View Full Version : Chip Amps
- Power Supply Question
- GC 0,22R output resistor
- LM3876 Gainclone, Bass shy
- Need help about 2.1 aranggement
- Observations requested: OPA vs LM vs TDA; LM1875 vs LM3875 - anyone compared them?
- LA4743B Car stereo BTL 4-channel (45 W x 4) power amplifier IC
- OPA549 amp
- i want the datasheet of 2sd669 and 2sb649
- Strange Humming issue...could it be?
- TDA7294 bridged!
- GC As Driver Stage For High Current Amp?
- a questione
- High Power - Output transformer
- Transformer for Group ChipAmp order
- Stereo volume control
- Help!! Poping
- Chassis for a group order of non-inverted GC kit?
- STK power cip , 400 W amp .
- Stk4050v to M2 implant
- Power Supply Question
- G-class with LM3886
- tube buffer values
- class H chip kit,unsuccessful
- Audio Note Tantalum Resistor (1%) US$3 each. Worth using it
- Attenuation levels for stepped attenuator
- Multichannel ground loop trouble
- Simple lm3875
- interest in lm4780 PCBs?
- What makes the most sound improvement?
- My first shot at an IGC
- TDA3875 and TDA3886 and TDA 4780 Single Supply Biasing
- Cermet preset
- IGC Without Volume control
- 400W in a chip
- Is 100VA per LM3875 good enough?
- Transformers
- Using cascoded JFETS to bias op-amps into class A
- gaming chair
- LM3875 and Distortion
- Typical newbie question
- apex opamps
- Loud hum problem
- Source for 1000uF/50V capacitor
- Linkwitz’s chip amp – dead bug or other?
- NIGC with Super Regulators?
- OP-AMPS in Marantz PM7000 Amplifier
- OPA549T help!!
- First Watt balanced gainclone idea
- Transformers and grounds
- my opa548 headclone for AKG-K1000
- 25k pot for Gainclone?
- PPI PC21400 line drivers
- My Hybrid VBGC
- Bridge and Parrallel Output Resistors.
- Looking for a good DIY PCB kit - RS ones any good? Others?
- Feedback capacitor to minimize DC offset
- substitude for opa134
- Class A gainclone/chipamp idea
- Bridged and paralleled (not in the same design) question
- Non Isolated Chip Question
- input impedance
- Audio input selector
- Different type of rectification?
- Problem with high DC on speaker terminals
- Dual Transformers for a PS?
- New project (720W to 1540W power chip amp)
- not an amp
- Need bridging TDA7294 scheme and pcb!!!!
- My Latest
- My first chip amp
- Pics of my Bridged GC
- need help on circuit design
- signal integrator
- Shorted power supply destroys amplifier
- Live!Value's Output Level?
- Chassis ground
- Advice on probes for a oscilloscope....
- Long-term NIGC battery PS impressions?
- 3 TDA7293 running in Parallel
- Tweak/mod NAD C350
- Bridge LM1875 HS
- Replacing Chip
- Where to get TA3020 & TA0105A?
- system level design stuff, i am garlic.
- LM3886 Amp Questions
- radio signales.
- HELP wanted with TDA 7448 CHip
- Can any one help me
- Balanced Pre AND Bridged Amp
- Your ideal "ChipAmp", unlimited budget
- A Vbigc
- LM3875 amp help
- opinions on this mod to the bridgeclone?
- Chill-amp page!
- 100 watt amp
- LM3886 voltage
- Any chip-amps more powerful than LM3875?
- How critical is the 0.1UF to earth cap in the VBIGC
- Finally, almost done with first IGC
- QRP-01 the monster LM3886 Gainclone
- MUR 680 or what?
- DC offset figures
- First GC design. Any thoughts?
- To servo or not to Servo..
- your best 3886 schematics
- Bridging STK4048XI module is the best.
- tda1554 amp attempt...
- Resistor value in the feedback loop
- Building LM1875 GC
- Make things clear about PSU
- Japanese chip pinout
- Question about bridging TDA 7293
- LM3886 GC Design Question
- Gainclone power supply
- New 4 channel GC finished
- REQ: TDA7294 schematics
- Diagram STK407-090
- How best to control input level?
- help needed with psu for TDA2050V
- Classified government ultimate gainclone?
- 7808 or 7806 regulator for Rasmussen tube gainclone ?
