View Full Version : Solid State
- Loewe Opta
- Pre amp voltage regulators help.
- Does anyone actually own that PC mainboard advertised in EW that had tubes on it!
- Quad 405 Spice Model
- <Continue>Help me to save the Crest FA1201
- Help me to save the Crest FA1201
- DC300A power switch wanted ??
- Need Help and opinion on a circuit
- Op Amp Book.
- Help
- Boras Legend 4 Mosfet Amp
- Troubleshooting bass amp
- AB-dynamic
- Loudspeaker Amp schematic needed
- Found Some 2SC367 Metal Can Toshiba Transistors...Any Info or uses for them
- repair a relay
- Yamaha C-50 service manual
- Yamaha A-720 ampflifier servise manual
- class a amplifier opinion
- Fixing / Trouble shooting Cyrus SmartPower
- Yamaha AX-900U
- My new mini Class A amp.
- Amplifier Testing
- Hiraga 30w PSU
- Arcam Alpha 5 prob
- Gary Pimm's MOSFET CCS
- Soundcraftsmen Repair in Southern CA
- BAT VK schematic needed
- Nad 2400
- Ground loop only when both channels connected
- Quadraflex Reference 650fet R service manual
- peavey cs 800
- 25w amp
- Another feedback compensation method
- Freon cooling an amp?
- Which circiut is better?
- capacitor question
- best load gainclone?
- mosfet opinion?
- VIntage JVC 4-channel equipment
- Upgrading a Carver M200t/M400t
- Hafler 9500 Power Switch
- Rotel rb970bx mk11 dead
- personal jobs
- A cooling Primer?
- Looking for Perreaux SXV1 schematic
- Cyrus 2 Resistors
- RC Volume control for a lateral MOS AMP..
- Marantz 250 schematic needed
- Floating supply in battery powered discreet preamp
- PCB for JLH amp
- 10 watt Simple Power Amp
- Rotel RX950 with humming noise
- Hi Fi Plan
- Soft start + switch on PCB
- PLS-226 Schematic
- Rotel RX-830
- LCR EQ questions
- more info about "Voxson"
- Sourcing Genuine Toshibas in USA
- A09 class A pionner
- Peavey pv2000 power amp
- Toroid Transformer for Hafler DH-200
- passive preamp
- Sansui TU-9900 Restoration and Mods
- humming Harman Kardon 330B
- Sony TA-AV670 amp repair
- Schematic 500w
- Opinions from amplifier analysers on these amp circuits
- auditek speakers chip amps
- Bias Monitoring of Separate Heatsinks
- Differential transistor input stage
- Connecting OSCONs in series for high voltage.
- difference of 1st stage
- PCB hiraga 20w
- QSC designs
- Modifying a commercial amp (Peavey CS-800-B)
- BJTs for VAS Stages
- tweaking a class AB amp
- How much amplifier power do I need
- A cirucit to put Carlos anti-blameless stance to permanent rest.
- Ayre MX-R "Uma"
- NAD 2200 power supplay help needed
- Searching for high hfe, low noise and cob PNP BJT
- A SAP15 based power amp
- Cleaning Those Female (+) R.C.A. Jacks
- Pi filter for Class AB amplifier, feedback please
- philips FA-951
- Phase Linear 700B Series II -Right channel out-
- Grounding questions
- thomann pa amp
- CRC power amp supply
- Any suggestion about YBA model INTEGRE DELTA DT
- Amp power calculations into different phase angles
- Harmon Kardon HK6100
- hum problem in NAD 3020 (help wanted)
- For 35A rectifiers, what is maximum without heatsink
- Mod - Upgrading opamps in a yamaha av receiver
- Upgrading Power Supply in QUAD 606 Mk2
- Data needed for an STK350-530 SIP IC
- Integrating Baffle step into Cyrus 2 feedback circuit.
- Yamaha DSP-E390 schematic
- Hum in phono circuit
- Keeps frying diodes
- Looking for Scott 480A schematics
- Quadral PA 03 Phonologue
- John Linsley Hood RIAA Preamp?
- amp question basic rec
- Tip33.....anyone got a schem.
- Using bipolar opamps
- Building an HT Amp-paralleling output devices?
- Amp info ????
- cyrus one - on/off power button
- Audio Research output transistors
- Owners manual needed, MUSE MODEL ONE
- Please Help! Harman Kardon HK775, problems
- Direct coupled Amp causing me grief...
- Electrocompaniet Mains Voltage conversion
- dc output control loop
- base-emitter voltage
- IRFP450 Replacements?
- How to set the bias of a FET output stage?
- Opamp upgrades
- NAD 7020 , small problem...
- Sansui AU-317 schematic
- Help!very Powerful Amp Needed!
