CIRCUITSRADIO.COM - Electronic schematics diagrams, circuits, service manuals, repair articles...
HOME  |  DIAGRAMS HISTORY  |  SCHEMATICS  |  SIMPLE CIRCUITS  |  ELECTRONIC COMPONENTS NEWS

CircuitsRadio, a resource for engineers, hobbyists, inventors & consultants, is a collection of 12,000+ electronic circuits or electronic schematics cross-referenced into 500+ categories to find quick solutions for electronic design problems. Bad links are removed and new circuits or schematics are added frequently.
This site contains lots of FREE electronic circuits (schematics) & do-it-yourself (DIY) circuit diagrams for hobbyists, students, professionals etc. covering a wide range of categories in electronics like audio, music,home/garden related,computer hardware,radio,robotics etc to name a few. There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff. Use the menu on the left to browse different circuit categories.
OVER 10.000 SCHEMATICS & DIAGRAMS (Catalogue of Electronic Circuits)
  Search scheme:
   
Example: Infrared control system        

Audio

1 Watt 2.3 GHz RF Amplifier Using a MRF2001
1.5V Audio Amplifier
1.5W Audio amplifier
100W Guitar Amplifier
100W RMS Amplifier
100W RMS Amplifier
10W amplifier
12 Volt 30 Amp Power Supply
150W-power amp
16 Watt amplifier
2 Watt low distortion amplifier using discrete components
2 Watt Amplifier
2-Channel Power Amplifier
2-input mixer
2-transistor amplifier
2-Way Active Loudspeaker
2.3 GHz Power Amplifiers
20 Watt / Channel Stereo Power Amplifier
20 Watt Class-A Power Amplifier
20 Watt GaAaFET Power on 2.3 GHz
20 Watt IC Power Amp- LM1875
2000 W - POWER AMPLIFIER
200W - Power amp
200W-power amp
20W Amplifier
22 Watt Audio Amplifier
2304 and 3456 MHz Power Amplifiers
240W-power amp
25 Watt MosFet Audio Amplifier
25 Watt MosFet Audio Amplifier
25 Watt MosFet Audio Amplifier
25W MOSFET amplifier
265W-power amp
2W amplifier
2W Amplifier
3 Transistor Audio Amp (50 milliwatt)
3 Transistor Audio Amp (50 milliwatt)
3-Band equalizer
3-Way Active Loudspeaker
300W - MOS power amp
300W - Subwoofer
300W Subwoofer Power Amplifier
300W Subwoofer Power Amplifier
300W Subwoofer Power Amplifier
300W-power amp
350W-power amp
3btoner - Equalizer
3tone - Equalizer
400W-power amp
4W amplifier
50 Watt Amplifier
50 Watt Amplifier
50 Watt Amplifier
50 Watt Audio Amplifier
50 watts amplifier
50W Amplifier
555 Tone Generator (8 Ohm Speaker)
555 Tone Generator (8 Ohm Speaker)
55W (Originally 75W) Power Amplifier
55W (Originally 75W) Power Amplifier
55W (Originally 75W) Power Amplifier
6 Input Mixer
6 Input Mixer 3 Mic inputs, 3 Line Inputs
6-Input mixer
600W - Power amp
68 watt audio power amplifier (LM3886) and bipolar power supply
70W-power amp
70W-power amp (2)
8 Note Tune Player
8 Watt amplifier
8 watt audio amp
8 Watt Audio Amp
8 watts amplifier
80w 1 chip audio amp
80W amplifier
90 watts audio power amplifier
90W-power amp
94W-power amp
Active Sub-Woofer and Controller
Aiwa CDC-R136 Audio Auto
Aiwa CDC-X155 Audio Auto
