View Full Version : Solid State
- TheTwelve SE class A TMC amplifier
- Help Fire - Need New Sub Amp
- Yamaha RX-V2600 does not power up
- Building a 400 watt amp from salvage
- Problem with HCA-2200II
- B&K M200 Monoblock Schematic
- solid state wishes
- Hooking up with TS to pro amps
- Marantz PM4400 potentiometer change
- Rotel RA-930BX
- Analog Circuit Design by D. Feucht. edition?
- Direct substitute for 2SD438 with 2SC1571?
- Leaving class A how to make this amp leave class A to AB when volume is increased?
- Sansui AU 517 F2722 PCB Fail
- Common emitter stage driving low hfe output stage
- Amplifiers for gig
- Marantz PM-57 tweaks and upgrades
- your input on this amplifier circui(su opinión respecto a este circuito amplificador)
- Hafler DH-110 Switches
- ISEM Antares amplifier
- Speaker protection/relays? Headphone bypass?
- how much class A power can be expected with a Pair of 2sc5200 1943 pair at +/-52V
- stuck on transistors again
- Source or replacement for 2SA968/2SA2238 ?
- Scheme to build a power amplifier on these components
- Sony N80ES supplemented parts
- Why these resistors
- Q: Solid Electrolyte Aluminium Capacitors in Signal Path
- Mystery amp: can anyone identify?
- Swing Electroimpex Amp Taiga W-1000A equipped with Hybrid Power Stage Sanken S-40W
- pioneer pd 95 cd plaier about 93
- Replacement Marshall Pots
- How to get these spice models in to TINA TI?
- DC voltage at speaker output
- Looking for service manual
- DIY Soldermask for PCB
- Super Leach amp
- Quad 405-2
- Denon POA 6600A schematics
- Sumo Andromeda predriver advice
- Atention !! Marantz PM 17 series users
- Canadian 'Audio Design PA100' schematics needed
- Luxman - Early saturation on negative cycle
- 50K volume pot in place of a 20k volume pot?
- Crest CA6 PWR Amp - 240v to 120v conversion?
- Astin Trew AT-5000 clone
- Silicon Carbide (SiC) MOSFETs and BJTs available now !
- Best cost is no object darilington NPN's?
- 50W class A with LME49811?
- using .1 or .01uf for decoupling capacitor?
- Voltage Regulator for Class A/B Power Amplifier (not SMPS/SPS) - Pros and Cons
- Pioneer SX-5 Receiver - No FM
- LEAK T12 , Point one vs QUAD ?
- How to remove the front panel on a Harman Kardon 330B
- bjt jfet CFP diff input stage
- phase angle of a transfer function
- VSSA Lateral MosFet Amplifier
- Building AMP - Help
- any Krell wizards ?
- Please, Toshiba SC-665 schematic wanted
- Bang-for-Buck, Readily available amp?
- Augmented Feedback Error Correction
- Spendor "RB-50" (RB50) Power Amplifier - images and schematic wanted
- Boostraping your op amp yields wide voltage swing
- 2Sj313 Spice Model
- capacitor advice- these caps OK?
- How do amplifier manufacturers come up with their wattage ratings?
- What does +3v3a mean in a schematic
- Nackamichi IA-3 Upgrde paths
- Rotel rb985 and soft start
- Harman kardon avr 7000 problems
- Problem with Rotel RA820BX4 - distortion in one channel
- 140 volt op-amp rail to rail
- insanely extreme high gain amplifier?
- SSM2220/SSM2212 for LTP/Mirror
- Cyrus 2 volume issue
- Denon AVR-4306 thermal shutdown
- 554mw from TO92 too much ??
- Power switch suppression cap type
- BIAMP TC120
- HELP!!!!!!!
- Overall noise, singnal to noise(db) & Distortion(%) obtain
- Yamaha P2250C protection relay
- help with QSC PLX1602
- Question on input dc blocking capacitors
- can the compensation capacitor value be reduced in this circuit?
- carver tfm-25 vs adcom gfa 555
- KSA50 clone--Mk1 or Mk2
- Luxman R117 Relay Issue
- Mosfet type?
- XLR free amp
- pioneer pd 95 year about 93 output stage
- does class A amp feel more powerful with same ratings compared to class AB?
- Help replacing volume pot
- Onkyo M508 Repair - Need 1.8V on Q435, Q437
- How to test d5sba20
- Help with bias adjustment.
- Sony TA-N80ES Replacement Parts Needed
- Amp for B&W 801 matrix
- Could some one help me with my Audiolabs 8200a?
- DE-SOLDERING CYRUS II / REPAINT
- Single MOSFET class A output amplifier
- Amp for B&W 801 and TV
- DIY 200 watt solid state monoblock power amplifier
- Purpose of giant capacitors in recievers.
- treshold dac 1e help for schematic analogue
- JLH Buffer - Homage to John Linsley Hood
- DW300 project - one HiFI Audio Amplifier that can run stable on 2 ohms
- how hot is too hot
- upgrade
- Germanium Amp
- Using a Caddock MP821 as an emitter resistor.
- Improving amplifier input stage
- Advantages of flat LF speaker impedance for amps
- Issue with TA1600
- Infinity OVTR 1 subwoofer amp
- Why do AC supplied systems perform better?
- Esoter Evoque Pure Amplifier
- 2SC2922 / 2SA1216 hfe rank mismatch
- fuse blow
- C-Audio RA3000 Blowing fuses
- a new low noise, HV Op Amp !
