Audio Note RIAA-ZERO PHONO Manuale utente

Congratulations on your purchase of the Audio Note™ RIAA-ZERO PHONO stage.

The RIAA-ZERO provides outstanding performance as an additional unit for line level

playback systems, is of a compact size and represents excellent value.

Please read over this manual carefully in order to obtain the best possible performance

and longevity from the RIAA-ZERO.

UNPACKING & INSTALLATION

We recommend that you store the packaging materials in case the unit requires shipping

at a later date. Also, check that no transit damage has occurred before installing the pre

amplifier.

Next, select a suitable location for the unit, not next to any large mains unit or damp

areas.

Worthwhile improvements may be obtained by locating the pre amplifier on a support

system specifically designed to reduce and absorb any vibrations.

AFTER CARE

Cleaning: No special maintenance is required for the RIAA-ZERO. A soft cloth or

brush similar to those sold by photographic stores for lens cleaning applications is best

used for cleaning.

Use a cloth lighty dampened with a mildly warm, weak soap solution to clean off grease

or oily substances. Strong or alcohol based solvents may damage the finish of this

amplifier.

Tube replacement: The vacuum tube used in the RIAA-ZERO should provide about

two years of continuous operation. With three hours of use per day, they should

provide a 10,000 hour life span.

Audio Note has taken considerable care in selecting and matching vacuum tubes

specially for the RIAA-ZERO, and so we recommend that you contact your Audio Note

dealer, who will be able to provide the correct tube should replacement be required.

CONNECTION -Mains

Use the supplied mains cable to connect the phono stage to the mains supply, ensuring

that the plug is firmly inserted to the mains input socket.

Connection -Turntable

One set of RCA output connectors are provided marked `INPUT`. The connectors are

colour coded with red and white bands for quick channel identification with red being the

right channel and white being the left channel. Connect the turntable lead to these

sockets. If you have an earth lead connect it to the screw earth terminal.

Connection to Pre-amp

One set of RCA output connectors are provided marked `OUTPUT`. The connectors are

colour coded with red and white bands for quick channel identification with red being the

right channel and white being the left channel. Connect the RIAA to any line input on

your pre-amp (eg: aux, av, etc).

Special Note: Make sure that all connections are tight and clean. For best performance, use good

quality audio interconnect. Although several companies manufacture good quality interconnect,

those manufactured by Audio Note are excellent!

USING THE R-ZERO

Once all connections are completed and checked, flip the main on/off switch located next

to the mains input socket to the “on” position. The red indicator on the front panel should

now be glowing. Being vacuum tube, the pre amplifier will take about 45 seconds before

it is ready for operation. The power amplifier may now be turned on.

when not in use. The power consumption is minimal. You may, however, prefer to turn

the unit off when not in use by using the “ON/OFF” switch located on the rear panel, next

to the mains inlet socket.

Bedding in time: The new pre amplifier requires about 200 hours of initial use (called

“bedding in time”) before the circuitry becomes stable and optimum performance is

realised. As the amplifier “beds in”, the sound will become more lucid, detailed and

expansive.

Once the RIAA-ZERO is “bedded in”, a warm-up time of approximately 30 to 45 minutes

is required each time the unit is turned on before optimum sonic performance is reached.

The RIAA-ZERO is designed for continuous operation and may remain switched on,

even when not in use. The power consumption is minimal.

TECHNICAL OVERVIEW

The RIAA-ZERO meets the requirements of Level Zero and the basic technological

requirements of all Audio Note™ products.

Audio Note™ use a technique called “Comparison by Contrast”* during the development

of our products. This method of aural evaluation is a system currently unique to Audio

Note.

All inputs are routed to the line stage via an input selector, volume and balance control.

High quality parts are used throughout the pre amplifier.

The circuitry is simple and incredibly effective, yielding a high level of sonic performance.

•An essay titled ‘Audio Hell’ that describes the Comparison by Contrast technique is available from Audio

Note on request.

WARRANTY AND SERVICING

Audio Note™ warrants this product free from defects in materials and workmanship for

one year from original date of purchase from an appointed Audio Note dealer. The

vacuum tubes are warranted for three months.

In the event that your Audio Note™ product requires servicing, please contact your Audio

Note™ dealer. If the component needs to be shipped, please use the original packaging

materials and include a copy of the sales purchase with a note, explaining, in as much

detail as possible, the problems that you are experiencing with the unit.

If you require technical support, new vacuum tubes or have any questions, please direct

them to your local Audio Note™ dealer or alternatively to:

Customer Support

Audio Note (UK) Limited

Unit C, Peacock Industrial Estate

Lyon Close

125-127 Davigdor Road

HOVE

East Sussex

BN3 1SG

United Kingdom

Tel: +44 (0)1273 220511

Fax: +44 (0)1273 731498

SPECIFICATIONS

Weight 4 kilograms

Dimensions 220(w) x 120 (h) x 300(d) (mm)

Power consumption 11 Watts

Fuse ratings 500ma anti-surge (110/120V supply)

500ma anti-surge (220/240v supply)

Input impedance K, line in

Input sensitivity MV @ 0db

Output impedance K.

Output noise < 0.MV

Tube compliment 6111 WA Valve Line Stage

Note: Due to Audio Note’s ongoing research and development programme, specifications are subject to change

without notice.

THIS PRODUCT COMPLIES WITH CE STANDARDS.

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