Rev 1.0
OBH-21mk2
Headphone Amplifier
Instruction Manual
Page 1: ...Rev 1 0 OBH 21mk2 Headphone Amplifier Instruction Manual ...
Page 2: ... and high output current capability It is also possible to use it as an active pre amp with a single input and variable output The OBH 21mk2 will amplify any line level analogue signal For example a CD player DAC or many other signal sources can also be connected directly to the OBH 21mk2 s input It can also be used in conjunction with a stand alone pre amplifier or integrat ed amplifier which has...
Page 3: ... positive pin for connection to a custom Creek OBH Uni type power supply adaptor On the front panel there two 6 3mm 1 4 inch sockets for plugging in the headphones INSTALLATION AND OPERATION Connect the OBH Uni power supply adaptor to the mains sock et Find a suitable place for the OBH 21mk2 and plug the DC power lead into the rear panel DC jack socket Connect a pair of high quality interconnect c...
Page 4: ...the OBH 21mk2 needs a power source 24 Volts DC 500 mA A Creek OBH Uni cus tom power supply is included to run it which must be connected to the unit via the DC inlet 2 1mm positive centre pin power jack on the rear panel The OBH Uni power supply adaptor should be plugged into a suitable mains socket which should be matched for the voltage of the country of use The OBH Uni comes with 3 different co...
Page 5: ...o 20 kHz 0 5V into 68 Ohms PRE AMP THD 0006 20 Hz to 20 kHz SNR 116dBA ref 1V 107dBA at 12 5dB gain CROSSTALK 80dB 10Hz 20 kHz Line out 60dB headphone out 33 Ohm GAIN SETTINGS 0dB 6dB 10dB and 12 5dB PRE AMP ATTENUATION SETTINGS 0dB and 6dB POWER CONSUMPTION 6 Watts at max power OBH UNI POWER SUPPLY 24V DC 12 Watts max 0 5 Watts standby SIZE including knob and sockets 180mm x 95mm x 60mm 7 x 3 75 ...
Page 6: ...Creek Audio Ltd 12 Avebury Court Mark Road Hemel Hempstead Hertfordshire HP2 7TA England www creekaudio com info creekaudio com 44 0 1442 260146 ...
