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- amplifier .... procedure
- PRIMARE A20 MK II no output
- Op-amp selectable gain +/- 1.0
- Need so help with an AMP question
- two articles by Mills & Hawksford from 1989
- Cambridge Azur 640A V1 Buzz
- ETI System A pre amp by Stan Curtis. Full article.
- Analog Devices -- some noise math videos
- Thick Film Hybrid (not monolithic) Integrated Circuit Amplifier - Overview
- N.Sano, T.Hayashi, H.Ogawa,"A high-efficiency class-A audio amplifier", AES preprint
- QUASI Amplifier for Beginners
- Replacing CJD capacitors with K40y-9
- sansui au-6900
- Transformer issues? Perreaux 2150B Pix, Schematic...
- designing TGM3 - output Triples
- SAE C3A Service Manual
- DH 220 lost a channel
- why high current amplifiers?
- DIY amp for active subwoofer?
- Vintage AMPS in Nigeria?
- One channel of my Parasound HCA1000A bit the dust
- SAE R-102 Need help
- Replacing Bias IC with Individual Transistors
- +/- 85 volts symmetrical power supply
- P68 ...upgrade ( ??? )
- Classic Aragon (2004, 2004 MK II, 4004, 4004 MK II ) problems, experience and repairs
- Optical Attenuator/switches... any one ever even seen these. Opto isolated FETs
- Carver HR 875 pre-out bass distortion
- Vishay/Siliconix vs. IR irfp150
- problem in transistor test
- Looking for recommendations on TO-220 package GSD (Hitachi) pin-out MOSFETs
- Sony receiver won't turn on - need help
- what is the best to build?
- Finished Nmos200
- PP buffer question
- which NAD older generation amps & integrated amps are bipolar or mosfet?
- QUAD 909 Stereo - How to Mono?
- Ultra low noise amp with JFET's - How to reduce the THD ??
- fisher ca2110 amp help
- Simple classA power amplifier
- Weird oscillation problem
- Welling HS-8 Powered subwoofer problem..
- Where to buy power amps kits here in the usa?
- Very Old Mk1 Audiolab 8000A DIN sockets
- OPS topology
- Rotel RA-960BX power conversion
- Can this work ?
- Transistor substitutes
- What type of integrated amp is this please.
- Rotel RMB- 100
- Rotel RMB- 100
- need advise in SAE C3A retrofit
- Sugestions needed on power amp schematics to fit these MOSFETs.
- Concept 16.5 Issues.
- Looking for Aragon IPS (or equivelent)
- repairing Event 20/20bas active speakers
- studiomaster clip fault
- protection circuit for amps
- PO3_150W_Power_amp
- Diode Clipper ?
- help required with img stageline sta 750 schematic
- Scalar Audio Power Amplifier
- Peavey Mace VT series
- inca tech claymore mk3
- Power J-fet + PNP buffer
- Low and distorted output after amplifier heats up
- Look for Amplifier tda2052
- Active crossover modification
- Restek Fantasy amp cap upgrade + opamps and Bursons!
- mosfet schematic
- Tuning the DX Blame amplifiers, for newbies...
- Substitute for 2SC3421/2SA1358 Drivers
- Nad 304 problem again..help me with r333
- Quad 909 buzz problem
- Help! Marantz SR-8500 that is clicking
- a Greek catastrophe
- Vintage Transistors
- Isolating power transformer from chassis
- variable resistor
- Quad 44
- Qsc mx 1500 120v
- rel q50 sub amp problem!
- Making a solid state safe to work on when you can't reach the caps
- Arcam Alpha 8 DEAD
- The qla amplifier
- transistor or fet Tone control circuit
- NAD C 300 AMP + Smoke = :(
- Which is Beter Quasi Or Non Quasi
- Another 555 question
- fake components identification site
- Integrated audio amps without feedback
- Ra4001
- Idea for a distortion analyser on a PC
- Zapco Z6000C2-SL
- Output stage.......
- Which discrete amp for a +/- 48v supply?
- Power Amplifier blew and took a speaker with it
- Any experiences bypassing UF4007 with .01uF cap?
- making a zobel output RL, options
- Hill Audio TSA-1202
- Where to find those MOSFET'S
- Meridian 501 Voltage switching
- swinging question ....
- volume level meter
- I Need AV1000 schematic and PCB please help
- Sugden A21 Series 3
- Pioneer Sx-1980 Help
- Classe Audio CA-400 & Obtuse Bias Procedure (scat included)
- Sony TA-S7 schematics needed...
- Restoring a Technics SU-V6
- CFP output variation
- Please help me fix my Phonic 2500 Pot?
- Invitation to Analists, Engineers, Experts, theoretical, Critics, Evaluators
- Pioneer Japanese Schematic
- Adcom GFA-1 Clicking relay
- What caps?
- Crate amplifier problem
- Is it possible to build a good amplifier out of junk parts?
- Thiele-Small reloaded with LTspiceIV
- low noise discrete opamps
- AVFB loudspeaker
- Signal Capacitors - Japan vs Thailand
- another NAD 304 whit the red light on...
- OPA627 at +/-5V in Sony CDP-508ESD
- Modifying a discrete opamp
- good power amp schematic
- Which sound card and software to use for distortion measurement
- Possible alt. source for 2SK170
- Crest CPX 2600 blowned
- 2SC5200 for Capacitance Multiplier
- BatchPCB - this looks cool and useful for DIY
- Multi zone setup with ATI 6012
- amplifier
- Power Amp Construction inspired by Curl, Slone and Pass
- Origins of the Baxandall Super Pair?
