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CREEK OBH-22 PASSIVE PRE-AMP

more products by Creek Audio

Ref. Code: CR/OBH22

£337.98 inc. VAT

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CREEK OBH-22 PASSIVE PRE-AMP
Supplied with Creek OBH-Uni power supply and SRC1 remote handset

The OBH-22 is purely passive and does not introduce any gain or distortion into the signal path. It is therefore suitable to be used as a control pre-amplifier, provided the sensitivity of the power amplifier that is being used is high enough to be driven directly from the source. i.e. Turntable, CD player or tuner etc
  
 
The function of the Creek OBH-22 passive pre-amplifier is to provide input selection and volume adjustment to a Hi-Fi system from an armchair, via infra-red remote control. The unit can also be controlled directly from the front panel.

The OBH-22 consists of a high quality motorised volume potentiometer, and two stereo relays which select the desired inputs plus tape output, together with a muting relay that can short the signals to ground.

A built in micro-controller decodes the infra-red signals transmitted by the handset and translates them into commands which activate the motorised potentiometer and the muting and input selection relays.

After each operation, the micro-controller turns itself off to avoid any possibility of interfering with the main music signal. LED's are used to indicate the status and mode of operation.

 

The OBH-22 is purely passive and does not introduce any gain or distortion into the signal path. It is therefore suitable to be used as a control pre-amplifier, provided the sensitivity of the power amplifier that is being used is high enough to be driven directly from the source. i.e. CD player or tuner etc...

The volume control can be operated manually at any time, whether the OBH-22 is powered or not, but without power only Line 1 can be utilised.

 

 

 

Technical Specifications

Input Impedance < 20k Ohm
Output Impedance 0 - 20k Ohm
Separation > 80 dB's @ 1kHz
Attenuation 0 - 90 dB's
Inputs 3 Stereo pairs, inc Tape
Outputs 2 Stereo pairs, 1 fixed, 1 variable
Relay Muting Factor > 90dB's
Weight 600g with OBH-Uni power supply
Size W/H/D 150 x 100 x 66mm
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