THROUGH-HOLE Audio & Video Amplifiers 1,460

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Part RoHS Manufacturer General IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Surface Mount No. of Functions No. of Channels Technology Screening Level Nominal Bandwidth Maximum Supply Current Power Supplies (V) Harmonic Distortion Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Gain Minimum Operating Temperature Terminal Finish Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Nominal Output Power Maximum Seated Height Width Qualification Minimum Supply Voltage (Vsup) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Nominal Noise Figure Length

UA733MJ883B

Texas Instruments

VIDEO AMPLIFIER

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

1

BIPOLAR

MIL-STD-883 Class B

200 kHz

+-6

.0006 %

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

125 Cel

52 dB

-55 Cel

DUAL

R-GDIP-T14

6 V

5.08 mm

7.62 mm

Not Qualified

6 V

19.56 mm

LM6181AMN

Texas Instruments

VIDEO AMPLIFIER

MILITARY

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

50 kHz

IN-LINE

2.54 mm

125 Cel

-55 Cel

DUAL

R-PDIP-T8

32 V

5.08 mm

7.62 mm

7 V

9.817 mm

LM4782TA

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

27

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

3

.02 kHz

120 mA

+-25

FLANGE MOUNT

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

85 Cel

-20 Cel

TIN LEAD

ZIG-ZAG

R-PZFM-T27

1

64 V

25 W

Not Qualified

20 V

e0

LM4702CTA

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL EXTENDED

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

30 mA

+-50/+-75

.05 %

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

75 Cel

-20 Cel

TIN LEAD

ZIG-ZAG

R-PZFM-T15

1

75 V

Not Qualified

20 V

e0

NE592J4

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

LM4702BTA

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL EXTENDED

THROUGH-HOLE

15

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

.05 %

FLANGE MOUNT

75 Cel

-20 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T15

1

100 V

20 V

e3

40

260

LM4702CTA/NOPB

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL EXTENDED

THROUGH-HOLE

15

ZIP

RECTANGULAR

UNSPECIFIED

NO

1

2

.02 kHz

30 mA

+-50/+-75

.05 %

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

75 Cel

-20 Cel

MATTE TIN

ZIG-ZAG

R-XZFM-T15

1

75 V

Not Qualified

20 V

e3

LM3876T/NOPB

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

11

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.02 kHz

70 mA

FLANGE MOUNT

ZIP11,.2,.17,67TB

Audio/Video Amplifiers

1.7 mm

85 Cel

-20 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T11

1

56 W

Not Qualified

OPERATES WITH 24V TO 84 SUPPLY

e3

LM3875TF

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

11

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

.02 kHz

70 mA

FLANGE MOUNT

ZIP11,.2,.17,67TB

Audio/Video Amplifiers

1.7 mm

85 Cel

-20 Cel

TIN LEAD

ZIG-ZAG

R-PZFM-T11

1

84 V

56 W

Not Qualified

20 V

e0

LM4950TA/NOPB

Texas Instruments

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

9

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

FLANGE MOUNT

85 Cel

-40 Cel

TIN

ZIG-ZAG

R-PZFM-T9

1

16 V

3.1 W

Not Qualified

9.6 V

e3

NE592AJ4

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

LM4780TA

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

27

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

170 mA

+-35

FLANGE MOUNT

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

85 Cel

-20 Cel

TIN LEAD

ZIG-ZAG

R-PZFM-T27

1

84 V

60 W

Not Qualified

20 V

e0

LM4780TA/NOPB

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

27

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

170 mA

+-35

FLANGE MOUNT

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

85 Cel

-20 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T27

1

60 W

Not Qualified

OPERATES WITH 20V TO 84V SUPPLY

e3

LM4950TA

Texas Instruments

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

9

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

FLANGE MOUNT

85 Cel

-40 Cel

ZIG-ZAG

R-PZFM-T9

16 V

7.5 W

9.6 V

UA733MJ

Texas Instruments

VIDEO AMPLIFIER

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

1

BIPOLAR

200 kHz

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

125 Cel

52 dB

-55 Cel

DUAL

R-GDIP-T14

6 V

5.08 mm

7.62 mm

Not Qualified

6 V

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

LM384N

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

.45 kHz

25 mA

10 %

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

34 dB

0 Cel

TIN LEAD

DUAL

R-PDIP-T14

1

26 V

5.5 W

5.08 mm

7.62 mm

Not Qualified

12 V

e0

19.18 mm

LM4702C

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL EXTENDED

THROUGH-HOLE

15

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

.05 %

FLANGE MOUNT

75 Cel

26 dB

-20 Cel

SINGLE

R-PSFM-T15

Not Qualified

LM4702B

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL EXTENDED

THROUGH-HOLE

15

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

.05 %

FLANGE MOUNT

75 Cel

26 dB

-20 Cel

SINGLE

R-PSFM-T15

Not Qualified

NE592AJ

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

Not Qualified

LM4730TA

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

.02 kHz

100 mA

+-17

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

85 Cel

-20 Cel

Tin/Lead (Sn85Pb15)

