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In Reply to: RE: (Altec) 604 - Field Coil Version e.g. by Wolf von Langa- experiences? posted by Joe Roberts on January 13, 2016 at 07:05:22
Holy cow Joe, where did you get that picture? I'm going out on a limb here, but that looks like a 612 cabinet copy made by Arthur Crawford in the early 1940s. Crawford bought Iconic components from Lansing and built his own systems, sold at his store Crawford's of Beverly Hills on Rodeo Drive. I have seen one other Crawford 612 and it likewise copied the general shape well but used too small a radius roundover bit on the front cutout. The one I saw featured a fetching flocked lime green fuzzy finish.
I also have another pair of Crawford cabinets that were originally fitted with Iconic components but are now loaded with "Crawford's Dimensitone" 604Cs which feature gold paint on the driver and crossover, and bright silver paint on the high frequency horn. These cabs are square fronted with a circular distributed port all the way around the driver and feature a burnt orange flocked finish. Farm out!
Follow Ups:
You are correct, Steve, lime green flocked with gold flocking on the horn! I listened to these Crawford Iconics last week in the Silbatone factory in Korea in stereo for a half hour. They are awesomely natural and a touch sweet. Really a fantastic speaker.
There is also an early folded Crawford paper mache horn (that I believe was made by Racon) in the collection. Takes a WE 555 driver.
Thanks for the info on Crawford. I had no clue what "Crawford" was but they made some pimped-out Iconics, that's for sure!
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Free your mind and your ass will follow -- Parliament/Funkadelic
Forgot to comment on the Field Coil Factor. I agree with Joe that field coil operation doesn't make it great, though it does help, if all other things can (ever?) be made equal. The original Lansing Iconic is a stunningly natural sounding speaker, extremely vivid and lively. Jim Lansing wrote an article "The Duplex Speaker" in 1944, and spoke of the progressive downsizing from Shearer Horn, huge theatre system with 375 Hz. crossover to Lansing Monitor (500 Hz.) to Iconic (800 Hz.) to Duplex (1200 Hz.). In my experience this took it one step too far, though necessary for monitoring in small rooms. The Iconic TROUNCES any 604 I have heard in pure performance, though of course it is considered a large speaker by modern standards. I have also compared the Iconic to a late 1940s Jim Lansing two way permanent magnet system... no contest.
No experience with field coil 604s, but the problem of 15"cone/horn mismatch can be addressed easily by unbolting 15" basket and replacing with altec 10" 425-8 basket with same 3" VC....See below "The ultimate Coaxial"
http://db.audioasylum.com/mhtml/m.html?forum=hug&n=164173&highlight=rafaro&r=&search_url=%2Fcgi%2Fsearch.mpl%3Fsearchtext%3D%26b%3DAND%26topic%3D%26topics_only%3DN%26author%3Drafaro%26date1%3D%26date2%3D%26slowmessage%3D%26sort%3Dscore%26sortOrder%3DDESC%26forum%3Dhug
http://db.audioasylum.com/mhtml/m.html?forum=hug&n=164183&highlight=rafaro&search_url=%2Fcgi%2Fsearch.mpl%3Fsearchtext%3D%26b%3DAND%26topic%3D%26topics_only%3DN%26author%3Drafaro%26date1%3D%26date2%3D%26slowmessage%3D%26sort%3Dscore%26sortOrder%3DDESC%26forum%3Dhug
Rafaro
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