Hafler DH-200 manual Component Values, Rio, Mdx, 3AG

Page 15

COMPONENT VALUES

All resistors are l/4 w carbon film unless specified otherwise

Part No.

Rl

470,000 ohms

 

RC044

R2

1,800 ohms

 

RC023

R3

47,000 ohms

 

RC043

R4

47,000 ohms

 

RC043

R5

1,000 ohms

 

RC015

R6

1,000 ohms

 

RC015

R7

47,000 ohms

 

RC043

R8

560 ohms

 

RC045

R9

560 ohms

 

RC045

RIO

1,800 ohms

 

RC023

Rll

1,800 ohms

 

RC023

R12

270 ohms

 

RC029

R13

47 ohms

 

RC039

R14

47 ohms

 

RC039

R15

47 ohms

 

RC039

R16

47 ohms

 

RC039

R17

1,800 ohms

 

RC023

R18

1,800 ohms

 

RC023

R19

270 ohms

 

RC029

R20

1,800 ohms

 

RC023

R21

82 ohms

 

RC053

R22

560 ohms

 

RC045

R23

470 ohms

 

RC04 1

R24

10 ohms

 

RC013

R25

33,000 ohms

 

RC036

R26

3,300 ohms, lW, metal film

RZo13

R27

1,000 ohms, 1/4W, metal film

RMo21

R28

150 ohms, 1/4W, metal film

RM013

R29

1,800 ohms

 

RC023

R30

82 ohms

 

RC053

R31

47 ohms, 1/4W, carbon comp.

RZOll

R32

47 ohms, 1/4W, carbon camp.

RZOll

R33

220 ohms, 1/2W

RD114

R34

2,200 ohms, 1/2W

RDl15

R35

10 ohms

 

RC013

R36

1 ohm, 1OW

RW012

R37

10 ohms, 5W

RW013

R38

28,000 ohms, 1/4W, metal film

RM053

R40 1

470 ohms, 1/2W

RDll7

R402

470 ohms, 1/2W

RDI 17

R403

220 ohms, 1/2W

RDll4

R404

220 ohms, 1/2W

RDl14

R405

1 meg ohms, 1/2W

RDI 13

Cl

2 mfd, 5OV, Film

CP115

C2

330 pF, 63OV, Film

CP134

C3

.Ol mfd, 25OV,

Film

CP135

C4

.OOl mfd, 25OV,

Film

CP136

C5

.OOl mfd, 25OV,

Film

CP136

C6

0.1 mfd, lOOV, Film

CC125

C7

0.1 mfd, lOOV, Film

CC125

C8

470 mfd, 1 OV, Non-polar Electrolytic

CN113

C9

150 pF, 63OV, Film

CP133

Cl0

330 pF, 63OV, Film

CP134

Cl1

.Ol mfd, 25OV, Film

CP135

Cl2

100 mfd, lOOV,

Electrolytic

CL122

Cl3

.Ol mfd, 25OV,

Film

CP135

Cl4

100 mfd, lOOV,

Electrolytic

CL122

Cl5

.Ol mfd, 25OV,

Film

CP135

Cl6

.Ol mfd, 25OV,

Film

CP135

Cl7

150 pF, 63OV, Film

CP133

Cl8

.Ol mfd, 25OV,

Film

CP135

Cl9

.Ol mfd, 25OV,

Film

CP135

C20

0.1 mfd, lOOV,

Film

CC125

C21

0.1 mfd, lOOV,

Film

CC125

C22

0.1 mfd, lOOV,

Film

CC125

C23

.OOl mfd, 25OV,

Film

CP136

C40 1

680 pF, 5OOV, Mica

CM121

C402

0.1 mfd, lOOV,

Film

CE115

C403

10,000 mfd, 75V,

Electrolytic

CL121

C404

10,000 mfd, 75V,

Electrolytic

CL121

C405

.Ol mfd, lOOOV,

Disc

CZI 12

C406

.39 mfd, lOOV,

Polyester

CEl17

C407

.005 mfd, lOOOV,

Disc

cz113

C408

0.1 mfd, IOOV,

Film

CEl15

Dl

IN4 148 Diode

 

 

 

QDll6

D2

IN4 148 Diode

 

 

 

QD116

D3

IN4 148 Diode

 

 

 

QD116

D4

IN4 148 Diode

 

 

 

QD116

D5

IN4 148 Diode

 

 

 

QDll6

D6

IN4 148 Diode

 

 

 

QD116

D 7

IN4 148 Diode

 

 

 

QD116

D8

IN4 148 Diode

 

 

 

QDl16

D9

FDH-400

Diode

 

 

QD121

DlO

FDH-400

Diode

 

 

