but I'm not sure. (You might want to check frequency response before using them.)

Lsharptec1 · 29th October 2004, 06:31 PM

I once blew a T-35 tweeter listening to "Silence is Golden" by the Tremelos, way back in 1966.

Brett · 30th October 2004, 06:32 AM

Buy some of the phenolic diaphramed Beyma's or BMS and sell the EV's to a vintage enthusist. You'll get much better sound.

14th October 2003, 09:12 PM	#2
markp diyAudio Member Join Date: Oct 2003 Location: L.A., CA	T35's. The data sheet is available with a web search. They might be fakes if not clearly marked. Several knock-off have been seen coming from the east. __________________ If it sounds good... it is good!

15th October 2003, 03:33 AM	#3
roddyama diyAudio Moderator Emeritus Join Date: Jan 2002 Location: Michigan	All of the t35's or T350's I've seen had round magnet structures with round sheet metal cups shaped covers on the back that had the EV name and model. __________________ Rodd Yamashita

16th October 2003, 02:13 AM	#5
roddyama diyAudio Moderator Emeritus Join Date: Jan 2002 Location: Michigan	They maybe some kind of OEM T350 offering from EV. I believe the T35 was good down to a crossover of 3500Hz and the T350 was much higher (don't remember how much higher). With such a narrow BW, they would be almost useless in a home audio system unless you went for a 5-way system. They may be usable in a 3 or 4-way HT type application. __________________ Rodd Yamashita

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16th October 2003, 12:05 AM	#4
Sjef diyAudio Member Join Date: Jan 2003 Location: Amsterdam	I Don't know if the ones I've gor are origanaly Electro Voice drivers. Yhey have only a couple of numbers on the back. That says nothing about the oigin. I have seen a lot of driver with no company nmae on the back wich were OEM drivers from very knowm company's. Mine came out of an old PA system wich had Electo Voice woofers and midhorns wich look a lot like the old Electro Voice also. I guess it was an all Electro Voce system. I have measured the tweeters frequency response and it is kind of rough, just like the way they sound. Defenitly not the smoothest and most detailed speakers around but there dynamics are truly awsome. The frequency response also shows that they only begin at 6 kHz and radically stop at 15 kHz with almost 40 db/oct. Strange little things, don't know what to do with them yet, got four of them and just want soem more information on them.

27th October 2004, 12:29 AM	#6
Bigfoot15 diyAudio Member Join Date: Oct 2004	They look like T35 avedon sonophase throat tweeter made by EV but for Klipsch, it might be the ones that Klipsch renamed K77 but I'm not sure. (You might want to check frequency response before using them.)

29th October 2004, 06:31 PM	#7
Lsharptec1 diyAudio Member Join Date: Oct 2004	I once blew a T-35 tweeter listening to "Silence is Golden" by the Tremelos, way back in 1966.

30th October 2004, 06:32 AM	#8
Brett diyAudio Member Join Date: Jan 2002	Buy some of the phenolic diaphramed Beyma's or BMS and sell the EV's to a vintage enthusist. You'll get much better sound.

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