08-19-2011, 08:30 PM
Quick answer: either the "middle" version with single 47 output, or the "late" version with push-pull 47 outputs. Both have AVC which makes tuning a lot easier.
However, if you live in an area of low signal strength and don't mind keeping one hand on the volume control knob while tuning, the "normal-maximum" switch in the early 90 can be beneficial to you in helping to bring in those hard to get signals. By placing this switch in the "max" position, it increases the sensitivity of one of the IF stages. The other 90 sets do not have this feature.
Bottom line: It's up to you...any of the 90 versions would make an excellent receiver for you.
One more thing: Bear in mind that no matter which 90 you get, none of them will tune above 1510-1520 kc or much below 550 kc! So if you have a favorite AM station on, say, 1590 kc, you won't receive it on a 90.
However, if you live in an area of low signal strength and don't mind keeping one hand on the volume control knob while tuning, the "normal-maximum" switch in the early 90 can be beneficial to you in helping to bring in those hard to get signals. By placing this switch in the "max" position, it increases the sensitivity of one of the IF stages. The other 90 sets do not have this feature.
Bottom line: It's up to you...any of the 90 versions would make an excellent receiver for you.
One more thing: Bear in mind that no matter which 90 you get, none of them will tune above 1510-1520 kc or much below 550 kc! So if you have a favorite AM station on, say, 1590 kc, you won't receive it on a 90.
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Ron Ramirez
Ferdinand IN
