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SPECIFICATION
Creek OBH 21/21SE
STANDARD
Headphone Amplifier
OUTPUT POWER > 10 mW into 30W to 300W loads
HEADPHONE IMPEDANCE
THD < 0.01% at 1 kHz
SIGNAL TO NOISE RATIO > 70 dB
POWER CONSUMPTION < 4VA
POWER SUPPLY 24V DC 150 mA
DIMENSIONS 180 x 100 x 66mm (7.4 x 4 x 2.6 “)
WEIGHT 570 gms (20 ozs)
SPECIAL EDITION
OUTPUT POWER
HEADPHONE IMPEDANCE
THD
SIGNAL TO NOISE RATIO
Operating
POWER CONSUMPTION
POWER SUPPLY
Instructions
DIMENSIONS
WEIGHT
Thank you for purchasing the OBH 21/21SE headphone amplifier.
You are now in possession of a state-of-the-art product. The
functions and operation of the OBH 21/21SE are extremely simple.
The following notes are provided to explain all aspects of its design
WARRANTY
and use.
If within two years of the purchase date your OBH product proves to
be defective for any reason other than accident, misuse, neglect,
The OBH 21 is a miniature audio amplifier, designed specifically to
unauthorised modification or fair wear and tear, Creek Audio Ltd
drive two pairs of low to medium impedance (30W to 300W)
will, at its discretion, replace the faulty parts without charge for
headphones from a line level source. The OBH 21SE is a high end
labour or return carriage within the U.K.This warranty is valid only
version using more expensive components. It is more efficient to
within the U.K. and given in addition to statutory rights. Service
have a small amp do this rather than waste the power of a full size
enquiries outside the U.K. should be addressed first to the
one when only driving headphones.
supplying dealer and or Creek distributor/importer. Warranties
granted in these countries are entirely at the discretion of the
The OBH 21 and 21SE are compatible with any source at line level.
distributor.
For example the average output level of a CD player can be
connected directly to the input of the OBH 21/21SE just as it could
Creek Audio Limited
also be used in conjunction with a stand-alone pre-amplifier or
12 Avebury Ct, Mark Road, Hemel Hempstead HP2 7TA England
integrated amplifier which doesn’t have a headphone socket.
Telephone: +44 (0) 1442 260146 Fax: +44 (0) 870 622 0846
E-mail: info@creekaudio.com Web: www.creekaudio.com
30W to 300W
> 10 mW into 30W to 300W loads
30W to 300W
< 0.005% at 1 kHz
> 70 dB
< 6VA
24V DC 250 mA
180 x 100 x 66mm (7.4 x 4 x 2.6 “)
570 gms (20 ozs)