- 250va?
- Need PCB urgent!!!
- Stk4191 Ii Pcb
- simple 30W to 40W Amp
- Two variations of same circuit
- High-quality power supply for a gainclone not needed ?
- Best sec.voltage for my GC?
- berilium oxide insulators for GC for sale
- Bridged and Parralleled to drive two ohm load
- Why not put filter caps in power supply?
- preferred bypass
- Upgrade to OPA2134
- No Joy!
- Bypass caps for tweeter GC
- Bridged Parallel Amp Questions
- Help Me Please!!
- Cheap source/step'd-attenuator switches:
- Heatsink question
- The output question of GC
- Actual capacitance on V+ & V- (gainclone)
- Power supply
- Gainclone basics for an enthusiast who's new to them
- Power supply transformer ratings
- Chipamps; Design Considerations for bridging and paralleling.
- lm1875+battery problem
- 100K Noble logarithmic pot
- Aerius I and GainClone
- Another amp with EBay attenuator
- volume
- where to buy lm3875 in the netherlands
- Clone blows up
- Input cap choices
- Transformer question
- Constant current source for Clone
- Transformer Question
- Please grade my 1875 PCB
- a peak at a TDA7293 amp
- finally built a gainclone
- why o why doesn't this work ? Balanced 549
- 4780/4732 miniPCB...
- A preview of My GainClone (pic incl)
- Best possible 10W from chip amp
- NAD 705 broken output stage?
- Is M.L. a looser?
- Could a chip amp power an electromagnet?
- Bridge/parallel calculations??
- Logitech Z-680
- Chip identification: AD42712 (desperate)
- lm3886 tda7293 tda1514
- gc sounds different (better) after a while ....
- Different Transistors
- VBIGC, running the buffer at +/- 50V
- lm3886-dc on the output
- Lm837
- Is the DC supply not flat in GainClone?
- Shielded cables?
- LM3886, Jax how about offset
- strange chip???
- about bridge
- Hi Voltage (i'm hom)
- Either of these two transformers workable for a FrankenKlone
- Computer SMPS and Gainclone
- 4 transformers, still a power problem
- NE5534 questions
- Radioshack special GC
- TDA2050 Input Sensitivity
- Current-injected Valve-buffered Gainclone
- What chip for ~+/-65VDC ??
- Unity Gain Operation (or low gain)
- How to bridge a Realistic amp with the less components
- amp
- Newbie needs advice-help
- Reducing output voltage
- Lm3886 Pcb
- LM3886 Power Supply Schematic?
- A few GC newb questions + probs
- LM3886 problem
- 2ohm
- Seeking gold, ganged RCA panel jacks:
- Minimun Components to TDA2030 and TDA1514
- *sigh* I think I don't like TO-220.
- grounding & power supply questions
- My first, um, thing
- Buzzing transformer
- Downsizing a toroid
- Onkyo tx-ds 676 upgrade
- VBIGC resistor problem
- Exotic component choice for a GC
- Big trouble with TDA1524! Pls HELP..
- heatsink size
- Second gainclone...
- Just fired up my new dual mono lm1875 Gainclone.
- Stereo LM3875 PCB
- TDA1190z
- Mounting the Chip Amp- Overtightening?
- lm1876
- Can TDA7370 drive 2ohm load?
- LM3875 Newbie Question re: sensitivity
- Funny reading from my PS
- REALLY stupid question....
- new chipamp tda7374
- Rectifiers for the GC
- pads
- Amps
- Best Gainclone Design is?
- parallel connection
- Please critique my Gainclone PCB
- 4 or 8 x 60w amp
- Just screw it on a piece of spruce
- parallel or bridge
- Paralleling LM3875 to take tougher loads
- about isolation
- LM3886 Spice Model done
- Preamp - Massive DC Offset (OPA2134)
- LM741 and RF NOISE!!!
- Input impedence of inverting gainclone
- Chip Amps in Germany ?
- GC Battery PS - A couple of Questions
- limiting the HF in GC
- Need good foil Caps for rails
- Definitive 24V Gainclone Battery Supply Recharging?
- Input for Subwoofer Preamps
- Non global feedback regulated supply for GC
- TDA1514a amp
- About power supply
- My First Gainclone have background noise
- can tda1514a bridged hold 4 ohm load?
- Pix for your amusement
- about lm338