Aiwa CDC-X175 Audio Auto
Aiwa CDC-X1750 Audio Auto
Aiwa CS-130 Audio
Aiwa CS-131 Audio
Aiwa CT-X208 Audio Auto
Aiwa CT-X218 Audio Auto
Aiwa CT-X418 Audio Auto
AML+ Diagrams Tube Preamplifier
Ampeq. Scrambler schematic, pcb, layout
Amplified ear
Amplifier 6336A
Amplifier 7242
Amplifier Audio Note 300B kit 1
Amplifier Audio Note Ankoru
Amplifier Audio Note Conquest
Amplifier Audio Note P4
Amplifier Esoteric 46/RCA801A
Amplifier Esoteric RCA801A/RCA50
Amplifier Esoteric RCA801A/RCA801A
Amplifier Esoteric WE VT-52/45
Amplifier Fairchild model 25
Amplifier Fender "Bandmaster" model 5E7
Amplifier Fender "Bandmaster" model 6G7
Amplifier Fender "Bandmaster" model AB763
Amplifier Fender "Bassman" model 135
Amplifier Fender "Bassman" model 5B6
Amplifier Fender "Bassman" model 5E6A
Amplifier Fender "Bassman" model 5F6
Amplifier Fender "Bassman" model 5F6A
Amplifier Flutterman (lamp)
Amplifier Manley 35W
Amplifier Marantz model 5
Amplifier Marantz model 8
Amplifier Marantz model 9
Amplifier Marantz T1
Amplifier McIntosh C240
Amplifier McIntosh C275
Amplifier on the integral circuit TDA7294
Amplifier on three transistors
Amplifier Quad II (lamp)
Amplifier RCA 6082
Amplifier Rickenbacker B9A
Amplifier Rickenbacker M11
Amplifier Rickenbacker M8
Amplifier Rickenbacker M8E
Amplifier SDS EL84
Amplifier thermal protection
Amplifier timer
Amplifier TL 25+ (lamp)
Analog VU meter
Application Diagram: TDA1524
Audible metronome
Audio Amp Output Power Limiter
Audio amplifier output relay delay
Audio amplifier, very low THD
Audio Amplifiers for Small Speaker Applications (32k) Two high gain amplifiers for adding audio to many projects.
Audio Buffer
Audio Circuits
Audio frequency meter
Audio graphic equaliser
Audio Graphic Equaliser
Audio Graphic Equaliser
Audio level indicator
Audio level LED meter
Audio Level Meter
Audio line isolator
Audio line isolator
Audio mixer
Audio modular MIXER with 6 and up channel
Audio notch filer
Audio Notch Filter
Audio Notch Filter for audio frequencies 100Hz - 10KHz
Audio Oscillator- Modified Wein Bridge
Audio Peak Indicator
Audio Peak Indicator (overload)
Audio Perimeter Monitor
Audio power amplifier STK40*
Audio power amplifier TDA2025
Audio power amplifier, Application Diagram: mPC1288v
Audio power amplifier, Application Diagram: TA8215H-A ( 2x60 W )
Audio power amplifier, Application Diagram: uPC1335
Audio power amplifiers, Application Diagram: A2000V, A2005V, LM2005, TDA2004, TDA2005, MPC2005
Audio power amplifiers, Application Diagram: KA2206, KA22061, LA4180, LA4182, LA4183, LA4550, LA4555, LA4558
Audio preamplifier circuits
Audio preamplifier circuits
Audio Preamplifier with Digital Volume
Audio preamplifiers
Audio Signal Generator
Audio Signal Source
Audio SONY: A490, HCD_H450
Audio Tone Control- Shelving bass and treble tone controls.
Audio Voice-Over Circuit
Audio VU Meter
Audio-video switch. This is an 8-input x-output audio/video switch module to be controlled from a computer, for example from the parallel port.
