Hafler Explore the DH-110 Official Manual for Component Details

Page 19

COMPONENT VALUES

All resistors are 1/4 watt I% Metal Film unless otherwise noted.

Rii channel corresponding values have designations above 100.

R I

93,lOOohms

 

 

 

RM045

C l

10 mF, polypropykne, 5Ov

 

 

CP111

R2

93,1OO ohms

 

 

 

RMO45

 

120 pF, polypropylene,

50v

 

CPll2

R 3

1,100 ohms

 

 

 

RM025

::

220

pF,

polypropykne. 50v

 

C P l 1 6

R 4

22,100

ohms

 

 

 

RM035

 

10nF

 

polypropylene,

5Ov

 

 

CP11

R.5

22,100

ohms

 

 

 

R M 0 3 5

::

22 mfd, NP ekctmlytic, 5Ov

 

CNll6

R 6

147.000

ohms

 

 

 

RMO43

 

220 mfd, NP ekctmlytic, IOv

 

CNll2

R7

147,000

ohms

 

 

 

RMO43

:5

220

mfd,

NP ekctrolytic,

10v

 

CN112

R8

22,100

ohms

 

 

 

RM035

 

I5

nF,

polycarbonate,

5Ov

 

 

C C 1 2 3

R 9

22,100

ohms

 

 

 

RM035

ET0

I5

nF,

polycarbonatc,

5Ov

 

 

CC123

RIO

4 7 , 5 0 0 o h m s

 

 

 

RMO36

Cl1

25 nF I%, poiypropykne, 50v

 

CZ1 I4

RI1

4 7 , 5 0 0

o h m s

 

 

 

R M 0 3 6

Cl2

6.8 nF, 1%. polypropylene,

5Ov

 

CZll5

RI2

100 ohms, 1/2 w,

5% carbon film

RDl2l

Cl3

1000

mfd,

NP ekctrolytic,

6v

 

CN111

RI3

100 ohms, 1/2

w,

5% carbon film

RDl2l

Cl4

1.5 nF, polypropykne, 50v

 

 

CPll4

RI4

11,000 ohms

 

 

 

RM024

Cl5

IO nF, polypropylene,

50v

 

 

CPII I

Rl5

301

ohms

 

 

 

RM0l4

Cl6

22 mfd, NP ekctrolytic, 50v

 

CNI I6

R16

100 ohms

 

 

 

RM0l2

C l 7

470 mfd, low ESR electrolytic,

25v

C L 1 1 1

RI7

147,800

ohms

 

 

 

RMO43

C l 8

470 mfd, low ESR electrolytic,

25v

C L 1 1 1

RI8

II,000 ohms

 

 

 

R M 0 2 4

Cl9

470

nF, polypropylene,

50v

 

CPl18

RI9

499

ohms

 

 

 

RM018

C20

68

pF, polypropylene,

 

50v

 

CP144

R20

I megohm

 

 

 

RM044

c21

10

nF, polypropylene,

50v

 

CPlll

R2l

1,100 ohms

 

 

 

RM025

c22

22 mfd, NP electrolytic,

5Ov

 

CN116

R22

1megohm

 

 

 

RMO44

C23

470 mfd, low ESR electrolytic,

25v

C L 1 1 1

R23

I megohm

 

 

 

RMO44

C24

470 mfd, low ESR

electrolytic,

25v

CL111

R 2 4

1,100

ohms

 

 

 

RM025

C25

I .5 nF, polypropylene, 50v

 

CP1 14

R25

100,000 ohms linear taper

RPO2l

C 2 6

I5

nF, polycarbonate,

50v

 

 

CC123

 

potentiometer

(Balance)

 

 

C 2 7

47

nF, polycarbonate,

5Ov

 

 

CC114

R 2 6

50,000

ohms

log

taper

RPO29

C28

470

nF, polycarbonate,

5Ov

 

CC115

 

potentiometer

(Volume)

 

 

C 2 9

4.7 mfd, NP ekctrolytic, 25v

 

CN118

R 2 7

1 4 7 . 0 0 0 o h m s

 

 

 

RM043

C30

47 mfd, NP ekctrolytic. l6v

 

CNll9

 

17,400 ohms

 

 

 

RM027

C3l

100

 

nF, polycarbonate.

