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- Grundig A-9000 broken :(
- Crown PSA-2 outputs
- Help needed for H-Bridge circuit
- best voltage follower, discrete opamp and whatnot
- Musical Fidelity B1 - Bias and DC settings?
- Pro audio amp for full range speakers?
- Yamaha RX-797 opinions ?
- Hill DX700
- What is the safe are for impedance values?
- Subwoofer amp tweak
- Need parts located, Carver PM 1.5 and Kenwood M2a
- Connecting to an Equalizer
- Leach Super Amp Power Supply
- Cyrus 2 no output after short fall
- Cambridge Audio A3i repairs and mods
- Need help designing HPF add-on
- How fast does offset protection have to be
- Comparison of some intergrated amps ??
- Circuit Diagram / Schematic & Full Manual 4 Crown Ic-150 Pre Amp Wanted
- Cambridge Audio A3i stopped working...
- leach super amp question
- Accurian Sender Repair help 15-1938
- What is that class XD we can find into Cambridge amplifiers
- Kenwood 3020SE
- Power Amp build bits - guidance required...
- J-Fet folded cascade headamp, please critique
- nad 302 problem (please help!)
- first full-discrete power amp design
- Yamaha's new A-S2000
- 150w Greek Schematic
- Diy Versus Comercial
- Need a sub amp badly
- How you can measure an amplifier?
- Naim NAP250 Regulator Instability Problem
- 500watts Amplifier help
- What to do with Hafler XL-280?
- Hafler Power Amps
- Coupling capacitor voltage question
- diy transformer attenuator
- Are there pin to pin LDO with LT1962EMS8?
- remote control for preamp
- simple BJT amp
- Bipolar capacitor question
- Transistor Insulator Sources - US
- is this poweramp ready to build????
- Power Amp P.S. Bleeder Resistor Reg?
- B&W ASW-4000 Subamp
- Sansui au-d9 service manual
- which transistor is the best?
- Amp is very hot
- amp design with 4 pare of 2sc5200
- symasym5_3 power supply empire
- Krell KMA160b
- margan : non switching class B
- Building amp from schematics ?
- Internal Hum in amp, help
- Etching my own PCB's a couple questions.
- bridged amp please help
- Teflon PCB, 2sk170 and j74
- Info on Motorola TE2197/TE2198?
- Adcom preamp - scratchy pot
- Charles Hansen's Semiconductor Tester
- Need an amp project
- links to rectifier specs for comparrison need help please!
- a problem - no bias current
- Cable for audio balanced line driver (drv134 )
- Marantz pm78 died
- ETI System A preamp
- 3 transistor amp
- stan curtis 60w class a
- Homebrew Digital Sampling Audio spectrum analyser.
- aussie amplifiers nxlsp400
- JISBOS - great headamp !
- iam getting radio singal when power amp is connected to waal socket ground
- Philips FR-70 power supply problem.
- fake transistors
- Problem with Adcom GFP-555II
- Arcam Alpha 3 Left Channel broken...
- no current mirror, current mirror, cascoded current mirror, bjt or jfet VAS?
- Luxman A-471-Schematic
- FL tube AAV7026-A
- Building a discrete OPamp
- hiss in preamp balanced output SSM2142
- Need help with Marantz transformers.
- Help Please Rx-v2700
- Modifications for Superphon Revelation Dual Mono
- Schematic for CambridgeAudio A3i
- biema 900W active sub repairs
- New to this! Please help!
- Opamp upgrade - compensation cap ?
- Yamaha M-4
- Good US source for 4700/6800uf audio capacitors?
- Where to start
- The New Hyper Balanced Amplifier
- NAD 1240 diagrams
- Hiraga 20w AB class search?
- 110v Transformers for 240v
- amplifier switching..
- which power transistor is btr?
- transfer function
- Standard SR-157SW
- Does anyone own a NVA unit?
- japan diy amp link
- amplifier testing
- Looking for discrete buffer circuits capable of several watts or so...
- Sound Card for Measurements
- I am looking for high-end amplifier
- nullator/norator amplifier theory
- Baxandall active tone control
- Melos M333 Schematic?
- Krell amp remote
- OPA627 Buffer Based Preamp
- nad c320
- Owners manual krell ksa 200 b
- sansui g-7500
- Why sound diferents?
- anyone seen this OPS before?
- Subbing 2SK389 for 2SK170
- Simple 12v gain stage
- Carver M500 power amp start up problems.
- Overload and Short Circuit Protection
- YET another relay attenuator question
- Looking for schematic for Adcom GFP-555 (not GFP-555II)
- symasim 5_3 into 4 ohms speaker
- Fan issue Adcom GFA-5800 bias too high?
- Help needed to fix channel Conrad Johnson Sonographe amp
- yamaha vx661 display fix
- Help with OpAmps frames & Sound Changes
- aussieamplifiers???
