BUILD THIS! Compact 12″ two-way PA cabinet design

The CKT-TF1225 system is a medium sized 2-way speaker design suitable for stand or floor mounting. This system comprises the TF1225 12”(300mm) bass/midrange driver and CDX1-1745 compression driver fitted with the H1-9040 horn. It is a versatile and portable system that offers good performance when used either stand-alone or with a subwoofer. The 90×40 horn ensures good coverage over a wide area.
Drivers:  TF1225, CDX1-1745 (H1-9040) 
Sensitivity: 97.5dB (2.83V/1m)
Input Impedance: 8ohms (nominal), 6.5 ohms (minimum)
Rated System Power: 400W (EIA), 1200W (peak)
LF Extension: 74Hz (-3dB), 56Hz(-10dB)
Crossover Frequency: 1.9kHz
Maximum Output Level: 123dB (Continuous), 129dB (Peak)
LF Unit Power Rating: 250W (AES)
Horn Directivity: 90deg H x 40deg V
High Pass Filter: 65-75Hz
Internal Volume: 48L
Port Tuning Frequency: 70Hz
Port Dimensions: 2 x  (Diameter 100mm x Length 60mm)
Port Options: smaller port: 2 x (95Dx49L) / larger port: 2 x (105Dx72L)
Dimensions: 654 x 388 x 320mm (H x W x D)


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