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Summary of Contents for Trafomatic Audio Primavera
- Page 1 PRIMAVERA Headphone Amplifier www.trafomaticaudio.com Rev. 1 www.trafomaticaudio.com Rev. 1...
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Page 2: Table Of Contents
Table of Contents Table of Contents Section Page No. Section Page No. Safety Precautions Safety Precautions Getting Started Getting Started About Your Line Preamplifier About Your Line Preamplifier Packaging / Preparation for use Packaging / Preparation for use Controls and Their Functions Controls and Their Functions Front Panel Front Panel Rear Panel... -
Page 3: Safety Precautions
9) Turn-off when not using - Turn off the unit as soon as you stop actively using it. Unplug the power supply from the wall during a lightning storm or when the product is to be left unattend- ed and unused for longer periods of time. PRIMAVERA - HEADPHONE Amplifier - User Manual... - Page 5 2) Tube replacement. Vacuum tubes have life in the 5000 hour range. We recommend replac- ing the tubes after 24-36 months, depending on your listening habits. That will ensure that the preamplifier always performs at its best and tube failure will not overstress other parts of the unit. 3) Biasing the amplifier. Biasing of the Primavera is not required. SERVICE 1) Replacement Parts. When replacement parts are required, be sure that the service techni- cian uses replacement parts specified by the manufacturer or parts with the same character- istics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards.
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Page 6: Getting Started
GETTING STARTED - ABOUT YOUR HEADPHONE AMPLIFIER Your Primavera Headphone Amplifier was designed to provide a high value based on its high performance, which is a result of a carefully designed circuit and optimized component selec- tion. The design utilizes minimum number of active parts and top quality passive elements. The Primavera’s impressive output power of 9W into 50 Ohms makes it capable of driving the most demanding loads and its sound quality and striking design set it as an icon of a modern high-end audio electronics. -
Page 7: Packaging / Preparation For Use
Connect your headphones by using connectors on the front of the unit. Make sure that volume control is set to minimum position. Turn on the Primavera by using power switch located on the left side of the unit. Slowly increase volume, to make sure there are no unusual noises coming out of the head- phones. -
Page 9: Controls And Their Functions
It is possible to use different impedance setting, as that will result in slight changes in the sound. While high impedance headphones can be used with the low impedance settings; for example, 300 ohms headphones can be used with Primavera set to 50 ohms, however, it is not recommended that low impedance headphones are connected to the high impedance setting -... -
Page 11: Rear Panel
Balanced inputs (Neutrik XLR connectors) Ground lift switch (LIFT GND): in some configurations, grounding of the system can config- ure so called “ground loops”. In certain situation, this causes increased hum in the system. Ground lift switch is used to break the “ground loop” while maintaining safety afforded by proper system grounding. NOTE: never use the so called “cheater plugs” to remove ground from the system, as it creates potentially hazardous conditions. PRIMAVERA - HEADPHONE Amplifier - User Manual... -
Page 12: Servicing
SERVICING High quality parts and careful design of the Primavera ensure long and reliable operation without need for any maintenance other than that listed in the MAINTENANCE section. In an unlikely case that the unit does not operate as intended, please contact factory or your local distributor for assistance. -
Page 13: Technical Specifications
Inputs: XLR and RCA Outputs: One Neutrik 4-pin balanced connector, Two Neutrik 3-pin XLR connectors One ¼” Neutrik connector Output Power: 9W into 50 Ohm Gain: 33dB THD: 0.2%, at 0.5W and 1kHz S/N ratio: 88dB Frequency bandwidth: 10Hz (-1dB) – 80kHz(-3dB) Input voltage: 230V/50Hz – 115V/60Hz switchable Power consumption: 280VA Size (WxDxH): 340x480x240 mm Weight: 30 kg PRIMAVERA - HEADPHONE Amplifier - User Manual... - Page 14 www.trafomaticaudio.com...
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