- YBA integre output transistors
- here links diy schemas
- SPICE model of Dirty Harry
- Tripath Head Amps ?
- JLH Guitar Amp
- link to diycircuits
- naim information
- Lightspeed Tone Control...
- Test Amp - Construction Method
- What amp should I build?
- Power Amplifier Output Topologies
- hk citation twelve stock or mosfet version to drive original quad esl's ?
- p3a amp
- NAD C370 Diagnosis and repair help
- diy helppppp
- nad 3020 fried resistors
- Hummm...
- Testing the module AV400
- NAC 82 Schematic and Photos
- citation 12 hum und bias difficulties to adjust
- found a Technics SA-8100X
- Can you help me choose capacitors for my amplifier restoration project?
- If you put new output transsistors, class A/B, will tou match them?
- Plate Amp power cutout
- How to use P- and N-channel Mosfet as switches
- Harmon Kardon PM 640 amplifier
- Kantishna MK III, experimental MOSFET AMP
- Opamp PSRR
- +-70V amp needed
- noise level hearing evaluation
- Why no Pre-amplifier forum?
- Noob Question: What is a volume buffer?
- bora's legend 8 legend 4
- buffer ics: comparisons / experiences ?
- Simple balanced driver circuit.
- Possible upgrade for Sanken Darlingtons
- Fotios's microphone amplifier
- AKAI VS422 schematics
- Cascoded LTP input stages
- Building a new Amp
- Part Spec Help! (possible 2n4484)
- Nad 2240pe
- Samson F800 Audio Amplifier Problem
- Preamp
- Amp oscillation
- A powerFULL amplifier named Dirty Harry
- Just how good is the PIMETA?
- A circuit model for a microphone?
- IGBT amplifiers
- layout rules
- Advice on fixing an old amp that has just stopped working
- "reference" level preamplifier
- LM4562 vs TL072 and NE5532 ..impossible ?
- Why haven't some of you actually started small companies?
- Do transistors deteriorate?
- ampli for Martin Logan Quest Z
- Marantz PM44SE - Dead(ish) right channel
- Amcron (Crown) Micro-Tech 1200 help
- nakamichi amplifier 1
- My Audio Dynamics/ADC amp needs help!
- Dead Adcom GFA-555II
- Variac
- trouble with Denon POA 2800 amp - Anatech rsvp
- Marantz PM 7200 problem?
- Mjl3281 Soar
- Battery vs Conventional PSUs
- Which is the better power supply for a preamplifier?
- Wow!!! A wonderful preamplifier module!
- Aussie Amplifier AV 400
- hafler and adcom
- QUAD 606 Mk2 Power amp PROBLEMS
- Microphone "whistel" canceler schematic need!
- sansui Intergrated Amp SU-7900
- Audio Amplifier protections
- thanks BORA !!!!
- Safe to run IRF540 on +-42V?
- Power Amplifier Clipping Indicator
- Differences in Mosfet P and N channel Vgs
- Yamaha M-80 Schematics
- krell 300i schematic please or photos
- Best sounding analog switch IC for input source selector
- Ak4527vq
- Ge transistors
- hybrid amp,split ouput
- resistors and capacitor which one have the best sound ???
- DIY 200w amp
- Samson Servo 260 problems
- VSP LABS Trans Mos Amplifier
- cyrus3 experts
- Rail Switching vs. "predictive" rail switching
- Gallien-Krueger 2100 SEL - need two Mosfet transistors - advice?
- Proposed P.C. based spectrum analysers
- Behringer A500 power amp problem, please help?
- How come chokes arent common with SS psu?
- Loud POP 555mkII moderate volume.
- critique my amp design please
- What to build with +/-65V?
- Aleph P1.7 "the design starts here"
- SAE A502 Keeps smoking protection transistors
- How about shunt regulatorH
- 1500 Watt
- audio research d400
- volume pot
- eti-480 help
- Suggested line level stage.
- How much should be it the Zin of a Power Amplifier?
- Rail switching amplifiers and supply voltage levels
- Leak stereo 70 fault
- Roksan Kandy mkIII Tweaks????
- ac cord
- A Dummy Load different from the usual
- Amplifier for 1-ohm ribbons?
- who knows this transistor?
- parasound input conversion
- HELP! Carver PM-1200 MANUAL/SCHEMATIC
- NAD 302 Improvements
- Current sink, anyone studied lowest noise?
- ExtremA, class-A strikes back?
- Bias control problem with n-channel amplifier (Anthony E. Holton)
- Best ground connection
- Symasym - Roender Style
- leach amp parts to-3
- detailed block diagram of Sony CXD1135Q
- Simple pre-amp schematic needed