diyAudio Forums Archive > Top > Amplifiers > Solid State Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 [19] 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72  Solid State - Showing threads 3601 to 3800 of 14307 available ▫ Help! 50w Class A or 150w Class AB debate ▫ 01-15-2007 05:01 AM - 12 replies ▫ Humming LW Erath Model 288 amp - filter caps (help!) ▫ 01-15-2007 03:30 AM - 7 replies ▫ Bypass caps on power supply ▫ 01-15-2007 01:23 AM - 55 replies ▫ Musical Fidelity B200 ▫ 01-14-2007 09:36 PM - 11 replies ▫ OPA 2134PA current draw: regulator? ▫ 01-14-2007 08:52 PM - 10 replies ▫ yamaha m-50 repair ▫ 01-14-2007 07:26 PM - 20 replies ▫ crown XS900 amp problem ▫ 01-14-2007 06:15 PM - 0 replies ▫ Problem with treble on NAD 3020B ▫ 01-14-2007 06:05 PM - 1 reply ▫ My small contribution ▫ 01-14-2007 06:05 PM - 15 replies ▫ Preamplifier Pcb ▫ 01-14-2007 04:13 PM - 4 replies ▫ mj 15003/4 on musical fidelity a100-x ▫ 01-14-2007 04:12 PM - 8 replies ▫ Marantz 1152 Schematic Diagram ▫ 01-14-2007 11:28 AM - 1 reply ▫ Fastest TO-3 Devices...? ▫ 01-14-2007 04:04 AM - 8 replies ▫ Crest CA-4 schematics - Anyone? ▫ 01-14-2007 02:01 AM - 0 replies ▫ Distorting Accuphase E-302 ▫ 01-13-2007 05:07 PM - 6 replies ▫ What's With These Inflated Power Ratings For PA Amps? ▫ 01-13-2007 02:18 PM - 16 replies ▫ 1:1 output transformer question ▫ 01-13-2007 11:18 AM - 31 replies ▫ fet amp design revamp ▫ 01-13-2007 06:49 AM - 2 replies ▫ Germanium transisors and gm ▫ 01-13-2007 02:38 AM - 3 replies ▫ NAD Model 120 tuner-amp ▫ 01-13-2007 02:01 AM - 0 replies ▫ Yamaha C-6 control amplifier ▫ 01-12-2007 10:20 PM - 3 replies ▫ A. Holton AV400 power amplifier ▫ 01-12-2007 09:40 PM - 42 replies ▫ Quasi or not Quasi - that is the question ▫ 01-12-2007 02:39 PM - 29 replies ▫ When an output inductor is needed??? ▫ 01-12-2007 02:06 PM - 9 replies ▫ Help! Encoder for DS1802 ▫ 01-12-2007 12:29 PM - 3 replies ▫ Setting Offset - Proper setup ▫ 01-11-2007 10:51 PM - 12 replies ▫ Inca Designs 75 power amp ▫ 01-11-2007 10:16 PM - 2 replies ▫ HPSA1000-R for Dayton HF15 midbass/dipole/line array ▫ 01-11-2007 05:52 PM - 1 reply ▫ marantz 2030 ▫ 01-11-2007 04:02 PM - 2 replies ▫ How to measure small inductance? ▫ 01-11-2007 01:48 PM - 21 replies ▫ Hfe PNP / NPN Distortion, Oscillation? ▫ 01-11-2007 01:15 PM - 15 replies ▫ Nakamichi PA-7E/ 80V DC Voltage of main Supply ▫ 01-11-2007 11:39 AM - 9 replies ▫ Need comments on amp design ▫ 01-11-2007 04:40 AM - 15 replies ▫ Loftech TS-1 schematic ▫ 01-11-2007 03:01 AM - 0 replies ▫ op amps for a preamp ▫ 01-11-2007 12:33 AM - 29 replies ▫ Choices of bias network ▫ 01-11-2007 12:19 AM - 15 replies ▫ Matching transistors - Measuring hfe ▫ 01-10-2007 08:38 PM - 118 replies ▫ unusual design of input