Clearaudio Balance reference phono Bedienungsanleitung

User manual

Bedienungsanleitung

balance reference phono

User manual / Bedienungsanleitung

Page / Seite 2 © clearaudio electronic GmbH, 2022-10

User manual ........................................... 2 - 14

Bedienungsanleitung ............................. 15 - 27

Dear Clearaudio customer,

Thank you for choosing the

balance reference phono

phono stage, a high quality audio component

made in Germany by Clearaudio.

Featuring completely independent phono inputs for connecting moving coil and moving magnet

phono cartridges. It provides total freedom in selecting balanced (XLR) or single-ended (RCA) inputs

and outputs with the total exibility of adjusting the input impedance for most cartridges.

The sophisticated volume and input circuitry are accessible with the supplied remote control. The

high-performance design provides 2 headphone connections. A dual-mono power supply, housed in

its own dedicated aluminium chassis, assures the highest sound quality.

We wish you much musical enjoyment with your new

balance reference phono

phono stage.

Clearaudio electronic GmbH

User manual / Bedienungsanleitung

Made in Germany Page / Seite 3

Safety instructions

1. General information

Check the device for visible damage before using it for the rst time.

If the device is damaged, it should not be connected to the mains.

Also, never connect the device if it has been dropped or gotten wet, contact your dealer to have the

device inspected.

Never expose the device to rain or moisture.

Never touch the power cord of the device with wet hands.

For your own safety, regular visual inspections of any defective insulation on the connection cable

are also recommended. A damaged cable should be replaced immediately by a specialist!

Never pull on the power cable to unplug the device, but directly on the plug!

The inside of the device is maintenance-free, never open the housing or try to repair the device

yourself. This can also lead to loss of warranty.

If you do not operate the device for a longer period of time, we recommend disconnecting the

power supply from the mains.

Not suitable for children! Scope of delivery may contain small parts that can be swallowed.

2. Intended use

The

balance reference phono

is a phono preamplier to amplify the signal of the phono cartridge.

The intended use of the

balance reference phono

in accordance with the information provided in

the user manual only.

The power supply may only be operated with maximum permissible connection values according to

the technical data. Any other use or modication of this product is not intended.

3. Location of installation

The device should only be set up on leveled surfaces.

Avoid location with direct sunlight, temperature uctuations and high humidity. Likewise, avoid

placing electronic devices near heaters, heat lamps, or other devices that produce heat.

The device is designed for operation in heated rooms.

Never block the ventilation slots or cover the device with a cloth or similar.

No objects with an open ame may be placed on the device (burning candles or similar).

User manual / Bedienungsanleitung

Page / Seite 4 © clearaudio electronic GmbH, 2022-10

Phonostages provide a very high level of amplication, to address the fact that the electrical signal

generated by a phono cartridge is extremely low. As a result, phonostages are extremely sensitive,

which leads to the potential problem that high-frequency interference may also be amplied to

a point at which it becomes noticeable. Unfortunately it is not possible to completely protect the

sensitive phonostage circuitry from this interference without degrading its high delity performance.

Therefore care must be taken to position the phonostage away from sources of high frequency

interferences such as mobile phones, modems and powerline communication systems (PLC) in

which data is sent over the mains power network.

4. Overload

The product is designed to comply with all necessary safety regulations, however you should not

leave the device unattended under extreme loads.

5. Maintenance

Only use a soft cloth with a smooth surface for cleaning. Never use agressive cleaning detergent.

6. Health information

Permanently high volume can lead to various types of hearing damage. Use high volume responsibly!

7. Service

During the gurantee period, the

balance reference phono

may only be repaired by the manufacturer,

otherweise the warranty will become void.

All Clearaudio products should only be serviced by specialist retailer.

If despite the high production standard, a repair is necessary, the

balance reference phono

must be

sent to Clearaudio through your dealer.

8. Transport

Always us the original packaging when transporting the Clearaudio

balance reference phono

Be sure to pack the device exactly as it was shipped.

Safe transport is only guaranteed in the original packaging.

When packing, proceed in reverse as described for assembly.

9. Disposal

Do not dispose this product together with other waste.

WEEE Reg. No.: DE26004446

10. CE Marking

This electronic product corresponds to the applicable guidelines for obtaining the CE mark.

User manual / Bedienungsanleitung

Made in Germany Page / Seite 5

Contents

1. List of components...................................................................... 6

2. Set-up adjustments..................................................................... 7 - 9

3. Installation and operation........................................................... 10

4. Operation controls....................................................................... 11

5. Remote control............................................................................ 12

6. Troubleshooting .......................................................................... 13

7. Technical details.......................................................................... 14

Warranty information...................................................................... 28 - 29

User manual / Bedienungsanleitung

Page / Seite 6 © clearaudio electronic GmbH, 2022-10

1. List of components

The Clearaudio

balance reference phono

is delivered in a customized packing to ensure its safe

transport.

