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| Topics | Replies | Author | Views | Last Posts | ||
|---|---|---|---|---|---|---|
 | Switch from 5AR4 to 5U4 Rectifier | 10 | BryceJ | 1994 |  Mon Jun 27, 2022 3:50 pmby Tubes4ever | |
| Zero Bias all 4 tubes and no output to speakers | 6 | eminence1963 | 1116 | Sat Jun 25, 2022 2:15 am by Gabriel | |
| Found a nice external VU meter (and more) | 0 | jasn54 | 914 | Thu Jun 23, 2022 7:45 pm by jasn54 | |
 | VTA ST120 Bias Adjustment 1, 2, 3 | 56 | guentherj2 | 11278 | Sun Jun 19, 2022 10:04 pm by jvinhj240 | |
| VTA SP12 and PH12 Build Thread 1, 2, ... , 5, 6 | 144 | edgobb | 12619 | Mon Jun 06, 2022 9:04 pm by Roy Mottram | |
| VTA-ST120 - speaker terminals question | 2 | alexbramford | 561 | Thu Jun 02, 2022 2:17 am by alexbramford | |
| 78 RPM Record Phono Pre-Amp EQ Selection Advice Wanted | 7 | jwb474 | 732 | Thu May 26, 2022 7:40 am by jwb474 | |
| Does Anyone Recognize This PC-3 Driver Board From Audio Sound Lab? | 8 | davidmac5 | 1538 | Mon May 23, 2022 1:36 am by Buckoff | |
| VTA ST-120, Power Tube Redplate, Bias reading 25v!? | 10 | ChetJettison | 1260 | Thu May 19, 2022 2:05 am by ChetJettison | |
| KT88 vs 6550 | 9 | Greg_M | 13421 | Sat May 14, 2022 7:03 pm by Jim McShane | |
| 6550 replacing KT66 in VTA ST-70 | 10 | Brap | 1837 | Sat May 14, 2022 6:11 pm by truebluephil | |
| PAS 3 Power Supply | 9 | harris | 1845 | Wed May 11, 2022 12:19 pm by harris | |
| looking for help Dynaco st 70 | 2 | pattirules | 733 | Mon May 09, 2022 3:27 pm by lorne | |
| ST-70: About the Increased Capacitance in Film Caps on the PC-3 Board | 4 | lorne | 992 | Mon May 09, 2022 3:12 pm by lorne | |
| Thanks to Bob and Roy | 0 | quadaptor | 570 | Sat May 07, 2022 6:25 pm by quadaptor | |
| Help with mkiii restoration | 6 | NewDIYGuy | 846 | Fri May 06, 2022 3:50 pm by Seamus | |
| Pre-Amp Boost | 7 | penguinpages | 764 | Fri May 06, 2022 1:56 pm by Brap | |
| TUBES available | 1 | Roy Mottram | 889 | Thu May 05, 2022 2:32 pm by Brap | |
| PAS3 blend switch anyone ? | 10 | peterh | 1170 | Tue May 03, 2022 8:14 am by peterh | |
| Losing Focus: A First-World Problem. | 4 | Chris A | 1068 | Mon May 02, 2022 4:01 pm by Wotan | |
| Splicing and soldering | 5 | Jlskey | 664 | Sun May 01, 2022 7:51 pm by rebellovw | |
| PAS-revisted | 0 | setu | 534 | Thu Apr 28, 2022 10:39 pm by setu | |
| Dust Cover for ST-120 | 6 | ThatSoundsGood | 797 | Thu Apr 28, 2022 3:35 am by BryceJ | |
| VTA ST 120 needs surgery! 1, 2 | 29 | Jlskey | 1588 | Sun Apr 24, 2022 11:02 pm by Jlskey | |
| 6550WE Turned bright red on my ST-120 | 2 | sandeep dutta | 466 | Fri Apr 22, 2022 6:23 am by peterh | |
| Best way to wire an ST70 with Input Attenuator and Input Modifications | 3 | mrb5217 | 956 | Thu Apr 21, 2022 2:30 pm by Bob Latino | |
