SPL Phonitor se User manual

Professional Fidelity

Mastering Grade Listening

Phonitor se Headphone Amplifier

VOLTAiR

120V DC Audio Rail

Digital

Analog Optic

Coax

USB

C 2

C 1

Off

CROSSFEEDINPUT

Digital

Phonitorse – User Manual

Headphone Amplier

This User Manual is optimized for

Acrobat Reader.

Interactive buttons may not

appear in other applications.

Welcome

and thank you for purchasing the Phonitorse.

The Phonitorse is our entry model into the world of VOLTAiR headphone amplifiers. The Phonitor se has the same

audio signal amplification as its bigger brothers Phonitor x and Phonitor xe and therefore offers the same sound

experience. The DACxs is optionally available.

VOLTAiR technology is what we also call the SPL V Rail Technology within the Professional Fidelity series. This

makes the 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 Headphone Amplifier

VOLTAiR

120V DC Audio Rail

Digital

Analog Optic

Coax

USB

C 2

C 1

Off

CROSSFEEDINPUT

Digital

RISK OF E LECTRI C SHOCK

DO NOT OPEN

CAUTION

RISQUE DE CHOC ÉLECTRIQUE

NE PAS OUVRIR

ATTENTION

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, P ma x. 30 W

Made in Germany

Content

Getting started 

Front view 

Rearview 

Bottom view 

DIP switches 

VOLTAiR – V Rail Technology 

Comparisons 

Phonitor Matrix 

Basics of stereo listening 

Stereo listening with an “traditional“ headphone preamplifier 

How does the Phonitor Matrix work? 

Angle 

Crossfeed 

Phonitor Matrix presets 

Source selection 

Headphone output 

DIP switch 

Level increase of the headphone output 

Specifications 

Inputs 

Outputs 

Internal operating voltages 

Power supply 

Dimensions (incl. feet) 

Weight 

Important Notes 

Declaration of CE Conformity 

Getting started

Read thoroughly and follow the instructions as well as the security advices of the Quickstart

which is enclosed in the scope of 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 to the rear view of the unit.

By pressing the -Button you get to the bottom view of the unit.

By pressing the -Button you get to the previous content.

Front view

Phonitor se Headphone Amplifier

VOLTAiR

120V DC Audio Rail

Digital

Analog Optic

Coax

USB

C 2

C 1

Off

CROSSFEEDINPUT

Digital

Standby

Power LED

Input Selection 4Crossfeed C/Off/C 3Headphone Output

Volume 5

Digital Source 6

Rearview

optional

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION

RISQUE DE CHOC ÉLECTRIQUE

NE PAS OUVRIR

ATTENTION

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, P max. 30 W

Made in Germany

Digital Audio Inputs

Mains Switch 8

Mains Voltage 9Analog Audio Input

Bottom view

DIP switches

DIP Switch 12

Factory setting.

VOLTAiR – 120V Rail Technology

VOLTAiR – V Rail Technology

VOLTAiR is the synonym for our V Rail Technology within the Professional Fidelity series. The audio signals are

processed with an unequalled +/-V DC, which corresponds to twice that of discrete operational amplifiers and

four-times that of semiconductor operational amplifiers.

VOLTAiR Technology reaches outstanding technical and sonic performances. Technically especially in terms of

dynamic range and headroom and sonically especially in reproducing the finest details and delivering a totally

relaxed sounding audio experience. Music sounds absolutely natural.

SPL’s V Rail Technology is the internal audio processing voltage (+/- V DC).

It is not to be confused with the external mains voltage (e.g. V or V AC).

VOLTAiR – 120V Rail Technology

Comparisons

These diagrams show how our VOLTAiR Technology compares to other circuits.

The direct relation between operating level and maximum level is fundamental for the classification: the higher

the 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 positive impact on the

dynamic range, distortion limit and signal-to-noise ratio.

100

120

Volt

30 V

120 V

+ / -  Volt + / -  Volt

Operating Voltage

120

125

130

135

140

145

124,2

141,4

OPA @ V SPL- OP@ V

Dynamic Range

VOLTAiR – 120V Rail Technology

Do bear in mind that dB scales do not represent linear but rather exponential increases. A dB increase corresponds

to doubling the acoustic power, +dB correspond to twice the sound pressure level, and +dB correspond to twice

the perceived loudness.

When it comes to volume, the VOLTAiR Technology exhibits a performance, in regard to maximum level and dynamic

range, that is twice that of common components and circuits given that its values are approximately dB higher.

THD measurements show a difference of more than dB compared to the TL at V — in terms of sound pres-

sure level, that corresponds to an improvement of more than %. The operating level most commonly used for

audio equipment is +/-  volts.

Max. Audio Level

OPA @ V SPL- OP@ V

dBu

21,5

33,2

TL @ V SPL-OP@ V

-115

-113

-111

-109

-107

-105

dBu

-106

-114,2

THD&N

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