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| Creek OBH-21SE Class A Headphone Amp with OBH 2 |  | 
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FREE 3 DAY SHIPPING! (When ordering, use coupon code: free3day))
The OBH21 is a miniature audio amplifier specifically designed to drive two pairs of low to medium impedance headphones from a line level source. The OBH21SE is a high-end version using more expensive components and power supply. Don’t be fooled by the size - Creek has left nothing to chance when it comes to performance The OBH21 and OBH21SE are compatible with any source at line level.
For example, an average output level CD player can be connected directly to the input of the OBH21/21SE, just as it could be used in conjunction with a stand-alone pre-amplifier or integrated amplifier which doesn’t have a headphone output. The OBH21 is not designed to be connected to the high-level speaker output of an integrated or power amplifier. Output level is controlled by the high quality volume control on the front panel.
The OBH21 and OBH21SE are the first of the new style OBH products to be released. With slightly longer casing, these models feature a stylish aluminium front panel in a silver finishThe OBH-21SE is a class ‘A’ headphone amplifier designed to drive two pairs of headphones (from 30 ohms to 300 ohms) from a line level source. The purpose is to eliminate the use of a full size amplifier for boosting the power, if only headphones are used. An average output level CD player or Tuner can be connected directly to the input of the OBH-11, or it could also be used in conjunction with other OBH products, such as the OBH-8/9 Phono Pre-amps and OBH-12 passive Pre-amp. It would also work with a stand-alone pre-amplifier or integrated amplifier lacking headphone output, connected in the tape loop. The volume control on the front panel is designed to control the output level. The OBH-21SE has been designed with zero feedback and is fully Class’A’ for improved performance.
No expense has been spared to enable the OBH-21SE headphone amp to faithfully reproduce a music signal. Only the highest quality components are used in its unique amplifier circuitry, to achieve low distortion and noise, with good stereo separation, including Alps Blue Velvet volume potentiometer. Great care has also been taken to match the output circuitry to the special requirements of modern dynamic headphones, providing an extremely flat frequency response. Audio bandwidth is limited by input and output coupling capacitors to prevent unwanted signals damaging the headphones in use. Input and Output connections.
The OBH-21SE has two pairs of stereo phono sockets (RCA jacks) on the rear panel for input from any line level source and chain linking to another product in a tape loop circuit, together with a DC power jack for connection to a custom OBH power supply adapter. There are two 1/4" (6.3mm) stereo headphone jacks on the front panel. Power Supply requirements. A custom High Grade regulated power Supply (OBH-2) is provided to run the OBH-21SE. This must be connected to the unit via the DC inlet (2.1mm positive centre pin power jack) on the rear. A must have for all lovers of headphones!
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