This circuit for headphone listening and crystal detection with an amplifier tube was found on a Radio Craft from 1948. Note the use of a loudspeaker which must be high impedance.
1-tube Crystal Radio (T1308E)
- Details
- Written by: Newton C. Braga
This circuit for headphone listening and crystal detection with an amplifier tube was found on a Radio Craft from 1948. Note the use of a loudspeaker which must be high impedance.
