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Troubleshooting MaintenanceRevoicingTube
Testing BiasingTrue
Bias UpgradeCool
Pedal ModsOther |
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Electronic
repairs, service, and modification
to vintage and modern tube
and solid state music equipment
in Toronto, including* Fender,
Marshall, Traynor, Music Man,
Yorkville Sound,
Roland, Yamaha, Peavey,
Vox, Ampeg and others.
Qualified service and customization
of tube amplifiers. Custom
voicing and added functionality
for guitar amplifiers and
pedals of all makes. |
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*
not affiliated
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 Troubleshooting: |
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Music
equipment diagnosed,
serviced, and repaired
by a qualified
Electronics Technician. |
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| Maintenance: |
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Services
to fix crackling
controls, popping
switches,
farting out,
fans, dirty electronics
(clean-up, inside
and out), new jacks,
re-soldering,
replacement of
pots & sliders,
spring reverb repairs,
effect and keyboard battery
changes, etc . |
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| Revoicing: |
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Amplifier
tonal controls
revoiced. Treble,
mid, and bass frequencies
tuned. Mid range
control circuits
added (if not existing).
Mid-frequency
shift circuits
added (make any
amp more versatile).
Footswitching
added. Dramatic
results. Discerning
players will truly
appreciate this
special service. |
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| Tube
Testing and Matching: |
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Tube
testing and matching,
done on a quality
Dynamic Mutual
Conductance tube
tester. It powers
up and tests tubes
while they are
under actual operating
conditions.
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| Biasing: |
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Biasing
(adjustment
of power
tube audio
signal dc
voltage)
needs to
be done whenever
power tubes
are replaced
and occasionally
during the
life of power
tubes. Correct
biasing
makes power
tubes run
in their
proper operating
range. Improperly
biased power
tubes can
cause costly
damage to
amp components,
premature
tube failure,
bad sound,
etc.
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| True
Bias Circuit Upgrade |
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True
Bias Circuit installation:
The best way to
bias tube amps
is with separate
controls so each
power tube or pair
of power tubes
can have their
voltage set individually.
The true bias circuit
is by far the best
biasing method
for any tube
amp.
Also
available: Common
Bias Circuit
Installation;
a conversion
from bias-balance
to the common
bias-circuit
found in older
vintage Fender
amps. This circuit
relies on having
matched tubes
and matched bias
circuit resistors
to balance the
circuit. An adjustable
current control
to bias the power
tubes is used in
this vintage Fender
biasing scheme.
Not as good as
the true bias circuit,
but can be much
better
than the bias
balance. |
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| Cool Pedal
Mods: |
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Mods
to make Crybabys,
Metal Zones, Delay
pedals, choruses,
flanges, and many
more pedals sound
cool!. Deeper flanges,
sweeter distortion,
more presence,
better bass. Custom
pedal mods -
taking pedals
to a higher level.
Please visit the
mods page for some
examples of what
is available. |
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| Other: |
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For
electronic services
and mods not listed
above, please inquire. |
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copyright ©,
Peter Maziar, 2009
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