Series 90: V130 Powered Speaker Cabinet, V133 Preamp
1969 - 1971




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Features - Series 90 V130 Enclosure
Output Power 140 watts RMS, 280 watts peak
Speaker(s) Four Vox/Celestion Alnico 12" speakers
Two 25 watt Celestion (not Goodmans Midax) mid frequency horns with crossovers
Size (Speaker Cabinet) 40" H x 27" W x 11.5" D, ~125 pounds
Included Accessories cover, chrome roller stand






Features - Series 90 V133 Preamp
Output Power Preamp only, requires V130 or V131 Series 90 powered speaker cabinet for operation
Channel One Two inputs,
one volume,
one bass,
one treble

one variable distortion control
one top boost switch
reverb and tremolo selectable to Channel 1 or 2
Channel Two Two inputs,
one volume,
one bass,
one treble

one variable MRB control
reverb and tremolo selectable to Channel 1 or 2
Size (Head) 8" H x 22" W x 10.5" D, ~22 pounds
Accessories cover, head clamp, foot pedal

The Vox Series 90 amplifier series was introduced by the Vox division of the US based Thomas Organ Company in 1969. The Vox Series 90 amps were revolutionary in design and were the flagship models of the US Vox line from 1969 through 1971. Unlike most amplifiers, the power amplifier and power supply sections of the Series 90 amps were mounted inside the speaker cabinet. This made the control section, or "head" quite lightweight as it no longer needed to include a power transformer or power amp section.

In 1969, Thomas Organ produced a six page brochure introducing the Series 90 amp series. They also included Series 90 amps in their 1969 and 1970 catalogs.

The Series 90 line included two models of powered speakers: the V130 (4x12, two horns, 140 watts RMS, the cabinet shown at left) and the V131 (2x12, one horn, 70 watts). It also included two interchangeable preamp control sections: the V132 and V133 (the amp head shown at left).

The Series 90 amps replaced the Beatle and Royal Guardsman amps that Vox introduced three years earlier in 1966.

The V130 powered speaker cabinet had the same physical dimensions, speaker complement and chrome tubular trolley as the V4141 Beatle cabinet. The V131 Series 90 powered speaker cabinet was identical in size, speaker complement and used the same chrome tubular trolley as the V4131 Royal Guardsman cabinet.

The Beatle and Royal Guardsman cabinets included the Goodmans Midax horn but the Series 90 cabinets were equipped with a similar mid horn and driver manufactured by Celestion. Celestion also provided the 12" alnico "silver" speakers for the enclosures.

While the two channel V133 Series 90 amp preamp "head" shared most of the functions and features of the V1143 Beatle head, the V133 added variable distortion and a rotary sweepable MRB boost control. A cable with an eight pin "octal" plug interconnected the preamp to the powered speaker cabinet.

The V132 and V133 preamp "heads" could be used with either of the Series 90 powered speaker cabinets.

While revolutionary in design, Vox Series 90 amps never really achieved significant sales numbers. As the 1960's drew to a close, Thomas continued to design and build complex solid state amps such as the Series 90, but very few seemed to care. Guitarists like Jimi Hendrix, Eric Clapton and Pete Townshend were leading guitarists away from Vox and onward to the tube amp designs from such manufacturers as Marshall, Hi Watt and Orange. Thomas Organ failed to recognize and respond to these changes in the markeplace and lost virtually all of their market share by 1970. By mid 1971, Thomas Organ liquidated the entire inventory of Vox amps, organs and guitars at "fire sale" pricing and ceased Vox operations in the US.


North Coast Music offers many
replacement and restoration parts
for the Vox Series 90 V130 and V133
Some are shown below.

















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