| What's everyone using for hook up wire-SP14 | 3 | j4570 | 803 | Wed Apr 20, 2022 1:44 pm by Guest | |
| WS1 SS Rectifier (w/Thermistor) blowing fuse upon immediate start up.... | 5 | rebellovw | 799 | Mon Apr 18, 2022 3:09 am by Tubes4ever | |
| Gold Lion KT88 vs Tung-Sol 6550 vs Tung-Sol KT120 for use with ST120? 1, 2 | 25 | ChetJettison | 9328 | Sun Apr 17, 2022 3:48 pm by Gabriel | |
| VTA M-125 build on line | 5 | jbirdlebough | 1300 | Fri Apr 15, 2022 5:15 pm by rebellovw | |
| Low Volume On One Amp of Pair (MKIII) | 6 | snip73 | 583 | Fri Apr 15, 2022 7:44 am by peterh | |
| Wisconsin Forum Members | 0 | jaykunstman | 414 | Thu Apr 14, 2022 11:06 pm by jaykunstman | |
| MKIII Bias at 1.7v | 5 | snip73 | 818 | Wed Apr 13, 2022 4:35 pm by snip73 | |
| Earth connection point for an IEC mains power connector. | 1 | Gabriel | 574 | Tue Apr 12, 2022 11:42 am by mijohn | |
| FM-3; Looking for a solution. | 4 | 2turbos | 566 | Tue Apr 12, 2022 1:44 am by ericoto | |
| A good deal on a Stahl STSSVT soldering station | 1 | Bob Latino | 869 | Fri Apr 08, 2022 6:05 pm by buchela | |
| ST70 Line Voltage? 1, 2 | 30 | raudio44 | 2048 | Fri Apr 08, 2022 5:53 pm by raudio44 | |
| Bob Latino's VTA ST-120 Label Badge Chocolate Brown on Brass :-) | 19 | Tom Pickett | 1479 | Wed Apr 06, 2022 10:05 pm by Bob Latino | |
| Hi, new to me ST-70 .. a question | 7 | mattnew | 1374 | Tue Apr 05, 2022 6:18 pm by Solder Slinger | |
| It's Not Just Electro-Harmonix, Our Hobby in Standstill | 6 | jwb474 | 1058 | Sat Apr 02, 2022 11:57 pm by Tubes4ever | |
| DYNA kIT st-70 -- OLD MODS -- Audio amatuer 1976 | 2 | DYNAblow86 | 727 | Sat Apr 02, 2022 11:32 pm by steve46 | |
| FS: New Raw Printed Circuit Boards for the M125 monoblock | 0 | ron12n33 | 410 | Sat Apr 02, 2022 6:05 pm by ron12n33 | |
| VTA ST70 Review | 1 | ltusler | 873 | Sat Apr 02, 2022 5:43 am by Roy Mottram | |
| mk3 distortion and low volume | 1 | pittsburghpaints | 338 | Fri Apr 01, 2022 8:31 am by peterh | |
| ST-70 Early driver board installation instructions needed | 0 | fxbill1 | 467 | Fri Apr 01, 2022 2:05 am by fxbill1 | |
| ST-70 Bad Output Trans? | 0 | rudes | 483 | Fri Apr 01, 2022 12:27 am by rudes | |
| ST-70 Bias Drift | 2 | justin_122 | 916 | Thu Mar 31, 2022 3:16 am by Roy Mottram | |
| Hi, I am looking for someone to test some tubes . | 0 | Caps poor | 322 | Thu Mar 31, 2022 1:25 am by Caps poor | |
| The Western Electric plant in Rossville, GA USA will be starting to make tubes again. | 8 | Bob Latino | 1167 | Wed Mar 30, 2022 3:16 am by Gabriel | |
| Custom Built Dynaco MK III - Bias Question | 7 | scuba100 | 1088 | Mon Mar 28, 2022 1:38 am by scuba100 |
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