On Jan 22, 10:59 pm, Bob Dobbs wrote:

- - On Jan 22, 8:34 pm, bpnjensen wrote:
- - MFJ makes two items that they describe specifically
- - as preselectors, the 1046 and 1048 - one "passive"
- - and one powered.

MFJ-1046 is a 'Passive' Pre-Selector for "SWL" Receivers
and Covers 1.6 MHz to 33 MHz
http://www.mfjenterprises.com/Produc...uctid=MFJ-1046
http://www.universal-radio.com/catal...amps/3736.html
-versus-
MFJ-1046 is a 'Passive' Pre-Selector for "HAM" Transceivers
and Covers 1.6 MHz to 33 MHz -has- Transmit Delay-Switch
http://www.mfjenterprises.com/Produc...uctid=MFJ-1048
http://www.universal-radio.com/catal...amps/3749.html

- - The passive has fewer parts, but the instructions at
- - the MFJ site blithely suggest that both do a great job.
- - They advertise the 956 as a tuner.

MFJ-956 LW/MW/SW is a basic "Pre-Selector" Tuner
http://www.universal-radio.com/catal...amps/2964.html
http://www.mfjenterprises.com/Produc...ductid=MFJ-956