Wayne Parham Messages: 18784 Registered: January 2001
Illuminati (33rd Degree)
The difference between the Delta 12 and 12LF is just the electro-mechanical specs. The 12LF suited me better, so I used it.
The response is smooth and flat out (within +/-1.5dB) to 2kHz, well above the crossover point. I am very happy with the amplitude response of the Delta12LF - If there's anything I would improve it would be flux modulation. The Delta 12LF has a traditional ferrite motor with no shorting ring. The upgraded TD12S driver has a shorting ring, and that's what makes it better, not the amplitude response.