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more... GearAmpsGear BlogTone TipsMarch 2012

Covering The Tonal Bases Part 2: Amps

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Covering The Tonal Bases Part 2: Amps


Top to bottom: The Mesa/ Boogie Trans-Atlantic 15, Bad Cat Lil’ 15, 1966 Ampeg B15-N, and Soldano Astroverb 16 offer a wide variety of tones for different applications. Photo by Paul “TFO” Allen
One year ago, my column [“Covering The Tonal Bases,” March 2011] focused solely on guitars. A year later, I am continuing the exploration of the sonic palette—this time focusing on amplifiers. Like most guitarists, I own several different amps. That way, depending on the style of music I’m playing on the road, I can achieve the different sounds I need.

Mesa/Boogie TA-15
Most amps do one particular sound extremely well and the rest of the tones are usually just okay or downright bad. I think it’s a big part of the reason that many guitarists own a bunch of different amps. The TransAtlantic TA-15 from Mesa Engineering is the screaming exception to this idea. In the same way a champion triathlete is effective on wheels, on foot, or in the water, the TA-15 is a workhorse in just about any musical context. Between the amp’s two channels, I can obtain a lot of classic tones.

For a ’65 Deluxe Reverb kind of sound, I’ll set the TA-15’s green channel to 15-watt mode and switch to the “normal” setting. I then move the volume and treble to 1 o’clock, and set the bass and master to 2 o’clock. To get a Vox AC-15 vibe happening, I’ll use the same settings just mentioned, except I switch to the “top boost” setting and knock the treble back to 10 o’clock.

When I need high-gain tones, I simply flip over to the red channel. I can get to a tone resembling a late ’60s, 50-watt Plexi on the red channel with the 15-watt setting and dimming the master and bass. From there, I set the treble to 2 o’clock and the gain to 10 o’clock. If I need something more modern sounding, I’ll utilize the 25-watt mode and switch the red channel into the “HI 2” setting. I also boost the gain to 3 o’clock and add a little more treble than I use for the Plexi-type tone.

Bad Cat Lil’ 15
Many of us Nashville guitarists use the word “spongy” to describe the tone that lives right where an amp begins to breakup between its clean and overdriven sounds. Listen to “Days Go By” by Keith Urban if you want to hear what I’m talking about. When I need to get that spongy tone, my Bad Cat Lil’ 15 is usually the first place I start. It’s a 1-channel amp that is sonically similar to Bad Cat’s Black Cat and is perfect for getting those rockin’ “in-between” sounds.

The other tonal zip code this amp can deliver is the gritty, Jimmy Page sound that can be heard on Led Zeppelin’s “Heartbreaker.” The setting of the cut knob is the key to getting a clear sound out of this amp and its placement is heavily dictated by which guitar I am playing.

1966 Ampeg B-15 N
Have you ever picked up a strange guitar and found all the tones to be weak and anemic sounding? Whenever I encounter a guitar with this thin-type quality, I usually pair it with my B-15 N to add some bulk and muscle to the instrument’s sound. The B-15 N is a really good amp for trimming out those unwanted frequencies that bulge out from certain instruments. For example, the ringy trebles of 12-string guitars can often overpower the rest of the frequencies, resulting in a lack of fullness to my ear. To achieve a great, even sound with a 12-string instrument, I’ll run it into a B-15 N with the treble set at 2 o’clock and the bass at 10 o’clock.

An interesting thing about my Ampeg B-15 N is that it has three inputs. When I need to dial-up some aggressive overdriven tones, I’ll join channels 1 and 2 with a patch cable and plug my guitar into the second input of channel 1. This allows me to take advantage of all six of the amp’s control knobs. I set the volume knobs to around 3 o’clock and cut the bass way down on both channels. Most of the time, I’ll set the treble pretty high on one channel and position the amp’s other treble knob to noon. This adds a bit more dimension to the sound than setting both trebles to the same position.

Soldano Astroverb 16 This is the most unique amp of the bunch. After I’ve tracked a heap of different guitar parts for a song, it sometimes becomes difficult to get a new guitar part to poke out and speak through the existing parts. When this happens, I plug into my Astroverb 16 and my problem evaporates. This amp truly has it’s own original character, making it hard to lump it into the typical Fender or Marshall comparisons that are often used when discussing amplifiers. The Astroverb 16 is a great amp for power-chord-driven rock and for solos. And the amp’s reverb is excellent for Santana-like leads when paired with a gain-saturated setting.

You can get plenty of amps to resemble the sound of other amps—it just depends how hard you want to work with pedal combinations and speaker options. I find that it’s best to use an amp for that one, killer sound that it excels at producing. Asking an amp to be something that it’s not will usually lead to frustration. Just be sure to do your due diligence by researching and testing the many amplifier options until you find that one that best suits the job you need it to do.


Paul “TFO” Allen is a multi-instrumentalist who has worked with Big & Rich, Sebastian Bach, 112, Jake Owen, Montgomery Gentry, Larry the Cable Guy, and many others. He also has his own project called Ten Finger Orchestra, and can be reached at tenfingerorchestra@yahoo.com.
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