background image

7

Bottom view

Bottom view

DIP switches

ON

1 2

DIP Switch

12

Factory setting.

I

F R B

Summary of Contents for Phonitor se

Page 1: ...one Amplifier VOLTAiR 120V DC Audio Rail Digital Analog Optic Coax USB C 2 C 1 Off CROSSFEED INPUT VOLUME ON Digital Phonitor se User Manual Headphone Amplifier This User Manual is optimized for Acrob...

Page 2: ...Phonitor se an outstandig device in terms of dynamic range signal to noise ratio and headroom deliver ing an exceptional sound experience with invincible serenity transparancy and realness Phonitor se...

Page 3: ...traditional headphone preamplifier 12 How does the Phonitor Matrix work 13 Angle 14 Crossfeed 15 Phonitor Matrix presets 16 Source selection 17 Headphone output 18 DIP switch 19 Level increase of the...

Page 4: ...delivery You can also download the Quickstart here By pressing the Button you get to the table of contents By pressing the Button you get to the front view of the unit By pressing the Button you get...

Page 5: ...eadphone Amplifier VOLTAiR 120V DC Audio Rail Digital Analog Optic Coax USB C 2 C 1 Off CROSSFEED INPUT VOLUME ON Digital Standby 1 Power LED 7 Input Selection 4 Crossfeed C1 Off C2 3 Headphone Output...

Page 6: ...T T ENT ION USB OPTICAL COAX Phonitor se Voltage Selection 1 Remove Fuse Holder 2 Exchange Fuses 3 Flip Over 4 Reinstall Fuses 230 V T 315 mA L 250V 115 V T 630 mA L 250V 115 V AC 230 V AC 50 Hz 60 Hz...

Page 7: ...7 Bottom view Bottom view DIP switches ON 1 2 DIP Switch 12 Factory setting I F R B...

Page 8: ...s that of semiconductor operational amplifiers VOLTAiR Technology reaches outstanding technical and sonic performances Technically especially in terms of dynamic range and headroom and sonically espec...

Page 9: ...e operating level the higher the maximum level a circuit can handle And since virtually all essential acoustic and musical parameters depend on this relation a higher operating voltage also has a posi...

Page 10: ...mance in regard to maximum level and dynamic range that is twice that of common components and circuits given that its values are approximately 12 dB higher THD measurements show a difference of more...

Page 11: ...ed fre quency range this applies to the left speaker accordingly Right loudspeaker Left loudspeaker It arrives later because the signal travels a distance of approx 340 meters per second and the dista...

Page 12: ...signal red line and the left ear only perceives the left signal green line The delayed and quieter signal of the respective opposite side is miss ing This unnatural sound irritates the ear and is str...

Page 13: ...a speaker playback Because time and level differences are set like real loudspeaker place ment the brain is able to correctly identify the direction of the sound You can perceive a speaker like listen...

Page 14: ...level and time differences The time difference relates to the standard stereo speaker placement of 30 The Phonitor se offers two crossfeed settings to create the interaural level difference Angle The...

Page 15: ...difference are frequency corrected because the sound is reflected and absorbed by the head in a non linear fashion 10 0 0 2 0 4 0 6 0 8 1 100 1k 10k Hz Frequency corrected level difference at Crossfe...

Page 16: ...C 1 Off CROSSFEED INPUT VOLUME Digital Phonitor Matrix Phonitor Matrix presets The Phonitor se offers two presets The Speaker Angle is fixed to 30 For the Crossfeed there are two settings C1 and C2 T...

Page 17: ...the analog input is expanded by USB coaxial and optical digital stereo inputs 11 Select the analog or digital audio source by using the INPUT switch 4 You can select an digital audio source USB coaxi...

Page 18: ...protect the headphone power amplifier stage and guarantee a long and consistent performance please note Turn down VOLUME before swapping headphones Never insert a mono jack plug into the front panel s...

Page 19: ...the headphone output can be increased Level increase of the headphone output By using the DIP switch 1 you can increase the level of the headphone output to better feed power hungry headphones DIP swi...

Page 20: ...DAC 768xs sample rates Coaxial SPDIF RCA sample rates PCM kHz 44 1 48 88 2 96 176 4 192 Optical TOSLINK F06 sample rates PCM kHz 44 1 48 88 2 96 with Glass fibre 1m 176 4 192 kHz USB B PCM sample rate...

Page 21: ...circuit might damage the headphone amplifier 6 35 mm TRS connector Pin wiring Tip Left ring right sleeve GND Source impedance 0 18 ohm Damping factor 40 180 Frequency range 3 dB 10 Hz to 300 kHz Cross...

Page 22: ...ating voltage for DAC768xs 7 V 3 3 V Power supply Mains voltage switchable 230 V AC 50 Hz or 115 V AC 60 Hz Fuses 230 V T 315 mA 115 V T 630 mA Power consumption max 30 VA Stand by power consumption 0...

Page 23: ...electronics GmbH This document is the property of SPL and may not be copied or reproduced in any manner in part or fully without prior authorization by SPL Sound Performance Lab SPL continuously striv...

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