- Electrohome C-400
- Decoupling for battery based opamp circuits
- about schemes H/K citation 24 and Braun Atelier PA 4 (/ 2)
- Simple Feed Forward for Power Amp
- Emotive mini-X a-100 vs Dayton Audio APA150
- Newbie recap project seeks advice..
- Adcom GFA-5800 amplifier cooling fans
- Hafler 9505 switch needed
- Amplificador SUBZERO
- Son of Ampzilla rebuilt
- upgrading tivoli model one
- BIG transistors
- Another 80's british amp thread
- Yamaha M50 fixing or rebuild
- 250-400watt audio amplifier
- Parasound A31
- Question reg. Sansui Au-D5 mod
- Simple Universal Speaker Delay Using A Triac
- yamaha emx640 darlington amp repair
- The best Circuit of MJ11032,MJ11033 searching!
- Pioneer VSX-D557 Overload problem
- Soundstandard ES200 schematics anyone ??
- Playmaster Series 200 Circuit
- DC offset adj in JE990
- Korting Transmare A500 - vintage German amp, with issues!
- Tekko draws something from his head
- Vintage Toshiba 330 power amp problem, possible repair?
- Complementary Power MOSFETs
- Old class A design with 2SK146 dual JFET
- Balanced NoGNFB With Cross-Linked Input Stage
- MC2505 problem
- Bridging two 300W in 8 ohm amplifier to drive 1200W in 8 ohm
- Can a very simple class A amp produce great sound?
- you gotta be kidding !
- How to find the transfer function of this volume control?
- NAD C370 - red light
- Marantz SR1040 no output
- Mosfet question ( help needed )
- Trouble with Denon PMA-520 bias adjustment
- What is the importance of IQ in a common emitter stage?
- what is the role of the 68pf and 2200pf cap in Hiraga Super class A 30W
- Zero FeedBack Amp
- Motorola Solid State
- Is it worth modding a Marantz PM66SE
- Cyrus 3 2nd stage fault.. HELP!
- Carver CM-1090 pre/pro help?
- Krell KSA 50 clone power supply.
- Pioneer receiver mods
- Are ground planes in audio pcbs legit?
- Radio
- Suggestions for output pairs
- First amp I ever built - An excellent simple class A amp for begginers
- Does anyone know.......
- bow technology is still live?
- Esoteric Asr schematic
- I need help getting started with an Onkyo M-501
- High Power, High Fidelity Lateral MOSFET Power Amplifier
- Cheaper way to test power supply stability?
- Battery Type for Portable Speakers
- high rail voltage chip amps?
- class A output stage without feedback for a DAC?
- Need help hooking up Ashly P70-400
- Surprising polycarbonate caps
- Cordell OF THE Amplifier
- help changing the crossover setting of my class A/B subwoofer plate amp
- catfet amplifier
- Did one sell Krell amp after building LM4702?
- is current in speaker load to be anyway closer to psu current ratings?
- Krell KRC-2 service-manual?
- Sound project Module
- Rega Brio-R design
- Scratchy sound coming from speaker
- Dx Zim (Zimmer) SMPS will be developed to release
- Grounding scheme and loop breaker, need advice..
- Sony TA-FE230 Left Channel Weak
- I need pcb for this scheme
- How to repair and diagnose amp problem?
- WAV File Reproduction Sound Project
- the Inverting stage
- What about car amps?
- Audiolab 8000p stopped working.
- Ampeg svt 3 pro Power Amp
- McIntosh amp smoking
- 2 x 15W rms Audio Amp for small speakers
- Mickey Mouse PA Amplifiers and Mixers (two brands MM + PAiCE) - Schematics wanted
- channel sound loss scott 350R
- Need information for MM AP360 Amplifier
- Help me please with NAD S300
- Arcam AVR-100
- Sansui AU-217 issues
- Marantz PM44SE power/relay? issues
- Rotel RC-1070 Preamp PSU Repair
- home wiring is old knob and tube-no ground plug
- Should I let unused amps sit or power them up and use them on occasion.
- i need LUXMAN L-570 service manual
- Luxman 115 preamped into Concept 16.5?
- NAD T752 Repair Advice
- Goldmund schematics
- The Spanish Trio 5700 story
- Newbie trying to learn about my GFA-535 internals
- Help: A question regarding PCB to PTP?
- Converting single-ended signal to balanced causes background noises
- LME49830 question
- It helps to select best class power amplifier (AB- 40-50 watts)
- Transformer for Nytech CA252 Amplifier
- Dynaco st120
- How good / bad is this amp made?
- Efficient Subwoofer Amplifier
- Need Help With BUZ901/906 MOSFET Amplifier
- Current conveyor
- Question on Transistor amplification
- Output subs for 2sa1301 & 2sc3280
- Technics SA-R 410
- Another "ancient" amp
- Burnt out transistors - replace with same or something better? Rotel RB-991
- Help with Adcom GFA555-II
- Sansui ba-5000 Large Cap Removal Help Needed
- help to select and correct 400w TDA2030A OR 200WTDA2030
- Cambridge Audio A500 & P500
- softstart recommendation for 2kva R-core and 1,00,000uf per rail x 2 caps
- Alternative buffer topologies
- 400 Watt in 8ohms/ 800 watt in 4 Ohms
- Until I can afford a digital unit Old Technics??
- Yamaha AX 500u schematic, integrated amp
- Power rating for short circuit protection in linear voltage regulator
- Leach Amp Tests (weird noise)
- Amplifier with a sound. How to build for second harmonic.
- TCAAS