QDl21

Dll

IN4 148 Diode

 

 

 

QD116

D12

lN5240B 1OV

Zener

Diode

Q D l l l

D13

IN5240B 1OV

Zener

Diode

Q D l l l

D14

IN4 148 Diode

 

 

 

QD116

D15

IN4003

Diode

 

 

 

QD115

D16

IN4003

Diode

 

 

 

QD115

D40 1

IN4003

Diode

 

 

 

QD115

DB40 1 Diode Bridge, 25A

 

QD117

Pl

1,000 ohms trimpot

 

RPOll

P2

1,000 ohms trimpot

 

RPOll

F4O1 7A,

Slo-Blo

MDX

 

 

SF02 1

F402 5A,

3 A G

 

 

 

 

SF012

F403

5A,

3AG

 

 

 

 

SF012

F404 2A, 3AG (size optional)

SF01 1

F405 4A, Slo-Blo MDX

 

 

SF026

T40 1

Power

Transformer,

Domestic

TA123

T402

Power

Transformer,

International

TA124

Ql

2N5401

 

 

 

 

 

QP122

::

2N5550

 

 

 

 

 

QNl28

 

2N5550

 

 

 

 

 

QN128

Q4

2N5550

 

 

 

 

 

QN128

Q5

2N5401

 

 

 

 

 

QP122

 

 

 

 

 

 

 

 

QP122

::

2N5415

 

 

 

 

 

QP122

 

 

 

 

 

QP123

 

NP2222

 

 

 

 

 

QN124

QlO

2N5550

 

 

 

 

 

QNl28

Qll

2N3440

 

 

 

 

 

QN125

Q 1 2

2N3440

 

 

 

 

 

QN125

Q 1 3

2N5415

 

 

 

 

 

QP123

Q401

2SK134

 

 

 

 

 

QNl12

Q402

2SK134

 

 

 

 

 

QNl12

Q403

2SJ49

 

 

 

 

 

QPl12

Q404

2SJ49

 

 

 

 

 

QP112

TB40 I

Thermal Breaker

 

 

SF024

TB402

Thermal Breaker

 

 

SF024

Ll

Output

Inductor

 

 

TA112

15

Image 15
Contents Power Amplifier Introduction ContentsOperation InstallationOutput KIT Assembly InstructionsALL Solder Used Must be Rosin Core Proper SolderingWiring the Kit Page Page Page If Problems Arise Service Policy and Limited Warranty Q11 Voltage ChartKIT Parts List XPO14Viewed from Component Side Page 3AG Component ValuesRIO MDXSpecifications Page Page Page Limited Warranty DH-222 Installation Instructions

DH-200 specifications

The Hafler DH-200 is a well-regarded power amplifier that has earned a dedicated following among audio enthusiasts since its release in the early 1980s. Known for its excellent performance and reliability, the DH-200 has become a staple in many home audio systems.

One of the key features of the DH-200 is its high power output, delivering 100 watts per channel into 8 ohms and 200 watts into 4 ohms. This robust power handling capability makes it suitable for driving a wide range of speakers, from compact bookshelf models to larger floor-standing designs. The amplifier's low distortion and high current output ensure that it can reproduce dynamic and intricate musical passages with clarity and precision.

The DH-200 utilizes a unique circuit topology that incorporates a high-performance, complementary push-pull output stage. This design minimizes crossover distortion while providing excellent linearity and frequency response. The frequency response extends from 20 Hz to 20 kHz, matching the full range of human hearing and allowing for a natural reproduction of both low and high frequencies.

Another notable technology in the DH-200 is its use of a toroidal transformer, which contributes to the amplifier's efficiency and low noise operation. Toroidal transformers are known for their compact size, reduced electromagnetic interference, and improved power supply regulation, which translates into cleaner audio performance.

In terms of build quality, the Hafler DH-200 features a rugged chassis and a minimalist front panel design. The amplifier is a two-channel unit, with individual volume controls for each channel, allowing for precise adjustments. The rear panel is equipped with standard RCA input connections and binding posts for speaker outputs, making it compatible with most audio sources and speaker systems.

The DH-200 is also praised for its thermal management, featuring multiple heat sinks to dissipate heat effectively during extended use. This design helps to ensure long-term reliability, even under demanding listening conditions.

In conclusion, the Hafler DH-200 is a power amplifier that stands out for its exceptional sound quality, powerful performance, and robust build. Its combination of advanced technologies, such as a complementary push-pull output stage and toroidal transformer, make it an enduring choice for audiophiles seeking a reliable and high-performing amplifier for their home audio systems. Whether for casual listening or critical listening sessions, the DH-200 has proven to be a versatile and gratifying component in any audio setup.