I hooked up the Altec/Great Plains 902's in place of the JBL 2446's.
And slightly (hah!) different horns.Same 1200Hz crossover. Same, 111 dB efficiency.
The Stenway Grand I was listening to became a tinkly upright and the voice went from warm and rich to nasal. Okay, that's an overstatement but the 2" format and great big horn creates an utterly different sound.
Money can't buy happiness but it sure does control good sound!