View Full Version : Solid State
- Disabling Nakamichi AV-10 fan ?
- Current FB Input Stage Idea (power amp)
- LM4780 stereo Power-amp PCB design
- Class AB amp made by me.
- NAD 3150 Repair experience? advice needed
- Bias current adjustment of Pioneer SA-8500II amplifier
- Wiring question
- output transistors are dead?
- Hifonics Colossus xi and Zues xi
- Disable XO on a SA240 from Parts Express
- Cyrus 2 Repair Advice Needed
- Negative feedback and distortion
- My father sends message
- Auricap
- Cambridge Audio P70 Integrated Amplifier
- Stan Curtis
- Upper Limits of Biasing 2SC2922 2SA1216
- Quatre QMI Gain Cell Series Amps
- fisher pa301
- ipod nano dock
- JLH Class A headphone amplifier
- Yamaha CA-400 asymmetrical power rails?
- Need help with Hafler DH-500...I'm a newb.
- Bogen GS60 Problem
- One Mono Gone Bad!!!
- fault diagnosis on 2 Heybrook amps
- Possible fet based soft start circuit
- Feedback and output impedance
- Small class a amplifier project
- simple ne5532 and irf630
- Naim Audio Power Amp Grounding Question
- Help deciding on my first amp build please.
- New amp testing, Noob needs input.
- Replacing Peavey keyboard amp speakers
- End Millennium Pseudo-clone Amp
- Arcam Alpha 5 Problem
- Compound Lateral FET for higher power Class AB amp.
- looking for some help / advice
- waiting ur comments
- Who invented Diamond Buffer?
- Akai AM-37 problems - distorted sound
- Luxman LV-105u vs LV-107u
- The Class-D company/ NX400 module/ ALFET LATERAL MOSFETS
- Crimson 610 Preamp Help!
- esp P68 mods
- what do think about this schematic?????
- 2sa1011 Transistor Test
- Rebuilding the Traynor Mono Block II
- need help with leach amplifier
- Mark Levinson nr 26 vintage
- marantz 2385 output transistors
- AM Reception for Sherwood S-7900A AM/FM Receiver
- My amp makes a warble noise! :I
- Any thoughts on Pioneer SC35?
- Sherwood S-7900A AM/FM Receiver
- Adcom 555 Upgrade
- Powered sub amps?
- Transistors matching for double input stage (symmetrical)
- JVC amp - Right ch. not working
- Very dim digital readout
- QSC Series Three 3500 as guitar/wedge amp?
- Luxman
- plzz help meeeeeeeeeee
- Cambridge Azur 540R pre-out mod
- 100watt guitar amplifier
- Talk about solid state..Pioneer SX-440
- Good p-channel substitute for 2N5457 needed
- power but not switched on?
- A very interesting amplifier schem , do someone knows more about??
- What you think about this schematic?
- amplifier for keyboard.....
- Simple Audio Amplifier For Learning Purpose
- BJT or MOSFET for low noise voltage follower
- Got huge heatsinks - which amp to build ?
- Wanted: Schematic for Crest VS900
- 100-watt sub woofer amplifier
- Solec Ic-46 Japan
- 100Watt amp help
- Laney guitar amp, pre amp is dead
- A Commercial HiFi Amp Error..
- Vintage home theatre
- Need push pull driver transformer for SS amp
- OT: What kind of madness is this?
- Three Phase Brushless Motor Amplifier
- Need Help
- Marantz PM80 trouble
- Cyrus 3 switch on thump?
- Transformer based voltage gain + unity gain stage?
- Monster amp :-)
- Spectral schematics
- GFA-555 Service Manual
- Multi Cap Draw backs
- First solid-state amp was from...Cerwin-Vega?!? OR not?
- Estimating heatsink thermal resistance
- Is this output arrangement OK?
- help with MOSFET AMP
- Criteria for well behaved clipping
- Acoustic 450 schematic
- Carver PM350 Schematics wanted
- Belles Series 1 power/current rating
- Bridging power amps
- dynacord powermate 600
- Mission Cyrus One - Is it all over?
- marantz SR5000 clicks but makes no sound
- First DIY-input appreciated
- Intermittent protection issue with NAD 7155
- My easy class a amp.
- carver HR-895 popping/noise on right channel and headphones - plz help
- Opamp runnig hot
- Emotiva XPA-1 vs Jungson 99D
- MCIntosh MC2505???
- Parasound HCA-800-II schematic anyone?
- Crest 4000 amplifier info needed
- PCB for LME49830
- Big Electro Research Class A amp
- Current and Future SiC Output Devices: Where is the greatest audio potential?
- Marantz SR4500 no treble in 1 channel
- quite simple volume control
- Schematic for Arcam Alpha AV50
- Quad 303 better for bass or for treble?
- Cyrus 5 problem
- amplifier failure modes
- KODA clone - slightly new topology (1000 watt amp)
- Choosing rail voltage in Class A, Power Follower Amp
- Looking to use up a few fets I have. IRG4PC50UD
- Total Noob- need some advice/ direction
- New to DIYAudio Help With New Build?
- Minimum voltage for capacitor rails
- Need help on Delta 1010 PSU mods
- Sound signature differences between IRF510, 520, 530, and 540s?
- Output PCB design thoughts
- Is bigger better?