50v

 

CC125

E

17,400

ohms

 

 

 

R M 0 2 7

C 3 2

1000

mfd, electrolytic,

50v

 

CL124

R30

82,500 ohms

 

 

 

RM046

c33

1000

mfd, electrolytic,

50v

 

 

CL124

R3l

82,500 ohms

 

 

 

RM046

C34

22 mfd, ekctmlytic,

50v

 

 

CL117

R 3 2

4 7 , 5 0 0

o h m s

 

 

 

RM036

c35

100

 

nF,

polycarbonate,

50v

 

CC125

R 3 3

4 7 , 5 0 0 o h m s

 

 

 

RM036

CM

22 mfd, ekctrolytic, 50 v

 

 

CL117

R 3 4

100 ohms,

1/2 w, 5 % carbon film

RDl2l

c37

100

 

nF. polycarbonate,

 

50v

 

CC125

R 3 5

100

ohms, 1/2 w, 5% carbon film

RDl21

C 3 8

47nF, polycarbonate, 50v

 

 

CC114

R36

316 ohms

 

 

 

RM015

c39

4.7 mfd, NP ekctmlytic, 25v

 

CNl18

R 3 7

100 ohms

 

 

 

RM012

C40

4.7 mfd, NP ekctrolytic. 25v

 

CN118

R 3 8

ll,O00 ohms

 

 

 

R M 0 2 4

C4l

22 mfd, electrolytic, 50v

 

 

CL117

R 3 9

100,000 ohms inverse

log taper

RP022

Dl

I N 4 0 0 3

 

 

 

 

 

 

 

 

QD115

 

potentiometer

(Treble)

 

 

D 2

I N 4 0 0 3

 

 

 

 

 

 

 

 

QD115

R40

4990hms

 

 

 

RM018

 

 

 

 

 

 

 

 

 

 

 

D 3

lN4003

 

 

 

 

 

 

 

 

 

QD115

R41

1,100

ohms

 

 

 

Ez

D4

IN4003

 

 

 

 

 

 

 

 

 

QD1 15

R 4 2

11,000 0hms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D5

I N 4 0 0 3

 

 

 

 

 

 

 

 

QD115

R 4 3

100,000 ohms inverse log taper

RP022

D6

I N 4 0 0 3

 

 

 

 

 

 

 

 

QD115

 

potentiometer

(bass)

 

 

D 7

IN525lF 22v

Zener, 1%

 

 

 

QD113

R 4 4

316 ohms

 

 

 

RM015

 

 

 

 

 

 

D8

I N 4 0 0 3

 

 

 

 

 

 

 

 

QD1 I5

R 4 5

1.100 Ohms

 

 

 

RM025

 

 

 

 

 

 

 

 

 

 

 

D 9

I N 4 0 0 3

 

 

 

 

 

 

 

 

QDll5

R46

11,000ohms

 

 

 

RM024

 

 

 

 

 

 

 

 

 

 

 

D10

IN525IF 22v

Zener, I%

 

 

QDll3

R 4 7

11,000 ohms

 

 

 

R M 0 2 4

Dll

I N 4 0 0 3

 

 

 

 

 

 

 

 

QDII5

R 4 8

1,lOOohms

 

 

 

RMO25

D 1 2

IN524OB

10v

Zener, 5%

 

 

QDlll

R 4 9

I megohm

 

 

 

RMO44

 

 

 

 

 

D13

LED

 

 

 

 

 

 

 

 

 

Q D 1 1 9

R50

22,100

ohms

 

 

 

R M 0 3 5

D 1 4

LED

 

 

 

 

 

 

 

 

 

QDI 19

R5l

270

ohms, ¼

w,

5% carbon film

RCO29

 

 

 

 

 

 

 

 

 

ICl

LM3l7T

Positive Regulator

 

QBll3

R 5 2

1,800 ohms, ¼ w. 5% carbon film

RC023

 

R 5 3

270 ohms, ¼

w, 5% carbon film

RC029

IC2

LM337T

Negative

Regulator

 

QBll4

R54

1,800 ohms, ¼ w. 5% carbon film

RC023

IC3

LM393 Dual Comparator

 

 

QBll6

R55

4,708 ohms, 4c1 w, 5% carbon film

R C 0 4 2

 

414C

 

Transistor

 

 

 

 

 

 

QNll7

R56

4XWOOohms,

¼

w.

5% carbon film

R C O 4 4

 

 

 

 

 

 

 

 

 

416C

 

Transistor

 

 

 

 

 

 

QPIl7

 

470,OW

Ohms,

¼

w.

5% carbon film

RCO44

 

 

 

 

 

 

 

 

 

 

416C

Transistor

 

 

 

 

 

 

QP117

E8’

39,OoOohms,

¼

w, 5% carbon film

R C 0 3 8

 

 

 

 

 

 

 

 

55OB

Transistor

 

 

 

 

 

 

QNl18

R59

10,000 ohms, ¼

w, 5% carbon film

RC0l6

 

 

 

 

 

 

 

 

556B

Transistor

 

 

 

 

 

 

QP124

R60

2.2 megOhms,

¼

w,

5% carbon film

RC028

 

 

 

 

 

 

 

 

546B

 

‘Transistor

 

 

 

 

 

 

QNl26

R6l

680,000 ohms, ¼

w,

5% carbon film

R C 0 4 6

 

 

 

 

 

 

 

 

 

550C

Transistor

seketed

 

 

 

R 6 2

27Oohms.

