Diamond Amplification and Soldano Custom Amplification Team Up for the 327SD

The 327SD starts with Diamond’s tried-and-true, and very road-tested platform, along with their heralded clean channel.

Houston, TX (January 20, 2015) -- What happens when Ferrari and Lamborghini collaborate on a new sports car? You get the 327SD. In what may be unprecedented in the MI Industry, two custom amplifier manufacturers, Diamond Amplification (headed by Jeff Diamant) and Soldano Custom Amplification (headed by Mike Soldano), who are theoretically competitive in the marketplace, co-designed a high-end, USA-made guitar amplifier.

The 327SD is a truly collaborative product, starting with the name. Soldano (a notorious hot-rod lover and builder) penned the 327 portion of the name in honor of his favorite hot-rod engine. “SD” is a simple moniker for Soldano-Diamond. The amp itself is no less collaborative. The 327SD starts with Diamond’s tried-and-true, and very road-tested platform, along with their heralded clean channel. The output section of the amp switches from Diamond’s usual EL34 platform to Soldano’s traditional 5881 platform. Channel 2 (the gain channel) was a completely mutually developed channel. According to Jeff Diamant, “We wanted to do something in between Mike’s voicing and ours, which are both similar in ways, but both have very different, yet complimentary, tonal properties.” Diamant continued, “It needed to be related to the legendary SLO100, but with a modern thing happening too.” The circuit design of channel 2 was developed jointly by Diamant and Soldano.

“I was really intrigued about the idea of collaborating with Diamond on something. After nearly 3 decades of designing and building amps, I thought it would be great to have some fresh input and a fresh approach,” said Soldano. “If I was going to do something collaborative, I would only do it at this point with someone that does high-end, USA-Made product and does it well. Jeff came highly recommended and Diamond has a great reputation for modern and high gain voicings, so it seemed like a great fit, a great idea, and it was a lot of fun,” Soldano stated.

According to Jeff Diamant, “I was thrilled to work with Mike on this. A lot of what we do is inspired by him to begin with so the opportunity for me to work with him was a bit like a musician getting to record with his personal guitar hero.” Diamant continued, “Mike’s SLO100 is genuinely iconic. What we wanted to do was to preserve its overall feel and what’s great about it, but modernize it a bit. The result is harmonically rich, full, and a flavor I haven’t experienced before. It responds.” And according to both Diamant and Soldano, both are “very happy with the result.” And the build is nothing short of top-quality.

The 327SD has 2 independent channels (clean and crunch), each with their own tone controls. Master Volume and dialable “Deep” knob allow for even more tone alteration. Channel 2’s A/B control gives two voicing options, traditional to the Diamond line, and has a tube buffered effects loop. Black tolex covering and wrapped faceplate with US muscle car inspired silver racing stripes, metallic silver chassis, chrome accents and even a tachometer-inspired control set create distinctive hot-rod look. Powered by 4 x 5881’s and 6 x 12AX7’s, the 327SD boasts at least 100 watts of pure vacuum tube power. The 327SD will be a limited production run, with even a more limited version with silver tolex with black tolex racing stripes.

For more information:
Diamond Amplification

Rig Rundown: Adam Shoenfeld

Whether in the studio or on his solo gigs, the Nashville session-guitar star holds a lotta cards, with guitars and amps for everything he’s dealt.

Adam Shoenfeld has helped shape the tone of modern country guitar. How? Well, the Nashville-based session star, producer, and frontman has played on hundreds of albums and 45 No. 1 country hits, starting with Jason Aldean’s “Hicktown,” since 2005. Plus, he’s found time for several bands of his own as well as the first studio album under his own name, All the Birds Sing, which drops January 28.

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Diatonic sequences are powerful tools. Here’s how to use them wisely.



• Understand how to map out the neck in seven positions.
• Learn to combine legato and picking to create long phrases.
• Develop a smooth attack—even at high speeds.

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Knowing how to function in different keys is crucial to improvising in any context. One path to fretboard mastery is learning how to move through positions across the neck. Even something as simple as a three-note-per-string major scale can offer loads of options when it’s time to step up and rip. I’m going to outline seven technical sequences, each one focusing on a position of a diatonic major scale. This should provide a fun workout for the fingers and hopefully inspire a few licks of your own.
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