View Full Version : Solid State
- Best 680uf / 250V capacitor
- Can anyone identify this IC package?
- Kenwood KA-907
- Looking for thread with the attached image
- help with warm up noise?
- Onkyo TX-SR607 repair
- PerfectA Mosfet Power Amp
- Fitting Big Capacitors in a QUAD 405
- Scrap amp
- Onkyo A-RV401
- Datasheets for Technics amplifier modules?
- Replacing old tube preamp on 1962 Magnavox
- High performance feedback for "Lowtech" amplifiers
- layout question
- HCA 1206
- Active highpass filter
- Martin Logan Dynamo 700 Plate Amp Issues
- Insane Hybrid Headphone Amp (IHHA)
- LME49830 PCB...
- Cambridge A500 help needed
- puzzled
- can I use a y-cable
- Help needed- slight noise after mod.
- BF871 and bf872 equivalent?
- Amplifier Issues....
- Schematic for Heathkit AR 1214
- Sansui G5700 Heat Problem
- audiolab 8000A ?
- i need service manual for soundcraft sa-1000
- Telos 390 clone PCB
- Yamaha A-720 amp and the loudness control
- Leak Delta 30 amp HELP!!
- 637 Amplifiers
- reducing thd
- Can anyone help with an old ETI magazine article ??
- One channel silent - until you increase the volume slightly - on two different amps!
- Single BJT amplifier ?
- A and T labs K6 amplifier
- EP4000 fan mod part number
- First Amp, where to start?
- adding ground wire to reduce periodic huming noise?
- Headphones as an ultimate reference
- Sony ta-fb940r humming after transformer replacement 5 connections on sec output ??
- help
- a complete amplifier
- Hartke 3500 Mosfet TA
- attenuator dB to reistance calculation
- Conn Organ Post Amp to Power Amp Question
- Maplin 1kw mosfet amp build thread
- Upgrade of a Technics A-800C MK2
- Questions about 400W mono amplfier
- this circuit will work?
- Current mirror using N-MOS 75N75
- DIY Project - Nytech CPA602 today ...
- Who has listened to the B&K 200.2 amp?
- Bryston 3BST operating conditions
- old amp need some help
- P3A problem - DC at output
- parasound hca 1000 blows fuses
- carver m1.5t ground hum
- High Power Zenquito PCB group buy?
- Online shop
- NJM4558 and clones - what is minimum supply voltage ?
- QUAD 405 main board fuse blow
- adjusting VBe
- Vertical MOSFETs for a PA amplifier OP
- Jvc RX709V Clicking
- Dx Super A - a module to be coupled to Dx amplifiers
- NAD C370 distorted sound on both channels
- Hafler 9505- Bias adjustment
- Lets talk about transconductance amplifiers
- Class A amp with fully symmetric design using only NPN output transistor
- JVC A-K100 Schematic
- Another Adcom Amp Question
- help with EV 7600 power amp
- Do you like listening to distortion?
- cyrus 2 repaint colour idea ??
- Denon AVR upgrades
- Powering an NCC200 frontend...
- Home made Cyrus PSX
- QUAD 606 MKI
- NJL4302/4281 Discontinued.
- Where can one buy the Leach Amplifier PCBs ?
- cyrus 3 amplifier cutting out
- Dx Turbo, the ultimate amplifier to be released before july 2013
- Dac 12v for car
- Proceed Amp troubleshooting / refurbish
- PTEC VI Power Amplifier
- troubleshooting old pionner GM-H100 :confused:
- I have a question with this amp
- Suggestions for mono block amplifier?
- HOW TO MAKE A PROPER AMPLIFIER
- PA Amplifier comparision
- All P-channel Regulator For TSSA Split Supply?
- Sherwood RV-8070R
- Power Amplifier
- Tekko dreams up another poweramp
- Help with a 6 channel board
- Recommended Speaker Protect Kits ???
- how to remove stains in your AMP
- DxXs - I am having ideas, things to play...the brain last neuronium is working hard
- QUAD 405 power off noise
- BC142/143 transistor replacement
- Problem with Biema FW900
- Tweeter Class A Amp
- DC offset
- Is 200W possible with simple topology ?
- Bypassing tone switch on Rotel RA-931 and RA-930AX
- Blown power filter cap
- Nytech ca252 help request!
