Vox AV15 Amplifier

© 1996 - 2023 The Vox Showroom, all rights reserved. No use on online auctions, eBay or Reverb.
Most guitarists prefer the tone and response of a tube amplifier.
However, as tube amps require a significant number of expensive components, they also carry a premium price.

Solid state guitar amps provide a lower priced alternative to a tube amp. Solid state circuitry is less costly to produce as it does not require a complement of expensive tubes or an output transformer. Solid state amps operate at lower circuit voltages, allowing a less complex power supply. Solid state amps often incorporate integrated circuits to reduce manufacturing costs and to simplify circuit design. The downside to solid state design is that most musicians prefer the tone of a tube amp.

The ultimate goal for a solid state amp is for it to sound as if it was equipped with tubes. Designers of solid state amps have followed several different approaches in the pursuit of tube tone.

Some manufacturers developed purely solid state circuits that were designed to emulate the response of a tube amp. Some examples include the Peavey "TransTube" and the Crate "FlexWave" series.

With their Valvestate and AVT Series amps, Marshall used a "hybrid" approach to obtaining tube tone in a solid state amp. These amps added a 12AX7 tube to the preamp stage. Vox followed a similar approach with their Cambridge 15 and Cambridge 30R combo amps.

In 2002, Vox introduced the Valvetronix "Blue" series amp line. It incorporated the innovative Vox "Valve Reactor" hybrid circuit. The Valve Reactor design moved the 12AX7 tube out of the preamp and into the power amp. When coupled to a small output transformer, the 12AX7 became a one watt tube powered power amp. The output from this Valve Reactor tube output stage was directed to a 60 watt solid state power amp section, simulating the tone and response of an all-tube power amp.

Subsequent Vox Valvetronix models made from 2004 through 2015 (AD Series, VT Series and VT+ Series) also used a 12AX7 as a driver for the output stage.

The AV Series was introduced by Vox in early 2016. The AV Series amps simulated the tone and response of an all-tube amp using a unique "dual hybrid" circuit.

The Vox AV15 was a single input, single channel amplifier with one 12AX7 tube. One half of the tube powered the preamp, the second half served as the driver for the 15 watt solid state power amplifier.

The multi-circuit preamp provided eight analog models for clean, crunch, overdrive, and high gain tones. These can further be tailored with the Bright, Fat, Bias and Reactor switches. Three analog voiced digital effects, chorus, delay and reverb were also included. An 8" Vox speaker was mounted in a closed back, sealed enclosure.

AV15 Specifications
  • Pre Amp Circuit: Single multi-circuit analog preamp, with presets for: Clean, Clean2, Crunch1, Crunch2, OD1, OD2, Hi Gain1 and Hi Gain2 tones
  • Tube: one 12AX7
  • Effects: Modulation, Delay, Reverb
  • Input/output Jacks: Input, foot switch, aux in, phones, FX loop, external speaker, aux in, phones
  • Power Amp Output: ~15W RMS @5 ohms
  • Speaker: VOX 8" 5 ohms
  • Dimensions (W x D x H): 17.72" x 9.21" x 14.84"
  • Weight: 16.98 lbs.
  • Optional Accessories : VFS2 foot switch

Official Vox AV Series amplifier promotional video clip used by permission of Vox Amplification

North Coast Music offers the optional foot switch and nameplates for AV15 Series amplifiers.


The VOX Showroom!

Photos and editorial content courtesy Gary Hahlbeck, North Coast Music

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URL: http://www.voxshowroom.com/uk/amp/av15.html