ZIG-ZAG

R-PZFM-T15

1

25 V

14 W

Not Qualified

10 V

e0

40

260

LM4864N

Texas Instruments

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

CMOS

.02 kHz

6 mA

1 %

IN-LINE

DIP8,.3

Audio/Video Amplifiers

2.54 mm

85 Cel

-40 Cel

TIN LEAD

DUAL

R-PDIP-T8

1

5.5 V

.675 W

5.08 mm

7.62 mm

Not Qualified

2.7 V

e0

9.817 mm

NE592NP3

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

BIPOLAR

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

LM4782TA/NOPB

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

27

ZIP

RECTANGULAR

UNSPECIFIED

NO

1

3

.02 kHz

120 mA

+-25

FLANGE MOUNT

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

85 Cel

-20 Cel

MATTE TIN

ZIG-ZAG

R-XZFM-T27

1

25 W

Not Qualified

OPERATES WITH 20V TO 64V SUPPLY

e3

LM4765T

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.02 kHz

80 mA

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

85 Cel

110 dB

-20 Cel

TIN LEAD

ZIG-ZAG

R-PZFM-T15

1

64 V

30 W

Not Qualified

20 V

e0

LM381N

Texas Instruments

AUDIO PREAMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.01 kHz

.1 %

IN-LINE

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

40 V

5.08 mm

7.62 mm

9 V

19.18 mm

LM4766TF

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.02 kHz

100 mA

+-30

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

85 Cel

-20 Cel

TIN LEAD

ZIG-ZAG

R-PZFM-T15

1

60 V

30 W

Not Qualified

20 V

e0

LM1837N

Texas Instruments

AUDIO PREAMPLIFIER

COMMERCIAL

THROUGH-HOLE

18

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.01274 kHz

IN-LINE

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T18

18 V

5.08 mm

7.62 mm

4 V

21.78 mm

LM4766T/NOPB

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

15

ZFM

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.02 kHz

100 mA

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

70 Cel

115 dB

0 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T15

1

66 V

50 W

4.62 mm

17.501 mm

Not Qualified

20 V

e3

112 dB

20.015 mm

NE592AJP4

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

LM4731TA

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

15

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

FLANGE MOUNT

85 Cel

-20 Cel

ZIG-ZAG

R-PZFM-T15

56 V

25 W

20 V

UA733MJB

Texas Instruments

VIDEO AMPLIFIER

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

1

BIPOLAR

38535Q/M;38534H;883B

200 kHz

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

125 Cel

52 dB

-55 Cel

DUAL

R-GDIP-T14

6 V

5.08 mm

7.62 mm

Not Qualified

6 V

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

LM6181IN/NOPB

Texas Instruments

VIDEO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

100 kHz

IN-LINE

2.54 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDIP-T8

1

5.08 mm

7.62 mm

Not Qualified

e3

9.817 mm

LM1896N

Texas Instruments

AUDIO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

2

BIPOLAR

25 mA

10 %

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T14

10 V

1.3 W

5.08 mm

7.62 mm

Not Qualified

3 V

e0

19.18 mm

NE592AN3

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

BIPOLAR

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

LM4700TF

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

11

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

.02 kHz

FLANGE MOUNT

85 Cel

-20 Cel

ZIG-ZAG

R-PZFM-T11

30 W

OPERATES WITH 20V TO 66V

LM4766TF/NOPB

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

.02 kHz

100 mA

+-30

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

85 Cel

-20 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T15

1

60 V

30 W

Not Qualified

20 V

e3

LM4732TA

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

27

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

FLANGE MOUNT

85 Cel

-20 Cel

ZIG-ZAG

R-PZFM-T27

80 V

50 W

20 V

LM3875T

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

11

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

.02 kHz

FLANGE MOUNT

85 Cel

-20 Cel

ZIG-ZAG

R-PZFM-T11

84 V

56 W

20 V

LM4871N

Texas Instruments

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

CMOS

.02 kHz

10 mA

10 %

IN-LINE

DIP8,.3

Audio/Video Amplifiers

2.54 mm

85 Cel

-40 Cel

TIN LEAD

DUAL

