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Ampeg SVT Heritage 50th Anniversary Bass Head

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25 YEARS OF GAK

The Ampeg SVT is more than just a bass amp—it sparked a revolution. When it debuted in 1969, deafening walls of full-stack guitar amps were eating bass players alive. Knowing that big bass volume required big power, Ampeg designed the most sophisticated amp of its day: the 300-watt SVT. Finally, balance returned to the stage and with it a generation of iconic bass-forward music was born. That singular Ampeg spirt of innovation and ingenuity is alive and well in the Ampeg Heritage 50th Anniversary SVT bass amp. Designed to honour the unrivalled SVT legacy, the Heritage 50th Anniversary SVT distills the legendary amp’s most celebrated circuits into a single stage-ready head with a host of must-have modern technology and elegant vintage aesthetics. It truly is the SVT for the 21st century.

  • The 1969 "Blue Line" and mid-1970s Magnavox-era circuits in one amp
  • Handmade in the U.S.A. from durable top-shelf components
  • Detailed, period-correct graphics and fonts
  • Modern features include a newly enhanced XLR DI output, user biasing, speakOn outputs, and spring-loaded side handles
  • Specially sourced and matched Ampeg Super ValveTM 6550 tubes
  • Not a reissue—the ultimate SVT for today

You asked for it...

From well-informed amateurs to elite professionals, no amp enjoys as passionate a fan base as the Ampeg SVT. For this new SVT, Ampeg surveyed its loyal customers to ensure that the design met and surpassed their wishlist. While each generation of the SVT has its faithful, Ampeg designed the Heritage 50th Anniversary SVT to satisfy even the most discerning SVT aficionados. It's the SVT everyone has been asking for.

Three in one: The Heritage 50th Anniversary SVT offers two discrete preamp channels that duplicate the revered tone from the amp’s most desirable eras: the original 1969 “Blue Line” SVT and the mid-70s Magnavox design. Even better: players can jump the two channels together for an even more aggressive all-new sound. To make sure the new SVT delivers all this titanic tone reliably, Ampeg supplies a sextet of specially sourced and matched Ampeg Super Valve 6550 tubes.

Modern features: While Bill Hughes and Roger Cox got so much right with the original 1969 "Super Valve Technology" (SVT) amp, contemporary players expect their amps to offer features that hadn’t been invented back then. That's why the Heritage 50th Anniversary SVT offers a suite of functional enhancements like a newly enhanced balanced XLR DI output, simple user-biasing, a whisper-quiet fan to promote tube life, and a robust Neutrik speakOn jack for connection to any modern speaker cabinet. Perhaps most important to Ampeg customers, the Heritage 50th Anniversary SVT is handmade in the U.S.A. from durable top-shelf components—it’s as American as Rock & Roll.

Period-correct: Few amps look the part like an original "Blue Line" SVT, with its engraved blue text and lines that surround the tone controls and input jacks. Ampeg went to great lengths to ensure the Heritage 50th Anniversary head had that instant-vintage wow-factor. Collectors and players alike will love the etched Blue Line graphics and text with pitch-perfect period detail and spot-on spring-loaded side handles.

Ideal cabinets:

  • Heritage HSVT-810E (with available 810AV grille)
  • Classic SVT-810AV
  • Classic SVT-212AV
  • Classic SVT-112AV

  • Preamp Tubes: Premium JJ (5 x 12AX7)
  • Driver Tubes: Premium JJ (1 x 12AX7, 2 x 12AU7)
  • Power Amp Tubes: Ampeg Super Valve (6 x 6550)
  • Output Power Rating: 300W RMS minimum continuous @ <5% THD into @ 2 or 4
  • Signal-to-Noise Ratio: (20 Hz – 20 kHz) 75 75 dB (20 Hz - 20 kHz)
  • Maximum Gain: 78 dB @ 1 kHz –3 dB @ 20 Hz & 15 kHz
  • Tone Controls
  • Channel One: Voiced after original 1969 "Blue Line" SVT (jumpable)
  • Channel Two: Voiced after mid 70's Magnavox era SVT (jumpable)
  • Bass: +12/-12 dB @ 40 Hz
  • Midrange: +10/-20 dB @ 220 Hz, 450 Hz, 800 Hz, 1.6 kHz, or 3 kHz
  • Treble: +15/–20 dB @ 4 kHz
  • Ultra Lo: +2 dB @ 40 Hz, -10 dB @ 500 Hz
  • Ultra Hi: +9 dB @ 8 kHz

No upgrades available

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