Auto Fade for Audio signals
Auto Volume Control
Automatic Charger for Battery Operated Hi-Fi Preamps
Automatic gain control (AGC) circuits
AUTOMATIC SWITCH FOR AUDIO POWER AMPLIFIER
B16, B16D - tube amplifier
B16A, B16AD - tube amplifier
Balanced Line Driver & Receiver
Bell ring generator
Bi-Directional 2.4 GHz One Watt Amplifier
Bi-Directional 900Mhz One Watt Amplifier
Bias circuits
Blaupunkt frankfurt rcm82
Blaupunkt granada sqr 49
Boss. Heavy Metal HM-2, Metalzone
Bridge (Stereo to Mono), Power amplifier converter with electonic Balance input
Bridging Adapter For Power Amplifiers
brighten - Equalizer
Bull Horn
CD-ROM Drive as Digital-audio CD-Player
Class A Buffer preamplifier module
Class A preamplifier module with IC
CMOS IC audio oscillator
Code practice oscillator
Collection of little Bridge Power Amplifier
Computer Microphone
Computer Speaker Amplifier (12k) This three-transistor amplifier delivers about 2 watts to an 8 ohm speaker.
Condenser microphone hookup
Condenser microphone hookup
Crest. LT/ST Switching amplifier
Crystal DAC
Crystal Radio Amplifier (16k) An unusual amplifier that gives room-filling volume with a few parts.
Danelectro Silvertone 1484 Preamp. Tube Preamplifier
David Hafler DH100 Transistor Preamplifier (part 1)
David Hafler DH100 Transistor Preamplifier (part 2)
DC Protection and Delay time for P.Amp. - Loudspeaker 1
DC/DC - SMPS
Death of Zen (DoZ) - A New Class-A Power Amp
Decoding IR Remote Controls
Dekoder-Subwoofer
Digital Delay Unit For Surround Sound
Digital noise generator (PDF)
Digital volume control
Digital Volume Control
DIGITAL VOLUME CONTROL
Digital Volume Control
Direct Injection Box for Recording & PA Systems
Directbox - "10 to one voltage divider" for direct input
Discrete power amplifier with current-mirror
DOD Envelope Filter440 - Equalizer
DOD. 525 Compressor limiter. Death Metal
Doorphone intercom
Doorphone Intercom
Doorphone Intercom
DPA 220 schematic
DPA 220 schematic
DPA 440 schematic
DPA 440 schematic
DPA 880 schematic
DPA 880 schematic
Dual Pre-Amp & A/B Box
Dual Voltage Controlled Filter w/Modulator
Dual Voltage Controlled Oscillator w/Modulator
Dynamic Microphone Preamp - These are often found inside old 2way radio microphones
Dynamic Microphone Preamplifier
Dynamic microphone to electret microphone input
ECM Mic Preamplifier
El-Cheapo - A Really Simple Power Amplifier
Electret microphone powering circuits
Electro-Harmonix. Soul Preacher
Electrocompaniet - The 2 Channel Audio Power Amplifier
Electronic 3 Way Crossover -24dB/oct.
Electronic attenuator (simple)
Electronic Balance Input to Electronic Balance output
Electronic Balance input with Gain and Volume
Electronic canary
Electronic Canary
Electronic siren
Electronic siren
Electronic siren
Electronic whistle
Electronic Whistle
Epiphone. Electar Tube 10, 30.
Equalizer with Parametric Mid
Expandable Graphic Equaliser
Fast Audio Peak Limiter
Fender. Bandmaster mod., Bandmaster reverb mod., Bassman mod., 75w lead amp with reverb, Frontman reverb: schematic, layout
FET audio mixer
FET Audio Mixer
Gibson GA-15 - tube amplifier
Gibson GA-20 - tube amplifier
Gibson GA-25 - tube amplifier
Gibson GA-30b - tube amplifier
Gibson. GA-15, 20, 25, 30b
Graphic Equalizer 10 Band [A]
Graphic Equalizer 10 Band [B]
Graphic Equalizer 3 Band
Graphic Equalizer 5 Band with tranzistor.