R-PDIP-T8

1

5.5 V

1.5 W

5.08 mm

7.62 mm

Not Qualified

2 V

e0

9.817 mm

LM1875TLB03/NOPB

Texas Instruments

AUDIO AMPLIFIER

THROUGH-HOLE

5

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

.02 kHz

1 %

FLANGE MOUNT

26 dB

ZIG-ZAG

R-PZFM-T5

30 V

25 W

Not Qualified

8 V

NOT SPECIFIED

NOT SPECIFIED

LM4733TA

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

27

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

3

.02 kHz

150 mA

+-24

FLANGE MOUNT

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

85 Cel

-20 Cel

Tin/Lead (Sn85Pb15)

ZIG-ZAG

R-PZFM-T27

1

32 V

30 W

Not Qualified

10 V

e0

40

260

LM6172AMJFQML

Texas Instruments

VIDEO AMPLIFIER

MILITARY

THROUGH-HOLE

8

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

2

BIPOLAR

MIL-PRF-38535 Class Q

130 kHz

IN-LINE

2.54 mm

125 Cel

-55 Cel

TIN LEAD

DUAL

R-GDIP-T8

1

36 V

5.08 mm

7.62 mm

Not Qualified

5.5 V

ALSO OPERATES AT +/-15 AND +/-5 VOLTAGE SUPPLY ALSO

e0

NE592AN

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

BIPOLAR

90 kHz

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

52.9 dB

0 Cel

DUAL

R-PDIP-T14

8 V

Not Qualified

3 V

NOT SPECIFIED

NOT SPECIFIED

LM4781TA/NOPB

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

27

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

3

.02 kHz

150 mA

+-28

FLANGE MOUNT

ZIP27,.16,.16,40

Audio/Video Amplifiers

1 mm

85 Cel

-20 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T27

1

35 W

Not Qualified

OPERATES WITH 20V TO 70V SUPPLY

e3

LM3876TF/NOPB

Texas Instruments

AUDIO AMPLIFIER

OTHER

THROUGH-HOLE

11

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

.02 kHz

70 mA

.1 %

FLANGE MOUNT

ZIP11,.2,.17,67TB

Audio/Video Amplifiers

1.7 mm

85 Cel

26 dB

-20 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T11

1

42 V

56 W

Not Qualified

12 V

e3

NE592JP4

Texas Instruments

VIDEO AMPLIFIER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

BIPOLAR

27 mA

+-6

IN-LINE

DIP14,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

TPA3125D2N

Texas Instruments

AUDIO AMPLIFIER

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

CMOS

.022 kHz

30 mA

24

IN-LINE

DIP20,.3

Audio/Video Amplifiers

2.54 mm

85 Cel

26 dB

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T20

26 V

36 W

5.08 mm

7.62 mm

Not Qualified

10 V

e4

25.4 mm

LM387AN

Texas Instruments

VIDEO PREAMPLIFIER

COMMERCIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

1

BIPOLAR

.01 kHz

10 mA

14

.1 %

IN-LINE

DIP8,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T8

40 V

5.08 mm

7.62 mm

Not Qualified

9 V

e0

9.817 mm

Audio & Video Amplifiers

Audio and video amplifiers are electronic devices that increase the amplitude or power of an audio or video signal. These amplifiers are commonly used in home theater systems, music players, and sound reinforcement systems to provide a higher-quality audio or video experience.

Audio amplifiers are designed to amplify the electrical signals that represent sound, such as music or speech. These amplifiers can be classified into several types based on the way they amplify the signal. Some of the most common types of audio amplifiers include:

1. Class A amplifiers - These amplifiers use a single transistor or tube to amplify the signal. They provide high-quality sound but are less efficient than other types of amplifiers.

2. Class B amplifiers - These amplifiers use two transistors or tubes to amplify the signal. They are more efficient than class A amplifiers but can suffer from distortion at low volume levels.

3. Class AB amplifiers - These amplifiers combine the characteristics of class A and class B amplifiers, providing a balance of high-quality sound and efficiency.

Video amplifiers are designed to amplify the electrical signals that represent video, such as those from a DVD player or cable box. These amplifiers can be used to improve the quality of the video signal, reduce noise and interference, and provide a clearer picture.

Both audio and video amplifiers can be integrated into a variety of different devices, such as receivers, preamplifiers, and power amplifiers. They can also be designed to work with specific types of audio or video signals, such as analog or digital.