All user reviews of 4/5 for the Vox Duel Overdrive

Dual tube overdrive channel with gain, volume and tone for each, the two channels being engageable foot.
Standard 9V power supply (watch this kind of pedal tube is sensitive to a good diet)
There is also a bass boost (which is not present on the Big Ben), at the beginning you wonder what is it and after you understand (see below).

Product no longer manufactured by Vox, as the whole series COOLTRON.
Vox indicates, however, have used the same circuit as the popular Big Ben duplicate: so I told myself it was worth the space for the shot to have 2 channels!

Yes because it is a fairly big pedal like all others in this series (equivalent to 2 Boss pedals side by side.

UTILIZATION

The use is excellent, the switcher can be two channels without problem. No need for manual for it.

SOUND QUALITY

Then he'll have me to be precise.
I compared it to the Big Ben, who is my overdrive reference. I really connected the two pedals to be sure to compare them with the same settings also.

Let me say first that the sound is very good on the Duel. It is very similar to that of Big Ben.

BUT, it's not exactly the same sound. There are (to my ears) a slight loss in severe Duel. Hence, I guess, the mystery of the button "bass boost"! Note that I have compared with the same lamp that I spent one pedal to another. (A gold pin 12AU7 EHX).
This proves in passing that in this kind of pedal lamp is not everything.

Sound Duel is very good.

So I would say to choose:
- If you use (like me) not too far a overdrive, crunchy, and want to keep it "pure", it is better to Big Ben (I actually sold my Duel)
- If you use a distortion and want to push two channels (1 + a solo drive for example), it is better to take the Duel that will manage to live without worry. For in this config "surge" will be heard unless the difference.

Please note the distinction between the two pedal is minimal. In my opinion live with a group means not tell the difference.

OVERALL OPINION

I did not keep it long, just long enough to compare it to my big ben (I would have kept the two if I could, but it takes up space where these beasts).

Again the sound is very good, but I think the best Big Ben keeps the original sound, although the distinction is subtle (group I think we not hear the difference).

Overdrive lamp 1x12AU7
IN / OUT 9V power supply input

UTILIZATION

Config simple, two identical channels with volume, gain and tone + a bass boost on both channels or on the 2nd.

SOUND QUALITY

I play with a les paul standard with a vox ac-15 and the overdrive is very warm, it quickly found "sound". It can range from mild crunch by pushing up the gain too aggressive crunch not far from the distortion when cranked. The volume difference between the pure sound of the amp and the sound of the pedal is correct and can do well to hear his solos. Cons by the bass boost is irrelevant it does nothing but breath and "crados" sound.

OVERALL OPINION

I use for 1 year. What I like most is obviously sound. What I like least is the small blue LED which is a bit too Tunning but hey, we will not chippoter for it!
Good value for money, I would do this choice.