View Full Version : Solid State
- denon pma495--r mod
- Pioneer SA-500 Transistor Questions
- adjustable riaa amp?
- NAD 2600 speaker output relay replacement
- Power amp outout stage self oscillation problem
- Bb627 Amp
- Digital Volume Control
- subwoofer amplifier
- The Frugalamp by OS
- Spectral
- help... diode on emitter
- Marantz Pm7200 Amp
- Can LM3886 BPA300 beats SS Plinius quality?
- jaycar sc480 t03 ver 2
- Aura Evolution VA100 • Clean up & upgrade
- Dual Slope Protection Circuit Values...
- Does anybody know anything about this amp? STUDIOCRAFT F1 (see picture included)
- Fortuitous distortion null in simple FET circuit
- Converting pro audio signal (1.23v) to consumer line level (0.31v)?
- Need schematics for c audio ra3001
- Intro very Nice Free PCB CAD MBE
- My firs DIY amplifier 20 years a go
- Converting Krell KSA 80B to KMA 160
- Double-die mosfets in P101?
- Amplitude and frequency distributions wanted
- Adcom 555 II advice - repair? test?
- Electrocompaniet AW100
- My pre-amp / buffer
- Looking for complementary NPN-PNP pair
- Real Silly Cap vs. Cap Question
- Meridian 101 recap
- HRII debug thread, post the problems you had here
- Please help with double attenuator for biamp
- Creek 5350S
- Learning about this stuff! I have newly acquired gear, and some questions.
- Driving 8 Ohm Speaker
- Looking for BK EX-442 schematics
- Powering Two Cabinets
- convert a NAP180 into a NAP250
- Repair or Replace??
- Right channel not working on Spirit Folio 10/2
- Need advice on a faulty c audio ra3001!!
- Building A new amplifier
- RelaiXed/diy preamp
- Current Mirror Discussion
- Effects of overtaxing IXYS diode bridge?
- Can you check this crossover repair job?
- Yamaha P2500S fault
- How to convert 120VDC to 12VDC?
- Discrete OPA627/687?
- Dx Optimus is being prepared... dynamic bias.. Class A to AB
- SSTART Preamplifier
- Comment on PCB and how to make it smaller
- Amp Stability techniques: Zobel et al.
- Dismante preamp
- Hafler DH-500 problems... ugh! DH500
- Fast Class A Amp
- Help replacing TL072CN op amps for TLE2072CP
- Leach Amp Clone 6 transistor version by Jens Rasmussen
- fuzzy left speaker
- A forum friend has sent me this Class A created in 1967
- matamp quasar 500
- Amp Cooling
- proton 930
- Luxman A-312
- Help (for a novice) Cambridge Audio A5
- krell ksa 300s right channel dead maybe transistor problem??
- Randy Slone's Optimos power amp demo Sydney Sunday Nov 9 2008
- RCF DCA1050 in Parallel Mono
- what to do whit this
- Ground side to OPAMP capacitor replacement?
- power supply help
- Marantz PM64II repairing
- Little opamp/darlington amplifier
- Rowland Research Amplifier Help!
- Troubleshooting 35V on speaker output
- Marantz SC-80 / SM-80 repair queries
- SONY TA 70, repair help needed
- please comment my pcb
- Crest CA9 spare input boards?
- Borbely interview released ...
- sansui qrx 6500
- service manual for MARANTZ SR 5300 NEEDED PLS HELP
- Citronic PPX 2400
- another schematic
- '70s Mark Levinson Op-amp
- Yamaha pc4002M inside pics and a meter problem
- Accidentally wired my amplifier wrong!
- National opamp inflation
- one channel has no bass?
- Son of Ampzilla meters not lit?
- looking for Yamaha YM3434 filters...
- Quad 405 hum
- Which DIY power amp clone for subwoofer?
- simple and interesting.possible ????
- How do you mount TO3 transistors?
- I have found a special amplifier, am trying to contact the designer
- Power consumption v. rms output
- Yes - another system ground question
- My Two-Stage RIAA Amp
- Strange Power Supply Behavior
- Marantz 1030 Service Manual / Recap Advice
- Does anyone have a Carver CT-3 pre-amp?
- SiGe transistors... who woulda thought?
- Opamp line preamp questions
- Sony STR-DE845
- please help with an oscillating amp
- how to edit part?
- FET Parameters - Matching
- Output stage device types. Yes or no question.
- Crown Com-Tech 210 Power Amplifier Crown Com-Tech 210
- DC300A opamp replacement
- altec lansing 1594C 100x2 amp?
- Can anyone help me ID this capacitor in crossover?
- Preamp Stage L, R, L+R
- Sub amp level matching
- Hafler 9180 DC Offset
- need replacement part opa445 opa551 opa552
- Carver AV405
- DH 101 Line stage/PS upgrade kit on Ebay
- which System
- Onkyo SR705
- .slb file (translated library file)...!
