View Full Version : Chip Amps
- BGT3886nigc plus drv134
- GCSS boards? Brian?
- Chip Selection for woofer?
- BPA-200 from BGT LM4780 kit?
- Bridging 2 LM4780 chips
- How feed 4-6-GainClone monoblocks?
- Brian GT Gainclone Watts/Ch & Power Supply
- Heatsinks
- 3886 DC offset (again)
- LM3886 very prone to mains noise
- Res Survey:....... Carbon film ...or... Metal Film ...............??
- How much input impedance is enough?
- - 197 mV offfset on LA 4663
- HELP First Amp Build - Gainclone?
- Dual CT Transformers with LM3886?
- Newb alert on chip amps!
- Need help on tda7294 amp
- what to do with +-42V and 320VA trafo?
- Hum with Brian 3886 kits
- Which heatsink?
- AD8620 Type Question
- Location of input coupling cap
- Finnished LM4780
- what happend to my lm3886 amp?
- What should I do with extra transistors?
- TDA7293 - Need help on circuit
- Class D amplifiers on National Chips
- FYI: Linkwitz has updated his LM3886 design
- MY finished LM3886 amps
- OPA541 problems
- help me with OPA541
- LM3886t question
- How to parallel two BrianGT Lm4780s?
- Remote Volume control?
- Slew rate value
- diy amp help, new to it
- op541 gainclone
- LM3886 Distortion Sources
- Another VBIGC :)
- LM3886 @ Parts Express!!
- Clipping Indicator
- HCCA X-Over chip questions
- Ohhh Fire works (4780 Brian GT Kit)
- Ref, Ilim, and E/S pins
- Brain GT 3886 PS question
- Panasonic FC or Elna Cerafines
- Yet Another 3875 Heatsink Question
- To those using the DVR134...
- About Chips Amps Forum...
- OPA541 replacement
- LM3886 GC + Behringer + Parallel woofers Q
- Help The Newbie
- Suitable woof & tweet for CV Full Range chip amp?
- Gc + Dcx2496
- GC damaging speakers?
- Improving the Non-Inverting chipamp
- Need help with LM3875 as bass amp
- Amp is intermittent
- opa541s
- my finally finished gain clone (the whole story)
- Opamp choice...which one?
- Paralled 4570 boards questions/help
- Mute on BrianGT LM4780 PCB ?
- VBIGC startup delay and softstart
- Picking LM3875 gainKlone parts
- Accuphase E-205 Amplifier......problems!
- My "audiophile" LM3886 approach
- LM4780/LM3886 to power large speakers
- Professional to consumer line level conversion on PCB
- Where can I get Brian's LM3886 GainKlone PCB or KIts ?
- bridged opa549 odd workings
- Op amp trouble shooting
- Damage recovery
- digital versus analog volume attenuation
- my view on a 549 amplifier (photos)
- Has anyone tried servo-less BPA 200?
- LM4780 - Heatsink and isolation
- LM4780 Paraclone
- LM4780 no connection pins
- Jlh '69 vs Gainclone or Hiraga
- TATCA - Finally Completed + Images
- Clipping GC?
- capacitor in series with pot, no bass.
- LM2876/LM3886 amp boards for sale with active crossover
- Need LM1875 PCB layout !!
- What min.V for capacitors?
- A bridge circuit, made by our forum friend Rodolfo, from Tamaulipas.
- My Lm3886 based on BrianGTs Boards
- D2822 circuit improvements
- VBITNGC integraded PC?
- opa627bp....counterfeit?
- pioneer chips
- law faking pot Q
- Radiotehnika y-101 update to LM3886
- How to use LED with +- 25v tranny?
- Bridged OPA541 amp humming
- to snubberize or not to snubberize
- BrianGTs LM3886 input resistor R1
- 47labs Gaincard: new circuit. More info available?
- Struggling with my buffered GC preamp
- New Fully Integrated LM3886 GC
- 1 farad power cap
- Is LM3875 Enclosure Venting Required?
- How capacitance much and where?
- sub filter
- To DIY?
- 5 channel lm3875 layout
- pwer supply for cip amp
- output buffer for GC question
- Need an Op amp which can take a 60V - 140 V input
- Impressions of Snubbered BrianGT 3886 vs Reg 3886
- It's time to solder my LM4780 chip
- What's nicer than a TL062?
- Chip Amp Wire Gauge
- determine VA of unlabeled transformers
- My first pre-amp for my LM3886GC
- amp suggestion or tips
- Supply capacitance reduces hf performance? Is that true?
- Lm4651, Lm4652
- LM3886 Users Guide posted on Chipamp.com
- Need help on 3875 Rev 3 PCB placement in enclosure
- Attaching chip to heatsink
- my parallel 2x OPA541 chip amp completed
- BrianGT's LM3886 board, and hiss
- ChipAmp/Pre ..... for iPod ....... for a girl. - pls advise.
