Creek Audio OBH22 - Manual

Creek OBH-22 Creek OBH 22
SPECIFICATION
Passive Pre-Amplifier
Input Impedance < 20 kW
Output Impedance 20 kW
Separation > 80 dB's @ 1kHz
Attenuation 0 - 90 dB's
Inputs 3 Stereo pairs, inc Tape
Ouputs 2 Stereo pairs, 1 fixed, 1 variable
Relay Muting Factor > 90dB's
Operating
Power requirements 24v @ 60 mA
Instructions
Power Consumption 2W max
DC Connector Type 2.1 mm female DC jack
Input & Mute indication 2 LED
Size mm 150 x 100 x 66
Thank you for purchasing the OBH 22 Infra-red remote control passive Pre-Amp.
inches 6” x 4” x 2 1/2”
You are now in possession of a State of the Art product. The functions and operation of
Weight 610 g, 1.3 lb
the OBH 22 are extremely simple. However, the following notes are provided to explain
all aspects of its design and use.
OVERVIEW
The function of the OBH 22 is to provide input selection and volume adjustment to your
WARRANTY Hi-Fi system from your armchair, via infra-red remote control. The unit consists of a high
quality motorised volume potentiometer, and two stereo relays which select the desired
If within two years of the purchase date your OBH product proves to be defective input and tape output, together with a muting relay that can short the signals to ground.
for any reason other than accident, misuse, neglect, unauthorised modification
or fair wear and tear, Creek Audio Ltd will, at its discretion, replace the faulty
A built-in micro-controller decodes the infra-red signals transmitted by the handset an
parts without charge for labour or return carriage within the United Kingdom. translates them into commands which activate the motorised potentiometer and the
muting and input selection relays. After each operation, the micro- controller turns itself
This warranty is valid only within the United Kingdom. and given in addition to off to avoid any possibility of interfering with the main music signal.
statutory rights. Service enquiries outside the United Kingdom. should be
addressed first to the supplying dealer and or Creek distributor/importer.
LED’s are used to indicate the status and mode of operation.
Warranties granted in these countries are entirely at the discretion of the The OBH 22 is purely passive and does not introduce any gain or distortion into the
distributor. signal path. It is therefore suitable to be used as a control Pre-Amp, provided the
sensitivity of the power amp that is being used is high enough to be driven directly from
the source. i.e. CD or Tuner etc.
Creek Audio Limited The volume control can be operated manually at any time, whether the OBH 22 is
12 Avebury Ct, Mark Road, Hemel Hempstead HP2 7TA England powered or not, but without power only Line 1 can be utilised.
Telephone: +44 (0) 1442 260146 Fax: +44 (0) 870 622 0846
E-mail: [email protected] Web: www.creekaudio.com