View Full Version : Solid State
- JLH Class A headphone amp from eBay...setting bias/output help needed
- Creek 4330R Integrated Amp
- NAD 705 strange behaviour, intermittent fault?
- 47 Labs 0347 amplifier
- Mc2505
- Manual Service mc2505 seral AT
- 2 Channel SS is Awesome!!
- Sony TA-VE700 schematic
- Another Extrema 100watt class A power amplifier
- Hum on Avondale NCC200 derivative amp
- PLENTY OF IXTK 62N25 mega mosfets
- Hafler DH-220 one channel out, no bias
- Doz Output capacitor
- NAD T762
- Need Help. Woofer gets pushed out and hum when I turn on amp
- Citation Twelve Deluxe Repair
- The YAPA150 - Yet Another Power Amplifier
- Replacement motorized volume control
- 1500 watts ab class 2 ohms
- LM4562 Oscillation
- Supercapacitors as power source ?
- No sound > crank the gain > sound pops on and works fine. What causes this??
- ultimate Fidility amp with new VAS.(breaking barriers <10ma Standby current)
- need help - modded amp blowing fuses
- Ultimate Classb amp New VAS
- Coupling capacitors
- Bias Current Class AB Amplifier - More Always Better?
- What would be proper way to split signal from pre-amp into 3 amplifiers?
- Amplifier Trial Design with 18V to 35V Supply
- ADCOM GTP-500 Help (please?)
- Thomann t amp S-150
- Tekko builds OnAudio's SYMEF Amplifier
- pc set up, need help with a 2.1 set up.
- Mc Intosh 2105
- Exicon double die MOSFET
- denon avr-1906 thump problem (weird)
- What kind of feedback do you call this?
- leak stereo 30 plus caps
- MJL21193-94 Amplifier Design Suggestion
- Phonic MAR 1
- 120W amplifier
- Weak Phono on HK690i
- Bipolar Power Amp With Single Ended Input Stage Inpired by Mooly
- Build 31 band equalizer use TL072 OPAMP
- CS-800C
- Denon DR220 Cassette Deck Schematic
- Anyone install Hafler DH-500 upgrade kits sold on eBay?
- F_V FET Power Amplifier With Single Ended Input Stage
- Voltage regualtor help please
- Beefing up an NVA AP10P Amp
- Sanken S-40W bias problem/getting hot, any ideas?
- JVC VN700 power off problem
- balanced class A fet amplifier
- Biasing output transistors with constant base CURRENT
- The Luxman R-1050 is in protection mode after a lightening storm
- BGW 203 preamp
- It's not worth fixing...I hate that
- Testing output transistors.
- DIY Max Power Low Cost Amplifier Design
- Biasing MOSFET amplifier
- ESP P3A Layout
- SS Amp with tube preamp as final project for my my university
- Repair of Denon 2308/888 receiver. Board level
- Good amplifier
- Electret Bias
- How does BTL double the voltage swing?
- Replacement for 2SK372 N-ch fet?
- How to implement a conceptual output stage. (New Class?)
- Germanium preamp
- Gateway to professional quality: headphone amplifiers
- CLASS A MOSFET OUTPUT STAGE
- my new studio amp
- output relay for power amp
- help on ppi 2400 amplifier
- NAD312 Problem
- BALDWIN GERMANIUM AMPLIFIER
- Help with amp bias adjustment please!
- Removing the RCA sockets Capacitors, yes or no?
- Technics su-g91 clone
- Alternative Power for amps
- Schematic for Marantz PM55-SE
- Meridian M2 active speakers 'hiss'
- old units, new caps
- Large DC offset
- Threshold s150 amp need parts
- Quad 303 output capacitors
- Pioneer A400 Power supply Caps
- Quick guide on Grounding
- Schematics for Nytech CP112
- Death by Integrated
- Rotel RB-870 blowing rail fuses
- Help with push pull opamps
- F5c Transformer
- JVC 4vn-990 is it worth buying?
- Advice on replacing transistors in a Rotel
- Threshold T800 schematics?
- diyAB Amp The "Honey Badger" build thread
- Kenwood model 600 bias problem
- PNP Amp?
- Current Mirror emitter resistors smoking
- Potentiometer swap out help
- Hafler DH-200 Dead Channel
- [tip] Quad 303 trouble
- LM837 oscillations
- Leach Amp (LS R & D) Chassis and Power Supply
- Musical fidelity A1-X
- Problems with Kenwood L-07M power amp.
- SymiFet A 100% symmetrical mosfet amp
- Need Help fixing chip amp
- technics su g91 mystery connection
- Please suggest a high rail voltage (160V) amplifier
- amplifier problem
- Stability of a JFET cascoded by another JFET
- Protection mode of CA Azur 540A V2
- Karan ka180 opamp help
- is SuperA same as class A?
- adcom gfa-555 repair help sought-va local expert?
- Sony STR-6550 Problems
- Theoreticly perfect amplifier
- Luxman m4000 transistors
- Load and device protection
- jfet preamp - does a jfet exist that'll work at just 5V supply?
- Simple 100W power amp
- Still good to use ?
- Help with basic amp design
- Cyrus One Bias Issue
- Mystery MOSFET mono amplifiers with 2SK135 and 2SJ50 - a little help?