Graphic Equalizer 6 Band
Gyrator - used in graphic equaliser
HAFLER DH-200 - Power amplifier 100W with V-MOSFET
Hampton Tube Preamplifier for moving coil pick-up cambrige with ECC88
HeadBanger Headphone Amp
Headphone amplifier
Headphone amplifier
Headphone Amplifier
Headphone amplifier in Class A [2]
Headphone amplifier with TDA2004
HEADPHONE AMPLIFIERS
Headphone distribution amp
Headphone monitor amp
Hi-Fi Headphone Amplifier
Hi-Fi Preamplifier
Hi-Fi Preamplifier
Hi-Fi Preamplifier
Hi-Fi Preamplifier
Hi-Fi RIAA Phono Preamplifier for moving magnet cartridge. Part 1
Hi-Fi RIAA Phono Preamplifier for moving magnet cartridge. Part 2
HI-FI sistem (BG)
High power 12v amplifier
High Power amplifier 170W in 8 ohms
High Power amplifier 300W
High quality exponential VCA
High Quality Sound Mixer
hpreb - amplifier
hpreg - amplifier
Hughes & Kettner. Guitar Amps: Tube Factor, Tube Man II, Redbox Pro, Club Reverb, Tour Reverb. Bass Amps: Bass Force L.
Ibanez. Sonic Distortion
Improved PL tone decoder
Intercom preamp
IR Detector
JE-990 Discrete Op amp
LA1362 ( Volume, Mono )
Led flasher with audio
LG FFH-150 schematics
LG-TCC2010 Audio Auto
LG-TCC2510 Audio Auto
LG-TCC2515 Audio Auto
LG-TCH70 Audio Auto
Life in a Vacuum. (EL34, RB300)
Line level signal to microphone input adapter
Linkwitz Cosine Burst Generator
LM358 preamp
LM383 12V Amplifier
Load Sensing Automatic Switch
Loudspeaker Protection and Muting
Low Frequency Sinewave Generator
Low impedance microphone amplifier
Low level audio amp
Low Noise Balanced Microphone Preamp
Low Noise Microphone Preamplifier
Low Power Op-Amp - Audio Amp (Intercom)
Low Power Op-Amp - Audio Amp (Intercom)
Low power RFID transponder
Low-Frequency Amplifier KA2206 (2x2,3W) amp
Low-Frequency Amplifier KA22061 (2x2,3W) amp
Low-Frequency Amplifier KIA6205 (2x15W) amp
Low-Frequency Amplifier KIA6210 (2x18W) amp
Low-Frequency Amplifier LA4180 (2x1W) amp
Low-Frequency Amplifier LA4182 (2x2,3W) amp
Low-Frequency Amplifier LA4183 (2x2,3W) amp
Low-Frequency Amplifier LA4550 (2x2,1W) amp
Low-Frequency Amplifier LA4555 (2x2,3W) amp
Low-Frequency Amplifier LA4558 (2x2,4W) amp
Low-Frequency Amplifier LM12 (150 W) amp
Low-Frequency Amplifier TA8205 (2x15W) amp
Low-Frequency Amplifier TA8210 (2x19W) amp
Low-Frequency Amplifier TA8215H-A (60W) amp
Low-level audio amp
M51133P ( Volume, Balance, Stereo )
M51523L ( Volume, Balance, Stereo )
Magnetic cartridge amplifier
Marshall JCM 900 Preamp/ Tube Preamplifier
Marshall Master Volume Preamp/ Tube Preamplifier
Marshall. JCM 2000 Super Lead Standard, JCM 900, JCM 800.
Master Volume for Tube Amps
Mega phone circuit 9v
Mesa/Boogie Mark I Preamp/ Tube Preamplifier
Mic Preamp
Mic Preamp
Mic Preamp- Based on SSM-2017
Mic-Line electronic balance input, with Gain -filter
Microphone mixer
Microphone Mixer
Microphone phantom power supply
Microphone Preamp
Microphone preamplifiers
Midi adapter for soundcard, with indicators. by george shepelev 2:461/124@fidonet
Midi Passthrough Circuit
Midi-keybord
Mini audio spectrum analyzer
Mini bench amplifier (LM386)
Mini power amplifier for headphone in Class A
Minimalist Discrete Hi-Fi Preamp
Module 1 Line amplifier in Class A
Moving Coil Head pre-preamlifier
MS Stereo Decoder
MS Stereo Microphone
mu
Multi-chip programmer
Multiplex decoder with TDA1578 [1]
Noise generator
On Board Guitar Preamps
Op amp circuit
Op amp circuit #1- Basic inverting and non-inverting circuits.