¼

w,

5% carbon film

RC029

 

 

 

 

 

560C

 

Transistor

seketed

 

 

i$;:9’

R 6 3

100,000

ohms, ¼ w, 5% carbon film

R C 0 1 7

 

 

 

 

 

550C

Transistor

seketed

 

 

 

R64

47,008 ohms, ¼

w. 5% carbon film

RC043

 

 

 

i$l%

 

560C

 

Transistor

seketed

 

 

R65

10,000

ohms. ¼ w. 5% carbon film

RC0l6

 

 

 

 

 

560B

Transistor

 

 

 

 

 

 

QPII8

 

1,800 ohms; ¼

w; 5% carbon film

R C 0 2 3

 

 

 

 

 

 

 

 

 

55OB

Transistor

 

 

 

 

 

 

QNll8

ii:

1,000 Ohms, ¼

w, 5% carbon film

RC015

 

 

 

 

 

 

 

 

56OB

Transistor

 

 

 

 

 

 

QPII8

R68

1,000 ohms, ¼ w, 5% carbon film

RC0l5

--

 

 

 

 

 

 

550B

Transistor

 

 

 

 

 

 

QNII8

R69

4,640 ohms, ¼ w, 5% metal film

R M 0 3 4

 

 

 

 

 

 

 

 

Jll2 FET

 

 

 

 

 

 

 

QNl3l

 

Phono Input Selector, DPDT

SPI

I2

 

 

 

 

 

 

 

 

 

 

Transformer,

Power

 

 

 

 

TAII8

::

Source Selector

 

 

SRl

I2

 

 

 

 

 

s3

Monitor

Sckctor

 

 

SR111

Fl

Fuse, 1/10A

Slo-Blo, AGC

 

 

s 4

EPL switch, 4PDT

 

 

SPI

I3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S5

Mono switch, 4PDT (assembly)

SAI

I6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

s6

Tone switch, 4PDT

 

 

SP111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Filter switch, 4PDT (assembly)

SA1

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power switch

 

 

 

SLll2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

Image 19
Contents Preamplifier Phono Preamp Section SpecificationsAdditional IntroductionPower Connections Operation Mono Switch Proper Soldering ALL Solder Used Must be Rosin Core With the front lug, and the #6 lug at the top. Insert Building the KITPage Page Ight Phono Left PHON’ Co 0 Page AC Line Connections for Overseas USE If a Problem ArisesRl Value Kohms Desired Load Kohms Additional InformationMinimizing Noise in the System Functional Block Diagram Component Values Power Supply I5L NON-COMPONENT Back Side Warranty for Factory Assembled Units Service Policy and Limited Warranty

DH-110 specifications

The Hafler DH-110 is a revered preamplifier recognized for its remarkable performance and versatility in the audio industry. First launched in the early 1980s, the DH-110 developed a reputation for delivering high-quality sound reproduction, making it a favorite among audiophiles and home theater enthusiasts alike.

One of the key features of the Hafler DH-110 is its dual-mono design, which ensures that the left and right channels are processed independently. This configuration helps to eliminate crosstalk and maintain clarity, particularly in complex musical passages. The DH-110 employs high-quality components throughout its circuitry, including metal film resistors and film capacitors, which contribute to a clean signal path and minimize distortion.

The preamplifier offers a wide range of inputs, accommodating various sources such as turntables, CD players, and tape decks. The inclusion of a phono stage for both moving magnet and moving coil cartridges is a standout feature, allowing vinyl enthusiasts to achieve optimal sound quality from their records. This versatility is enhanced by selectable input sensitivity, ensuring that each source can be tailored for the best performance.

Additionally, the DH-110 supports tone control, featuring bass and treble adjustments that enable users to dial in their desired sound signature. While some audiophiles prefer a pure, unaltered sound, the option to adjust bass and treble can be appealing for customizing the listening experience.

The design of the DH-110 exudes classic elegance, incorporating a simple yet functional aesthetic with a robust chassis designed to minimize resonance. The front panel includes clearly labeled knobs and buttons, ensuring ease of use during operation.

In terms of connectivity, the Hafler DH-110 includes both tape monitoring loops and multiple outputs, allowing seamless integration into existing audio systems. The preamplifier can be connected to various power amplifiers, delivering a balanced audio experience that meets the demands of both casual listeners and serious audiophiles.

In conclusion, the Hafler DH-110 is a testament to quality engineering, offering superior performance, versatility, and user-friendly operation. Its combination of advanced technologies, including a dual-mono architecture and high-grade components, make it a timeless choice for anyone seeking to enhance their audio experience with a reliable preamplifier. Whether for home theater use or critical listening, the DH-110 continues to be a solid investment for audio enthusiasts.