| This great little amp combines the two
archetypal Vox amp tones (the 1958 EF86 preamp channel and the 1963 Top Boost channel) at
a respectable output level of 15 watts and a manageable size and weight. While it's certainly a vintage styled and voiced Vox amplifier, it has the
added benefit of a few extra ways to tweak the EF86 channel and a switchable 15W/7.5W
output leve, making it very flexible.
With its modern tone-shaping control enhancements, you've got
one of the finest VOX amplifiers in the company's 50 year history. And when teamed with
its single 12" Celestion Alnico 'Blue' equipped speaker cab, you have a combination
capable of producing guitar tone guaranteed to give you goose bumps.
From the Vox website:
The AC15H Head & Cab: A detailed look. The 15-watt AC15 Hand-wired
head features two channels of unmistakable VOX tone driving a single 12” Celestion
Alnico “Blue” speaker housed in a separate, matching speaker cab. The valve complement
is made up of 1 x EF86, 3 x ECC83/12AX7, 2 x EL84, and 1 x EZ81 (rectifier).
Channel 1 is the EF86 Preamp channel, and
features two inputs wired in the traditional way providing a 6dB gain difference between
them. A two-position BASS SHIFT switch is included, with position 1 voiced to the original
vintage-correct bass response and position 2 voiced to tighten the bass response and
reduce any muddiness during high volume use. The three-position BRILLIANCE SWITCH provides
flat response when in the OFF position. Position 1 is a new position voiced like the early
AC30 “Treble” amps, while position 2 is the original brilliance circuit, which acts as
a dramatic bass cut. The EF86 Mode switch re-configures the EF86 valve from Pentode mode
to Triode mode. Triode mode will give a lower gain tone with higher headroom. Pentode mode
is the famed original mode and has a very sweet high gain tone with less headroom.
Channel 2 is the Top Boost Preamp channel.
Like Channel 1, this channel includes two inputs wired with a 6dB gain difference between
them. The Treble and Bass controls are from the 1963 Top Boost circuit and are extremely
interactive. Very minor adjustments of these controls can yield dramatic changes in tone
colour. And true to VOX form is the Top Cut control, which cuts high from either channel
end as it's turned up.
Flexible power. The O/P Switch adds even
more flexibility to the AC15. This switch changes the power output valves from Pentode
Mode, which is the normal operating mode of the power amplifier, to Triode Mode which
halves the power output to 7.5 watts and at the same time offering smoother tonal
characteristics.
The finishing touches. Great care and
research went into the cosmetics for this special amplifier which perfectly blends
authentic vintage styling with contemporary attributes. These touches include vintage “TV
Front” cabinetry, pre-1960 logo placement, and vintage-inspired cream vinyl covering. |