View Full Version : Solid State
- Please help...
- Very simple op amp
- Clever Current Limiter
- Need help with j-fet problem
- experiencing stability problems in my simple mic preamp
- Old School Maintenance
- Multiple amps + single power supply = unstable output
- what amp should i build
- Power switch symbol on schematic
- Protection of Mosfet Amps from input Overdrive...
- walmart surrond sound
- Distortion Everywhere
- Simple(ish) discrete op-amp
- THATCORP application notes
- Sony STR-DE945 - 'A' speakers suddenly quit, 'B' works fine
- Want 9 vac output - any PSU kits?
- PSRR and Crosstalk
- 3-way crossover
- Profet Amplifier
- receivers turn off and on
- Distorted left channel Proton 520 Amp
- Strange biasing issue when adjusting VBE
- m250
- small-signal (small-power) fast switching complementary transistors
- heatsink aproximation?
- amplifier without transformer
- Oscillation and Negative Feedback
- Technics SU-V470 PXS CAP
- hifi solid-state PREAMP ...
- Active Sub-Woofer and Controller frequency adjustment
- LED meter bridge for power Amps
- AudioSource Amp ONE amplifier question.
- ETI 480 schematic - a thing from the 70-80s
- Crest Audio Schematics Needed and more?
- Colin Wonfor Contact Details?
- Protn 520 Amp Schematics-need help!
- Single power supply - need help
- Hello & Apogee Schematic Needed
- Orion xtr2150 amp
- MOSFET Inrush and Short Circuit Limiter
- Sanyo spice models (or equivalents)
- Cheap thermal measurement central
- replacing two position phase switch with pot?
- my 60 watt amplifier
- The amplifier of M -250
- power amp into 412 Wattage question
- DC protection relay flashes
- Pioneer SX-3700 bias
- NAD3020 preset
- What to do with TI 3583JM opamps?
- Expanding TO-3 Holes/ Dremel question
- p3a problem
- Car amp running off a deep cycle battery = less noise?
- From noisy fan to silent water-cooling
- Help with switch selection and wiring needed
- Quiescent current question? thanks
- What do you think about this Amp
- calculating total power in PA systems
- Hooking up VU meter?
- FT15K mosfet power amp
- riaa circuit
- ho do I upload a linear.com schematic
- Hiraga amplifier
- My new 150W R2R design!
- Standard metal work?
- ka4558s
- Integrated amp or tube amp?
- mosfet amp questions ...
- Adcom GFA-585 Limited Edition Repair
- LAST CALL---Leach Board GP
- Ampslab C200
- Any chance that anyone has a schematics of Tandberg 3009A Power Amp???
- Crestaudio inside pictures
- need help repairing powered subwoofer
- Parasitic oscillation
- Problem with leach amp
- sub for 2sj50/2sk135
- McMartin Reciever model TR-E5 need wiring diagram and operation manual
- Odyssey Stratos schematic.
- Help for the Crescendo ME!!
- Les Sage amp circuit here for analysis
- please recommend replacement transistors
- Noise Problem
- Soundcraftsmen 900X2
- Please comments
- Arcam Alpha- fuse keeps blowing
- problem with Marantz amp PM-80SE
- low-biasing or high biasing in Class-AB amps
- Parallelling 2xIRFP240 and 2xIRFP9240
- Crimson Elektrik 35-15B pre-amp
- NAD 2200 Soft Clip Fault
- pcb for quad 405
- Constant Amplitude Phase Shift - CAPS Circuit
- ARCAM Alpha 8 shematics
- Comment on this simple amp
- transistor biasing
- How to use STK459 in bridge mode
- M250 Parts Replacement Querry....
- crown d150a
- DENON POA-2800 schematics
- Troubleshooting amp - help needed
- YAAXOQ (yet another active crossover question)
- Realistic SA-2001 Integrated Amplifier
- LaBoheme Phono
- multiple op's amp
- 4w All Fet Class-a Amp
- Schematic? for Arcam Delta 290
- Simplest class B Amplifier
- Yet another DC protection circuit
- Amplifier oscillates at 100MHz
- Cambridge P500 Schematic needed...
- Urgent help needed with replacing output devices
- Onix OA-21s low level hum
- Output stage on amp
- What can be created of this?
- An integrated amplifier
- Soft Start and Preventing Relay Arcing
- Quad 44 - problems with used preamplifier
- what to build with these
- Looking for guide for refurbishing SS amps
- Car amp repair: Overheated my a/d/s PH15...
