QP
®
AD QH-85
P R O G A M I N G P R E M I U M H E A D S E T
TEC HNICA L SPECI FI CATION
Earp hone
Transducer type..............................
Operating principle..........................
Frequency response.........................
Nominal impedance.........................
Nominal SPL..................................
T.H.D ..........................................
Power handling capacity....................
Sound coupling to the ear...................
Ambient noise attenuation.................
Headband pressure.........................
Earphone (w/cable) Weight................
Cable length and type.......................
Connection ...................................
Micr o phone
Transducer type..............................
Operating principle..........................
Polar Pattern.................................
Power supply..................................
Supply voltage.................................
Current consumption........................
Nominal impedance.........................
Open circuit voltage at f = 1 kHz...........
Frequency response.........................
T.H.D ...........................................
Max. SPL.......................................
Microphone output...........................
Length mic boom.............................
Capsule diameter.............................
Connection....................................
Dynamic Ø53mm
Open
15Hz-25KHz
60 Ω per system
92±3dB
< 2%
150mW
Circumaural
approx.10 dBA
5 N
350g
TPE Ø4.0*1M
Mini stereo jack plug(3.5MM)
Condenser(back electret)
Pressure gradient
Cardioid
AB powering
2V
Max 0.5 mA
≤ 2.2 kΩ
20 mV / Pa
100Hz-12kHz
2% at f = 1 kHz
105dB (THD≤1.0% at 1KHz)
-39±3dB
150MM(include gooseneck)
Ø6mm
Mini stereo jack plug (3.5 mm)
6