Fwd: SX-111 Mark 1 info

[Steve Harrison]

At 12:42 PM 11/22/98 EST, Matt Stutterheim wrote:

>Chuck Dachis' book shows that 6BY6  are used for both product detector and
and
>mixer.
>No 6bz6 at all

Somebody likely replaced the original 6CD6 RF Amp with the 6BZ6 for hotter
performance, ala the Heath SB300/301s.

73, Steve Ko0U/1

>total 14 tubes
>
>5y3 rect
>oa2 voltage reg
>6aq5 audio output
>12ax7  first audio and bfo
>6au6 crystal osc/calibrator
>12at7  2nd conv osci
>6ba6 2nd mixer
>6c4 first conv osc
>6bj7 avc and detector and noise lim
>6by6 mixer
>6by6 prod det
>6cd6 (qua 3) 50.75 khz, 1650 khz if stages and rf amp)

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