Heil Sound Pro7BK HC-7 Professional Boom Mic Headphones



Pro7BK: The Pro-7 offers a feature set that compliments the Heil Sound standard for headset design. Unlike copies of various aviation type headsets, the PRO-7 is not a copy. It brings new technology to the headset industry. The 2″ thick gel foam ear pads provide extreme comfort for extended periods of time while exhibiting passive noise reduction rated at -26dB, ideal for use in high ambient noise environments. Using technology Bob Heil learned from Paul Klipsch back in the early 70’s, the ear cup enclosures were tuned to the free air cone resonance of the speaker cone thus providing very low distortion with maximum voice articulation providing the ultimate sound reproduction for communications. The exclusive Heil Phase Reversal system (HPR) allows you to acoustically move the signals forward and creates a spatial widening of the sound field. This feature makes it easier to pull a weak signal from a pileup – useful for DXPeditions and contests as well as a stress reliever as your change the phase angle of the program source. A speaker balance control allows preferred level between the speakers.
The PRO-7 has interchangeable microphone system allows the microphone element to be easily changed in the field for different types of applications. The low distortion Dynamic HC-7 element exhibits a frequency response of 100 Hz – 12 kHz with the -3dB points at 100 Hz and 12 kHz. The traditional Heil speech articulation rise is centered at 2K -4KHz with properly balanced highs and lows. The impedance is 600 ohm. The HC-7 is one of our best microphone elements for speech articulation.
Adjustable stainless steel headband
Specially designed foam-gel ear pads provide 26 dB PNR outside noise reduction – an space set of ear pads are included
Washable cotton cloth ‘booties’ cover the ear pads
40 mil high-response speakers produce extremely clear voice articulation
Acoustically dampened speaker enclosure
Negative 3dB points set at 80 Hz to 12 kHz
Speaker balance control adjusts level between the two speakers
Full Stereo, two channel reception, perfect for Dual-Watch receiving systems
Military spec cable system using 6-pin mini XLR and fiber reinforced cable
Connects to standard Heil headphone adapters
Two types of military grade cables are included; straight and coiled
Detachable cables with comfortable ‘Soft Touch’ in-line 2 in. diameter PTT
1 in. thick, 6-section foam headband for maximum comfort
Heil’s EXCLUSIVE Speaker Phase reversal helps to ‘dig out’ the weak signals
Generating Element Pro-7: Dynamic
Pro-7 iC: iC Electret
Frequency Response Pro-7: 100 Hz – 12 kHz
Pro-7 iC: 35 Hz – 12 kHz
Polar Pattern Pro-7: Heil Cardioid
Pro-7 iC: Cardioid
Impedance Pro-7: 600 Ohms
Pro-7 iC: 1.5k Ohms
Output Level Pro-7: -57 dB @ 1 kHz
Pro-7 iC: -48 dB @ 1 kHz
Weight: 17oz

Note: PRO 7. Requires Heil AD-1 Series adapter cable to fit your particular radio.