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- Searching for subwoofer amp
- School project wm-61a question
- "Chippy chappy" amplifier
- Hafler 945 Preamp Issues
- JLH 15 Watt SE Amp
- Non-Clipping Amplifier
- thermal runaway problem
- Where to buy capacitors?
- Replacing Rectifier
- Muting relay problem
- AD797 guts
- LM7915 oscillation ?
- Background Noise (Hiss) -- How to Trace
- Parasound P/HP-850 Preamp Schematic Request
- Blown Peavey Supreme
- Phase linear 400 driver replacement
- Grounding one half of a bridged amp?
- Harman Kardon receiver amp copy (clon) ?
- Does anyone has the service manual / schematic for Denon PMA1060?
- Denon PMA 1060. Somethings really wrong
- Metering the IMD of EMU0404 with Multi-Instrument Pro-3
- Audio rightmark analyser
- Help for my Peavey PV8.5C
- Jeff Rowland Model 1
- multisim grr
- Another Offset problem...
- Vintage transistor sources
- question about elliot P3a Amp
- Why positive rail only??
- extremely odd hum problem
- My new Pre-amp from parts at least a year old! Can not beat Bugle for the price!
- Strange amplifier circuit - seeking information
- Replacing old pots
- Cyrus 2 power switch?
- GAS Thoebe Preamp
- Symasym5 modifid circuit
- Gemini XPM-900 - Burnt thing on my amp, what is it? *pics*
- question about mac2105
- amp in 2 boxes - grounding scheme?
- Ayre V3 proto topology for preamp?
- Battery powered XO?
- Op Amp gyrator oscillates
- Resistor wattage question
- Polytone Power Amp Oscillation
- Krell ksa 200
- JM Lab Electra SW-900
- Help. dead channel on GFA 555.
- suggestions for a studio monitor amplifier.
- mutiple 2sc5200 amp
- lab-1300c need SMPS IC
- H/K Citation Twenty Two Problems
- repair'-Acoustic 450 distorted and low volume. Transistor crossover distortion?
- Tandberg TR2075 stripdown - identification help needed
- Converter electrical performance
- Low TIM, How to verify it!!! thanks a lot!!
- The Kleinschmidt 10A
- i want build an fm tuner
- FYI: Dynaco ST 400 (A reveiw of sorts)
- Alesis Power Amp Transistors Dead what else to check?
- Transnova Circuit
- Quick heatsink question
- maplin mosfet GA28F upgrades?
- Quad 303 issue "HELP"
- What is the preferred metal for spacer
- Carver MXR130 Receiver Burnt Resistors
- Adcom GFA-565 Bias Adjustment Instructions?
- Carver Amplifiers
- Replacing electroytics in signal path with non-polarised - which type of caps to use?
- Which point is right? for stability simulation!!!
- discrete jfet input opamp
- Dual OpAmp in input of amp?
- Guitar Preamp = MIC Preamp = other preamp ,,are they all same?
- quality tone/volume control
- Mjl21194 & Mj15003
- my latest box he he he
- Hafler P3000 trans nova volume potentiometer...
- Wanted: MARK LEVINSON 332 and SANSUI B1000A service manuals
- Luxman L-85v
- 4 channel amp power supply?
- Pushing OnSemi transistors to the limit
- Anyone used coolaudio?
- The last 3%
- Make a power amp out of op-amp ICs in parallel?
- Source for Celestion spares in the UK?
- Outlets, Do we need them?
- My MOSFET amplifier designed for music.
- NAD C355, any-one heard it yet?
- Arcam 8R Service manual / schematic?
- pa600 amplifier
- power amp repair
- Yamaha AX-390
- Any experienced with SpectraRTA 132 or Multi Instrument Pro-3?
- Mission cyrus 2 l/h channel low volume
- dummy load
- Adcoms with lots of DC offset. Lots!
- DIY Graphic equalizer?
- Looking For Service Manual for Rotel RB990BX
- QUAD 34 help needed
- i am new in this forum, need help
- Determining the rating of a transformer
- The ultimate single ended class a transistor transformer?!
- marantz 1060 issue
- Do all audio amplifiers really sound the same???
- Modifying a 5.1 Receiver (Insignia NS-R5100)
- Capacitor leaking?
- My new amp design - the Overkill 180
- input sensitivity?
- Sansui au x901 integrated amp
- Setting Bias
- Mean Thoughts on Measured and Perceived Performance.
- Preamp snap crackle pop
- Question regarding to output power trans
- Bailey 30W amplifier- new transistors
- Minimalist Mosfet amp
- SANSUI XR-Q7 service manual
- EP2500 Schematics???
- NAD317 power amp
- amp setup...4 channels on a 2 channel amp?!
- Stk 3082ii
- Recommend a Trimmer Pot
- Hi PPL, I have a question about op amp biasing for you
- My latest circuits
- Combine 4 amplifier channels into one?
- Luxman L-510 & Grundig A-905 need schematics
- Pro amp to Home amp, mods advice please?
- transformer hum on my beloved HK 3270 receiver, help!
- blowing transistors
- forte' 4a caps (4 blue ones...)
