SM PRO AUDIO HP12E HP12E headphone amplifier Manual V1.
SAFETY INSTRUCTIONS CAUTION: To reduce the risk of electrical shock, do not remove the cover or rear panel of this unit. No user serviceable parts inside. Refer servicingto qualified personnel only. All safety and operation instructions of this manual should be read and adhered to before operating this equipment. Retain Instructions: Please retain all safety and operating instructions for future reference. Follow Instructions: All operation and user instructions should be followed.
FOREWORD SM PRO AUDIO HP12E Dear Customer, Thank you very much for expressing your confidence in SM Pro Audio products by purchasing this unit. The HP12E is a solid “workhorse” headphone amplifier designed for home, project, and professional studios, live sound contractors, rental companies, repair centers, schools, and fixed installations—in short, virtually any and all venues where audio products are used.
SM PRO audio HP12E FEATURES • 2 x 1/4” TRS inputs • 2 x XLR inputs • 2 x 1/4” TRS link outputs • 12 x 1/4” headphone outputs via six class A stereo headphone amplifiers • Selectable source input per channel • Rotary volume control per channel • Nominal output 680mw per channel into 32ohm • Frequency response 20Hz – 20kHz ±0.
HP12E FRONT panel Each of the six independent amplifiers in the HP12E features a rotary level control, an A/B source selector switch, and two 1/4” (6.5mm) TRS headphone output jacks. SM PRO AUDIO hp12E 4.1 Source Selector Switch Use this switch to select the input source you wish to monitor, A or B. Input A is the unbalanced rear-panel input and input B is the XLR balanced input. 4.2 Headphone Output Connectors Connect your headphones to these outputs.
HP12E REAR panel The HP12E’s rear panel features dual left/right 1/4” (6.5mm) TRS inputs, left/right 1/4” TRS link outputs, left/right balanced XLR input, AC power input, and a voltage selector switch. 5.2. Input Channel B The left and right 1/4” TRS inputs can accept either balanced or unbalanced sources. The left and right XLR signals accepted balanced line-level signals.
Using the hp12e • Make sure the HP12E is switched OFF and that all of the output levels controls are set to minimum (fully counter-clockwise) before connecting any headphones to the unit. SM PRO AUDIO Hp12e • Check that the correct voltage for your location has has been selected on the . HP12E rear panel before powering the unit ON. • Connect an audio signal to either inputs A or B on the HP12E’s rear panel, and your headphones to one of the outputs on the front of the unit.
warranty cont’. • Repairs and modifications performed by unauthorized personnel will void the warranty • Products that do not meet the terms of this warranty will be repaired solely at the buyer's . expense. SM Pro Audio will inform the buyer of any such circumstance. If the buyer fails to submit a written repair order within 4 weeks after notification, SM Pro Audio will return the unit C.O.D. with a separate invoice for freight and packing.