stage ▫ 01-10-2007 07:39 PM - 18 replies ▫ My 50 Watt RMS design using Randy Slone's formulas ▫ 01-10-2007 07:28 PM - 18 replies ▫ Sub Amp Problems Thanks! ▫ 01-10-2007 03:45 PM - 2 replies ▫ cadsoft eagle 2 layer routing ▫ 01-10-2007 09:35 AM - 4 replies ▫ Accuphase Tone Control Needed ▫ 01-10-2007 06:27 AM - 0 replies ▫ NAD 3020 amp upgrades? ▫ 01-10-2007 04:50 AM - 58 replies ▫ Tda7294 blown in powered mixer ▫ 01-09-2007 08:21 PM - 5 replies ▫ Purpose for RC network on Feedback ▫ 01-09-2007 07:15 PM - 8 replies ▫ Sansui 6060 ▫ 01-09-2007 04:36 PM - 1 reply ▫ Filter Caps Going Bad? ▫ 01-09-2007 03:50 PM - 3 replies ▫ Suggestions on Balanced Bridge circuit ▫ 01-09-2007 01:08 PM - 5 replies ▫ schematic for Rotel RC-850 pre-amp? ▫ 01-09-2007 09:57 AM - 2 replies ▫ calculationg a heatsink for bjt's ▫ 01-09-2007 08:35 AM - 4 replies ▫ Price / performance sweet spots ▫ 01-09-2007 07:23 AM - 0 replies ▫ Soundcraftsmen Pre-amp ▫ 01-09-2007 04:28 AM - 2 replies ▫ Hafler "Trans Nova" P1500 ▫ 01-09-2007 12:32 AM - 25 replies ▫ Yet more BMM woes - anyone in the Netherland please help! ▫ 01-08-2007 03:57 PM - 10 replies ▫ Faulty Rotel-500 ▫ 01-08-2007 01:02 PM - 0 replies ▫ Jvc Ja-s77 ▫ 01-08-2007 09:23 AM - 0 replies ▫ Rotel RA820BX4 ▫ 01-08-2007 08:55 AM - 3 replies ▫ Softstart issue with Variac ▫ 01-08-2007 04:13 AM - 31 replies ▫ capacitors ▫ 01-08-2007 01:37 AM - 1 reply ▫ What is the power rating of the Peavey 300SC output BJT??? ▫ 01-08-2007 12:54 AM - 5 replies ▫ Sugden P128 ▫ 01-07-2007 10:47 PM - 5 replies ▫ using average oscillators for low distortion measurements ▫ 01-07-2007 08:55 PM - 9 replies ▫ Transistor Selection ▫ 01-07-2007 07:15 PM - 21 replies ▫ Yamaha M-4 Amplifier ▫ 01-07-2007 04:50 PM - 8 replies ▫ Swtpc Universal Tiger Improved And Simulation ▫ 01-07-2007 06:14 AM - 15 replies ▫ SPICE MODELS FOR SANKEN C2837, C3284, and comps ▫ 01-07-2007 04:26 AM - 0 replies ▫ Easy to find, inexpensive audio power transistors (BJT and FET)? ▫ 01-07-2007 04:18 AM - 35 replies ▫ Restoring 70's Kenwood integrated ▫ 01-07-2007 02:44 AM - 10 replies ▫ Crest 7001 schematics ▫ 01-06-2007 07:21 PM - 6 replies ▫ What is this diode for? ▫ 01-06-2007 01:37 PM - 15 replies ▫ Aem 6010 Preampifier. ▫ 01-06-2007 12:22 PM - 10 replies ▫ Luxman Amp Problem ▫ 01-06-2007 10:06 AM - 2 replies ▫ analog circuit for time-alignment? there's Bessel filters and what else? ▫ 01-06-2007 08:12 AM - 54 replies ▫ amp improvements ▫ 01-06-2007 07:56 AM - 0 replies ▫ AMP with inverting output stage mosfet ▫ 01-06-2007 05:47 AM - 112 replies ▫ esp p101 ▫ 01-06-2007 12:16 AM - 2 replies ▫ Perreaux PMF 2000 Schematic wanted ▫ 01-05-2007 11:54 PM - 0 replies ▫ AV recievers & analog inputs ▫ 01-05-2007 11:35 PM - 1 reply ▫ 50W amp ▫ 01-05-2007 