Getting that Superb Fender Tone Blackface and Silverface Fender amps were renowned for their clean sounds which moved to nice gentle bluesy break up when pushed hard. How did they achieve this? Fender chose their valves/tubes carefully to produce this wonderful palette of sounds that players just love. If you are country or blues player you are in heaven with these old amps. They command high prices for good ones especially from 1963- 73. […]
A Marshall JPM 50 arrives in the workshop. This blog covers this Marshall JPM50 Re-Commission. This Marshall JPM50 Amp is from the classic era of pre-1973 Marshall amps. It is therefore highly desirable when fully operational. The Marshall JTM50 on its last period of production, was re-branded as the Marshall JPM50. The amp went though final test at Marshall on 13th June. 1972. This is the highly desirable lead model from one of the
Note: We now have a new, superior solution to Marshall JCM2000 hum, noise, and bias drift issues. Find the details here.  Marshall JCM2000 DSL100 Hum after warmup fix  There are a couple of key problems with the Marshall DSL can TSL series printed circuit boards.  One is the drifting bias due to board leaking current.  This causes the EL34 output valves to overheat,We sell  Stable bias board kits for  the DSL and the
Folks ask me about how to make a 100 watt amp less loud. They want the amp “singing” but they need to have the output valves starting to clip and this means LOUD. Usually they are amps with outputs north of 60 watts. Exceptions are Vox AC30’s which are 30 watts. The discussion here is focused on amps that four or more output valves. First thing to keep in mind is that a 100 watt
180 day warranty on valves ! If you in North America substitute the word valves for tubes ! We have looked at many websites that sell valves/tubes and we found that the warranty was mentioned nowhere on the site or buried on the website. The warranty was in many cases very stingy. We now offer a 180 day warranty on all the valves we sell. We are completely upfront and you will see the
Most folks are just not sure when should you change your valves? Valves do wear out. How do I know? We need explanation of how they wear out and what to look for. Then you will know when to replace them There is a lot of stuff written on forums on why tubes valves wear out. There is a lot of confusion. Here is an example of the confusion on one typical forum . I