What were the most commonly used IF frequencies for 405 TV?

[Geordie McBoyne]

After 1955 the recommended IF frequencies were 34.65Mhz vision and 38.15Mhz sound. A few firms including Masteradio did continue to use 16.5 and 19.5Mhz. Post-war superhet TVs had intermediate frequencies determined on what what circuit designer thought was fit for at the time.

Geordie McBoyne.