Marsh Sound Design P2000-B User Manual

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MARSH SOUND DESIGN

OPERATING MANUAL

Preamplifier

P2000

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Warning

The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to people.

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:

To prevent the risk of electric shock, do not remove the cover (or back) . No user-serviceable parts inside. Refer servicing to qualified service personnel.

The exclamation pointwithin an equilateral triangle isintended to alert the userto the presence of important operating and maintenance instructions in the literature accompanying the appliance

WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT OPEN OR

EXPOSE THIS APPLIANCE TORAIN OR MOISTURE.

Marsh

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Important/Precautions

Before proceeding with the installation, please read the instructions carefully and completely. If you have any problems, do not hesitate to contact your retailer orour ServiceDepartment.

1. All warnings on the unit and in the operating manual should be followed.

2. Operate the unit only from a power source of the appropriate voltage indicated on the rear panel.

3. Do not use a damaged or deformed power cord as it may cause electric shock. When removing the plug from the wall outlet, be sure to remove by holdingthe plug attachment and not by pulling the cord.

4. This unit should not be used near water or in humid conditions.

5. Do not pour or spill liquids of any kind onto this unit.

6. Do not operate this product with any cover removed.

7. Before connecting or disconnecting any cables, always turn off your equipment and disconnect your entire system fromthe ACmains.

8. Do not replace any fuse with a value or type other than that specified.

9. Do not overload the wall outlet or extensioncord because this can result ina risk of fire or electric shock.

10. Do not push objects of any kind into this product through the openings e.g., ventilation slots, because they may touch dangerous voltage points or short-out parts. This act could result in a fire or electric shock.

11. Do not attempt to repair this product because opening or removing covers may expose you to dangerous voltage or other hazards. If aproblem occurs, contact your Marsh retailer.

12. Disconnect your entire system from the AC mains before cleaning.

13. Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of this product and to protect it from overheating. These openings must not be blocked or covered.

14. The operating temperature ranges from +5 to +35 degrees C. Operating humidity ranges from 5% to 80%. Do notoperate theunit when the temperature and/or humidity are outside of this range.

Marsh

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Thank You for purchasing the MARSH SOUND DESIGN MSD-P2000.

MSD brings you extraordinary components that are true, above all, to the art of music.

Marsh

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Table of Contents

Important/Precautions..............................................................................................2

Preface.....................................................................................................................6

Unpacking............................................................................................................8

Placement Considerations.........................................................................................9

Functions.................................................................................................................10

Rermote Control......................................................................................................................11

Connections............................................................................................................12

Troubleshooting guide.............................................................................................14

Care & Maintenance...............................................................................................15

Warranty information................................................................................................16

Specifications.........................................................................................................17

Dimensions..............................................................................................................18

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SD's logo comes from an ancient Native American petroglyph pecked in stone, high in the Sierra Nevada mountain range. Long ago, small, self-

gathering, and celebrating rituals. Leaving behind little about themselves, except for these rock figures and a few stone tools. The mark we found, created a thousand years ago, could have been a sun sign, a map, or a symbol of focus and concentration-or yet some mystery we cannotimagine today.

sufficient groups of people moved about the mountains, hunting and

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Preface

ust as a great performer spends years learning his or her instruments, so a master designer spends years understanding the complexitiesof audiocircuitry and the science of electronics.

For more than 30 years, author, lecturer, engineer, and inventor, has shared the art of perfecting audio circuits with other designers. Now, his goal is to bring you his accumulated experience in the service of music.

The Marsh Sound Design team builds its products to the most exacting standards of design and construction, for simplicity of use, long life and timeless performance. Your investment in a Marsh product means that you can forget about the hardware and focus on years of enjoyment.

So - set yourcourse for the music . . .and leavethe rest to us.

Richard N. Marsh,

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Unpacking

WARNING:

WITHOUT ASSISTANCE

1. Carefully lift the unit out of the box.

2. Remove the foam packing material.

3. Set up the unit for use.

REMEMBER: Keep all the original packing in case it is necessary to return the unit for servicing.

Marsh

PEOPLE WITH BACK PROBLEMS SHOULD NOT UNPACK THIS EQUIPMENT

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DO NOT INSTALL THE UNIT IN THE FOLLOWING LOCATION:

1. In a place subject to direct sunlight.

2. In a humid place.

3. In an extremely hot or cold place.

4. In a place subject to vibrations.

5. In a dusty place.

6. In a poorly ventilated place.

Placement Considerations

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Functions

BALANCEVOLUME

HR LA

IGH ESOLUTION INE MPLIFIER

Marsh Sound Design MSD- 2000P

Marsh

TUNER

DVD VIDEO

LINE1

LINE2

TAPE

POWER

The unit is always in standby mode when the AC power cord is plugged into AC wall outlet. The power LED will be indimly BLUE color. The preamplifierdoes not operate in this state. But the internal circuitry always has power applied to it all the time.

1. POWER Pressing the POWER button to turn the unit into operation mode. The power LED will appear brightly BLUE. The unit is fully functioning in this mode.

