View Full Version : Solid State
- Mark Levinson 431 schematics needed
- Bryston 4B power transformer replacement question
- Has anyone implemented a Pass style power amp with bipolars?
- Class-AB meets Class-D: Yamaha's EEEngine Topology - where are this Diy Projects?
- Gain/bandwidth - pre amp
- Combo MOSFET 50W÷500W
- Single Jfet amp How to calc gain?
- Where to buy an Avel-Lindberg D4007?
- glass passivated plastic rectifiers
- Dx Troyan, a 650 watts channel amplifier.
- Ask about CCS: add capacitor?
- power amplifier OCL 180W MOSFET J50 and K135 diagram
- Marantz Pm-40 SE
- 35 years old and still going strong
- Can Anyone Identify This Component in Meridian 103/5 Power Amps Please?
- Transformers for Germanium transistors
- meridians need new filter caps...
- Marantz 170DC static noise (both channels)
- Bridged mode for C-Audio RA 3001
- Sony TA-1055 Volume controller
- 7800W at 2ohm. Is this schematic going to work? what do you think.
- Low power discrete designs?
- Anyone here in Eastern NC that is good at repairing amps & will teach?
- OPA637 - BUF634 power supply?
- PLS HELP! Strange Mcintosh MC431M problem
- New Threshold Audio
- Sansui AU888 make over....
- About This "Simple Machine"
- Quad 303 problem
- Ad8307
- My 100 watt amp
- Rate and comment my poweramp design
- About two Output Stage
- Luxman LV-117 - 128v ripple
- Symasym 5.3
- Edwin 20 watt (Elektor 1970 - May)
- Accuphase C-270 Schematic
- Accuphase C-270 - Cleanup and Capacitor Ident
- Help !! ELECTROCOMPANIET EC-1 preamp
- one question more.
- Grounding options with multiple cap's
- Krell KRS-2 DC Offset pots
- That curious extra knob, or: "Trans-Amp"
- Emergency! Please help me choose 2SA1216/2SC2922 or 2SA1295/ 2SC3264 transistor
- Dx Blame ST, operating from 18 to 24 Volts (unloaded) - Class A
- BF469 to BF472 - a friendly warning
- Best audio power MOSFET
- Randy Slone Passes
- Power OTA with NMOS
- JVC Amplifier AX-R97
- Lateral Mosfet amp with DC offset >100mv
- Help! party this weekend and no sounds
- Amplifier with 220 input voltage, will it work in US?
- New amp question
- Rotel RB-870BX need help
- JBL 518S amplified subwoofer system
- Servisol Super 10 Switch & Contact Cleaner
- Simple Bipolar Power Amplifier - Non Feedback and Production Ready....
- Best amplifier in the world!
- Bedini 100/100 Hum in one channel.
- Please some on verify Adcom GFA 585 Input board caps(c165, c164)?
- New Doug Self book...
- LTspiceIV librairies management
- understanding amplifiers
- Pioneer SX-1050 intermittent sound cut out
- Infinity BU-1 sub low volume after repair
- Hafler DH-500, Problems of thermal sensors..
- Benjamin AES paper in 1992, the I-V locus issue
- NEC and Renesus merged
- gk 800rb probs
- Diff(erent) input stages, simple is not better
- Luxman r-1035
- Cambridge A3i
- Found useful active filter tool
- tone control in feedback loop
- Power transitor question
- Mitsubishi DA-A10
- Nad 310 upgrade
- Counterpoint SA-100 Fix
- Solid State VS. Chip Amp
- Hafler DH-101 Volume Pot
- Left channel dead
- QUAD-405 modify of the comments
- Amp makes whistle sound after turn off
- Zca ....turbo
- Closing the loop
- Need help with spectral dmc 6 preamp
- How loud is 250uV white noise?
- PHONIC MAX 1600 Service Manual?
- Marshall MG15CDR
- Question About Pre-Amp Schematic
- Studio 350
- Which THD Components arises if different Ube Voltages by parallel Power BjT's
- sony ta-2000 preamp
- Musical Fidelity A1001
- Increasing Filter Capacitance in Subwoofer Amp
- Help, how to adjust trimer(potentiometer) on transistor amplifier
- Old amplifier smell
- Holton N-channel amplifier problem
- P3A COMPARSION TABLE ( long .... )
- A trick for connecting Graphic EQ to Amp
- 450-1500watt from Ground Sound
- looking for upgrade NJW0281G
- Another no overall NFB amp
- "Emotiva" brand amps
- "Arching" on power swithch...
- Any Techs near Tampa to repair my Threshold amp?
- Can this scheme works like this?
- Tube/Mosfet 100W Hybrid Amplifier
- Dynaco ST-410 fan running way too fast. How to slow it down?
- Looking for Technics SE-A5 Service Manual
- Hafler DH-220 upgrade newb questions
- 50W mosfet amplifier IRF540/IRF9540
- bass amp troubleshooting (behringer BX300)
- Small mod, what is the effect?
- Symetrical schematics are alike plague in Brazil, do you like them?
- STK3062IV substitute
- Denon PMA-700AE
- Earth current leakage
- Linn LK1 LK 1 Record - and Source-Indicator LED's wanted
- McIntosh MC2120/MC2200 bias adj. puzzle
- Trafo CT connection point
- Need Schematis for a Pioneer VSX-9700S
- another one to build an AV800 / AV1000
- High Voltage Direct Drive amplifier for Plasma loudspeaker
- Help!!!