- Toshiba Power Mosfets 2SK3497/2SJ618 - A little testing
- ILP HY248 module sometimes with and sometimes without DC on output
- mcintosh 2505 recap question
- EU AMP Ecodesign Working Plan 2009-2011 - No way for new Class A - AB - H & Tube Amps
- Why the sound is diferent?
- Ridiculously low distortion from brain-dead CLASS-B circuit in simulation?
- Denon PMA-520 Blown Outputs Perhaps
- Feedback for DC bias correction
- Passive mixer with powered preamp?
- Musical Fidelity P150 owners take note!
- Amplifier using 2SC3856/2SA1492
- Carver M400 PSU Repair
- Dead MJL3281A
- hardman Kardon..... experts
- Vintage Pioneer SA-6200 sound problem coming from power amplifier assy!
- Amp circuit with 2SJ50 & 2SK135
- yamaha cr440 dead
- "Audio Refinement" Complete amp blown cap & transistor: Need advice
- ETC QB - 6360 Amplifier
- input stage transistor
- JLH 75 Watt amp - Does anyone have the original article?
- Sugden A25B
- Where can I find IRF540 & 9540?
- Would this work , plz comment .
- Headphone Amp Gerbers
- New complementary V-FET amp: Best from the past ?
- Son of Ampzilla problems
- Help, Adcom gfa 585 turn On & Off thump
- anyone built an amplifier Distortion measurement circuit
- Current Mirrors (simple one vs. improved wilson)
- Help needed for a dead Musical Fidelity E series amplifier
- Accurate measurement of jfet gm
- Perreaux SM6 Remote Control
- Amplifier board for powerpod 740
- troubleshooting a Yamaha CR-1000
- Overview of Brands and Models from first Solid State Audio Amplifier Components want.
- my little QUASI AMP
- Philips Motional Feedback (MFB)
- Rebuilt Quad 306 channel but now buzzes
- Rate/comment my power amp
- More cheap at same cost?
- Overview from world's best historical and currently available electr/audio Magazines
- crackling from my source selector.
- Get Better sound Out of Any Sunfire AMP
- Magnet Amplifier (new info)
- Wiring Question for my Buffer.
- low pass filter and volume control pot
- Help inditify a capacitor type
- Possible 6400 hybrid project.
- C Audio Pulse TX4 transformer
- TIP127 Replacement suggestions?
- Simple 60dB discrete low noise amplifier (lna)
- Remote Control Problem
- Powerpod 740 plus schematic
- Concert set ups.
- Audiolab 8000a Transformer
- Pioneer SX 828
- Technics SE-9600 Stereo Power Amp
- Can i use these speakers with my amp
- Carlsbro - schematics? Marlin 1042?
- Servo-Sound made in Belgium
- Filters For Low-Noise Measurement Preamplifier
- adcom 5800 low power output need hel
- Shorted capacitor terminals on a board?
- Help! Adcom GFA 585 DC High offset problem
- Transistor replacements needed
- AUDIO RESEARCH SP-6A schematic
- Insulation between case and RCA jacks
- Combine amplifiers for balanced operation
- ppi pc4100 help
- Upgrading Sub Amplifier
- Electrocompaniet or Anthem?
- Help to find new mosfet thread please...
- Cambridge A1 mk2 Pre Amp Power
- Cambridge A1 (mk2) Line-Amp Stage Power Suppy
- Setting idle Rotel RA-870BX or Service Manual
- Anyone remember or have details "Practical Wireless Europa" integrated amplifier.
- Mitsubishi DA-A15 Schematic or Service Manual needed
- Potentiometers
- Looking for a datasheet (STK2048-II)
- How to "beautify" (soundwise, of course) this old Pioneer amp?
- Carver Vs. Adcom
- Crown XLS 402 D service manual needed...
- Crown XLS 602 service manual
- Japanese part numbering
- Very unusual old quasi complementary design... which sounded great at the time.
- Mackie SRM450 transformer
- I guess diy wasn't for me.
- I build my JLH amplifier...
- Krell KSA-300S Chassis Restoration
- Help debugging this circuit
- assessing the linearity of an output stage
- Rotel RA810 Amp
- Nakamichi 730 Receiver
- How can I build the cheapest amp?
- help ! l need nikko NR- 615 Schematic
- Brown audio Canada
- Harmon Kardon 930 receiver weak left channel
- Jim's Audio Goldmund/Symasym clone
- Musical Fidelity preamp channel down on phono input
- My mic preamp doesn't work
- Schematics for c-audio sr606 and c-audio sr707
- What was the first Complementary AB bipolar amplifiers?
- Rotel RA-1060 fuse blowing
- Intresting design problem - 20Mhz 200v PkPk 200x gain
- Nakamichi SR-2A Repair Problems
- my best Hybrid 6922 and OPA541
- HEEEELLLPPP : M. Randy Slone Mirror Image Topology Construction - Troubles
- Best drivers for BJT output stages
- 2sk1058 availability?
- LEGEND sTAGE MK2 IN MAKING............
- Anthem Amp 2 debugging help
- Residual Current Limiter for 70V and 100V audio line Amplifier.
- Mark Levinson 431 schematics needed
- Bryston 4B power transformer replacement question