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MC2155/L52/Panloc question

Ricktptman

Ricktptman

High Fidelity Enthusiast
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The L52 cabinet I have came with Panlocs installed and worked fine with my C28, but the 2155 appears to be too long for those Panlocs in the depth dimension. Is there an adjustment that I'm missing or do the amps take a dedicated set of Panloc brackets? TIA.
 
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The Panloc bracket (if you have the proper 042-592 and 043-593) has two positions for the bracket on the back that holds the Panloc receptacle. the inner location is for tuners, pre-amps and tuner/preamps. The outer location is for the amplifiers as these are deeper.

Larry
 
Update: These Panlocs have two positions secured by screws: 10" and 12". The MC2155 appears to require an approximately 14" inch depth. Does anybody make an aftermarket 4-hole extension plate for the end of the Panloc? Or is there a dedicated 14" Panloc? I've fashioned a workaround using the securing mechanism from the Panloc, but this cabinet's Panlocs have always been a little cranky. You have to futz around with the docking interface to get them to lock. I put PTFE dry lubricant on them and it helped a little, but you still have to spin the docking interface in order to get the 2155 Panloc rod to latch onto the mounted Panloc on the L52. Again, any advice is appreciated. All my other 52's operate great, and I have a 54 for the 2225 and it works great as well. TIA...
 
I checked in my MC2155 Service Manual and the Panloc brackets you need are the 045-916 (Left) and 045-917 (Right). Audio Classics is your best bet.

Larry
 
Thanks, Larry! I'll do a search. I'm okay for the moment, it's secured-just not ideal. Frankly, it was cranky when my C28 was in it as well. These look different from my other Panloc female interfaces. I think it's an older cabinet-I'm not sure. The cabinet looks really good, post-restoration, but these particular Panlocs just aren't as "effortless" as the others.
 
The workaround works well enough I guess. I spoke with one of the usual suspect "gurus" out in hyper-inflated, aftermarket retail land and they say that the only two amps that need these 14" panlocs (they don't adjust to the best of my ability to ascertain) are the 2125 and the 2155. He called them "odd ducks" in the Panloc/Mac architecture. Again, the panlocs on this particular cabinet (it came with my C28, I think-hard to remember now) have always been a little fussy. You have to rotate and cajole the component in order to get the things to "lock". It works about as well in the shimmed-up relocation as it did in the originally specced location. I just thought someone would've probably found a 2" extension metal plate workaround by now. "If I had a machine shop, I'd machine shop in the morning, etc., etc., etc.,"
 
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