Beyerdynamic a20

Predam sluchatkovy zosilnovac beyerdynamic a20. Vhodny k vysokoimpedančnym sluchatkam ako beyerdynamic dt9xxx,dt8xx,dt7xx,t90,t1,t70,sennheiser hd800,hd800s,hd600,hd650,hd700. Všetko čo ma vyssiu impedanciu ako 100ohm.kupovany v muzikeri,už bez zaruky.
Opamp mc33078
Input impedance: 25 kΩ
Output impedance: 100 ohm
Maximum amplification: 18 dB.
Frequency response: 10 Hz - 100 kHz (-1 dB)
Power consumption: < 10 W via integrated switching power supply.
T.H.D.: 0.01% at 170 mW / 250 Ω
Frequency response: 18 - 22,000 Hz.
Signal-to-noise ratio: > 100 dB (unweighted)
100mw 600ohm
170mw 250ohm
150mw 30ohm