M2 line out

[geldo79]

Hi,

I have a question concerning line out on a M2. On my old old M2 (1953) (which has a field coil speaker) there is a line out which simply
connects the voice coil of the amp to a line out jack. By plugging in the jack, the voice coil from the internal speaker gets disconnected.

Thus, I can use the internal speaker when nothing is plugged in, and an external speaker when a jack is plugged in. Is this the correct way?
Is it ok that the field coil of the internal seaker is connected to the amp (AO-14) in both situations?

Second question: There is no dummy load (resistor) of 8 ohm when a jack is plugged in. I never had problems with that. But I've heard that this could
kill the amp. But I used this setup for years and nothing happened. Should a resistor be installed anyway?

Greetings Christian

[jdoc]

the line out for another speaker fine, line out for into another amp signal is too hot, filed coil will be fine, not cut out by jack, needed for load on amp.

[geldo79]

OK. Thanks. So, even if I would only use an external amp, the connection from the amp to the field coil is needed? That is no problem for me as I am not planning to remove the speaker.

[jdoc]

Field coil always stays connected, part of the amp load in layman's terms, it must be replaced by a bigass resistor if the speaker is removed, or by just the coil itself.:-)