Creek Audio OBH 15 User Manual

Creek obh 15, Phono pre-amplifier, Operating

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SPECIFICATION

Creek OBH 15

MOVING MAGNET
GAIN

37dB

Phono Pre-Amplifier

FREQUENCY RESPONSE

20 Hz to 20 kHz +/- 0.25 dB

SIGNAL TO NOISE RATIO

-83 dB

TOTAL HARMONIC DISTORTION

< 0.03%

RIAA DEVIATION

+/- 0.5%

OUTPUT

250 mV

OUTPUT IMPEDANCE

< 100 W

INPUT SENSITIVITY/IMPEDANCE

3.5 mV / 47 kW

/

220 pF

OVERLOAD MARGIN

22 dB

MATES WELL WITH MM CARTRIDGES

2.5 mV - 5 mV output

MOVING COIL
GAIN

56 dB

FREQUENCY RESPONSE

20 Hz to 20 kHz +/- 0.25 dB

SIGNAL TO NOISE RATIO

- 75 dB

TOTAL HARMONIC DISTORTION

< 0.05%

RIAA DEVIATION

+/- 0.5%

Operating

OUTPUT

250 mV

OUTPUT IMPEDANCE

< 100 W

Instructions

INPUT SENSITIVITY/IMPEDANCE

0.5 mV / 1000 W

/

3300 pF

OVERLOAD MARGIN

20 dB

MATES WELL WITH MC CARTRIDGES

0.5 mV - 1 mV output

Thank you for purchasing the OBH 15 phono pre-amplifier. You are

DIMENSIONS

150 x 100 x 66 mm

POWER SUPPLY VOLTAGE

24V DC 30 mA

now in possession of a state-of-the-art product. The functions and
operation of the OBH 15 are extremely simple. The following notes

WARRANTY

are provided to explain all aspects of its design 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 function of the OBH 15 is to boost the level and correct the

unauthorised modification or fair wear and tear, Creek Audio Ltd

frequency response of a low level signal coming from a phono pick-

will, at its discretion, replace the faulty parts without charge for

up on a conventional turntable.

labour or return carriage within the U.K.This warranty is valid only
within the U.K. and given in addition to statutory rights. Service

The signal required by most modern amplifiers is described as

enquiries outside the U.K. should be addressed first to the

being 'LINE' level, which is, in technical terms, between 200 and

supplying dealer and or Creek distributor/importer. Warranties

500 milli Volts with a flat frequency response.

granted in these countries are entirely at the discretion of the
distributor.

Unless your amplifier has a specific 'Phono' or Disc input, the level
will be too low and the frequency response will be wrong. The

Creek Audio Limited

OBH 15 is designed to boost the signal and introduce an R.I.A.A.

12 Avebury Ct, Mark Road, Hemel Hempstead HP2 7TA England

frequency response characteristic.

Telephone: +44 (0) 1442 260146 Fax: +44 (0) 870 622 0846

E-mail: [email protected] Web: www.creekaudio.com

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