- Recycling Quad 405 PSU Cap cases
- Could use help modifying a DJ mixer.
- Single side version of JensRasmussen's Super Leach board / ground planes
- Dynaco ST-120 runs hot
- Adcom Gtp-500ii Fm Problem
- Line Array Eq, Coldamp Driver
- Clipping/Distortion in a Pioneer QX-4000 Receiver
- Adding a 12V power trigger switch to Electrocompaniet Power Amp
- Joshua Tree with CD player
- Ps. Caps For Parasound New Classic 2125 Amp
- how to voltage regulate
- Original schematic without feedback
- tuner schematic
- Polystyrene caps in a graphic equalizer
- Hiraga Monstre with SMPS?
- Multi-kilowatt blaster in development
- Tried new things on sysasim 5_3 amp
- Cyril Bateman's site
- need drivers to be faster than outputs (all bjt)?
- Stk3082
- Marantz 250M pre-driver equivalent?
- Hafler DH500 humm, internal wiring, and other questions
- compare the power transistor
- capcoder program
- 60V DC Preamp power supply Question
- i get hiss noise when the treble is turn up on high??
- inductor calculator
- four legged capacitors, where to get?
- My Dokorder is making Crackling Noise
- Nad C272
- what have i got??
- Parasound Classic 2125 power amp question
- Quadraflex schematics or s/m?
- WTB: NAD S300 Integrated Amplifier - Broken For Parts - Another EBay Horror Story
- The sound of dry capacitors?
- I want an solution amp.
- sunken 2SA1216/2SC2922
- SymAsym5_3 voltage-need help
- H|H Audio V800 Amplifier Information
- NAD T763 disassembly sequence
- Project 27- quick schematic question
- Phase Linear 400, SERIOUS AC!
- 4 ohm and 8 ohm Speakers
- 2sa1186/ 2sc2837
- Open Loop Gain Measurement? Fotios Need Help!
- SONY TA-F510R schema
- Carver pm1.5,1.5a,1200 differences
- MJL3281 / MJW3281 differences?
- Weak sound on L channel - Carver TFM 45 power amplifier
- Zobel Or No Zobel ?
- Biwiring cable
- use sony s-120a IC in place of ta-100w
- PS Capacitor lineup???
- Pioneer HT - worth fixing?
- using 2sc2922 and 2sa1216 power amp?
- Nigels new power amp design.
- buzzing transformers....
- nad 320
- Cleaning push switches on Tandberg TR2075?
- Cant find transistors!
- Help! Faulty Onkyo Integra TX-DS838
- marshall problems can anyone help
- The GR-25
- dodgy volume control
- Baxendale EQ
- J-4Fet
- i need help for uncle amp
- Loudspeaker protection circuit
- Airedale S900 amp help
- Capacitor Replacement - HELP PLEASE!
- hi quality tone control circuit
- Linkwitz "Transform" Circuit Help
- people who have constructed pa600
- remote control volume
- Zhaolu S60 stereo power amp
- Pioneer SX-1980 regulator
- Replacement for 4136CP
- Ben Duncan AMP-02 articles anyone?
- PSU capacitor replacement for Marantz MA-500 mono amps
- Questions re: component orientation for lowest noise?
- Philips 22AH578 - strange semiconductors
- 60 watt troubles
- 12vdc gain stage or preamp
- Inexpensive JFET Preamp
- kit /module psu
- Quad 405-2 Degraded Sound?
- Executive Audio Xs602
- Yamaha M80 meltdown -- HELP!!!!
- Rotel RB981 tweakidge
- Project 27 Capacitor Orientation
- nad3020
- Loudspeaker Relays
- CARVER M-0.5t DIAGRAMS
- Adcom versus Hafler
- Replacment XFMR for G & K 800RB Bass Amp
- Need help with Marantz power supply
- Low power BJT's
- Advice on new amplifier
- Current-Dumper
- Nad c300 and Hill DX700 schematics
- Hartke gt100
- Yamaha dsp a 1000 amp update
- yamaha dsp a1000 swiching on and off
- Robust Power Supply PCB suited to hi-quality amplifiers
- Dynaco st-120: I got a little screwed
- Variation on the JC-2 preamplifier
- Anyone familiar with Bel Canto Pre1?
- **Denon amp oscillating, need help**
- Effect on freq. compensation by substituting transistors?
- Suggestions for RIAA Filter Caps?
- Best transistor substitutes for Heathkit ar-15
- BASH 500 watt rack amp help to tweak
- Heathkit Ar-15 one channel weak
- Cyrus III intergrated amplifier
- Electronic Kinetics
- Duson A10 - help needed
- Numark Sa3000 - Anyone have schematic or service manual?
- My differential input 49830
- Help with BTL power requirements
- precision fidelity
- I'm guessing these PSU caps have had it?