Vox AC30CC1 a simple fault This Vox AC 30 model is a lightweight one speaker version and the speaker is a special light weight design. The amp circuitry is the same. Its big disadvantage is no lovely Alnico Blue speakers The owner reported the amp as sounding weak and intermittent. I played detective and asked a number of questions. When was the amp last used? It has not been used in a number of […]
Summary of this amp A lovely Fender Blackface Deluxe Reverb 1966 came to us. It was extremely noisy and the reverb was crackling and popping. It was a USA 110 volt AC model and so used a step down transformer to enable it to run in the UK on 230 voltsThe amp was all original apart from the power supply capacitors and the choke having been changed. It is very unusual ( at least to
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
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 TSL amps which cures this problem In addition to the bias drift issue in the DSL 50 and 100, TSL401 and
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