07:04 PM - 64 replies ▫ Passive EMI shielding? ▫ 01-05-2007 05:29 PM - 5 replies ▫ ESP P3A problems ▫ 01-05-2007 04:09 PM - 31 replies ▫ Need help with this preamp circuit ▫ 01-05-2007 03:02 PM - 11 replies ▫ Isn't this like...wrong? ▫ 01-05-2007 06:41 AM - 11 replies ▫ toshiba libraries for orcad ▫ 01-05-2007 06:17 AM - 2 replies ▫ toroids ▫ 01-05-2007 03:45 AM - 8 replies ▫ Nakamichi Receiver 1 PA ▫ 01-05-2007 03:33 AM - 2 replies ▫ op amp gain, woofer compensation? ▫ 01-04-2007 08:48 PM - 6 replies ▫ Blown output transistors crest amp ▫ 01-04-2007 07:59 PM - 28 replies ▫ QSC Series Three 3500 ▫ 01-04-2007 06:41 PM - 4 replies ▫ ESP P101 vs FT15K what is the best? ▫ 01-04-2007 01:08 PM - 21 replies ▫ Rotel RA931 Amplifier ▫ 01-04-2007 12:18 PM - 14 replies ▫ Opamp Power Amp - Will it Work? ▫ 01-04-2007 10:20 AM - 41 replies ▫ Tube Sound from Solid State ▫ 01-04-2007 10:16 AM - 3 replies ▫ Using higher rated ouput transistors?? ▫ 01-04-2007 08:02 AM - 11 replies ▫ Jung's line drvr, use parallel AD811's? ▫ 01-04-2007 05:47 AM - 15 replies ▫ Question about amplifier output and woofer ▫ 01-04-2007 03:25 AM - 4 replies ▫ nad 302 pcb pic ▫ 01-04-2007 02:20 AM - 2 replies ▫ Does my perseverance pay off? ▫ 01-03-2007 07:04 PM - 7 replies ▫ ADCOM GFP 555II upgrade question ▫ 01-03-2007 04:06 PM - 6 replies ▫ musical fidelity b200 transformer ▫ 01-03-2007 11:04 AM - 0 replies ▫ ev 7100 transformer ▫ 01-03-2007 09:24 AM - 0 replies ▫ A question about voltage abnormal ▫ 01-03-2007 06:11 AM - 6 replies ▫ my amp design ▫ 01-03-2007 06:11 AM - 0 replies ▫ discrete op amp ▫ 01-03-2007 05:34 AM - 24 replies ▫ Help with Nippon Chemi-con 88D capacitors ▫ 01-03-2007 05:16 AM - 3 replies ▫ Reference DIY amplifiers ▫ 01-02-2007 05:23 PM - 121 replies ▫ how to match devices -help- ▫ 01-02-2007 01:50 PM - 11 replies ▫ Connected speaker wires from one amp into another... ▫ 01-02-2007 01:45 AM - 2 replies ▫ New Project 88 ▫ 01-01-2007 08:52 PM - 10 replies ▫ modify Velleman kit protection ▫ 01-01-2007 04:57 PM - 6 replies ▫ NAD 314 problem (fading channels) ▫ 01-01-2007 04:20 PM - 9 replies ▫ Cleaning Nople pot... ▫ 01-01-2007 03:59 PM - 6 replies ▫ defect thommessen Proteus 1.6 subwoover module ▫ 01-01-2007 02:24 PM - 2 replies ▫ Vintage Mcintosh MC250 help needed!! ▫ 01-01-2007 02:24 PM - 38 replies ▫ single mosfet output stage ? ▫ 01-01-2007 01:47 AM - 1 reply ▫ Rauland-Borg CCA300 ▫ 12-31-2006 08:31 PM - 2 replies ▫ Randy Slone's "Fig 11.4" (Self's "Blameless"?): PCB layout ▫ 12-31-2006 04:50 PM - 126 replies ▫ What is the optimum -3db bandwidth for amplifiers with feedback ? ▫ 12-31-2006 12:56 PM - 71 replies ▫ Hepl me! Nice amp but noisy ▫ 12-31-2006 05:35 AM - 44 replies ▫ testing super leach without a scope ▫ 12-31-2006 