- power amp troubleshooting
- Modified Leach Super Amp
- current bias j-fet input 2sk170 ,2sj74 at input stage
- fascinating new psu technology..
- How to simplify this interstaging circuit?
- SWR amps anyone?
- Self Class G. Transistor matching?
- hifi VS instrument amp
- Eliot Sound p3a oscillation
- Super Regulator, Need sub for P309 LED
- My insanity begins
- amplifier circuits
- Rotel RHB-10 schematic needed
- Current Dumping. The way forward !
- NAD 1020B tweaking and schematic
- Nakamichi Stasis ?'s-balance issue
- 10 KHz Square wave output?
- Newbie Idea
- velleman k4700 speaker protection circuit
- my amp
- The many faces of distortion
- Current loop based link signal transfer
- Mosfet drive in Vas stage and use Bipolar output
- About my hybrid nofeedback AMP
- Old RCA Transitors Amp
- McIntosh Unity Gain with SolidState???
- High frequency microphone amplifier
- T-amp and subwoofer
- Help Plz
- TCJ - Evolve simply and good amps idea
- FET's?
- you know when it all goes wrong? very simple question
- Common cause of distortion in SS
- p3a not working, help!
- Phono recap questions
- 70's and 80's AMPS
- car light dimmer
- Lytic Selection Help
- ONKYO amp trans. problem
- beginners q's
- NAD 7240pe
- CFP with N-channel mosfet and PNP?
- Problem on Rowland model2 need help
- look at this rotel moster guys
- HH 900 amplifier
- Power amp transistor speeds?
- how many ways to stablise?
- Vintage sand - did I score?
- Pioneer SX-780
- Electrocompaniet ECI-4???
- input stage current required to drive output mosfets?
- ETI-480 100W Amp .. please help
- Denon POA-2800
- Quad 405 problem
- Can Someone Help With These Items
- Audio Research D 400 MK 1
- Technics SU-8099 fuse question
- discrete opamp modules
- Consonance a100II schematic diagram
- my first DIY - Leach Amp
- Best transistors
- trying to match gain on differnt amps
- Gradiente schematics wanted, hello Brazilian friends!
- Can anyone help with this opamp circuit?
- new to solid stage, help please
- amp hums on start then fades
- impedance detector->help
- Help with C Audio RA1000 PPA
- what does everyone think of this amp?
- Adcom GFA 7500 channel problem
- MPS8099/MPS8599 vs: BC550C/BC560C
- Schematics of Harman/Kardon HK-6600 Integrated Amp needed!
- Started to design solid state amp + calculations
- Best Input differential configuration in amplifiers.
- Power follower class A Mosfet DC coupled.
- Soundcraftsmen MA-5002a
- Transformer coupling and output for SS
- Speaker Protection
- Integrator in DC servo
- speaker protection circuit
- My first solid state amp
- sound suddenly faint in old amp - easy to fix?
- Musical Fidelity Elektra E100/E300
- Realistic STA-7 receiver
- Stereo to mono...
- Debugging hiss in old receiver
- Amplifier suggestion for college project
- HYBRID POWER AMPLIFIER - Please Help!
- Phase Accuracy
- Power Trans. Sockets or not
- Finished Techno amp!
- Monacor "Stage Line" STA-700 schema
- car amp?
- NAD 214 Power Amp Fault
- single-ended bipolar designs?
- Schemes For Citronic Ppx900
- Allied 495
- ne1 have fun projects for CPU PS?
- Quad 520F output transistors??
- Soft start & Soft Switch circuit: can anybody help?
- my AV400 is back
- Onix Amplification
- Feedback papers...
- IRFP044 circuit without N's?
- RGR Robert Grodinsky research MODEL 5
- Sumo The Power Schematic
- help my amp is broked and im sad...
- Which power device ?
- Dynaco re & re
- N-channel Current Gain Cell
- power supply
- SOA Protection Calculations...
- Some electronics toys to young and old guy's fun!
- Cyrus Preamp - schematic anyone?
- Peavey 8.5C DeAd cHaNnEl
- accuphase 202, low output
- Adcom Channel Damage Help
- optimizing for efficiency
- Q: Residual Hum, Grounds, Loops & Amps
- echo, reverb using bucket brigade delay lines from panasonic
- Driving Low Impedance Loads
- How to increase the input impedance of a pre-amp ?
- optoisolator VAS bias for Comp Diff?
- reducing dc offset on sub plate amp?
- cap couple or direct couple class A SE amp?
- NVMOS amplifier
- Design Critique Request
- My new (old) way
- SUBWOOFER AMP box