Press POWER button again to standby mode. The LED will be dimmed blue in this mode.

Remark: The MSD-P2000 has an on-off digital control signal (REMOTE) to turn the power amplifier, with

remote turn-on capability, ON/OFF with the preamplifier.

2. TAPE Press the TAPE button once to select TAPE input as the source. The green LED will be lit while in TAPEmode. Press TAPE button againto deactivate TAPE mode.

3. SELECTOR Turn the selectorknob tothe desired source input.

4. BALANCE Turn the balance level knobto adjust the sound balance between two speakers. Leave it in the center position to give equal output onboth channels.

Sometimes in unequal source recording, you may need to adjust the balance level to

get a balanced stereo sound. If the sound weaker on left side, move the knob to left until you hear equal sound from speakers and vice versa.

5. VOLUME Adjust the output level.

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Remote Control

MUTE

TUNER

VIDEO

LINE1 LINE2

TAPE

BALANCE

RC-1 Remote Control Marsh Sound Design

1. POWER Press to toggle operate/standby.

POWER

DVD

VOL

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2. MUTE Press once for mute, press again to resume the sound.

3. CD/TUNER/LASER/VIDEO/LINE 1/LINE2/TAPE Press to select program source.

4. L BALANCER Press L then the balance knob will turn left, press R the knob will turn right.

5. VOLUME

Press + to increase the output level, press - to decrease the output level.

SUGGESTIONS AND WARNINGSIN USING REMOTE CONTROL

A. When you change the batteries always make sure that the batteries are of the same type. For

example, if the battery typeis Alkaline then both batteries should be Alkaline.

B. Donot usean old battery with a new battery.

C. If theremote control will not be used fora long period of time, the battery should be taken out.

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RISKOFELECTRIC SHOCK

DONOTOPEN

AVIS : RISQUE DE CHOC ELECTRIQUE-NE PASOUVRIR

WARNING

TOPREVENT FIRE AND SHOCK HAZARD, DO NOT

EXPOSETHIS DEVICE TO RAIN OR MOISTURE.

-DO NOT OPERATEWITH COVERS REMOVED -

CAUTIONFOR CONTINUED PROTECTION

CAUTIONFOR CONTINUED PROTECTION AGAINSTFIRE HAZARD, REPLACE ONLY

AGAINSTFIRE HAZARD, REPLACE ONLY

WITHSAME TYPE AND RATINGFUSE.

REMOTEIN

REMOTEOUT

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MODEL: MSD- 2000P

PREAMPLIFIER

SERIAL

SERIAL NUMBER

NUMBER

60HzAC120 Volts

POWERCONSUMPTION : 15 W MAX

OUTPUTS

Connections

INPUTS

REC

VIDEO

TAPE21

INPUTS

VIDEO

LINE 1LINE 2TAPE

DVD

CDTUNER

LEFT

RIGHT RIGHT

7891011121314 1

23456

INPUTS TheMSD- P2000 have atotal of 7line level inputs.

1. CD Receives the signalfrom aCompact Disc player.

2. TUNER Receivessignal from a Tuner.

3. DVD Receives signal froma DigitalVersatile Disc player..

4. VIDEO Receives signal froma VCRaudio output.

5. LINE 1 Receives signal from a line level source.

6. LINE 2 Receives signal from another line level source.

7. TAPE Receives signal froma cassettetape player.

REC (Recording output monitor) The MSD- P2000 has2 recording monitor outputs for duplication.

8. TAPE (REC) Sends output signals from a selected program source to cassette tape input. To record from the program source onto cassette tape, turn the selector switch to the source program you wish to record and press record on thecassette tape player.

9. VIDEO (REC) Sends output signals from a selected program source to a VCR audio input. To record from the program source onto Video tape, turn the selector switch to the source program you wish to record and press record on the VCR player.

If the program source is set to VCR, then there will be no recording because the VCR

Player cannot play and record at the same time.

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Connections

OUTPUTS The MSD- P2000 has 2 outputsfor connection to power amplifier.

10. OUTPUT 2 Sends signals to a power amplifier (use inbi-amplifier application).

11. OUTPUT 1 Sends signals to a power amplifier.

12. REMOTE OUT This is a +12 VDC control signal designed to send a remote control signal to a

MARSH SOUND DESIGN power amplifier with remote turn on capabilities. With this function, your power amplifier can be powered ON and Off at the same time as the MSD-P2000.

Connect the cable supplied with the MSD-P2000 into this jack and connect the other end to a MARSH SOUND DESIGN power amplifier with remoteturn on capabilities.

13. REMOTE IN This input accepts +12VDC control voltage from other equipment. The MSD-

P2000 preamplifier will be turned on when +12VDC is applied to this input. This control voltage may come from a system power control centeror other equipment.

14. POWER Connect the MSD-P2000 to the outlet with the enclosed power cord.

IMPORTANT: Operate the unit only from the power source of the appropriate voltage indicated on rear

panel.

