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Verified Customer zZounds has verified that this reviewer made a purchase from us.

Just picked up a 2019 Marshall SV 20 used. It looks brand new, functioned and sounded ok.First thing I installed all new tubes. JJ ECC83S and Tung Sol. A BIG improvement over stock. This amp is self biasing, like Mesa. I am pushing 60 and have owned and played nearly everything there is. This is one sweetheart of a amp. It is a touch sensitive amp that is warm and full bodied with good headroom, yet very articulate, with excellent dynamics. Probably the best Marshall clean tone ever made by the boys across the pond. Chords have a breath and bloom quality. Sounds fantastic with my Gibson Les Paul Classic P-90. Its is the loudest 20 watts ever made. The 5 watt mode allows a little more drive on volume and is used at home, but it can get very loud with a lot of headroom if needed. I use the normal input on low gain and the EQ is around 12:00 on the knobs at home. If you rely on gain and distortion to play guitar, this is the wrong amp for you. At moderate levels it has almost none. You can play play fast on this amp straight in, hammers, pulls, etc, yet it is not even a overdriven sound. A quality overdrive in front and your in classic rock heaven. This where the amp shines and belongs. Only drawback to this entire amp is channel 1 is voiced too bright, not nice for sure, with all eq and presence down to 9:00 or less and bass up it can be done, but really....stay out of channel 1, PROBLEM SOLVED. Its a 1 channel amp anyway there is no footswith option. I never use effect loops on any amp because it ruins the amp tone, no comment on that. Forget all that jumping the channels BS, it's totally not needed and kills the tone. If playing in normal channel and jump it to the bright channel, it just gets brighter and louder, not better. it actually gets worse. Too much monkey see internet crap on that subject. BOTTOM LINE : This is a really nice sounding and playing amp that a professional will really enjoy owning. I am very happy with the SV 20 and this one is a keeper in my collection.

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Verified Customer zZounds has verified that this reviewer made a purchase from us.

Wow, I just bought this. I have had a lot of Marshall's over 42 years of playing and this smokes them all. This is the tone I have been looking for since the early 80's. First, This thing is LOUD!!! even on the 5 watt setting. You could absolutely gig with this especially if you bridge the channels. This Head, is clean with no pre-amp so you need a overdrive. I use a Ibanze Super Metal Pedal that I have had since 82. The tone, is like AC/DC and every other band from the 70's and 80's. It just punches you in the chest. It is very responsive and just blows every other amp I have ever owned away. It has a lot of bottom end, but it can be dialed back. You really just have to hear this thing. Just a great amp.

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Verified Customer zZounds has verified that this reviewer made a purchase from us.

Bright channel totally unusable until its in overdrive. Does not take pedals well in any input. Plug in the effects loop and poof!...... she's fried. The guys at zZounds were very good to correct the problem, great customer support from you guys.