McIntosh MHA200 Manual de Usario

McIntosh receptor MHA200

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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com

MHA200

Tube Headphone Amplier

Owner’s Manual

Important Safety Information is supplied in a separate document “Important Additional Operation Information Guide ”

Inside the Box

Besides all the protective packaging you should nd:

• A literature pack including this manual

• An AC Power Cord

• An MHA200 Headphone Amplier

Taking it out of the Box

The easiest way to remove the MHA200 from its

shipping carton is to:

• Open the top of the box

• Remove and read this manual

• Gently turn the box over with the aps

extended outward

• Lift the box upward to reveal the foam

encased MHA200

• Carefully remove the MHA200 from the

packaging

Where to Put it

Place the MHA200 upright on a sturdy at surface

that can support its weight with adequate open space.

Cool operation ensures the longest possible operating

life for any electronic instrument. Always allow air to

ow through the ventilation holes on the bottom of the

amplier and space for the warm air to escape at the

top.

Allow at least 19 inches (48.3cm) above the top; 4

inches (10.2cm) for the Rear and Sides; allow 1/2 inch

(1.3cm) below the Power Amplier so the airow is

not obstucted. Do not remove the feet.

For dimensions see “Dimensions” on page 6.

DO THIS FIRST

Removal of Foam Inserts over Vacuum

Tubes

IMPORTANT!

REMOVE THE FOAM INSERTS OVER THE

VACUUM TUBES PRIOR TO CONNECTING

THE A.C. POWER SUPPLY CORD.

• To prevent damage to the Tubes during

shipping, there are special foam inserts

surrounding the Tubes of the Power Amplier

• The Foam Inserts must be removed from

the MHA200 before connecting the AC Power

Supply Cord to the Power Amplier

• Failure to do so has the potential of a

Fire Hazard, resulting in damage to the

MHA200 and the surrounding environment

• Follow these instructions for removal of

the packing foam before connecting the AC

Power Supply Cord to the MHA200

To remove the protective foam, it is necessary to

temporarily remove the two Tube Covers. To remove

each Tube Cover:

• Use a Phillips Head #2 screw driver to remove

the two screws that hold the Tube Cover (see

Figure 01)

• Pull the Tube Cover upward o of the Tube

Cover Retaining Posts (see Figure 02)

• Pull the protective foam straight up o the

Vacuum Tubes (see Figure 02)

• Replace the Tube Cover

• Replace the two screws to secure the cover to

the Tube Cover Retaining Posts (see Figure

01)

Save the protective foam and warning label for

possible future use.

AN Y /ST ON

LOAD RANGE

STER EOR

HEAD PHONE OUTPUT S

STER EO

INPUTS

120V 50 60Hz/

50 WATT S

McINTO SH LABORATORY, INC., BINGHAMTO N, NY

HANDCRA FTED IN USA WIT H US AND IMPORTE D PARTS

MHA 200 TUBE HEAD PHON E A MPLI FIER

POWER

CONTROLL R

BALANCEDUNBALANCED

OUT

Screws

Figure 01– Tube cover screws

INPUTS

120V 50 60Hz/

50 WATTS

McI NTOS H LAB ORATORY, I NC., B INGHA MTON, NY

HANDCRAFTED IN USA WITH US AND IMPORTED PARTS

MHA 200 TUBE HEADP HONE AMPL IFIE R

POWER

CONTROLL R

BALAN CEDUNBALANCED

OUT

Figure 02– Lift Tube Cover and foam up

Thank you from all of us at McIntosh

You have invested in a precision instrument that will

provide you with many years of enjoyment. Please

take a few moments to familiarize yourself with

the features and instructions to get the maximum

performance from your equipment.

If you need further technical assistance, please contact

your dealer who may be more familiar with your

particular setup including other brands. You can also

contact McIntosh with additional questions or in the

unlikely event of needing service.

McIntosh Laboratory, Inc.

2 Chambers Street

Binghamton, New York 13903

Technical Assistance: (607) 723-3512

Customer Service: (607) 723-3515

Fax: (607) 724-0549

Email: support@mcintoshlabs.com

Website: mcintoshlabs.com

Make a Note

For future reference, you can jot down your serial

number and purchase information here. We can

identify your purchase from this information if the

occasion should arise.

Serial Number:

Purchase Date:

Dealer Name:

List of Figures

Figure 01– Tube cover screws 2 ...............................

Figure 02– Lift Tube Cover and foam up 2 .............

Figure 03– Rear Panel 4 ..........................................

Figure 04– XLR cable 4 .........................................

Figure 05– RCA Cable 4 .........................................

Figure 06– Power control (trigger) mini plug 4 .......

Figure 07– Front View 5 ..........................................

Figure 08– 3-pin XLR wiring 5 ..............................

Figure 09– 4-pin XLR wiring 5 ..............................

Figure 10– Tube locations..................................... 5

The MHA200 is a McIntosh Vacuum Tube

Amplifier designed and crafted for one

purpose- to power your headphones with

the best possible sound.

• Output stage is a Push-Pull pure

Class-A triode

• Only Headphone Ampliﬁer with Unity

Coupled Output Transformers and

Proprietary Push-pull conﬁguration

technology

• Guaranteed 500mW power for ALL

loads from 32 to 600 Ohm

Table of Contents

Inside the Box 2 ........................................................

Taking it out of the Box 2 .........................................

Where to Put it 2 .......................................................

Removal of Foam Inserts over Vacuum Tubes 2 ......

Thank you from all of us at McIntosh 3 ...................

Make a Note ........................................................... 3

Making Connections ............................................. 4

The Inputs on the Back 4 .....................................

Balanced or Unbalanced Input .......................... 4

Power Control (Trigger) Input 4 ..........................

Power Control (Trigger) Output 4 .......................

The Knobs on the Front 4 .........................................

The Left Knob (Load) 4 ......................................

The Right Knob (Volume) 4 ................................

Connecting Headphones ................................... 5

The Power Button and Standby LED ............... 5

Dimensions ............................................................ 6

Re-packing the MHA200 6 ......................................

Technical Specifications 7 .......................................

Especificaciones del producto

Marca:	McIntosh
Categoría:	receptor
Modelo:	MHA200
Color del producto:	Wit
Amable:	Elektronische keukenweegschaal
Tipo de material (arriba):	Glas
Apagado automático:	Ja
Batería/Voltaje de la batería:	3 V
Exactitud:	1 g
Número soportado de baterías/baterías:	1
Capacidad máxima de peso:	5 kg
Indicación de batería baja:	Ja
Unidad de medida:	g, kg, lb, oz
Función de memoria:	Nee
Indicador de sobrecarga:	Ja
Dimensiones (Ancho x Fondo x Alto):	152 x 219 x 15 mm
Baterias-incluidas:	Ja
Tipo-de-visualización:	LCD
Tipo de Batería:	CR2032
Función de tara:	Ja