due to the ability to supply sufficient in-rush c u r r en t to ensure
a clean start-up. Some low current supplies wil l intermittently
shut-down due to protection circuitry, which results in an
audible relay "flutter".
It's unnecessary to remove the battery when using an external
supply. There is no risk of damage to either the battery,
supply or pedal. However, as is the case with al l battery
powered goods, old batteries are prone to leaking and so
should not be left installed for prolonged periods of time.
Output Connections
The standard Cali76 features a single medium-impedanc e
output. This can be used to connect the pedal to an y high-
impedance input, such as the input of a guitar/bass amplifier.
In contrast, the transformer-enabled pedal offers two ultra-
low-impedance outputs.
The "AMPLIFIER" output provides an unbalanced signal
referenced to ground. This is ideal for connecting to your
guitar/bass amplifier.
The "LINE/DI" output provides a fu l l y balanced signal via a
TRS output socket, and can be used to connect to recording
consoles, mixers, sound-cards, m ic -p rea mpl i fi er s etc... Please
note that output signal level does not conform to the +4dBm
professional studio convention, and s o some additional
amplification may be required.
The "PAD" switch can be used to drop the sign al by ar ou n d
28dB, and this should give the user enough range to be able to
plug into both line-level, and mic-level inputs.
The "GND" switch (ground-lift) can be used to cure annoying
hums and other ground-loop-related issues.
Usefully, the "LIN E/ D I" output can be used to feed the input
of a second guitar/bass amplifier by simply using a standard
mono guitar lead. The ground-lift function is a must here as it
will dispense with the ground-loop related hum normally
generated when "Y-connecting" amplifier inputs (especially
true when connecting the inputs of high-gain amplifiers).
Headroom Adjustments: "GAIN" Switch
This switch changes the gain of the output ampli fi er (i.e. the
amplifier driving the primary of the output transformer).
The "LOW" setting is the "stock/normal" setting. U s in g the
"HIGH" setting boosts the internal gain by around 9dB.
The "LOW" setting is clean and dynamic. However, when
using the "HIGH" setting, you'll notice that the output-
amplifier and transformer begin to run out of headroom.
Overall the sound is richer in harmonics, becoming "edgy"
sounding and ultimately clipping!
The change in gain c an be clearly heard when using the
"LINE/DI" outputs. Using the "GAIN" switch will therefore
require small level-adjustments to be made on a ny connected
mixing consoles etc...
In contrast, the "AMPLIFIER" output remains at a consistent
level, due to a variable pass i ve-atten u ator network that
perfectly counter-acts the level-shifting effects of t he "GAIN"
switch. T h i s allows you to mon it or the shi fti n g tonal-effects
through your guitar/bass rig, without having to tweak your
amplifier's volume control.
Transformer Options
The Cali76-TX is available with a choice of two transformers.
An iron -c or e transformer is fitted as standard. The core is
designed to subtly saturate at high levels.
A studio-grade transformer, manufactured by Lundahl, offers
greater linearity and flatter phase response. Often the
preferred choice for studio-use.
About Origin Effects
Origin Effects is the brainchild of Si m on Keats, a guitarist,
electronic engin eer and analogue circuit designer who has
worked for the likes of Vox, Focusrite and Trident Audio.
Having built bespoke effects for professional musicians and
producers for many years, he launched the Origin Effects
brand in 2012 to bring his excepti ona l designs to a wider
audience.
His first two pedals - the 1176-inspired Cali76 compressor and
the unique SlideRIG, whic h chains two 1176-style compressors
together for near-infinite clean sustain - have been widely
recognised as the best pedal compressors ever made. Users
range from guitaris ts and bass players like David Gilmour,
Pino Palladino and Steve Lukather to Grammy Award-
winning producers like Paul Epworth, Ross Hogarth and
Terry Britten.
In July 2015 Origin introduced five brand-new compressor
pedals. The Origin Compact Series fits the same discrete
Class-A circuitry and peerless 1176-style FET compression
found in the Cali76 and SlideRIG pedals into five compact
stompboxes. The new pedals retain the high-current, low-noise
circuitry and discrete Class-A signal path of the originals,
while adding a host of new features d es ig ned with the player
in mind.
Please note that Simon Keats & Origin Effects are in no way
affiliated with Urei or Universal Audio.
T: +44 (0)800 810 1070 E: info@origineffects.com
Origin Effects Limited, First Floor Office, Un i t C6 Station
Yard, Thame, Oxfordshire, OX9 3UH, UK.
www.origineffects.com
Figure 5: Transformer comparison: Iron-Core on left; Lundahl
on right.
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