- Monrio Asty Dual Mono Mosfet replacements
- Some more Wireless World articles archived
- Sanken 2SC2922/2SA1216
- LOUDSPEAKER PROTECTION
- Hafler P3000 -67V on output
- Opinions on a Concept
- Crowned
- Adcom GFA-555 Cap Question: 50V vs 63V
- Mark Levinson 333 output transistors
- ESP P27 PCB - Needs checking
- bridging amplifier with input transformers
- P3A-MORE UPGRADES
- only four stage AMP
- Which transistor is good one
- OPA2132P vs OPA2132PA WHAT'S THE DIFFERENCE?
- Power Supply ceramic caps burnt
- Crate PA head Oscillation at low volume
- Leak 2200 maintenance
- Biasing Hartke HA 7000
- Need help with IC connection
- Accidental Death of a DoZ...
- Elements between PCB-GND and Mains Earth in SolidState Power Amps - How to Calculate?
- power section pops like frying bacon
- Any idea at all how the AD8656 OPAMP compares to the AD8620?
- Repaired and tested LabGruppen 1000
- SONY Is it really true?
- Amplifier Simplicity and technology...
- Inverting stage not working...help!
- Luxman L100 repair
- DIY upgrading Meitner MTR-101
- should I buy this amp?
- 2 ohm with 100W class AB or D amplifier
- Ovation e-Amp is Completed
- metal film resistors
- Using power BJT's beyond their rated (but below their measured) Vceo?
- QED A 240 SA Restoration Project
- NAD 3240 PE Stereo Amplifier Blows Fuses Immediately
- Second attempt at Building my own amp from scratch
- Dx Disintegrated Circuit - Dx Dc
- Cairn Aria HE
- About to Replace Filter Capacitors with Different Type- Help Needed!
- What happens with bipolar Rbb as a function of collector current?
- would need more data on this amplifier
- New to DIY audio, and need some help
- Sansui AU-X517R repair and restoration
- LSK389 best working points?
- Big difference in amps - tag/rotel has me confused
- NEW MODEL > LG - ALLIEN
- Logitech Amp Reuse
- Panasonic FC caps for Class A amp power supply??
- DENON POA-6600
- Equivalent transistors
- NAD 906 silent
- Major modification design help needed
- HIFI 700W Subwoofer Mono Amplifier Board By 10 Pairs 1943/5200 Amp Board For Subwoofe
- Balanced to unbalanced schematic, is this one good?
- Altec 9440A how does it sound ?
- KSA-50S no sound problem- please help
- WSF and DMOSFET´s
- DC OFFSET AT ROTEL
- acurus amp bias
- Denon AVR-5805 firmware needed
- Amp not amping? o.O
- amplifier biasing help
- How to lower the gain of this headphone amp
- The EasyWay AMP
- Kenwood A-5S stereo amplidier
- can you hear the ringing?
- Phase Linear 4000 Series I Transistors
- Needed: Amplifier schematic, 4.5V to 9V supply
- Carver M-1.0t Repairs
- How much VAS current
- Cambridge Audio A1 MK3 SE repair (TDA1514 chips burned)
- Biasing EF output class B amps...
- Design for SS amplifier with OPT
- bridgin 2 channel amplifier with output transformer:Mcintosh style
- Technics SU-7100
- replacing TIP36C transistor with 2SC5200
- Transistor matching Questions; Again
- question about amplifier push|pull
- How Do You Perceive THD at HF?
- amplifier Kenwood A-5S
- power amp kit , L6 VS L7 VS QUAD 45
- Rate these Caps
- Aragon 24K sp PreAmp by Mondial Designs, possiblity for component/wiring upgrades?
- New guy with questions about Adcom 545 recap
- Help(tri-amping): Too much gain in my ATC power amp
- N-mos Power Amp , my project need some help , Thanks .
- Bridging a SS amp with a tuber inverter section
- Static in fender stage 1600
- STRANGE CAPACITOR
- sub woofer
- mixer and crosstalk
- clipping indicator
- The Top Three DIY Amplifiers
- The Keantoken Amplifier
- Simple Killer Amp, Aspen Amps, Aussie Amps
- quad 33 comments please
- Krell KSA-100S left channel getting hot
- bridging B5 yamaha amplifier
- Amp for Pod 2.0 & Zoom 9003 with TA8252H
- Faulty Yamaha DSP-A2070
- Mod: move if needed: amp without SS or tubes?
- Got a Yamaha AX-500U for $25.00
- 250W Simple Power Amp Project ??
- old school amplifier Pioneer GM4200 SQ
- Carver PM1.5 problem
- Simple amp circuit obsevations
- Some questions about Yamaha R-S700 receiver
- New home brew amp module
- ezDAC Site Back Up
- Use a Pioneer A400 as a Power Amplifier
- 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?