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Trafomatic Audio Primavera, User Manual

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Trafomatic Audio Primavera User Manual Download Page 13

TECHNICAL SPECIFICATIONS:

PRIMAVERA

 - HEADPHONE Amplifier

Class of operation: 

Single-Ended DHT (class A)

Tube complement: 

2x6S45P, 2xSV811-10

Input impedance: 

47 K ohms

Input sensitivity: 

0.5Veff

Headphone output impedance: 

25 – 50 – 100 – 300 – 600 Ohms

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): 3

40x480x240 mm

Weight: 

30 kg

12

PRIMAV

ERA - HEADPHONE Amplifier - 

User Manual

Summary of Contents for Primavera

Page 1: ...www trafomaticaudio com Rev 1 www trafomaticaudio com Rev 1 PRIMAVERA Headphone Amplifier ...

Page 2: ...ontrols and Their Functions 08 Front Panel 08 Rear Panel 10 Servicing 11 Technical Specifications 12 Table of Contents Section Page No Safety Precautions 02 Getting Started 05 About Your Line Preamplifier 05 Packaging Preparation for use 06 Controls and Their Functions 08 Front Panel 08 Rear Panel 10 Servicing 11 Technical Specifications 12 ...

Page 3: ...quate wire cross section and an electrical outlet that is grounded If you do not know whether the outlet is grounded consult your electrician or local power company 6 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched Pay particular attention to cords at plugs convenience recep tacles and where they exit from the product Always use powe...

Page 4: ......

Page 5: ... to excessive smoke dust vibration or shock MAINTENANCE 1 Cleaning Unplug this product from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a dry cloth for cleaning Do not use any type of abrasive pad scour ing powder or solvent such as alcohol or benzene 2 Tube replacement Vacuum tubes have life in the 5000 hour range We recommend replac ing the tubes after 24 3...

Page 6: ...making it easy to optimize sound quality for multitude of headphones HANDLING AND REPLACING VACUUM TUBES Many people have never had experience handling vacuum tubes Process is very similar to hand incandescent light bulbs As with the light bulbs you should not touch a vacuum tube when it is operating since you can burn yourself Similarly if a tube is dropped on a hard surface it may break or chang...

Page 7: ...in the power cord Connect your audio source to the rear inputs of your Primavera You may use balanced XLR or unbalanced RCA inputs It is not recommended to use both sets of inputs at the same time If some of your sources require signal grounding turntable tonearm for example connect the wire to the grounding lug GND on the rear panel of the amplifier Connect your headphones by using connectors on ...

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Page 9: ...adphones with 300 ohm setting will results in loss of resolution and increased distortion LEFT SIDE OF THE UNIT Power ON OFF switch The switch turns the amplifier ON and OFF When turning on the amplifier make sure that the volume control is at its minimum The am plifier will be fully functional after only 30 seconds However as it warms up over the first 15 minutes of operation you may notice subtl...

Page 10: ......

Page 11: ...lanced inputs RCA connectors 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...

Page 12: ...INTENANCE section In an unlikely case that the unit does not operate as intended please contact factory or your local distributor for assistance CAUTION Lethal voltages are present inside the amplifier Do not remove the preamplifier s covers Ser vicing of the unit should be performed only by authorized service personnel 11 PRIMAVERA HEADPHONE Amplifier User Manual ...

Page 13: ...e 25 50 100 300 600 Ohms Inputs XLR and RCA Outputs One Neutrik 4 pin balanced connector Two Neutrik 3 pin XLR connectors One 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 12 PRIMAVERA HEADPHONE Amplifie...

Page 14: ...www trafomaticaudio com ...

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