RTR Model C Series IV

[thekid]

From the Orion Blue Book:
made from 1982 to 83
New List $460 a pair

There is a web site called AudioKarma that has information on classic audio, you should try there also.

CJ

Welcome and thank you for your response.
I did log on to a few other communiites and Audio Karma was one of them where I was able to pick up some additional info on these speakers. Cincy @ Audio Karma was able to provide the following info;

Woofer is 12 inch speaker in acoustic suspension enclosure. Midrange is 3 5/8 cone. Tweeter is 2 3/4 cone. Second tweeter is 2x5 piezo horn.
Frequency range is 30hz to 30khz
Separate level control for mid and high freq.
Sound pressure level for 1 watt at 1 meter is 91db.
Crossover freq. is 2k-4k-7.5k
Nominal system impedance is 8 ohms.
Speaker weight is 44 lbs. each.
Price for the pair was 460.00 dollars in 1982.

He also mentioned the woofer uses a treated cloth surround instead of foam. I have never heard of this so if any one has tips on any conditioning tips I should use given the age of these speakers please let me know.

Thanks again CJ!

[Feanor]

CJ

Welcome and thank you for your response.
I did log on to a few other communiites and Audio Karma was one of them where I was able to pick up some additional info on these speakers. Cincy @ Audio Karma was able to provide the following info;

Woofer is 12 inch speaker in acoustic suspension enclosure. Midrange is 3 5/8 cone. Tweeter is 2 3/4 cone. Second tweeter is 2x5 piezo horn.
Frequency range is 30hz to 30khz
Separate level control for mid and high freq.
Sound pressure level for 1 watt at 1 meter is 91db.
Crossover freq. is 2k-4k-7.5k
Nominal system impedance is 8 ohms.
Speaker weight is 44 lbs. each.
Price for the pair was 460.00 dollars in 1982.

He also mentioned the woofer uses a treated cloth surround instead of foam. I have never heard of this so if any one has tips on any conditioning tips I should use given the age of these speakers please let me know.

Thanks again CJ!

These specs suggest to me that this speaker was designed to be a rocker -- not the thing for chamber music. The cone drivers, high crossover points, and the cloth surround woofer imply this purpose.

Cloth surrounds are very common today on professional, i.e. sound reenforcement, bass drivers. I don't know about the availability of replacement cloth surrounds, but suitable replacement woofer could be found from among pro or even hi-fi bass drivers. The trick there would be to match the driver to the size of, and degree of stuffing in, your seal enclosers; (the cloth surround aspect isn't an issue).

[thekid]

These specs suggest to me that this speaker was designed to be a rocker -- not the thing for chamber music. The cone drivers, high crossover points, and the cloth surround woofer imply this purpose.

Cloth surrounds are very common today on professional, i.e. sound reenforcement, bass drivers. I don't know about the availability of replacement cloth surrounds, but suitable replacement woofer could be found from among pro or even hi-fi bass drivers. The trick there would be to match the driver to the size of, and degree of stuffing in, your seal enclosers; (the cloth surround aspect isn't an issue).

Feanor
Thanks for the reply. One thread I did find did indicate that in their day RTR had a good rep as producing speakers that were rockers as you mention. However I actually I have been listening to alot of classical music on them and they seemed to produce better sound with Vivaldi and Handel than with Cheap Trick or Dire Straits but I am still experimenting with location and settings for the tweeter and mid-range. I think a better amp/reciever might help as well. Based on what you I listed previously do you have any suggestions? Thanks!!

[Feanor]

Feanor
Thanks for the reply. One thread I did find did indicate that in their day RTR had a good rep as producing speakers that were rockers as you mention. However I actually I have been listening to alot of classical music on them and they seemed to produce better sound with Vivaldi and Handel than with Cheap Trick or Dire Straits but I am still experimenting with location and settings for the tweeter and mid-range. I think a better amp/reciever might help as well. Based on what you I listed previously do you have any suggestions? Thanks!!

Kid,

Far be it from me to discourage anyone from listening to classical music on anything.

I'm not sure which list you're referring to, but a better amp can never hurts.