Unika RHA1
The RHA1 is a reference-grade headphone amplifier carefully developed by UNiKA and manufactured in the UNiKA factory in Taiwan. The application object of RHA1 is headphone enthusiasts, audiophiles and professional recording engineers and live concert sound man.
Circuit principle: OTL / External power supply / Discrete amplifier
Frequency response: 20Hz ~ 20KHz , ±0.2dB ( Limited by APx525’s B.W. )
THD+N @ 10mW: 0.0004%, 600 Ω@mid gain, 1KHz@20KHz B.W.
Dynamic range@: 119.5dB @220Ω load, XLR input
Input connector: A pair of NEUTRIK® Combi jack
Output connector: 6.3mm TRS phone jack
Linear gain control range: ±18dB @1dB step
Maxinum output power: 800mW
Maxihum input level: 25.5dBu
Balance input inpedance: >4KΩ
Output loading impedance: 15Ω ~ 600Ω
Power concumption: 6W/0.25A
Power supply & consumption: 24VDC / 10W
Ext. AC to DC adaptor: 90 ~ 264VAC input / 24VDC output
Type of AC plugs: includes UK / US / AU / EU
Dimension (W x D x H): 162 x 104 x 53 mm
Shipping dimension (W x D x H): 306 x 163 x 70 mm
Nett weight: 0.77kg
Shipping weight @ per unit: 1.14kg (w/carton & adaptor)