- AC to dual transformer
- trying to find a torrid
- Need help with my Differential Amp
- new LM3886 pcb layout i need comments and suggestions please help me friends>>>
- My LM1875 gainclone... point2point...
- Heat Sink Sources?
- Power IC "A210 K" ???
- resistors values
- Cheap cases at the thrift store
- stk4231 bridge
- Swapping tda2030b with ????
- AD843 or OPA2604 for GC buffer?
- Amp crackles and dies
- Check filter Schema Please
- newbie question:do i damage the speakers if this is the case?
- transformer VA
- TDA7293 with OPA2604 suggestions
- need directions for 8 channel amp with LM3886's
- Just a newbie here~~
- Chinese GC
- LM3886 at high voltage and power?
- Center Tap vs Dual Secondaries
- Cheap way to get a LM3886 in Italy
- Integrated Gain Clone Chip Amp
- 4780 single sided pcb redesigned
- small amp (20-30watt) for fullrange project
- single supply opa549
- Bypassing the LM6171
- LF357 stability
- LM1875 based on the LM1876 datasheet schematic??
- Gainclone too quiet?
- Possible GC case? Hmmmm....
- Circuit for analog VU meter
- What is better -> Buffer or simple pre
- OPA549 x 8, bridge/parallel
- Legacy GC with new snubber PS
- Getting an LM12 in toronto
- lm4730 project
- The sound of PSU
- Anyone has a nice preamp PCB layout?
- active filters: which resistors to buy
- Finished my GC!
- Bridging, matching +, what impedance?
- Diy subwoofer amplifier burns
- What is correct method for shielding?
- Noisy earth
- the buffered GC really is a monumental amp!
- My monoblock Gainclone LM3886 (photos link)
- new source for cheap heatsinks?
- My opa549 amp and opa627+buf634 pre
- Software (CAD?) for chasis design?
- Remote pre-amp for Brians lm3886 kit
- Active Filter Network
- DS1666 vs. DS1802
- problem with LM's and power supply
- *CC suppressor cap query
- Composite Buffered gc
- Chip insulators
- Has anyone used linkwitz 3886 design?
- Eagle footprint for 16mm dual pot
- Bridge/Parallel Configuration Help
- GC buffer question
- Help verifying LM3875 GC implementation
- LM3886 - What Transformer ?
- chip preamp for my chipamp?
- Cheap Alps Attenuator $20
- NIGC 3875 Distortion?
- INDIA--PCB source
- GC + dvd combo
- The "instant amp project"... ;)
- Quick PCB question
- Building LM4780 Multichannel Amp
- Wouhouw It is finished
- How to add Vol port to this circuit!
- 12v for 3875 and 35v for tube buffer?
- Adding Vol Port to this LM3886 Circuit!
- Buzz Noise on outputs with inputs attached
- Maximum voltage for LM4780
- LM4780 amp
- Balanced -> oscillation?
- LM4780 power supply
- Panel thickness and shielding
- LM4781 and LM3886
- Question about Lm4780 kit
- Transformer wires too small?
- Blowing my fuse (s)
- Blow up once, Blow up twice and Blow up somemore
- GC with lab supply
- LM4780 w battery?
- Brian LM 4780 rocks the Shed
- PGA 2311 Test Circuit
- Three-way Project
- LM1875 pcb, need comments.
- Lm4780
- One more finished BrianGT 3875
- 2 general gainclone questions, and an lm1875 question
- old transformer lying around
- Lm3876
- BrianGT's LM3886 Kit
- Magic Smoke (smells bad works good)(long)
- "Double powersupply" LM3875 gain clone
- Morbid curiosity, peltier cooling?
- My BGT-Clone
- effects of gain selector switch in the feedback loop?
- Customizing for frequency range?
- buzz noise on outputs with no input attached
- Finished my snubberized BrianGT LM4780s
- Transformer Hum
- Brian GT's LM4780 PCB layout
- Lm4780 with vaccum tube
- hiss
- 36 V DC offset when source connected
- Help Wiring Toriodal Primaries
- Gainclone/card the hard numbers, where are the specifications?
- Is it the right way to bridge a dual OP amp?
- Calculation formula help request; 20 gain is equivalent to how many decibles???
- LED for BrianGT 3875 Kit
- Carlos' snubberized Gainclone Power supply, Part II
- Bootstrapping a LM38XX and OPA54X
- input for LM4766 with LM1036
- BrianGT 3875 parts changes
- I did a search on battery power supplies, but...
- Problems with Parellel LM 4780 GC, get -21V on outputs.
- LM3886 kit opinions?
- is this worth attempting?