Please retain the original packaging for any future potential transportation and shipping.

After opening the box, take out the enclosed items and put them beside ready to hand.

Make sure that there is no external damage, especially no transport damage.

Please see the list below to check the contents of your Clearaudio

balance reference phono

phono stage with

D-Sub power cord 4. Remote control (incl. 1 CR2032 batterie)

balance reference phono

power supply 5. User manual

(not shown)

3. Power cord

(not shown) 6. Certicate, Warranty card and return

delivery note

(not shown)

Pic. 1: Package content (Pic. similar)

User manual / Bedienungsanleitung

Made in Germany Page / Seite 7

Details of the adjustment and control options on the underside (Example on Input A)

(Pic.2)

1Input selector (selction between balanced / unbalanced mode)

• Balanced / symmetrical operation (XLR): Switch is not pressed,

(use balanced XLR connectors for the input!).

• Unbalanced / unsymmetrical operation (RCA): Switch is pressed,

(use unbalanced phono plugs for input!).

2Gain (Selection of MM/MC cartridge mode)

Activates the respective controls for ne adjustment under point 3

• MM operation: “gain” switch not pressed (impedance = 47 kOhm/ choice).

• MC operation: “gain” switch pressed

(impedance, setting is made via DIP switch, see point 3).

2. Set-up adjustments

The

balance reference phono

phono preamplier achieves the best possible measurement values

for channel separation. This is achieved through the strictly channel-separated structure of the two

amplier stages.

Please note that the settings for each tonearm (Input A / Input B) are made independently.

Pic. 2: View of the bottom plate of the phono stage

3.1

3.2

User manual / Bedienungsanleitung

Page / Seite 8 © clearaudio electronic GmbH, 2022-10

3.1 Load capacity setting for MM operation

In the basic position (both DIP switches not activated) there is a capacitance of 47pF.

If several controllers are activated at the same time, the capacity is connected in parallel.

3.2 Load resistance setting for MC operation

The choice of resistance should be based on the technical data of the respective pickup.

If several controllers are activated at the same time, the resistors are connected in parallel.

To activate the required load capacitance / load resistance, the sliders must be pushed to the middle

of the text, see red arrow in picture 3.

Setting example:

MM operation: Activated load capacitance 250pF

MC operation: Activated load resistance 500 ohms

4Subsonic lter

The subsonic lter suppresses possible noise caused by turntable and/or tonearm resonances.

• Subsonic lter is on: „subsonic o/on“ switch is pressed.

• Subsonic lter is o: „subsonic o/on“ switch is not pressed.

5Selection Mono / Stereo

• Mono mode: Button is pressed

• Stereo mode: Button is not pressed.

6 Brightness

With the help of a small screwdriver, you can adjust the brightness of the 3 LEDs on the front of

the power supply.

Pic. 3: Detailed view of the load capacity / load resistance setting

User manual / Bedienungsanleitung

Made in Germany Page / Seite 9

Explanation of the connections on the rear of the power supply (Pic. 4)

7 Power connector

On and o switch with mains socket.

8D Sub connectors

Connection with amplier unit.

Now connect the

balance reference phono

with the 15-pin D-Sub plug and the power supply.

Please note:

To protect your loudspeakers from any damage, please make sure that your power

amplier(s) are always switched o when you are connecting the interconnects to or

from the

balance reference phono

phono stage.

Before adjusting any settings, be sure to switch o the power of the

balance reference

phono

using the switch on the rear panel of the power supply.

Pic. 4: Rear view of the power supply

User manual / Bedienungsanleitung

Page / Seite 10 © clearaudio electronic GmbH, 2022-10

Pic. 5: Rear view of the phono stage

3. Installation and operation

Please switch o all components of your system and connect the

balance reference phono

to your

receiver/amplier/active speakers and your tonearm(s).

Explanation of the connections on the back of the phono stage (Pic. 5)

1Balanced XLR input (each Input A/B)

Selection must be set manually via „input selector“ on the bottom.

2Unbalanced input RCA (each Input A/B)

Selection must be set manually via „input selector“ on the bottom.

3Ground connection (each Input A/B)

4Balanced output XLR

Both outputs are active and usable at the same time.

5 Unbalanced output RCA

Both outputs are active and usable at the same time.

Now you can turn on the balance reference phono at the back of the power supply.

The lights of the „Input A / Input B“ buttons turn on, as do the 3 LEDs on the front of the power

supply. The device is now in standby mode.

Please note:

Do not cover the top of the device during operation to ensure sucient air supply for cooling!

3 3

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