Next time you chat with him, suggest they add 6 Meters to those Amps.
He will have a winner.
73, Dick, W1KSZ
On Wed, Apr 16, 2014 at 5:21 PM, Don Allen <w9cw@w9cw.com> wrote:
> One thought on the ALS-600... I've known Martin Jue for a long time, as
> he and I worked at the same defense industry plant in 1967 - 1968 time
> frame (Magnavox Government and Industrial Division). He and I talk
> regularly, and we were discussing the ALS-600 a few months ago, and Martin
> recommended the ALS-600S - the version with the switching power supply.
> Two reasons why: 1). Many of the MRF150 failures are due to the voltage
> sag in the linear supply, and 2). The switcher is quite clean with few
> spurs. And, especially for traveling, the switching supply is much lighter
> than the linear supply!
>
> 73
> Don W9CW
>
>
> On 4/13/2014 6:59 PM, Roger wrote:
>
>> On 4/10/2014 8:22 PM, Bill Turner wrote:
>>
>>> ORIGINAL MESSAGE: (may be snipped)
>>>
>>> On 4/10/2014 2:06 PM, Kevin Stover wrote:
>>>
>>>> Unlike some tube amps solid state amps don't suffer fools lightly
>>>>
>>>
>>> REPLY:
>>>
>>> Certainly true, and the "fools" label applies to both designers and
>>> users.
>>>
>>>
>> Do the 600s work well? If so, there is nothing wrong with using a pair
>> of them with dividers and combiners. It's a very good way to double the
>> power. Put 4 together and run them conservatively. It might improve the
>> IM. OTOH that's a lot of current out of a PS.
>>
>> Most higher powered SS amps are 2 or 4 individual PP amps/sections tied
>> together with combiners. It works well with 2-meter amps There used to be
>> one that had 4 sections and ran 600 watts. I had one for a while. The
>> original owner talked me into selling it back to him. At times I wish I'd
>> kept it.
>>
>> You can do the same with 2-meter amps. Just disable the keying in one and
>> let the remaining one key both. You do have to keep the phasing such that
>> the signal from one doesn't get back into the input of the other and you
>> end up with a high powered flip flop and the amps have to be identical for
>> the simplest setup.
>>
>> 73
>>
>> Roger (K8RI)
>>
>>
>>
>> 73, Bill W6WRT
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>>
>>>
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|