- Problem with my Harman Kardon 930 receiver
- Kuroda TL071 60W FET Amp (1982)
- mfd = micro and not milli farads?
- dynaco pat 4 parts list, capacitor question
- What does this cap/resistor do in the input stage?
- Datasheets for 2SK356
- Naimclone PSU variants
- Arcam Alpha 3 Int. Amp. what caused this!
- Do I really need 2 transformers?
- i have 2 X quad 306's could i bridge/parallel them and use them as mono blocks?
- New Push Pull Buffer Approach for special Kind of THD - MOSFET & BjT - New for me
- Peavey transistors
- heating of mosfets
- Hard wire as per schematic!
- Need schematic/service manual - Belles DMM pre
- Impedance matching of coils into preamps (guitar pickups)
- Speaker delayed insertion, speaker protector, off set sensor
- Very hard to find - Brand Name: "power" - Power Amp APK/APX series schematics wanted
- Understanding Anthem Amp2 output circuit
- Technics SU-G50 mods
- Germanium and silicium transistor in darlington ro sziklai
- NAP-140 Clone Amp Kit on Ebay - regulated supply
- MOS Power Amp -My Design
- nad c315bee nosound output
- Centre tapped coil with in a coil - inductance?
- McIntosh MC2200 Schematic or SM wanted
- 500W PA amplifier with Limiter
- LME49880 JFET Input Op-Amp
- Amp to drive 1ohm ribbon, using Dx
- Bedini 10/10 Class A
- Looking for used commercial(or other)integrated
- RF filtering
- Trench MOSFETS
- A "Patchwork" Type Concept Amp
- Dual Toroids in Close Proximity...An Issue?
- 2 amps, 1 set of speakers
- P3A Oscillation
- 100W Ultimate Fidelity Amplifier
- diy etch Superteddyreg and Powerreg?
- Successors for Toshiba's IGBT's GT20D201-GT20D101 used e.g. in Elektor's CFB Amp
- Pioneer A-77X Schem or SM needed
- Proton D940 Help
- Dx Blame ST - Builder's thread - post pictures, reviews and comments here please.
- Protect mode on Sony TA-N9000ES
- Cambridge audio A5 fried channel
- THD Noticable?
- Block negative DC
- popping sound marantz sr4001
- Which opamp to use?
- AKSA 100 schematic?
- 100W/8Ohm working design needed
- HELP!! 500 watts rms @ 8ohm circuit design
- Behringer Europower EP1500
- QUAD 405 revisited (TL071 & vertical MOSFETs)
- Very low frequency oscillation in amp
- TL071 hand-made simulation using discretes
- S.A.E preamp + amp
- Can a toroidal transformer produce all this mess?
- Vintage reliability?
- how to upgrade amplifier for more power?
- Logarithmic Amplifier Design
- need advice, repairing NAD C372
- Help need for Electrocompaniet The 2 channel amplifier
- FOKKER, the competition nigthmare. name came from a Dutch man
- Another strange design
- Musical Fidelity Typhoon transformer was burnt
- Schematic needed: Sony Integrated Stereo Amplifier TA-FE610R
- Carver M-1.5t loud noise on one channel
- hk 460i crackles
- servie manual for old crown
- Tone control not working
- Alesis RA-100 - may need a new transistor
- Class A vs Class AB design
- Jvc audio amplifier ja-s10
- Simulation parameter of MJE182. Correct or wrong?
- SMR791 diode crossreference?
- BV Audio
- How could an amp lose half its power ?
- Sanken Darlingtons
- So how much power do you really need for domestic listening ?
- Krell KSA100S Modifications
- QUAD 405 revisited (AD844 & vertical MOSFETs)
- how old is yamaha's rx-v800?
- ar3a aleph-x
- Spice Simulation of Adcom GFA-555
- Question on Class H amplifiers
- sSchematic diagram of Unison Research Unico
- All for one - one for all
- Voltage Conversion on a Bryton amp (120V->240V)
- Pre amp for Power follower
- any amp designs that sound like a sansui
- Lang 20w Class A amplifier
- Any Carver experts out there (PXm900)?
- Accuphase clone
- best place and value for volume pot
- BJT output device substitution
- KrellClone KSA100-MKII Power Supply
- Kenwood KA4002 problem
- ideal amplifier power rating to match speakers
- NAD 160a Problems
- Anyone owns a NAD C300 or Service Manual
- Anyone owns a NAD C300 or Service Manual
- Carlsboro Powerline 800 Amplifier - Schematic Needed
- Beefing up the Blameless.
- help with europower ep-2500
- Lateral Mosfet Tests - Rauch DVT 250s Restoration
- P3A at >200 ma bias
- mc2105
- cyrus 1
- 1000W amplifier -- This is great schematic
- True Power Meter like Accuphase - schematic wanted
- input in guitar combo
- Besides gainclone, any other choice?
- Where to Find OLD JFets? 2SK146, 2SJ73, 2SK147, 2SJ72?
- Switching PS for Audio Amps?
- Because old caps?
- To Visch or not to Visch?
- BJT Push pull amplifier SOA pizeo driver
- Need info to build audio amp
- Faulty Yamaha CA-800
- Voltage coefficient in feed back resistor
- any body have details of 450 watts TIP142& TIP147Transister amp
- Adcom J6 Substitute
- 46n15 250watt MOSFET in to220 package !