- stk-4151v test.
- Bulbs for Sont TA 1120
- Stee's Adventures in Hi-End Wonderland
- C.E.C AMP71 problem
- Korn & Macway KM 50 Amplifier
- Hiraga 30 watts class A amp
- LTspice / newbie question
- Another Parasound HCA-2200ii owner checking in
- Help me understand solid state pre amp
- Beginner question current draw
- Required guidance in choice
- Krell KSA80 crackle and pop sound
- Parasound Halo A23 "triangle" noise
- PRIMARE 202
- Pioneer vsx1020 turns on and off 50 times before staying on.
- Decoupling supply
- Amplifier close to PC = no go ?!
- Building INA103 Mic pre
- Amplifier input query
- Luxman R-117 - intermittent channel – need assistance!
- Logitech amp upgrades
- Hybrid amplifier coil construction
- Relaixed2 -- DIY Balanced Pre-Amp Build Report
- Looking for a great pre-amp, amp for my vinyl
- Help choosing Amplifier
- Sunfire Tracking Downconverter Delta V adjustments?
- Passive Volume
- Bored on a sunday with some pnp transistors
- C-audio SR 606
- Suggestions for a very low distortion class A headphone buffer
- Class A BJT buffer for tube preamp
- Anyone have Anthem PVA2 Schematic?
- Op-amp tone stack
- Technics class A Quiscent current
- JVC AX-2 Integrated "Super A", Marantz Circa 1978, Realistic 10 band EQ
- Sony STR-DN1010
- Adcom 545II quirk?
- yamaha a-500 output transistors
- Pre-amplifier grounding compendium?
- WANTED Sanken S-40W amplifier module
- Energy ES18XL subwoofer amplifier need schematics
- Transformers and transistors, can I build an amp?
- Spare Parts for 10 Years old Devices from Cambridge Audio - where to order?
- Restauration of an old Sansui
- QSC RMX2450 Blown Output Transistor
- Low power JFET WCF
- quad 405
- Isolation for heatsink..looking for advise.
- Accuphase P300L and others Service Data
- Isolated DC detect circuit?
- Ampzilla III
- Will my design work?
- Anagram Power Loop Module - Simplified Schematic resp. Theory of Operation wanted
- Which DAC with PM-94
- Quad 303 recap
- Bridging two monoblocks Denon POA-4400a
- Nbip300 Quasi amp with MJ150024 GAIN problems... 109 Watts only
- Marantz MA-500 cutting out...
- Hafler 945 series schematics
- Quasi MOSFET AMP Driver Stage Questions
- Dynavector SSP/M101 info needed please
- High bright 12AX7 solid state drive
- A4601T Amplifier Reuse
- The very great amplifier
- Adcom GFA-555 mkII setting problems
- mini crescendo pdf
- a case of thermal runaway?
- Voltage divider?
- replacement 220uf bi-polar options
- Speaker damage due to amp malfuntion
- Yamaha C1-preamp --Vfets
- I am looking for an amplifier circuit of 25-30 watts.
- Harman Kardon hk775 price
- Biasing and safe operating area region
- YBA PASSION 1000
- cyrus 2 amplifier
- Amplifier 2SJ200 2SK1529
- 50 KSC1845 tested
- SJ5492F transistor replacement needed!
- Peavey CS-800 '90s power supply heat
- dc coupling (audio research d300)
- The DiaPhone headphone amplifier
- MJF15030/31 versus MJE15030/31
- Spice model for STE47N50
- Real Load THD - a somewhat philosophical question...
- VA RATING
- Any local greater Vancouver BC techs
- Should there be connectivity between the 2 prongs of the switched outlet
- Revisiting the NMOS amplifter
- ROTEL RB-956AX
- Shorted output transistor
- BK mosfet amp build
- MOSFETs + OpAmp. Pavel Macura's designed amplifier.
- fake 2sk1058 -- again
- stk chip stability issues
- My mistake. Adcom amp issue.
- Buying caps?
- ksp13/14 instead of MPSW45A Darlington transistor?
- Arcam Alpha 8R relays
- optimum Vds for 2sk1058 and 2sj162 ?
- Cambridge Audio A1 - which audible sonic difference between all Versions ??
- semisouth sjep120r100a
- JVC AX-Z1010 repair, resonator broken? Help?
- Help With Building a battery powered amp.
- I have a bag full of MJ11033 TO3 transistors...
- Aimor DA-4100
- what to do with old 100kva MRI power amplifiers
- VAS/Driver Transistor
- Peavey CS3000G amplifier schematic wanted
- Preamplifier with BS170
- Technics SU-Z980 schematics or service manual wanted
- Loudness and power
- Samson Servo 550 stuck in protect...help!
- Need the frequencies of 20 logarithmically distributed non harmonically related sines
- true class A or push/pull(A/B) for a studio monitoring?
- Akai AM-2200 distortion on output
- P channel amplifier
- Need help with Naim NAP140 diy module from eBay
- uk mag electronics in action(EIA)
- Enhanched CFP amplifier
- Do you want to submitted make an amplifier?
- NAD 304 protect mode, very strange behaviour
- power rail decoupling/bypassing