- Help wanted from DIY audio forum guys from China , Hong Kong or Taiwan!
- Adcom GFA-555ii and Martin Logans
- SE Power Amp speed
- sansui won't click
- Hitachi HCA-6500
- Whats a good price for a CJ MF-2300 amp?
- Repair of Krell KSA-100
- How to bias mosfet in Class-A
- HH Electronics MXA150 Mixer/amplifier Schematic/Service manual needed.
- FMV for a Krell KSA100?
- Bob Cordell's Power amplifier book
- PRJECT ONE TURNTABLE dr 770
- Low pass filter for uPC1237 on pin 2
- MY Diy Site
- Advice: H/K AVR 365 Amplifier adj/mods
- Op Amp ID? JRC2068D
- Problem with my ramsa
- Coupling caps Luxman pre-amp
- Need help constructing amplifier S-Sub
- Recommended transistors for audio applications (low noise,....)
- Noobie needs help on ebay amplifier
- A challenging project....1500va toroidal power
- “SQC” Spark Quenching Capacitors” and “RFI” caps
- Discrete Fet Buffer - Build Diary
- just plan to make a headphono amp
- DC offset in Class A SE Power Amp
- 80's Fisher Stereo Set
- noobie help required
- Need advice on DAC output buffer CMOS op-amps: AD8656 or OPA2365?
- Audio (Lateral) MOSFET's for Class AB - Overview, P-Spice URL's
- Matching jfet at what voltage?
- 8 Watt Hifi with few parts
- Magnum MF160 power amplifier
- ADS Model 10 Acoustic Synthesizer
- beefing up STUDIO SE
- Does anyone repair stereo receivers?
- KRELL KSA100 conversion 120 to 220 vac
- Testing mosfets in circuit
- Thanks friends for all..my diy site
- I pimped my Citation Sixteen! (or, resurrected?)
- My new diy site wait for this
- JVC JR s600 blows 8 amp fuses.
- denon pma 250 Trouble
- myths and facts on electrolytic capacitors in audio circuits
- Vas DC Bias conditions?
- My DX amp has finish！
- Wrong - Theory,LED or Mains
- 140v single rail Nmos amp..
- Polytone Mini Brute III/IV/V M-PA
- Compensation in balanced VAS
- can LM318 be changed into discrete circuit?
- Parasound A23, Good Deal for Under 1K or No?
- Op Amp (OPA134) driven Power Amplifier
- speaker and amp distortion
- Looking for SONY ST-80F tuner manual
- connections to replace balance pot
- KP303 fet--pins details needed
- Akai AM-U1 modifications...
- new to modifying
- Proton 930 pre-amp stage not working
- Impedance dropping with temp rise?
- DoZ Pre Amp Tweak (ESP 37, 37A)
- Musical Fidelity A100 problem.
- Multiway volume control proposal
- identify coupling capacitor in Rotel RA-820BX2
- Newbie numpty needs marantz pm66se help
- Cambridge Audio A3i problem (have searched)
- Transpow PR-240
- Add Zener and C to MOSFET
- "a thread dedicated to our great dr bora"
- Comparing Power BJTs (Sanken, ON Semi, ...)
- C-Audio ST600
- PS Audio 200C Power Amplifier - Brand of fuse holder wanted
- Better Amp: Acurus A250 or Parasound A23?
- amp: 4-ch ... stereo with adjustable xover??
- new member.say hello to everyone. And show my new 405 pcb.
- Problem with tda2030a+tip41/tip42 120w amp
- Sony str-de 685
- 2sk1058 mosfet amp
- Power Planes
- Rotel RB991 vs Acoustic Energy 309 - fail
- Limiter Resistor of MOSFET Power Amp
- Electronic x-over ... Ideas
- Extremely cheap headphones amplifier
- Pioneer SX-1250 Receiver -- Some schematics
- 100R trimpots - best brand for audio
- Fixing Adcom's GFA 5500's harshness
- blown/not working amp channel
- Why is my kenwood home stereo receiver runnin hot?
- the ultra Fet Buffer
- Nad 352
- A dumb question on amplifier power supply and output cap coupling
- Re-build my PreAmp Unit, any suggestions?
- New Aksa Amplifier build pics - Naksa
- Proper placement of additional resistors in Delta 1010 PSU?
- schematic for Pioneer M-V3000
- Output zobel capacitor types
- pioneer SX680 tuner questions
- Denon PMA-510AE Question
- open-loop gain vs load condition
- Manufacturer of Low Noise JFETs
- Grunding SV2000 Amp Repair
- Jands 216 Mosfet Power Amplifier Info required
- Multi-channel amp suggestions
- Reason for capacitive coupling in vintage push-pull stage
- GAS Grandson driver transistors 2SD525 & 2SB595
- Schematic Needed: Adcom GFA 5300
- Off board MOSFET's & CCS voltage regulator
- Denon PMA 680 R Schematic wanted
- Pinging Ian Hegglun
- Voltage drop across JFETs?
- Ground plane PCB design for power amps
- AC Line Current and Amp output
- Mark Levinson no.335: Voltage conversion
- LME49810 with 2sa1943 and 2sc5200
- Crown D-75 amp questions
- Musical Fidelity B1 Mk1 inconsistant 2n3055
- Project 3A Build - Discussion