[Boatanchors] Details for Motorola base station, Model # B91RCB-3405B?

[Eric Lawson]

If the model number is similar to the rest of the Motorola  
stuff...it's a low band 2-way radio...Micor Vintage (late 70s-early  
80s)  Good stuff. The 350 watts is output power..continuous duty....

The radios usually were sold in splits LL, L, M, H, and HH.  The  
capacitor values in the tuned circuits were changed for the different  
splits. It's been a very long time, but I think LL started at around  
26MHz and each split was about 5MHz wide..and HH officially ended up  
at 50MHz, but would make it to 52.525MHz with no problem.   Unless you  
lucked out and it was already in the 30MHz or 49MHz range, it would  
take work to move it to 6 or 10 meters FM...but it wouldn't be any  
worse than a standard recapping job for most any other radio..

Eric




Quoting Robert Groh <rgroh at swbell.net>:

> No info here, Bill, but it does look like a real deal.  I found it   
> on Craigslist
> and if close by and you really, really need more 'stuff' (God knows I
> don't!!!!), I would go take a look at it with an cleared out station  
>  wagon and
> $75 in your pocket. Should be easily $75 worth of parts in there - the rack
> alone is worth that.  You can tell a lot about it when you look at the meters
> (i.e. plate voltage, current, etc).
>
> 73 from a fellow (but reformed) scrounger
> Bob Groh, WA2CKY
>
>
>
>
> ________________________________
> From: William Morton <w_b_morton at hotmail.com>
> To: boatanchor <boatanchors at puck.nether.net>
> Sent: Sun, December 18, 2011 9:58:09 PM
> Subject: [Boatanchors] Details for Motorola base station, Model #   
> B91RCB-3405B?
>
>
> Hello All,
>
> Season's Greetings from the Upper Midwest.
>
> I came across a Motorola base station, B91RCB-3405B, for sale for   
> what I think
> is a rather fair price.  (Either the price is incredibly low or it's a typo.)
> The ad states it is FM with 350 watts of power.
>
>
> My question for the group is whether or not anyone has information   
> regarding the
> setup.  Are any documentation sets and/or schematics available online
> somewhere?  Does anyone have any experience with such a rig?
>
> Full disclosure:  I am mainly interested in the power supply and related
> components.  I have no intention whatsoever in using it for transmission as I
> have no FM broadcast license and the WAF will be somewhere near 0.    
> Thankfully
> there is room in the garage for me to at least poke around inside.
>
> If this is a classic piece of broadcast history or if I will be breaking any
> codes (written or unwritten) by pulling some parts, please let me   
> know.  Don't
> want to create a stir, but I also do not want it dumped into a landfill.
>
> Thank you in advance for your comments.
>
> Best Regards,
>
> William
>
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