User manual MUSIC HALL MAMBO

[. . . ] Heat Keep the phono preamplifier away from naked flames, radiators, heat registers, stoves, or any other heat-producing appliances (including amplifiers). 1 5. Climate The phono preamplifier has been designed for use in moderate climates. Do not attempt to use below 41 degrees Fahrenheit (5 degrees Celsius) or above 95 degrees Fahrenheit (35 degrees Celsius). 6. Racks and Stands Place the phono preamplifier on a fixed, level surface strong enough to support its weight. [. . . ] Do not place it on a moveable cart that could tip over. We recommend only using stands approved for use with audio equipment. 7. Cleaning A soft towel can be used. 8. Power Sources Connect the phono preamplifier only to a power supply of the type and voltage described in the operating instructions or specified on the rear panel of the unit. 9. Power-cord protection Connect the phono preamplifier to the power outlet only with the supplied power supply. Do not modify the supplied power supply in any way. Do not attempt to defeat grounding and/or polarization provisions. Do not route the power cord where it will be crushed, pinched, bent at severe angles, exposed to heat, or damaged in any way. 10. Non-use periods If the preamplifier is to be left unused for a long period of time, the power supply should be unplugged from the wall outlet. 11. Damage Requiring Service Stop using the phono preamplifier immediately and have it inspected by an authorized Music Hall service center whenever: 1. The power supply cord or plug has been damaged. Connect the low voltage plug from the power supply to 15V AC socket on the pa1. 2 before connecting to the mains. Plug-in and enjoy. TECHNICAL SPECIFICATIONS: THD, MM / MC <0. 01 / <0. 05% Gain, MM / MC 40dB / 60dB Input impedance, MM / MC 47kohms/120pF / 100ohms/120pF Noise floor, MM / MC 86dB / 68dB (94dB / 75dB - A weighted) Output voltage typically, MM / MC 300mV at 1KHz - 3mV (MM Input) / 0. 3mV (MC input) Max. output 9. 5V (1KHz) RIAA-equalisation curve accuracy Max. 0. 5dB/20Hz - 20KHz US: Outboard power supply 15V/300mA AC, suitable for your country's mains supply US: Power consumption 15V/30mA AC EUROPE: Outboard power supply 16V/200mA AC, suitable for your country's mains supply EUROPE: Power consumption 16V/30mA AC Dimensions (H x W x D) 52 x 107 x 152mm Weight without power supply 500g music hall reserves the right to make technical modifications. 4 TROUBLESHOOTING Music Hall phono preamplifiers are manufactured to the highest standards and undergo strict quality controls before leaving the factory. If, for some reason your phono preamplifier is not working properly, please take a few moments to review this list of potential causes. NO SIGNAL IN ONE OR BOTH CHANNELS: The phono preamplifier is not connected to the mains power supply. No connection between the phono preamplifier and amplifier. Correct input not selected at amplifier. Poor contact or broken connection between the amplifier or turnable. Amplifier or speakers defective or muted. Cartridge not wired into the head shell. Loudspeakers not connected. LOUD HUM ON PHONO INPUT: No earth connection from cartridge, tonearm, or audio cable to amplifier. [. . . ] Cartridge not wired into the head shell. Loudspeakers not connected. LOUD HUM ON PHONO INPUT: No earth connection from cartridge, tonearm, or audio cable to amplifier. Phono preamplifier too close to one or both speakers. DISTORTED SOUND FROM ONE OR BOTH CHANNELS: MM/MC switch on pa1. 2 incorrectly set. Needle or cantilever damaged. 5 SERVICE Should you encounter a problem that you cannot solve, please contact your Music Hall dealer. [. . . ]