• 6.5" bass/midrange

• Progressive wave diaphragm, double coated front and back side

• Undercut T pole with thick copper ring below and thick aluminum ring above

• Patented Intercooler system for low temperature and long life

The PHL 1370 is a 16 ohm version of the PHL 1360. It is perfect for dual woofer MTM systems because system impedance is 8 ohm. It produces a nice easy load for SET tube amplifiers. For best performance use a 15 liter vented enclosure for -3dB at 60 Hz. The 60 Hz. port tube is 3" diameter by 7" long. 100 watt amplifier = 111 dB.