04:23 AM - 86 replies ▫ Heating the circuit? ▫ 12-31-2006 03:24 AM - 2 replies ▫ Naim recap ▫ 12-31-2006 03:09 AM - 5 replies ▫ carver m1.5t ▫ 12-30-2006 08:36 PM - 4 replies ▫ LWE Servo speakers ▫ 12-30-2006 05:43 PM - 1 reply ▫ pioneer A-119 ▫ 12-30-2006 03:16 PM - 0 replies ▫ Calculation ▫ 12-30-2006 01:00 PM - 5 replies ▫ Transformer stepup question ▫ 12-30-2006 11:53 AM - 1 reply ▫ Nad 304 repair ▫ 12-30-2006 11:19 AM - 0 replies ▫ schematic to choose ▫ 12-30-2006 08:13 AM - 11 replies ▫ Do we always need an emitter follower to drive a LATFET output stage??? ▫ 12-30-2006 12:40 AM - 6 replies ▫ Ashdown amp...No headphone jack ▫ 12-29-2006 08:29 PM - 2 replies ▫ Accuphase DP-55V ▫ 12-29-2006 11:16 AM - 0 replies ▫ TriAmping ▫ 12-29-2006 03:09 AM - 4 replies ▫ Harmon Kardon HK770 amp problem ▫ 12-29-2006 02:54 AM - 58 replies ▫ Ft15k mosfet paralleling ▫ 12-29-2006 12:39 AM - 10 replies ▫ marantz receiver ▫ 12-28-2006 09:56 PM - 12 replies ▫ Multisim simulator library ▫ 12-28-2006 05:41 PM - 1 reply ▫ dj amplifier ▫ 12-28-2006 09:54 AM - 1 reply ▫ Akai AM-2850 specs/info ▫ 12-28-2006 08:46 AM - 0 replies ▫ input filter for microphone preamp ▫ 12-28-2006 04:05 AM - 6 replies ▫ Locating transistors ▫ 12-28-2006 01:15 AM - 10 replies ▫ Hafler 220 screaming noise? ▫ 12-28-2006 01:07 AM - 21 replies ▫ Grounding with Multiple Power supplies question?? ▫ 12-27-2006 11:23 PM - 12 replies ▫ philips 22rh580 germanium amp ▫ 12-27-2006 10:55 PM - 10 replies ▫ Make up a laboratory from scratch. ▫ 12-27-2006 07:16 PM - 54 replies ▫ help with replacing my transistor on my Electrocompaniet ▫ 12-27-2006 07:00 PM - 8 replies ▫ JFET Ultra Wideband Preamp PCBs for Sale ▫ 12-27-2006 06:57 PM - 44 replies ▫ Adcom GFA-585 Problems/Explosions ▫ 12-27-2006 12:49 PM - 88 replies ▫ Working 2SK1058/2SJ162 Models for MultiSim? ▫ 12-27-2006 10:34 AM - 0 replies ▫ Pioneer SX-1980 Regulator Driving Me Insane! ▫ 12-27-2006 01:19 AM - 51 replies ▫ Has anyone used these gems? ▫ 12-26-2006 11:03 PM - 7 replies ▫ Mark levinson No.26 preamp Schematic ▫ 12-26-2006 09:34 PM - 2 replies ▫ Musical fidelity A2 schematics ▫ 12-26-2006 04:18 PM - 7 replies ▫ DIY headphone amps - Gilmore? ▫ 12-26-2006 02:50 PM - 1 reply ▫ Opamp front end examples ▫ 12-26-2006 11:24 AM - 13 replies ▫ My "new" AMC 2100 blew up lastnight after 30 minutes! HELP!! ▫ 12-25-2006 03:44 PM - 14 replies ▫ two bridges on one secondary ▫ 12-25-2006 01:18 PM - 10 replies ▫ Help to improve ▫ 12-25-2006 08:47 AM - 6 replies ▫ BiCMOS Bipolar+MOSFET better than MOSFET ▫ 12-25-2006 07:06 AM - 3 replies ▫ Need advice on capacitors for power supply bypass (Hafler P-500) ▫ 12-25-2006 12:48 AM - 6 replies ▫ hill dx 3000 ▫ 12-24-2006 09:22 PM - 1 reply ▫ Yamaha A-760 with "X Power