- Build hybrid amp but with 2sk1058 compli
- CAMCO Amps
- INA134 unbalancing....quick question...
- hight idle current HARMAN amplifier
- TH-60 my DIY power amplifier.
- Old school, novel circuit amp
- av iooo amplifier help me
- Official LYNX Power Amp builder’s thread
- Yaoin MC 100 B
- P3A on +/-12V rails
- Hafler 9505 turn off thump
- Tone controls
- quad 303 Crackling
- Marantz SR7400
- HEI from June 98 Silicon Chip
- trying to fault find a Nikko amp
- denon pma-2000R preamp bypass help!!
- output impedance bridge
- telefunken Compact 2000 schematics wanted
- Aussies - Silicon Chip 20W Class A Amplifier opinions?
- Signal Ground
- FDV301N,multisim pspice model, maybe not finished.
- Luxman m-03 m03 strange fault....
- Super Sanken Final Stage "Tauro"
- Bias setting for a Bryston 3B ?
- cement resisters
- Adjusting Discrete Class A buffer for gain?
- Transistor subs. 2sc960 & 2sa607 Help please
- Looking for a softstart kit...
- Anyone Have the Service Manual for the Advent 300 Receiver?
- Class A LM4562 (or OPA2134) preamp layout with groundplane
- Found old thread
- Rotel RMB1048 110V 230V conversion
- Visual Analyser & Nuova Elletronica LX.1690 KIT Oscilloscope + Spectrum Analyser
- Mixer Circuit Help
- Reduction in Speaker Output
- hum on Harmon Kardon HK3270 receiver
- Multichannel Stereo System wattage per channel
- Marantz 4270 DC offset and bias adjustment
- Will this circuit work?
- That Looks Powerfull !!!!
- Modifications to a Plinius 8200 MKII - any suggestions as to where to start?
- Hill Audio documentation - anyone to contribute?
- Powering up/down Amp
- Onkyo Integra 8067 blowing fuses
- Marantz 4270 output transistors. Best cross
- Kenwood KA-1500 mkII
- qualities of a great bass amp?
- Kenwood L-07MII
- What can a Dual-railed Snaps do
- 100W peak 4Ohm
- Smoothing Cap: ESR or Capacitance
- JVC rx-8030v Sound
- Are these 2sa970 2sc2240 2sd1609d Genuine or Chinese second source ?
- To debounce a soft switch
- Class A Pre Amplifier with IC
- Crest CA-4 Schematics
- Dumpster Dive Find - Pioneer SX-201 Blowing Fuses
- Sick Peavey IPS800 amplifier
- Citronic amp
- Harman/Kardon HK6500 balance misalignment
- Parasound HCA-2200 II repair question
- Dayton APA 150 mods?
- CFP output emitter resistors
- Hafler Powered Studio Monitor
- Why tone controls have 1kHz center freq ?
- 2SC3381 NPN dual
- Carver PT-1250 Schematics needed
- Carver Repair 101 ????
- 2n174?
- Layout and Pcboard software... please friends, suggest me something really simple
- versterker 70fa951
- Anyone know where to get 2SJ162/2SK1058
- amplifier reactive load testing
- Radford ZD 50 and ZD 100 schematic anyone ?
- ML 27 output problem/ schematic quest
- VAS and driver Transistor?
- can I bypass my receiver's input selector and still use volume pot?
- Buzzing Superphon DM200(s)
- Power Amp
- Maplin 160W (225W) bipolar amplifier design
- Philips AH578 shematic
- Oscillator XTAL 701 in NAD C740 xcvr ???
- Interesting hum problem
- Need amp repair help - Can you ID this semiconductor?
- Harman Kardon Receiver Question - DC output to Speakers?
- SK3020 Transistors
- Lme49830
- Need help with Sugden A-51
- Output stage opinions
- Am I doing something wrong with my amp?
- Check my layout pls. for proper grounding (6 channel opamp pre)
- Cambridge Audio A5 repair help
- Help repairing a CS-400
- New Member, Intro, Hitachi HMA-8300 assistance needed.
- buying advice - ATI AT3005
- HELP!!! - OA21 not singing
- A free book about amp kit history
- marshall valvestate 8100
- rotel RA414 advice
- So whats the real deal with behringer ep-2500
- Heathkit AA-1800 Stereo Power Amplifier
- Need help cloning a Gibson g-20 amp
- Service Manual Needed Please
- Krell KSA-100S HELP!!
- Numark DM1050 schematic
- schematic for RCA WA-44C freq generator
- square wave testing and slew rate
- Help With Meridian Power Amp Needed
- 3 band eq with ballance and gain
- SAE Two - A14
- Recap a Krell Ksa 150
- Stand Alone Distortion Analyzer Chip
- change 110v to 240 v for a MF cd plaer
- amplifier construction
- Need 600Watts Or Greater
- repair Acoustic Solutions SP101: dead transformer ?
- Schematics for Sherwood RX-4109
- cambridge a500 problems
- sysmasym psu gerber files
- Krell FPB 300c amp problem
- Analog or digital?