Re: {Collins} Label on the rear of a KWM-380

On the left side of that tag there are 4 filter option callouts for all models, and 5 function options on the right side.
Filter list is AM, RTTY, CWA and CWB.
Function list is NB, REM, HSO, GC and SP.
Trading and raiding over the years has left few units existing with the originally installed options. Unless you can have a skilled operator feel them out with knobs, or someone to physically verify the options are installed, be skeptical with appraisal based on just tag "dots". Stuffing empty slots in a 380 is expensive, especially if the noise blanker turns up AWOL. Also, #925 could be missing SB-10 thru 18, all of which have a profound impact on performance. You might have to slide the dust cover back a few inches and peek at the left front panel bracket for the SB sticker if it's not on the PA RR heatsink fin. If no sticker, again, it's safer to assume a few needed mods in the sale price.
Jim WA9Z

On 12/13/2012 11:02 AM, Tom Branton wrote:
Good morning,

May I pull upon the resource folks we have here with a KWM-380 question.  I am talking to the son of an SK about purchasing a KWM-380.  He is not a ham and long distance we are both trying to determine what filters and accessories are on the radio.

He tells me that on the back is a labeling plate which has eight labeled small round circles some of which have a black dot in the center.  Of the eight circles, six have center dots.  I suspect this must be an indication of what filters and upgrades have been installed.  The radio was bought new in 1981, the noice limiter was installed by the factory in 1982, and it was serviced in 1988.  The serial number is 925.

Any information an old (or young) Collins hand could share on understanding the labeling would be appreciated.

Thanks and 73's



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