Op amp circuit #2- Simple op amp differential amplifier ("balanced" input).
Op amp circuit #3- True balanced / instrumentation style input circuit.
Op amp circuit #4- Simple 4-input mixer stage.
Op amp circuit #5- Single supply op amp circuit.
Op Amp Power supply- Dual +/- power supply.
Outline. SHD 5000
Panasonic CQ-J03LEE Audio Auto
Panasonic CQ-R30GLEE Audio Auto
Panasonic CQ-R30LEE Audio Auto
Panasonic CQ-R30VEG Audio Auto
Panasonic CQ-R35LEE Audio Auto
Panasonic CQ-R35VEG Audio Auto
Panasonic CQ-RD40LEN Audio Auto
Panasonic CQ-RD45LEN Audio Auto
Panasonic RC-X160 Audio
Panasonic RX-CT820 Audio
Panasonic RX-CT870 Audio
Panasonic RX-CT900 Audio
Panasonic RX-DS15 Audio
Panasonic RX-DT30 Audio
Panasonic RX-DT600 Audio
Panasonic RX-FS470 Audio
Panasonic RX-FT570 Audio
Panasonic SA-CH32 Audio
Parabolic dish mic amplifier
Paradoxical Sound Syntheizer
Paradoxical sound synthesizer
Parametric And Sub-Woofer Equaliser
Peak reading audio level meter
Peak Reading Audio Level Meter
Peak Reading Audio Level Meter
Perfect DAC
Personal stereo audio amp
Phase shifter
Phone Line to Audio
Phono Preamplifier. Simple circuitry for moving magnet cartridges
Phono Preamps For All
Pioneer KEH-1100 Audio Auto
Pioneer KEH-1150 Audio Auto
Pioneer KEH-1300 Audio Auto
Pioneer KEH-1311 Audio Auto
Pioneer KEH-1400 Audio Auto
Pioneer KEH-1450 Audio Auto
Pioneer KEN-5400 Audio Auto
Player FIRST
PLL Stereo Decoder with LM1800 [4]
Portable headphone amplifier
Power amp schematic (PDF)
Power Amplifier 100W with V-MOSFET transistor [1]
Power amplifier 12W with MOS FET transistor
Power amplifier 2X18W in 4ohms with TDA1516Q
Power amplifier 2X5W in 4ohms with TDA1516Q
Power amplifier 30W
Power amplifier 35W with LM391
Power Amplifier 40W Class A By Nelson Pass
Power amplifier 45W with HEXFET
Power Amplifier 60W / 8 Class AB
Power amplifier 60W /8ohm Class AB
Power Amplifier 60W Class A
Power amplifier 65W with HEXFET
Power Amplifier Clipping Indicator
Power amplifier for Loudspeaker 6.5W 8R
Power Amplifier with STK40xx series module IC
POWER AMPLIFIRS
Preamplifiers, audio
Precision audio millivoltmeter
Precision Audio Millivoltmeter. Measures 10mV to 50Volt RMS in eight ranges
Protection 2 for Power Amplifier and Loudspeakers
Push-Pull Class A 2A3 Stereo Amp
Push-Pull Class A Amp using type 5687 dual triodes
QUAD - 306. QUAD power amplifier
QUAD - 34. QUAD power amplifier
QUAD - 405. QUAD power amplifier
Quadraphonic Amplifier
Radio Cassete Recorder FIRST ¹556
Rane DA216a distribution amplifier/ Transistor Preamplifier
Rane DMS 22 - 2-CHANNEL MICROPHONE Transistor PREAMPLIFIER
Rane MS 1 - MICROPHONE PREAMPLIFIER/ Transistor Preamplifier
Rane PS 1 - PHONO Transistor PREAMPLIFIER
Rane VP 12 - VOICE PROCESSOR/ Transistor Preamplifier
Rane. Real-Time spectrum analyzer, Compressor, Swiss army mixer, Active crossover, Crossover, Graphic equalizer, Headphone controller, Microphone amplifier, Microphone equalizer, Mixer.
