[Elecraft] SS Amp

[Joe Subich, W4TV]

On 2019-01-16 9:39 PM, john at kk9a.com wrote:
> I do not recall reading what transistor(s) it uses or know how loud
> it is or what the IMD is.

The SPE 1.5 uses a single LDMOS device.  While it can produce 1500W
with sufficient drive, it starts to compress well before the 1000 W
level.  SPE's own test data supplied to the FCC showed very poor IMD
characteristics - what one would call a distortion generator - at
"full" power.

73,

    ... Joe, W4TV


On 2019-01-16 9:39 PM, john at kk9a.com wrote:
> The one piece 10kg lightweight design and a multi-voltage power supply make
> the SPE 1.5k-fa very nice for travel. I do not recall reading what
> transistor(s) it uses or know how loud it is or what the IMD is.  The
> Elecraft KPA-1500 is pretty heavy-duty and of course well supported in the
> U.S.
> 
> John KK9A
> 
> 
> Dave n8ag at comcast.net
> 
> I'm trying to decide on a SS amp. I already have the KPA500 and love it but
> the price for the KPA1500 is a bit above my budget. I am looking at the SPE
> 1.5K-FA which is about $1000 less. I like the fact that it has inputs for
> two radios and 4 antenna connections. Plus the power supply is built into
> the same box.  I know the response from this list will be pro Elecraft but
> any constructive or informative comments would be appreciated.
> 
> Tnx es 73,
> Dave N8AG
> 
> 
> Sent from Mail for Windows 10
>