[Amps] KPA-1500

[Scott Manthe]

Hi Dick,
I haven't seen anyone mention which devices they're using. According to 
Wayne, there are two LDMOS devices "very conservatively" rated at 1500 
watts output each.

73,
Scott N9AA

On 4/22/17 4:32 PM, Richard Solomon wrote:
> Is there any mention of which devices
> are being used in the Amp ?
>
> 73, Dick, W1KSZ
>
> On Fri, Apr 21, 2017 at 12:14 AM, Scott Manthe <n9aa at arrl.net> wrote:
>
>> I don't have those answers, nor am I a salesperson for the brand. But the
>> great thing about Elecraft is that you can ask the owners of the company
>> those questions directly and they'll answer. Perhaps you'll post their
>> answers.
>>
>> 73,
>> Scott N9AA
>>
>>
>> On 4/21/17 2:59 AM, Jim Thomson wrote:
>>
>>> Date: Fri, 21 Apr 2017 00:58:12 -0400
>>> From: Scott Manthe <n9aa at arrl.net>
>>> To: amps at contesting.com
>>> Subject: Re: [Amps] Fwd: Re: FYI Visalia Attendees
>>>
>>> Details here: http://www.elecraft.com/KPA1500/KPA1500.htm
>>>
>>> 73,
>>> Scott N9AA
>>>
>>> ##  No mention of TX IMD..nor eff, or whether it can be run at reduced
>>> power levels.
>>> Does it use a slew of DIPLEXER’s, like the  new  flex  SS amp does ??
>>>   Or just a slew of LP filters ?
>>>
>>> ##  No mention of duty cycle.  Will it run RTTY..or key down cxr at 1.5
>>> kw ?    How loud are those
>>> 3 x small diam fans ?
>>>
>>> ##  at least it does have a sampled  output   for folks that have an ADAT
>>> xcvr.    They used sma
>>> connectors  for their  main input for the pre-distortion  scheme.   The
>>> adat wants to see no more that
>>> 0 dbm  max....and  -24 dbm  min..... for the sample.
>>>
>>> ## the idea here is that The new  KPA-1500  can be used with other brand
>>> xcvrs, that do have a
>>> distortion cancelled input.   On paper, the TX imd of the KPA-1500  would
>>> be improved by another
>>> 10-15 db.
>>>
>>> Jim  VE7RF
>>>
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