Positive Grid's new Spark Pearl – a limited version of their best-selling smart amplifier – delivers both brilliant looks and tones



Picture this. You've just come home from a long day at work. It's time to kick back, plug in, and let off some steam while playing your guitar.

How do you typically play for fun while at home? Lug out your half stack? Grab that tin-y sounding practice amp from the closet that you purchased 20 years ago?

With Spark Pearl, there's a way to practice, jam and record in style – right there in your living room – and sound great while doing it with access to an endless well of inspiring tones. Positive Grid's brilliantly limited version of one of the industry's most popular desktop amplifiers, Spark Pearl offers all of the same crowd-pleasing smart features of the original amp, like Smart Jam, Auto Chords, and access to over 10,000 tones.

Plus, with its snowy white tolex, gold piping and contrast-stitched custom strap, you'll proudly display it in your living room or home studio. (I mean, just look at that thing!) Spark Pearl is a Bluetooth speaker too, perfect for streaming your favorite tunes to liven up any social gathering.

On its own, Spark Pearl offers seven high-quality amp settings to choose from, including hi-gain, clean and crunch. These sounds can be customized further with bass, mid and treble tone stack controls, plus mod, delay and reverb effects. Users can also save up to four tones directly to the amp for later use.

However, Spark Pearl's inspiring tone creation capabilities go way beyond the amp itself. With the companion Spark app, players can access the same tone engine that put the original Spark on the map. Here, guitarists can craft tones virtually using 30 tube amps and 40 effects powered by Positive Grid's BIAS technology, for perfecting that signature tone of their favorite player or discovering a unique sound of their own. They can also share their sounds using Positive Grid's online ToneCloud, which is home to over 10,000 tones created by famous guitarists, session players, engineers and producers from around the world.

Most pieces of guitar gear are designed with one person in mind -- the guitarist. As a result, thousands of amps and pedals have suffered the fate of being banished to basements, home offices and other designated practice areas. With a compact design highlighted by custom white tolex and gold piping, Spark Pearl looks like it could be a piece of modern home décor just as much as a guitar amp. So whether you want to jam in your living room, bedroom, kitchen, or anywhere else in your house, take comfort knowing that you'll look good in the process - so much so that you'll finally not get yelled at for leaving your gear sitting out in the living room!

Watch Spark Pearl’s premiere here.

An extremely limited quantity will be available in late April, and customers can take advantage of special pricing for early orders. Learn more about Spark Pearl at www.positivegrid.com/spark-pearl/ and sign up to be notified when it's available for purchase.

Thanks to its Bigsby vibrato tail and mini-humbuckers, this guitar had to be special-ordered in 1968. It was a one-owner instrument before it arrived at Nashville Used & New Music this year.

With a Bigsby and mini-humbuckers, this special-order from 1968 is still special 53 years later.

Hey guitar ornithologists! Here's a rare bird for you: a 1968 Epiphone E360 TDV Riviera. According to shipping history, only 300 Riviera models left the factory that year, and, of those, only 19 had vibrato tailpieces. So feast your eyes!

I, too, covet this guitar, which carried a hefty-for-the-times price tag of $475 when it was new. Now, vintage Rivieras like this one go for about $4,000. (Out of my price range! LOL!) It's also from the era when Gibson and Epiphone parts were used to make both brands, which means it's got a little extra juice in its veins.

1968 Epiphone Riviera

The excellent condition of the original case and the guitar itself speaks to its history as a well-loved instrument. Only 300 Rivieras were made in 1968, and just 19 with Bigsbys.

Except for the closed-back Grover tuners, all of the parts on this classy sunburst E360 TDV are original, and so is its case. The mini-humbuckers and Bigsby tailpiece were options for the Riviera that first became available in 1967, which is why it needed to be special-ordered. Without those appointments, the guitar's price would have settled in closer to $400 at the time.

But before I talk about that, here's a story we heard when this guitar was brought into the shop by the wife and son of its deceased original owner. They explained that this Riviera was special-ordered from a music store in Indiana and used by their husband and father to play gigs from '68 through a good part of the 1970s. In 1975, while loading out of a heated club into Montana's sub-freezing outdoors, the finish immediately weather-checked due to the abrupt temperature change, leaving a striking pattern on the guitar's back that resembles the kind of finger painting Jack Frost does on icy windows. I think that pattern gives this vibey guitar even more character.

In the case of the Riviera and the ES-335, the major differences were in their tailpieces, pickups, and headstocks.

The Riviera began its original production run in 1962, as Epiphone's cheaper answer to Gibson's ES-335 and Epi's own Sheraton. The sunburst finish became standard in 1965, and the original run of Rivieras ended in '69. Famous players who've hefted Rivieras onstage and in the studio include Lenny Kravitz, Stevie Ray Vaughan, Lou Reed, Nick Valensi, and Noel Gallagher.

Now, let's get back to those parts. This month's '68 Riviera, serial number 521820, is among the guitars that collectors sometimes call "Gibson/Epiphones." Here's why: The Chicago Musical Instrument Company, also known as CMI, already owned Gibson when it purchased Epiphone—then Gibson's most direct competitor—in 1957. Along with the purchase came an abundance of unused Epiphone guitar parts, from the company's New York City plant, which were then blended with Gibson parts in Kalamazoo to complete new Epiphone instruments. The use of Gibson parts to make Epiphone guitars continued until 1969, when Epiphone production was moved overseas.

1968 Epiphone Riviera

With the production of Epiphone and Gibson models happening side-by-side in the '60s, sometimes the only difference between similar production guitars—like the Riviera and ES-335—was the headstock.

So, Gibsons and Epiphones of that period where literally made side by side, most often with the same materials, finishes, and construction. Sometimes the only real difference was the headstock. In the case of the Riviera and the ES-335, the major differences were in their tailpieces, pickups, and headstocks. Both guitars are semi-hollow with a solid maple center block and solid maple top. On our Riviera, there's binding on the sides and along the fretboard, which has parallelogram inlays. The neck on this Riviera is slimmer than most Gibson/Epiphones from this era that I've played and reminds me of early 1960s Fender Telecasters. This is not a complaint! I like that 24 3/4" scale. The control set is the usual four-dial setup. And with mini-humbuckers, this 6-string is not as dark as most Gibson ES-335s with regular humbuckers that I've played, so the low-mid tone is nicely defined.

Epiphone Riviera

In 1975, the owner of this guitar was loading out of a heated Montana club into sub-freezing temperatures, and the finish immediately weather-checked due to the abrupt temperature change, leaving a striking pattern on the guitar's back.

Let's talk about those mini-humbuckers. The minis that Epiphone created for their jazz/archtop series were introduced to other models once Gibson/CMI acquired the company. With a brighter and clearer sound—kind of between P-90s and humbuckers—this was a sweet option.

I'm a big fan of mini-humbuckers and love the tone they give this Riviera, which was clearly loved. The tobacco burst finish has aged well, and there's just a little wear where the headstock meets the neck from hanging in a cradle mount. That back-side body-finish checking might be a turnoff to cork-sniffers, but I think it really adds to the personality of this instrument. I love, love, love this guitar!

Learn to craft workable arrangements on the fly with these simple patterns.

Intermediate

Beginner

  • Understand the elements that go into a fingerstyle arrangement.
  • Develop your forward and backward banjo rolls.
  • Create space for vocalists as well as other instrumentalists.
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It's great to have polished songs memorized note-for-note and stored neatly in your gigging repertoire, but there's probably just as much value to being able to fly by the seat of your pants and pull an arrangement out of thin air. Knowing the building blocks of fingerstyle guitar is a great way to accomplish this.

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