2SC2652 runs off 48 or 50V, the same as MRF150. Toshiba stopped
making them a while ago which might have prompted the end of the
product.
Steve
> The 4KL was replaced by the PW-1 which uses the MRF-150 FET vs. the
> 2SC2652 bipolar transistor in the 2KL/4KL. The FETs operate at 48V
> vs. 13V for the bipolar transistors. The MRF-150 is cleaner and more
> efficient than the low voltage transistors. Overall the PW-1 with its
> FETs is a much better design than the 2KL/4KL.
>
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