[ARC5] "New" headphone cord set.

[WA5CAB--- via ARC5]

The replacement cords for the HB-7's are CO-162 (two-conductor for the 
PL-54) and CO-169 (one-conductor for the jumper).

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 01/16/2015 11:45:15 AM Central Standard Time, 
jeepp at comcast.net writes: 
> Ken,
> 
> As someone who has been there and done (tried?) that, let me relate the 
> following.  The cords within the HB-7 headband were installed before the 
> outer stitching took place.  In extremely rare cases have I been able to 
> replace the cord within the leather, itself.  The later HS-33's, as used 
> by the USAF in the 60's, that had plastic headbands, were doable.  
> However, I personally, have not seen the cord sets as a stand-alone item 
> for a very long time.  I believe these were replacements for helmets or 
> maybe those Navy cloth head-caps?   They are not listed as a replaceable 
> part in any TM or T.O I have that talks about HS-33/HS-23 headphones and 
> related interphone systems.  Most of the HB-7s I have tried to remove 
> the cord has been unsuccessful as the cord had swollen or the leather 
> has shrunk making it an extremely tight fit.   I was fortunate a few 
> years ago to find a larder of new but stripped HB-7s at Bananofsky's 
> (Barans Surplus) place.  There were, for a while, Japanese copies of the 
> HB-7 around.  They are identifiable as the element retaining pins are 
> larger that those actually on ANB and R-14 elements.  One has to 
> slightly ream out the tiny holes on the element(s).  And... as you point 
> out, working with tinsel cord is a chore.  I have been able to remove 
> and clean out the end caps that mate with the elements and re-use the 
> piercing feature of each on the tinsel cord ends.  There's generally 
> enough service loop left to do this. Soldering is... difficult?   The 
> one thing I really hate to see (but often the only remedy) is to re-wire 
> with zip cord.  They work but look punky...!   At least PL-54s, et al, 
> and JK-26s are still available.
> 
> All this probably won't help you one whit, but info is at least good for 
> the archives...hi!!
> 
> Jeep - K3HVG
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480