Se vogliamo fare un paragone con YAESU FT101 e KENWOOD TS890S
la versione Elecraft da considerare è quella K 4 HD, qui sotto descritta e che monta dei roofing filter a cristallo.
The K4, K4D, and K4HD. In most ways the three are identical. The K4D adds a second A-to-D converter and a second set of bandpass filters, allowing the radio to work in diversity mode or other situations where it’s beneficial to use separate antennas for the two receivers. (Thanks to direct sampling, neither the K4 nor K4D require crystal filters.) The K4HD adds a dual superhet module (discussed below), improving blocking dynamic range for high-signal conditions. Each of its two superhet sections has two crystal filters, one for SSB/DATA bandwidths and one for CW. Since each section has a high-dynamic-range I.F., no additional crystals are necessary. Note that a K4 can be easily upgraded by the user to a K4D, or a K4D upgraded to a K4HD, at any time. No soldering or alignment is required.
Quindi il prezzo nella versione top sale, anche se sono sicuro che le prestazioni saranno all'altezza.
73 Arnaldo
www.ik2nbu.com
