Speaker Klangfilm field coil full range telefunken siemens speaker vintage 15" tested data as per pictures with  Power Transformer original Vintage and rectifier tube power supply. Ultra rare Green cone very good (no damages , no cuts)

Vintage Speaker klangfilm Field Coil Full Range with Full Butterfly collar suspensions , with handle
Vintage original Horn Loudspeaker for Vintage Opera Hall Theater
Heavy Speaker ! weight is 29 kilos

This speaker was employed in Vintage Cinema Hall in the 1930's with Power Tube Amplifier with Direct Heater Triode ( DHT ) SE or Push-Pull connected. This Horn suit perfectly with Your vintage vacuum tube amplifier system Project like Klangfilm or Telefunken diagram scheme.
This speaker is fully original vintage in great conditions for the age

I will ship with a full strong panel to protect cone and a lot of anti-shook material to protect it in the proper way, do not worry about it, your shipping will be safe

Please refer to last picture for wooden plate already mounted for best protection

Dimensions = 15 " inches ( 38 centimeters)
cinema kino Klang 1930's Sweet sound 15 inches Dimension diameter