DG’s Practical Notes, R#12 Lafayette HE-30 et al., 1960-1966 (9R-59, JR-101, KT-320, HA-230, KT-340)

DG’s Practical Notes
© 2021-2023 Daniele Giacomini, [email protected]
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======== Content of this video ========
(00:00) - Front cover
(00:20) - ⚠ Warning
(00:30) - Table of context
(00:50) - Introduction
(02:26) - Original documentation and schematics
(03:21) - Safety first
(05:25) - Caution with the tube retainers
(06:06) - The paper capacitors should be replaced
(06:46) - The filter capacitors
(08:21) - Q Multiplier and SSB oscillator (BFO)
(12:02) - Dial
(13:37) - I.F. alignment
(15:48) - Visual alignment
(17:03) - BFO alignment
(17:51) - R.F. alignment
(23:27) - The cabinet
(24:22) - Screws
(24:43) - Casualties
(24:48) - Reveal
(34:30) - Back cover
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Original full title: «DG’s Practical Notes, R#12 Lafayette HE-30 et al., 1960-1966 (Trio 9R-59, JR-101, Lafayette HE-30, KT-320, HA-230, KT-340)»

Tags: vacuum tubes, antique radios, old radios, vintage radios, old electronics, vintage electronics, vacuum tube equipment