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Troubleshooting Guide

If the unit does not function properly, please check the list below and follow the instructions. If the problem still occurs, please contact our service department.

PROBLEM

1. Unit does not turn on. The LED is not lit.

2. No sound.

3. No sound from one speaker.

4. Low bass sound.

SOLUTION

Confirm that the power cord is plugged in properly.

Check If the fuse is still good.

Check the speaker cable connection.

Check the interconnect cable connection.

Check the speaker or interconnect cable connection.

Check the BALANCE control on the preamplifier, make sure that it is in the middle position.

Check the speaker cables for correct phase connection.

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Care & Maintenance

Use a soft, dry cloth to remove dust from the cabinet. For stubborn dirt, soak the cloth in a weak detergent solution. Be sure to wring the cloth well before wiping the unit. Use a dry cloth to wipe it dry. Do not use any volatile agents such as benzine or thinner. They may damage the surface of the cabinet.

CAUTION: DISCONNECT YOUR ENTIRE SYSTEM FROM THE AC MAINS BEFORE

CLEANING. NEVER APPLY LIQUID CLEANSERS DIRECTLY TO THE UNIT. IT MAY RESULT IN DAMAGE TO THEELECTRONIC COMPONENTS WITHIN THE UNIT.

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Warranty information

1. A MARSH SOUND DESIGN warranty only applies to the original retail purchaser. The warranty certifies that the product is free from defects in material and workmanship and authorizes free service and/or parts exchange done

at an authorized MARSH SOUND DESIGN Service center.

2. The warranty is subjected to the following conditions and limitations. The warranty is void if the product has been used in a manner other than that specified within the operating manual, if the product has been abused or misused, or if the product has been repaired by anyone other than an authorized MASH SOUND DESIGN Service center.

3. The warranty does not apply to defects or failure caused by usage of unauthorized parts, improper maintenance, fire, flood, lightning or other natural causes.

4. This warranty does not cover damage to the external parts, e.g. Front panel, knobs, casing, etc.

for a period of TWO years from the date of purchase. Service must only be

A returned product must include a copy of the Warranty Certificate and the bill of sale and must be

5. sent in the original packaging.

6. The warranty does not extend to any incidental or consequential cost or damage to the purchaser caused by a malfunction of the product.

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LINE AMPLIFIER SECTION FrequencyResponse, 20-20,000 Hz +/- 0.1 dB

THD+noise at 2 Vrms, 20-20,000 Hz <0.025%

Input Impedance 50 kOhms

Maximum Gain 14 dB

Signal to Noise ratio, A weighted 98 dB

Maximum Output at 1kHz 6 Vrms

Specifications

Cross talk at 1 kHz -92 dB

Cross talk at 10 kHz -92 dB

REMOTE TURN ON/OFF SECTION Remote in Voltage +12 V,-2 V,+5 V

Input resistance 4.7 kOhms

Remote out Voltage +12 V +/-2 V Current 5 mA max.

Input Power AC 110-120 V, 60 Hz

Power consumption 14 W

Size 19” W x 35/8” H x 13” D

Weight Net 10.3 lbs (4.6 kgs), Shipping13.9 lbs (6.2kgs)

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Dimensions P2000

74.0 mm. 2 15/16”

RISKOFELECTRIC SHOCK

DONOTOPEN

AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

WARNING

TOPREVENTFIRE AND SHOCK HAZARD, DO NOT

EXPOSETHISDEVICE TO RAIN OR MOISTURE.

-DONOT OPERATE WITH COVERS REMOVED -

CAUTIONFORCONTINUED PROTECTION

CAUTIONFORCONTINUED PROTECTION AGAINSTFIREHAZARD, REPLACE ONLY

AGAINSTFIREHAZARD, REPLACE ONLY

WITHSAMETYPE AND RATING FUSE.

REMOTEIN

REMOTEOUT

BALANCEVOLUME

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MODEL: MSD- 2000P

SERIAL

SERIAL NUMBER

NUMBER

POWERCONSUMPTION : 15 W MAX

PREAMPLIFIER

Marsh

HR LA

IGH ESOLUTION INE MPLIFIER

Marsh Sound Design MSD- 2000P

482.0 mm.

19.0”

428.0 mm. 16 7/8”

OUTPUTS

TAPE21

60HzAC120Volts

482.0 mm.

19.0”

DVD VIDEO

TUNER

LINE1

LINE2

REC

VIDEO

LINE1LINE2TAPE

POWER

TAPE

INPUTS

VIDEO

CDTUNER

DVD

LEFT

RIGHT

82.0 mm. 3 5/8”

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80.0 mm. 3 1/4”

329.0 mm.

13.0”

160.0 mm. 6 3/8”

15.0 mm. 3/4”

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Notes

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Marsh

MARSH SOUND DESIGN

Email: sales@marshsounddesign.com

www.marshsounddesign.com

Tel: (415) 927-4672 Fax: (415) 924-6846

62 El Camino Drive, Corte Madera, CA 94925