Avoid anything with thin, “shiny” lugs & surfaces, and instead favor the thicker, duller-hued lugs.

Jacks

Mono only

Switchcraft-type

  • #11
  • 2 connectors: tip (signal) and ring (ground)
  • Insulated (isolated) bushing: No (requires a shoulder & insulating washer where applicable)
Switchcraft #11 mono input/output jack. Note the dull-hued finish, thicker lugs, and quality thread machine work.

Cliff-type

  • Used in Marshalls and other amps
  • Insulated bushing: Yes
A mono Cliff jack commonly found as original equipment in Marshall amps

Switches

SPST

  • Carling

SP3T

Rotary (Ohm Selector)

What I Use

  • Switchcraft #11, although likely “switching” to Cliff-type, fully insulated.
  • Carling & NKK Switches
  • Rotary: From Amp Parts or TD