Dating celestion speakers
Still, they are vintage amps requiring service and maintenance.
Speakers, tubes and caps needs to be replaced and these will affect the tone a lot.
Here is a video that gradually demonstrates the effects of some of the mods and tricks described here.
To see embedded text comments, go to video on Youtube.
Like all silverface amps, the Vibrolux Reverb was modified in the CBS periods to increase the clean headroom.
The Vibrolux Reverb has become a very popular amp since The Tone Quest Report published the article “Under 40 Watt of Whoop Ass“, awarding the VR as the most preferred low wattage Fender amp.
It was loaded with one Weber 10A150 and one Jensen C10q delivering together a decent, loud clean sound and with firm lows.
You can hear the sparkling tones coming from the Jensen C10q supported by the strong lower mids from the Weber.
Swapping speakers is the easiest and most effectful change you possibly can do to your amp.
Speakers The blackface and silverface Vibrolux came with several different production speakers; Blackface amps had Jensen C10q (1,25″), C10ns (1,5″) or Oxford 10L5 while the silverfaces could have Oxford 10L5 or CTS ceramic.
Having played all of these speakers our favorites are, not surprisingly, the Jensen and CTS speakers.
There was plenty of clean headroom with the stock “AB763” tube configuration (12AT7 phase inverter and GZ34 rectifier) for funky chords and stingin’ clean notes at volume between 3 and 4.
If we wanted to get more breakup from the amp for some raw blues tones and keep he same volume, we did the following: Playing the amp around volume 5 and 6 gives a raw, unfiltered texas blues tone out of the single 10″ Weber 10A150.