supply" - Help! ▫ 12-24-2006 03:22 PM - 13 replies ▫ line amp ▫ 12-24-2006 05:22 AM - 5 replies ▫ Help - Getting loud 60hz hum when testing my passive high-level crossover ▫ 12-24-2006 03:48 AM - 3 replies ▫ C4689/a1804 ▫ 12-23-2006 09:15 PM - 5 replies ▫ Analog Devices and the "wayback" machine ▫ 12-23-2006 06:10 PM - 1 reply ▫ Transistor choice for P3A ▫ 12-23-2006 04:17 PM - 11 replies ▫ Adcom GFP-555II Schematic ▫ 12-23-2006 01:32 PM - 43 replies ▫ 500 WPC on 24v for $69 ▫ 12-23-2006 12:39 AM - 33 replies ▫ Designing amp to withstand shorted output ▫ 12-22-2006 07:47 PM - 27 replies ▫ Error in power amplifier schematic ▫ 12-22-2006 06:35 PM - 20 replies ▫ Mica Insulators ▫ 12-22-2006 05:28 PM - 5 replies ▫ Nakamichi PA-7 Power Transformer ▫ 12-22-2006 03:53 PM - 0 replies ▫ Nain NAP-180 Schematic ▫ 12-22-2006 02:37 PM - 0 replies ▫ Has anyone: unbalanced to balanced linestage /w BUF634? ▫ 12-22-2006 07:22 AM - 14 replies ▫ Nakamichi 400 Series Scheamtics??? ▫ 12-21-2006 03:58 PM - 5 replies ▫ My new baby amp ▫ 12-21-2006 08:19 AM - 16 replies ▫ Contact for Mr Jacco Vermeulen ▫ 12-21-2006 02:37 AM - 0 replies ▫ new thermal trak transistors ▫ 12-21-2006 02:31 AM - 31 replies ▫ Boulder's Jeff Nelson makes sense! ▫ 12-20-2006 07:54 PM - 4 replies ▫ What Size/Type of PS Bypass caps ▫ 12-20-2006 06:57 PM - 2 replies ▫ Graphic Equalizer design HELP needed ▫ 12-20-2006 05:49 PM - 4 replies ▫ Harmon Kardon 330B repair ▫ 12-20-2006 12:28 PM - 4 replies ▫ HARM-23, Jfet 100W 8ohm ▫ 12-20-2006 10:20 AM - 8 replies ▫ Insane frequency response!? Or just my mistake...? ▫ 12-20-2006 12:17 AM - 11 replies ▫ What companies make good semiconductors? ▫ 12-19-2006 09:36 PM - 11 replies ▫ Tone Stack Calculator or tsc ??????? ▫ 12-19-2006 09:21 PM - 9 replies ▫ Fixing old Sansui 5000a, fuse keeps blowing.... ▫ 12-19-2006 09:15 PM - 14 replies ▫ NAD 3020 amplifier volume problems ▫ 12-19-2006 08:15 PM - 7 replies ▫ how do you measure your in put singal to the poweramp???? ▫ 12-19-2006 03:20 PM - 12 replies ▫ Per-Anders MLD-01 to power cooling fans?? ▫ 12-19-2006 12:55 PM - 2 replies ▫ Feedback on this Amp ▫ 12-19-2006 05:08 AM - 4 replies ▫ Transistor HFE observations. ▫ 12-19-2006 03:19 AM - 35 replies ▫ AV400 Ready to Rock & Roll ▫ 12-18-2006 09:30 PM - 2 replies ▫ TI headphone amp with interesting possibilities ▫ 12-18-2006 02:09 AM - 31 replies ▫ Why collector/drain output stages are so rare??? ▫ 12-18-2006 01:08 AM - 40 replies ▫ how to isolate input ground? ▫ 12-17-2006 10:11 PM - 0 replies ▫ Yamaha A-750ii ▫ 12-17-2006 09:28 PM - 0 replies ▫ Marantz HDAM module ▫ 12-17-2006 06:47 PM - 7 replies ▫ jukebox amp, noise like a harley ? ▫ 12-17-2006 05:05 AM - 3 replies

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