[R-1051] R-1051 Speakers

Thu Nov 21 07:09:06 EST 2019

John
My Tin Can was DD-938, earlier Forest Sherman class but likely the same FRAM only later (1972). The design of the 1051’s wiring harness likely lead the reason for failures. The harness was routed along the side and across and wire behind the RF connector could weaken and break causing intermittent receive and as you know a rockin and rollin TinCan is just enough to increase intermittent audio...
If we had a swear jar the ET’s could have funded our first night on liberty..
BTW it’s great to wake up the 1051 Group, I just hope we don’t bore the members to drinking. I myself like to hear stories from the operators perspective...
73
Tom K4NCG 
Sent from my iPad

> On Nov 21, 2019, at 12:01 AM, John <jlkolb at jlkolb.cts.com> wrote:
> 
> 
> Another tin can sailor here. We were FRAMed in 1965-66, DD-948. Ended up with 2 R-1051's in crypto, but kept R-390A's in main radio room. Believe I was the first in a destroyer to copy the fleet bcst when it switched to mux in '66 in Westpac, a challenge since the yardbirds totally messed up the UCC-1 installation.  Later managed to copy the mux bcst with a R-1051 in variable mode when the 1 kHz tuning wouldn't lock, by pitch matching to the other rx.
> 
> Was amused once when one R-1051 failed and the ET brought up his box of spare modules. Swapping all the modules didn't fix it, and the removed modules all worked in the other rx. I tilted up the chassis on the slides, and found one of the connector pins loose from one of the module connectors. An unlikely failure mode except following a month of pounding from continuous shore bombardment duty.
> 
> John  KK6IL
> 
>> On 11/20/2019 1:53 PM, Tom Chirhart via R-1051 wrote:
>> Pricey! But anything DoD is...
>> I was one of the CW operators on a Tin Can, Post FRAM (Ships modernization) the R-390’s (except two used for ships entertainment) went away and R-1051’s appeared. The 1051’s sucked on CW in comparison to the R-390, BUT the 1051’s were stable for HF ship/shore using a WRT-2 or URC-32 for TX. Fleet broadcast using the 1051’s were tops...
>> Back in the day when the Navy had real Communicators...
>> 73 all
>> Tom
>> Sent from my iPad
>>> On Nov 20, 2019, at 2:19 PM, paul swed <paulswedb at gmail.com> wrote:
>>> 
>>> Tom a bit of humor in all this.
>>> I was in one of the earlier classes on the r1051. I looked it up at the time. It could be purchased for $27,000. So that wasn't going to show up in the ole ham shack anytime soon.
>>> Oh and it had a oven oscillator... Well as time went by as with all electronics it goes from $$$ to $/lbs. Fair radio had them for sale and I could actually afford it. Years later they really were going pennies per pound. But shipping was not attractive. There was a place in california that had stacks of them cheap. Think it was Santa Clara.
>>> Oh well things come and go.
>>> The unit I have works great unlike so many other things after even 5 years.
>>> Regards
>>> Paul
>>> WB8TSL
>>> 
>>>> On Wed, Nov 20, 2019 at 1:36 PM Tom Chirhart via R-1051 <r-1051 at mailman.qth.net> wrote:
>>>> Paul, as a Retired Chief Radioman I think I can speak freely.. the LS-474 is only needed by the collector that wants everything original. Same for the LS-206 for the die hard R-390 crowd. Most speakers with a matching transformer will work. Using the audio patch panels in Radio Central we could patch any receiver to any speaker or multiple speakers throughout the ship. We patched speakers to the bridge etc.. I use amplified Radio Shack speakers routinely but the flashback memories is why I have the matching speakers...
>>>> best 73’s to all us R-1051 owners out there.. if you are headed South along I-95 in Virginia I might have an interest in your R-1051. Send photos! I’m in Virginia just 5 miles south of Quantico...
>>>> Tom
>>>> 
>>>> Sent from my iPad
>>>> 
>>>>> On Nov 20, 2019, at 10:00 AM, paul swed <paulswedb at gmail.com> wrote:
>>>>> 
>>>>> With respect to speakers I also use a set of high end broadcast monitors
>>>>> for my r1051. Only because I could. But for the various BC312/348 class
>>>>> radios its the cheap and cheerful stereo speakers available through many
>>>>> computer stuff sellers. What works quite well are inland technology's for
>>>>> $8 as I recall.
>>>>> Granted none of these are official R1051 speakers. In fact aboard the ships
>>>>> that I served on the radios always went to switchboards that directed the
>>>>> audio to various locations that had a amplifier and then various size
>>>>> speakers.
>>>>> Regards
>>>>> Paul
>>>>> WB8TSL
>>>>> 
>>>>> On Wed, Nov 20, 2019 at 8:58 AM Guido Santacana <gsantacanav at gmail.com>
>>>>> wrote:
>>>>> 
>>>>>> I used to feed the audio of my 1051B into a shelf speaker through a 600 to
>>>>>> 8 ohm matching transformer. It works ok. Lately I have connected a small
>>>>>> Radio Shack Mono Audio amplifier to the audio output. It provides better
>>>>>> control of tone and much better audio.
>>>>>> 
>>>>>> 73s
>>>>>> Guido KP4FAR
>>>>>> 
>>>>>> On Wed, Nov 20, 2019 at 9:42 AM Steve Hobensack <
>>>>>> stevehobensack at hotmail.com>
>>>>>> wrote:
>>>>>> 
>>>>>>> Bookshelf speakers work nice. You need two of them. Use 12v filament
>>>>>>> transformers to match impedance. Its not an exact match but close. Hook
>>>>>> the
>>>>>>> 120v side to the radio and the 12v side to the speaker.
>>>>>>> N8YE
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