- p3a blowing 2sc5200 / 2sa1943 problem
- quick solid state amp question
- Musical Fidelity problem
- Repairing a DJ Mixer
- substitute for opamp
- NAD C352 service manual
- Stuart and Neil Build a KSA 50 (tweaked for 100 watts)
- Mf P270.2 input impedance?
- PS Audio 200C Power Amplifier
- so just how good are you guys?
- Yamaha RX-V1 Volume Control Issue
- Transistors Substitute
- Amplifier DC Offset - How Much is OK?
- static shocker maybe?
- Closer to reality, less "pleasant"?
- Yamaha P2100 schematic?
- Bridge Mono a stereo amplifier with balanced outputs
- input stage and VAS testing
- Powered OPA amplifier
- My Son of Ampzilla
- Phonic powerpod K16
- Ground loops, speaker hum and buz
- fidek fa1502 amplifier
- thanking you
- Case - List of suppliers
- Got 2x65VAC PS, any idea on DIY amplifier module?
- Opto Power Amplifier - 100% NPN
- Quad 44
- Bedini 250W ?
- loudnes control
- Simple amp from used parts
- quasar amplifier by dr bora 1000 watt
- Hafler DH200 Power Upgrade?
- Onkyo SR705 NEWB Needs Help
- Noob alert! Adcom 565 Q's
- Marantz PM 66SE KI Signature - volume control fault
- Question about power amp built in high pass filter
- yamaha rx-v870
- possible leach problem??
- Quad 33 Please Help me !!!
- Ayre's KX-R reviewed in November 08 Stereophile
- buffer
- Yamaha AX700
- 24V Tube IRF610 MOSFET Hybrid HPA
- Marantz PM 440 and PM 351 Schematic required
- quad 33
- The Royal Mail, Burbec, and the tale of the lost board.
- Newclassd Gold Series
- Crest Audio 4801 PSU Capacitors
- LU1014D Power JFET DISCONTINUED
- Dead AV receiver TEAC AG-V3020
- Quad 405-1 Avondale
- Mosfet problems
- JFET CS design, how? (and possible SPICE oddity)
- Matched 2SK1530/2SJ201
- solid state
- Hafler P-230 recondition
- Balanced audio distribution amplifier
- Yamaha EMX3500 repair - help needed
- New Member and Biema Q400 question
- Class A design question
- parallel complementary stage
- Beginner Project needed...
- Looking into building a compressor
- Fixing Amp - No Ideas
- Troubleshooting NAD C350
- Sumo Andromeda mods
- Preamp hum - any idea to minimize it? (Schematics added)
- Please help with NAD 1020 Pre-amp
- weird problem
- Increasing input Z on Leach amp
- Sugden A28 II schématic ?
- tl072cn replaced by opa2134
- Need some help deciding!
- Musical Fidelity A5
- Eagle PCB
- My version of a Slone preamp
- Technics SU-V570 schematic ?
- AD797, how to make the best of it
- schematic software
- Hafler DH200 DC Offset
- Helps/opinions needed before renewing my old Mini Crescendo amp
- Power Amp Design
- car amp voltage
- Quad 33 Please help!!!
- Gfa 555
- HK 330B Question
- Want To Convert My Washburn Bad Dog To 9v Power
- parasound halo a52 voltage
- DIT amp schematics ADCOM GFA585 rebuild?
- Aerovox vs Blackgate
- panasonic am capacitors
- How is the Quad 303 compared to 405-2 ?
- need echo circuit schematic does not have an ic in it
- Kenwood KAC 848 rail voltage fluctuating
- Lab.gruppen SS1300
- Schematics for Yamaha H7000 amplifier
- Solid Bb604 Amp
- Perfect sound search, this idea, HELP!, the long and insane search...
- J270 (P JFET) anyone?
- opinions on which plate amp
- Ev 7300a
- ML2 Overhaul Questions
- SKA GB150 or NxV200
- You PC amplifier can be modified to produce better sound
- How do the pinouts on Exicon mosfets work?
- OPA827 available
- Transistor testing question
- So Sick of SEARCHING, help me find a good +/- 24v regulator PLEASE!
- Blown Power Supply KSA 200s
- qsc RMX850 potmeter replacement
- HRII revisiting, have you experienced problems folks?
- Phonic Powerpod 740 schem
- Power amp schematic
- Yamaha C-80 preamp problem
- Building a +/- 24v Regulated PSU?
- help! pioneer a-400 thump
- Null Meter...build one?
- What parts in input board of Adcom 555 II
- DSE A2760 Amplifier (aka Koda-261)
- TL071 and TL072 upgrades
- What you always wanted to know on layouts...and now....you do!
- u/a capacitors
- NAD power lamps inside the enclosure
- Discrete I/V converter
- Adcom GFA-565 Driver Board Cancer
- Vintage Receiver Issues