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Audio Craft AC-4400 and related AC tonearms

I have so many Audio Craft headshells that i start thinking about Audio Craft tonearms.
Something like the Audio Craft AC-4400 silver color with removable armwands.
Must be a high quality tonearm, Japanese classics. The problem is that i’ve never tried them.
Anyone can comment? Would be nice to read more opinions.

Here is a picture of the AC-4400: https://i.ebayimg.com/images/g/oNcAAOSw0HVWADXg/s-l1600.jpg

There is also AC-3300 model: https://www.vinylengine.com/library/audiocraft-ultracraft/ac-3300.shtml

128x128chakster
lewm
13,171 posts
 
64fx or 66fx have lower effective mass than 64s or 66s, respectively. I think they are indeed made of aluminum . Otherwise, they appear to be identical to the s versions.
chakster's avatar
chakster OP
6,144 posts
 
@lewm there is one thing i don't understand about those FX tonearms. They are black, the FR-7f is also black, they looks like they are made for each other, but the FX is lower mass tonearm. 
sampsa55
73 posts
 
@chakster I think you read too much into the color match. The headshells that came with FR66s & FR64s were also black. 

lewm
13,171 posts
 
What is compliance of 7f cartridge? The fx tonearms are indeed lower in mass than are the s tonearms but that's like saying your friend has lost 100 lbs and now weighs "only" 300 lbs. ( the s tonearms especially the 66s are very high in effective mass). Thus the 7f may well be suited to the fx tonearms even if its compliance is on the low side.

chakster's avatar
chakster OP
6,144 posts
 
@lewm the compliance of FR-7f is 7cu @100Hz 
http://audio-heritage.jp/FIDELITYRESEARCH/etc/fr-7f.html

@sampsa55 the first FR-7 was silver, then upgraded FR-7f was made in black. Same with tonearms, but i'm not sure the lower mass FR64FX or FR66FX are better than very high mass FR-64s and FR66s. I'm not sure which FR cartrs supposed to be used with FX tonearms then (if not the FR-7f series) ? The counterweight of the FX series is closer to the later IKEDA arms (like 407).   

Sampsa, do you use your Audio Craft with MM cartridges or only MC ? 
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