SPL Director Mk2 Manuale utente

Professional Fidelity

VOLTAiR

120V DC Audio Rail

Director

Off On

TAPE MONITOR

Mute

Coax

Optic

AES

USB

Remote

DirectorMk– User Manual

DA Converter and Preamplier

This User Manual is optimized for

Acrobat Reader.

Interactive buttons may not

appear in other applications.

Welcome

and thank you for choosing the DirectorMk.

The Director Mk is the derivative of our reference preamplifier Director. The all new high voltage digital to analog

converter now supports  bit and sample rates up to kHz as well as DSD. Besides the four digital inputs

there is a total of six analog inputs – two of which are balanced with XLR connectors.

Fans of analog tape machines or external audio processing can insert their beloved gear in the Tape Monitor loop.

VOLTAiR technology is what we also call the SPL V Rail Technology within the Professional Fidelity series. This

makes the DirectorMk an outstandig device in terms of dynamic range, signal-to-noise ratio and headroom deliver-

ing an exceptional sound experience with invincible serenity, transparency and realness.

VOLTAiR

120V DC Au dio Rail

Director

Off On

TAPE MONITOR

Mute

Coax

Optic

AES

USB

Remote

SEND

–10dB

RETURN

+10dB

Fuses:

230V AC:

T 500 mA

L 250 V

115V AC:

T 1 A

L 250 V

Voltage Selection:

1. Remove Fuse Holder

2. Exchange Fuses

3. Flip Over

4. Reinstall LR

Director Mk2

Made in Germany

Refer to

Manual

RISK OF E LECTRI C SHOCK

DO NOT OPEN

CAUTION

RISQUE DE CHOC ÉLECTRIQUE

NE PAS OUVRIR

ATTENTION

~ 115V AC / ~230VAC, 50 Hz / 60Hz, P max. 45 W

USB

OPTIC

AES

COAX

3456

2LR 1

LR Tape

Monitor

Content

Getting started 

Front view 

Rear view 

VOLTAiR – V Rail Technology 

Comparisons 

Operation 

Source Selection, Mute, Remote 

Volume 

Tape Monitor 

VU-Meter 

Attenuate the sensitivity of the VU meters 

IR Remote Control 

Volume and source can be remotely controlled using any

infrared (IR) remote control 

AMP CTL (Amplifier Control) 

Specifications 

Inputs and Outputs 

Analog inputs 

Digital inputs 

Sample rates  Bit 

Outputs 

Measurements 

Internal 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 previous content.

VOLTAiR

120V DC Audio Rail

Director

Off On

TAPE MONITOR

Mute

Coax

Optic

AES

USB

Remote

Front view

Stand-by

Power-LED

Display 5

IR Receiver 4

Volume 7

Source, Mute, Remote 6

VU Meter

VU Meter Switch

Tape Monitor Switch

SEND

–10dB

RETURN

+10dB

Fuses:

230V AC:

T 500 mA

L 250 V

115V AC:

T 1 A

L 250 V

Voltage Selection:

1. Remove Fuse Holder

2. Exchange Fuses

3. Flip Over

4. Reinstall LR

Director Mk2

Made in Germany

Refer to

Manual

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION

RISQUE DE CHOC ÉLECTRIQUE

NE PAS OUVRIR

ATTENTION

~ 115V AC / ~230VAC, 50Hz / 60Hz, P max. 45 W

USB

OPTIC

AES

COAX

3456

2LR 1

LR Tape

Monitor

Rear view

Mains Switch 14

Mains Voltage 13

Learn IR-Remote-Button 15

Preamp Output 16

AMP CTL

Analog Audio Inputs

Digital Audio Inputs

Analog Audio Inputs

Tape Monitor

Direct 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.

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

Operation

Source Selection, Mute, Remote

With the SOURCE switch () you select the source, mute the output and enable the source

selection via a remote control.

Select one of the six analog inputs  - . Select one digital input USB, AES, Coax or Optic.

In the Mute position no signal passes through to the outputs and MUTE is displayed.

The source selection can also be remotely controlled (programming see page). For remote

source selection the Source switch must be in Remote position.

When a digital source is selected, its name is displayed in the Display () for about two seconds (USB, OPTI,

COAX, AES). After that the first letter of the name appears together with the sample rate which is automatically

detected by the DirectorMk (e.g. U384, O192). See table on the next page.

–+

30 50 70 100

10 75 3 103

–+

30 50 70 100

10 75 3 103

Off On

TAPE MONITOR

VOLTAiR

120V DC Audio Rail

Director

Mute

Coax

Optic

AES

USB

Remote

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