SPL Phonos Manuale utente

Professional Fidelity

Mastering Grade Listening

-10

Norm

OnOff

VOLTAiR

120V DC Audio Rail

GAIN SUBSONIC

RIAA Phono Preamplifier

Phonos

MM MC

Phonos – User manual

RIAA Phono Preamplier

Welcome

and thank you for choosing the Phonos.

Phonos is a preamplifier for record players using either moving magnet (MM) or moving coil (MC) cartridges. The

equalization curve is according to RIAA and suitable for all vinyl records since .

With up to . dB gain for MC cartridges and  dB gain for MM cartridges Phonos belongs to the most powerful

phono preamplifiers.

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

makes the Phonos an outstandig device in terms of dynamic range, signal-to-noise ratio and maximum headroom

delivering an exceptional sound experience with invincible serenity, transparancy and realness.

-10

Norm

OnOff

VOLTAiR

120V DC Audio R ail

GAIN SUBSONIC

RIA A Phono Preamplifier

Phonos

MM MC

Made in Germany

Phonos

Serial

Number

Fuses:

230 V: T 500 m A L 250V

115 V: T 1 A L25 0V

~115V AC/~230 V AC,

50 Hz/60 Hz, P max . 30 W

Voltage Selection:

1. Remove Fus e Holder

2. Excha nge Fuses

3. Flip Ove r

4. Reinst all OUTPUT

L L

AUDIO GND RECORD PLAYER

RISK OF ELEC TRIC SHO CK

DO NOT OPEN

CAUTION

RISQUEDE CHOC ÉLECTRIQUE

NE PAS OUV RIR

ATTENTION

Content

Welcome 

Getting Started 

Front View 

Rear View 

VOLTAiR – V Rail Technology 

Comparisons 

Cartriges 

Capacity (MM) 

Impedance (MC) 

Subsonic filter 

Output level 

Specifications 

Inputs and Outputs 

Filter 

Moving Magnet (MM) Preamplifier 

Moving Coil (MC) Preamplifier 

Operating Voltage 

Internal Operating Voltage 

Power Supply 

Dimensions and Weight 

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 previous content.

Front View

-10

Norm

OnOff

VOLTAiR

120V DC Audio Rail

GAIN SUBSONIC

RIAA Phono Preamplifier

Phonos

MM MC

Standby Switch

Power LED

Rear View

Made in Germany

Phonos

Serial

Number

Fuses:

230 V: T 500 m A L 250V

115 V: T 1 A L 250V

~115 V AC/~230 V AC,

50 Hz/60 Hz, P max. 30 W

Voltage Selection:

1. Remove Fuse Holder

2. Exchange Fuses

3. Flip Over

4. Reinstall OUTPUT

L L

AUDIO GND RECORD PLAYER

RISK OF E LECTRI C SHOCK

DO NOT OPEN

CAUTION

RISQUE DE CHOC ÉLECTRIQUE

NE PAS OUVRIR

ATTENTION

Record Player Input

Mains Switch 12

Mains Voltage 11 Record Player Ground

Audio Output

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.

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 36 V

120 V

+ / -  Volt + / -  Volt + / - Volt

Operating Voltage

120

125

130

135

140

145

dBu

124,2

129,1

141,4

OPA @ V OPA @ V SPL-OP@ V

Max. Audio Level

VOLTAiR – 120V Rail Technology

Do bear in mind that dB scales do not represent linear but rather exponential increases. A dB increase corre-

sponds to doubling the acoustic power, +dB correspond to twice the sound pressure level, and +dB corre-

spond 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 OPA 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.

Dynamic Range

OPA @ V OPA @ V SPL- O P@ V

dBu

21,5 22,5

33,2

TL @ V OPA @ V SPL- OP@ V

-115

-113

-111

-109

-107

-105

dBu

-106

-111,7

-114,2

THD&N

Cartriges

Phonos is a preamplifier for record players using either moving magnet (MM) or moving coil (MC) cartridges.

• Choose the right setting regarding your cartridge with the Cartridge Switch ().

Capacity (MM)

Choose the right setting regarding the capacity of your MM cartridge with the CAPACITANCE

switch ().

If you do not know the right setting for your record player, start with capacity = OFF. If you

increase the value you will receive a higher tone.

Impedance (MC)

Choose the impedance for your MC cartridge with the IMPEDANCE switch ().

If you do not know the right setting for your record player, start with an impedance of

ohms. If you increase the value you will receive a higher tone.

-10

Norm

OnOff

VOLTAiR

120V DC Audio Rail

GAIN SUBSONIC

RIAA Phono Preamplifier

Phonos

MM MC

-10

Norm

OnOff

VOLTAiR

120V DC Audio Rail

GAIN SUBSONIC

RIAA Phono Preamplifier

Phonos

MM MC

-10

Norm

OnOff

VOLTAiR

120V DC Audio Rail

GAIN SUBSONIC

RIAA Phono Preamplifier

Phonos

MM MC

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