Classe Audio DAC-1 Bedienungsanleitung

CLASSÉ AUDIO

DAC-1

DIGITAL/ANALOG PROCESSOR

DAC-1

OWNER'S MANUAL

CLASSÉ DESIGN PHILOSOPHY

1. REPEATED LISTENING DESIGN SESSIONS:

Fine tuning of sound by exchanging and mixing of parts (transistors, capacitors, wiring, PCB boards

etc.), and adjusting many specific operating voltages within proper engineering ranges, producing an

overall sonic recipe giving the most natural harmonic realism of music typical of instruments in a

live performance.

2. UPGRADABLE SINGLE CIRCUIT DESIGNS:

All Classé products share exactly the same circuit design philosophy. This means all amplifiers and

all high level circuits benefit from the same design goals. Similar circuits are then tailored to

different power levels etc. Differences between less expensive models and more expensive models

are parts quality and compliment, power supply extravagance and the amount of filtering etc., as

well as features and packaging.

This means that for years Classé has been constantly sonically fine tuning and technically upgrading

this circuit design and its application, thus reaching a very high level of natural musical enjoyment,

as well as excellent reliability which benefits all models.

3. EXTREME LONG LIFE IN REAL WORLD CONDITIONS:

Choosing the best attainable quality parts and materials combined with the advantages of the two

above-mentioned areas provides Classé owners with years of proven trouble free reliability and

musical enjoyment.

DAC-1

OWNER'S MANUAL

TABLE OF CONTENTS

UNPACKING & SET-UP .......................................................... 4

A.C. LINE POWER...................................................................... 5

FRONT PANEL AND CONTROLS .......................................... 6

DISPLAY INFORMATION........................................................ 7

REAR PANEL CONNECTIONS AND FUNCTIONS.............. 9

TECHNICAL DESCRIPTION................................................... 11

SPECIFICATIONS ..................................................................... 14

WARRANTY .............................................................................. 15

WARRANTY REGISTRATION ................................................17

-4-

UNPACKING & SET-UP

The Classé DAC-1 has been carefully wrapped in heavy gauge plastic, packed in semi-rigid

foam and contained in a special box. To remove the unit, open and spread the top flaps of the box. By

its sides, lift out the entire unit with the foam pieces intact. Remove each foam side by pulling straight

out. Remove the plastic wrap and inspect the unit for any concealed damage. Apart from this owner's

manual, please ensure the detachable A.C. linecord has also been included.

Please report any damage or missing parts to your dealer promptly.

The DAC-1 must be located in a position free of any hum-inducing magnetic fields. (This also

applies to turntables and interconnect cables.) Positions adjacent to power amplifiers, A.C. line filters,

or regulation devices should be avoided. Ideally, a few feet should separate the DAC-1 from the power

amplifier. As well, keep low-level interconnect cables away from the power amp and separate from

A.C. line cords.

Heat generated by the processor is negligible. Air space around the unit need not be a concern.

Check the Serial Number sticker on the back of the unit for the correct operating voltage.

Regardless of voltage, the fuse rating should be 3/4 AMP SLO-BLO.

-5-

A.C. LINE POWER

The DAC-1 has no ON/OFF switch. Its low power consumption and improved sonics from

always being ON led to the use of a STANDBY switch only. While thoroughly musical shortly after

turn-on, the DAC-1 will exhibit "sonic growth" for the first 300 hours of use.

For optimum sonic performance, you should consider use of the optional CLASSE

REFERENCE A.C. LINECORD. Consult your dealer regarding this accessory.

CAUTION: "FLOATING THE GROUND” OR DEFEATING THE GROUND ON A 3-

PRONG LINECORD MAY CREATE A SHOCK HAZARD. CONNECT ALL INTERCONNECT

CABLES BETWEEN THE ELECTRONICS BEFORE CONNECTING THE A.C. LINECORDS TO

THE WALL OUTLETS. THIS WILL REDUCE THE POTENTIAL SHOCK HAZARD. SEE ALSO

THE WARRANTY SECTION OF THIS OWNER'S MANUAL.

-6-

FRONT PANEL AND CONTROLS:

1. STANDBY:

When the processor is in standby mode, the source oscillator stops working, this prevents any

possible digital noise or interference from being generated. The analog section as well as the

DACs remains powered to maintain thermal stability of the unit.

2. PHASE:

Selects between inverted (180 degrees phase shift) or normal non-inverted mode (0 degree

phase shift). The audio phase inversion is performed digitally before the data reaches the

DACs and indicated on the display.

3. DISPLAY:

Three (3) different display brightness levels (low/medium/high and off) can be set to suit

room illumination.

4. INPUT SELECTOR:

Selects one of five digital inputs: COAXIAL-1, COAXIAL-2, BALANCED, TOSLINK, and

ST. The input selector passes only DC levels that are used to control high grade relays that do

the actual switching.

-7-

DISPLAY INFORMATION:

5. INPUT SELECTOR INDICATORS:

One of the following indicators will be on to indicate the selected digital input.

COAXIAL 1

COAXIAL 2

BALANCED

TOSLINK

6. HDCD indicator:

The HDCD indicator will automatically come on if HDCD encoded data is detected and off for a

normally encoded CD. The analog gain is automatically increased by 6dB for an HDCD disc.

7. LOCK/32/44/48 indicators:

Indicates the input frequency (32 kHz, 44.1 kHz and 48 kHz) and the locked status.

8. PHASE indicator:

This Indicator will be on when the phase invert mode is selected.

9. DEEMP indicator:

This indicator will automatically come on when a disc encoded with preemphasis is detected.

10. STANDBY indicator:

This indicator will be on when the processor is in the standby mode.

NOTE: All other indicators will be off when the unit is in standby mode.

-8-

-9-

REAR PANEL CONNECTIONS AND FUNCTIONS:

1. ST OPTICAL DATA INPUT CONNECTOR:

Digital input for optical ST standard

2. "TOSLINK" OPTICAL INPUT CONNECTOR:

Digital input for optical "Toslink" system

3. BALANCED (XLR-AES) DATA INPUT CONNECTOR:

Digital input for the electrical AES standard

4. COAXIAL-1 DATA INPUT CONNECTOR:

Digital input for electrical SPDIF standard

5. COAXIAL-2 DATA INPUT CONNECTOR:

Digital input for electrical SPDIF standard

6. AC INLET CONNECTOR

7. RIGHT CHANNEL BALANCED XLR ANALOG OUTPUT

8. RIGHT CHANNEL SINGLE ENDED ANALOG OUTPUT

9. LEFT CHANNEL BALANCED XLR ANALOG OUTPUT

10. LEFT CHANNEL SINGLE ENDED ANALOG OUTPUT

CONNECTING CABLES:

The overall performance of Digital/Analog processors will vary dramatically with the quality and type

of cables chosen. Selection of the highest quality digital input cables combined with output interconnects

is recommended for maximum performance of the Classé DAC-1

CAUTION: Install all input and output cables before connecting the power AC cord.

-10-

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