Anyone into Radiotehnika?

Elias · 16th November 2006, 10:24 AM

I found these beauties. Mystical sound behind the iron curtain

Quite cheap prize but nicely rugged design. Haven't found any specs though. Can anyone help?

Here's 16 ohm 5" midrange RT 20VT-1-16:

Elias · 16th November 2006, 10:26 AM

And here's 8" bass RT 50ZT-1-8:

Elias · 16th November 2006, 10:27 AM

And 10" bass RT 75ZT-1-4.

I like the magnet fixture

Artmaster · 16th November 2006, 03:03 PM

hi! just call there and ask them
Work: + 371 7852030
www.rrr.lv
but I'm afraid they will not be able to answer.

Misa A. · 25th November 2006, 06:45 PM

Elias,
this is all the old Soviet crap from 1970s.
Most of all I beg you to stay away from this so-called "midrange".
I have used them and I know.

Best regards,
Misha, born in the USSR

Misa A. · 25th November 2006, 06:49 PM

Wow, never knew the word **** I used was bad...

roland bios · 27th November 2006, 12:35 AM

Hi

Did some research on the 10 inch. This is what i found out: It's made in several different factories, so the tsp differ a lot. A german diy magazine used the 10 inch in some designs almost 10 years ago. Don't know about the ones from the site some posts up. Maybe the tsp are constant nowadays.

They have a nice Xmax and are good for closed box and they are cheap.

Kind Regards

Zen Mod · 27th November 2006, 12:43 AM

junk
heavy cones
hard surrounds
enormous gaps ......

but nice basket donors for DIY-ing your own spks

all you need are more magnets,new cones,new surrounds and new plates and choke.............I have pair of 8" waiting for that.......

Irakli · 27th November 2006, 01:17 AM

Hi Everybody,

I still have famous soviet S-90 speakers (bought them in 1984), my first hi-fi speakers

). I dont use them now, but they served me well all my student years.

Sometime I would like to get my hands on them and upgrade drivers and crossover.

Can anybody recommend a good link how to mod S-90. I searched the web, but cant find anything.

Thanks in advance.

Sabbelbacke · 28th November 2006, 06:47 AM

I still have four of these lying around:

http://www.hupra.com/75_gdn_info_de.htm

16th November 2006, 03:03 PM	#4
Artmaster diyAudio Member Join Date: May 2004 Location: Kiev Blog Entries: 1	hi! just call there and ask them Work: + 371 7852030 www.rrr.lv but I'm afraid they will not be able to answer. __________________ Artmaster live in www.artmaydan.org.ua

27th November 2006, 12:43 AM	#8
Zen Mod diyAudio Member Join Date: Jan 2003 Location: ancient Batsch , behind Iron Curtain	junk heavy cones hard surrounds enormous gaps ...... but nice basket donors for DIY-ing your own spks all you need are more magnets,new cones,new surrounds and new plates and choke.............I have pair of 8" waiting for that....... __________________ my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb

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25th November 2006, 06:45 PM	#5
Misa A. diyAudio Member Join Date: Dec 2003 Location: Moscow	Elias, this is all the old Soviet crap from 1970s. Most of all I beg you to stay away from this so-called "midrange". I have used them and I know. Best regards, Misha, born in the USSR

25th November 2006, 06:49 PM	#6
Misa A. diyAudio Member Join Date: Dec 2003 Location: Moscow	Wow, never knew the word **** I used was bad...

27th November 2006, 12:35 AM	#7
roland bios diyAudio Member Join Date: Jul 2004 Location: Groningen	Hi Did some research on the 10 inch. This is what i found out: It's made in several different factories, so the tsp differ a lot. A german diy magazine used the 10 inch in some designs almost 10 years ago. Don't know about the ones from the site some posts up. Maybe the tsp are constant nowadays. They have a nice Xmax and are good for closed box and they are cheap. Kind Regards

27th November 2006, 01:17 AM	#9
Irakli diyAudio Member Join Date: Aug 2004 Location: washington, DC Blog Entries: 1	Hi Everybody, I still have famous soviet S-90 speakers (bought them in 1984), my first hi-fi speakers ). I dont use them now, but they served me well all my student years. Sometime I would like to get my hands on them and upgrade drivers and crossover. Can anybody recommend a good link how to mod S-90. I searched the web, but cant find anything. Thanks in advance.

28th November 2006, 06:47 AM	#10
Sabbelbacke diyAudio Member Join Date: Nov 2006	I still have four of these lying around: http://www.hupra.com/75_gdn_info_de.htm

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