Remove common signal from Stereo sound
Reverb Amplifier Fender "Bandmaster" model AA1069
Reverse RIAA Equaliser
RIAA Equalized Stereo Phono Preamp
RIAA phono amp
RIC. Power Amp, Preamp.
Rickenbacker B9A - amplifier
Room noise detector
Samsung MAX-445 Audio
Samsung MAX-555 Audio
Samsung MAX-800 Audio
Samsung MAX-805 Audio
Samsung MAX-900 Audio
Samsung MAX-920 Audio
Samsung MAX-960 Audio
Samsung MAX-980 Audio
Samsung MM16 Audio
Self-powered Sine to Square wave Converter. Converts sine to square waves without a power-source
Service Manual. CD Mechanism 4ZG-1. Basic CD Mechanism KSM-2131FAM, 3ZG-2 E1/ E2/ E3. AIWA. 2138Kb
Signal Detecting Auto Power-On Unit
Silver Crown RX-22 (50 Kb) tapre recorder
Silver DAC / V 3.5 DAC
Simple amplifier
Simple circuit to connect telephone equipment to audio mixer
Simple DAC
Simple Discrete Op amp- made with common transistors
Simple headphone amplifier on OP amp
Simple line mixer
Simple Microphone Amplifier
Simple microphone preamplifier
Simple Surround Sound Decoder
Simple Surround Sound Decoder
Simple transistor headphone amplifier
Simple two line output combiner
Simplest Ever Amplifier Bridging
Sine wave generator
Single Chip 50 Watt / 8 Ohm Power Amplifier
Single Ended Class A2 SV811-10 Stereo Amp
Single-Ended vs Push-Pull. (Scott Francland) part 1
Single-Ended vs Push-Pull. (Scott Francland) part 2
Six-channel Mixer and Amplifier
Soft start for PA
Soft Switching Amplifier with Tone Controls
Soft-Start Circuit For Power Amps
Some BJT's suitable for power amplifiers
Sony (models: D-190, D-191, D-191SR, D-192CK, D-193) schematics
Sony CDX-1150 Audio Auto
Sony CFS-B7SMK2 schematics
Sound Blaster Preamp - Fixes that well known problem and needs no batteries
Sound control, volume, balance, treble and bass.
Sound detector
Sound filters 45-90Hz
Sound level meter
Sound Level Meter
Sound Mixer/Amplifier
Sound triggered flash. If you wish to take a picture of a fleeting event which generates a sound, you can do it with this sound activated trigger. (simple)
Spatial Distortion Reduction Headphone Amp
Speaker Microphone Circuit
Speaker Microphone Circuit- allows you to use a cheap loudspeaker as a microphone.
Speaker signals to line level inputs
Speaker signals to line level inputs
Speech Recorder
Speetch filter- Band pass (300HZ to 3KHZ)
Spring reverb unit
Stereo Audio mini MIXER MIC-LINE for PC Audio Card
Stereo Car CD Receiver AIWA CDC-Z106- Service Manual (Schematic diagrams)
STEREO CASSETTE PLAYER
Stereo Ducker
Stereo line driver
Stereo Line Driver
Stereo Line Driver
Stereo Multiplex Decoder with CA3090Q [2]
Stereo Preamplifier with elect. adjustment Volume-Balance-Treble-Bass
Stereo Radio Cassette Recorder 350K
Stereo Radio Cassette Recorder AM1004
Stereo Radio Cassette Recorder AM1006
Stereo Radio Cassette Recorder AT490
Stereo Radio Cassette Recorder CFS-W 430L
Stereo Radio Cassette Recorder EC710K
Stereo Radio Cassette Recorder EK105
Stereo Radio Cassette Recorder EK205
Stereo Radio Cassette Recorder EK460
Stereo Radio Cassette Recorder EK560
Stereo Radio Cassette Recorder GF9090/GF9090X
Stereo Radio Cassette Recorder ICF-C26 / ICF-C26A
Stereo Radio Cassette Recorder SH202
Stereo Radio Cassette Recorder SH760
