The AC30C2 "Custom Series"

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JMI Vox Style AC-30 Stand with Bent Pins - Available only at North Coast Music







Model Dimensions Weight Retail Price Street Price
AC30C2 27.4" x 10.4" x 21.25" 73 lbs. $1540.00 $1099.00

The AC30C2 replaced the AC30CC2 in January 2010. The AC-30C2 is produced by Vox in China and offered a number of significant changes from the AC-30CC2.

The AC-30C2 is a true two channel amp. Each channel has two inputs. The first channel incorporates the preamp circuitry from the original AC-30 "Normal" amp while the second channel featured the Vox AC-30 "Top Boost" circuit. Three ECC83 tubes power the preamp.

Line out and effects loop jacks were mounted in the upper rear panel.

The AC30C2 also has tremolo and a spring based reverb.

The GZ34 rectifier tube was dropped from the AC30C2 amp in favor of diode rectification. This was the first time since the early 1990's that the AC-30 did not have a GZ-34 tube rectifier.

The change away from tube rectification in the AC30C2 offended some Vox purists. Many feel that the audio compression from tube rectifier induced voltage sag is a central ingredient in AC-30 tone. However, the diminishing quality of GZ-34 rectifier tubes in recent years has become a real problem. The first tube to fail in an AC-30 amp is typically the GZ-34 rectifier tube. When it fails, it will blow the main fuse and shut the amp down. Eliminatiing the rectfier tube makes the amp more dependable.

The AC30C2 cabinet is completely constructed of MDF (medium density fiber board, or particle board). The AC30CC2, along with its predecessor, the AC-30TB , had 13 ply baltic birch plywood enclosures. Surprisingly, the AC-30C2 amp is only two pounds heavier than the AC30CC2.

North Coast Music offers a 13 ply baltic birch baffle board upgrade for the AC30C2 as an extra cost option.

Tube replacement no longers requires that the amp chassis be removed from the cabinet. Removing the upper rear back panel exposes three ECC83 and four EL-84 tubes for easy exchange (see photo at left).

Two 12" Celestion Greenback speakers are mounted in the open backed enclosure. Jacks for extension speakers, along with an impedance selector switch, are mounted on the upper back panel.



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Photos and editorial content courtesy Gary Hahlbeck, North Coast Music


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