If you get in the mood to try a newer amp, the First Watt F5 is supposed to be an excellent match with old Altec horn speakers.
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If you get in the mood to try a newer amp, the First Watt F5 is supposed to be an excellent match with old Altec horn speakers.
You'll want to listen with your ears somewhere near on-axis to the horns. You could lift them, or simply tilt them back a bit.
Sometimes the old caps in the crossover are bad and need replacing....