The Portaflex is a line of amplifiers for electric guitars and bass guitars created by Ampeg and originally designed by Jess Oliver. Portaflex referred...

amplifier in history. By 1963, the Portaflex series business had grown to 44% of Ampeg's amplifier sales. In 1962, Ampeg introduced the plastic-bodied Baby...

exclusively uses Ampeg B-15 Portaflex combos. As reported to gearwire.com, Joannou uses an Ampeg SVT-2 into an Ampeg 810 cabinet and a new Ampeg B-15 combo...

B-15 may refer to: B15 (New York City bus), a New York City bus line Ampeg Portaflex B-15 bass amplifier, introduced in 1960 HLA-B15, an HLA-B serotype...

hands of private collectors. Over the years, Dunn played through an Ampeg Portaflex, or "Fliptop", B-15 combo (so named for its head that flipped over...

known as the vice-president of Ampeg and patent holder for many of Ampeg's most successful products, most notably the Portaflex B-15. Oliver grew up with an...

2022), he used the following amps: Ampeg Portaflex Roland JC-120 In the 2022-2023 Global Stadium Tour, he used Ampeg SVTs. Flea has displayed a wide variety...

ventilation port. In 1951, Ampeg introduced a 20-watt version with a 15-inch speaker. In 1960, they introduced the B-15 Portaflex, a flip-top 25-watt tube...

traded in his Ampeg electric upright "Baby Bass" for a Fender Precision Bass; in the early days his first bass amplifier was an Ampeg Portaflex B-15.[citation...

Revstar RS502 SPB guitar while Russell played a BB734A MTB bass with an Ampeg PortaFlex PF350 amp. The band recorded a promotional video for Yamaha that was...

Jess Oliver (Oliver Jsesperson) applied for the patent for the Ampeg B-15 Portaflex portable bass amplifier, which would become the most popular bass...