Stereo Width Controllers
Subwoofer Equaliser
Surround Sound Decoder
Surround Sound Decoder Mk2
Swiss army preamp
Symmetrical amplifier
Symmetrical amplifier without differential first stage
Symmetrical class A Line amplifier 1
Symmetrical class A Line amplifier 2
Tape Head Demagnetizer Cassettes - Demagnetizer cassettes contain a battery powerd circuit
TDA 2030 Amplifier
TDA2030 8 Watt amplifier
TDA2030 8 Watt amplifier
TDA8196 ( Volume, Selector, Mono )
TDA8199 ( Volume, Stereo )
Technics AZ6 Audio
Technics AZ7 Audio
Technics RS-373 Audio
Technics RS-474 Audio
Technics RS-575 Audio
Technics RS-AZ6 Schematics
Technics RS-AZ7 Schematics
Technics RS-TR373 Schematics
Technics RS-TR474 Schematics
Technics RS-TR575 Schematics
Technics SL-PG480A Audio
Technics ST-GT350 Audio
Technics SU-A700MK2 Audio
Technics SU-V620 Audio
Telephone amplifier
TELEPHONE AMPLIFIER
Telephone recording circuit
The Audio Note Conquest 300B parallel single ended power amplifier
Thermo-Fan To Keep Your Amp Cool
Three band Active Tone Control
Three channel "snap"
Three Level Audio Power Indicator. Battery-operated 3 LED display
Three Tube PHONO (RIAA) Preamplifiers with ECC83
Tone control
Tone control
Tone Control
Tone Control
Tone Control
Tone Controls
Tone Controls
Tone detector
Tone display system
Tone generator
tonnects - Equalizer
Transistor Organ
Transistor power amplifier schematics
Tube active crossover
Tube amplifier
Tube Line Preamplifier Progect 1
Tube Power Amplifier 35W with EL34
Tube Power amplifier 3W with 6BX7
Tube power amplifier 8W with EL84
Tube Power Amplifier Dynaco ST-70 with 2xEL34
Tubesaurus Rex, J.C.Morrison
Twin-T Audio Sine Wave Oscillator
Two tone siren
Two transistor audio amplifier
Two-tone siren
Ultrasonic generator
Ultrasonic receiver
Underwater microphone
Underwater microphone
Updated 60-100W Hi-Fi Power Amplifier
Updated 60-100W Hi-Fi Power Amplifier
Upgrade player Panasonic rq-p45
Use amplifier phono input as line level input
Use amplifier phono input as line level input
Variable Amplifier Impedance
Variable High-Pass 20HZ to 200HZ Filter
Various tube crossover circuits
Very loud beeper (PDF)
Voltage controlled amplifier
Voltage controlled amplifier
Voltage Controlled Mixer w/Modulator
Voltage Controlled Panner
Vox (Thomas) Brilliant Channel Preamp. Transistor Preamplifier
Vox (Thomas) Normal Channel Preamp. Transistor Preamplifier
Vox (Thomas) Bass Channel Preamp. Transistor Preamplifier
Vox Berkeley Preamp/ Tube Preamplifier
Vox Top Boost Preamp/ Tube Preamplifier
voxtbp - amplifier
VU And PPM Audio Metering
VU Meter 1 with transistor. It is a simple circuit of optical index of level of sound signals, adapted in various needs of user.
VU Meter 2 with LM3915-LM3916 [19 Led]
VU Meter 3 with LM3915 [10 Led]
VU Meter 4 with LM3915 [10 Led] for Power Amp.
VU Meter 5 with UAA180
Warbler
Wireless microphone
Yet some more schematics of power amps





[ New diagrams search ]

Datasheet catalog Repair Schematics Developers Books Palm software chinovnikam.net
 
 Copyright © CircuitsRadio.com 2005 - 2010 (Circuits diagrams)   Circuits, Schematics, Diagrams, Electronic, Datasheets
Valid HTML 4.01 TransitionalValid CSS!