Atomic AT-1A Owner's Manual
Specifications
• Operates anywhere in the world from 110250VAC
• Supplied with country-appropriate IEC mains
power cable and 4 pedal leads
• 4 x 12VDC isolated outputs @ 1250mA
completely eliminates earth loops
• One of the outputs can be configured to power
9VDC center negative pedals
• Short circuit/overload protection protects your
tube pedals
• Power requirements: 110 – 240VAC IEC 3 pin
connector
• Dimensions: width 7.5"; depth 4.8"; height 1.5"
• Weight: 1lb14oz (on Earth)
• Construction: Solid die-cast aluminum box
• Finish: titanium-silver powder coat
Serial #
Copyright © 2011 Effectrode Audiophile Pedals
ISOLATED POWER SUPPLY
Owner’s Manual
12 Broughton Crescent, Barlaston,
Staffs, UK. ST12 9DB
www.effectrode.com
AT-1A
Introduction
Thank you for purchasing the Atomic Isolated Power
Supply model AT-1A. The AT-1A is specially
designed to meet the demanding power
requirements of our tube effects pedals. Properly
designed tube pedals require much more power
than solid-state effects because of the tube heaters
and high voltage operation. To get an idea, take a
look at the size of the transformers inside a typical
vintage tube amp. The Atomic generates enough
amps to power up to 4 of our miniature triode tube
pedals without compromising tone quality.
Thank you for trusting Effectrode to be your effects
pedal company. We wish you many years of musical
enjoyment from this very special, hand-built unit.
Phil Taylor – Designer
Notes
When installing the Atomic, ensure adequate
ventilation around the enclosure and do not obscure
the ventilation holes. Effectrode miniature tube pedals
typically draw just over 1 amp (1000mA) each when
they have warmed up and this unit will also get warm
when powering several pedals. On power up, the
LEDs on the front panel will flash for a few seconds
while the tube heaters warm up. Current draw is
higher for tube pedals during initial start-up conditions,
as the heater filament resistance is lower when they
are cold. As the filament warms up, the resistance
increases and the tube heaters begin to glow orange.
It typically takes a few seconds or this to happen and
a further few seconds is required for the heater to
begin warming the cathode to the required
temperature.
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