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VTL
Innovations 
As a company driven by innovation in many areas
of user interface and product usability, VTL has a number of technical
and user interface innovations to its credit, some of which are
listed below.
High Power
We were the first to recognize that high power
is required for accurate reproduction of music in the home. VTL
made the first very high powered amplifiers in continuous production,
the de Luxe 500 in 1987 and the 1000 watt monoblock in 1990, which
were the forerunners of the MB-750
and Wotan MB-1250 today.
User Friendliness
Since the beginning VTL has consistently made user
friendliness a top design priority, to bring the beauty of tube
amplifiers accessible to more equipment owners.
Accessibility
VTL first designed the ramp back to the amplifier,
a feature that competitors have since incorporated into their own
designs. The ramp back allows easier connection of cables to the
amplifier, and keeps stiff cables from bending at sharp angles,
and makes the other controls easier to see and operate when bending
over the amplifier.
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The
VTL Design Philosophy: Keep it simple, keep it compact 
Many of the distinguishing design choices made
in the early VTL days are still made in the latest VTL models. The
VTL design philosophy - keep it simple, keep it compact - has proven
to yield reliable and consistently well regarded products throughout
the last two decades. The VTL philosophy translates to the following
design criteria - use simple circuits, pay attention to detail,
use high quality parts, and use the best tubes. Fewer parts, and
less complex circuits yield the pure tube sound of VTL.
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The
VTL Assurance of Quality 
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All VTL products undergo a long burn-in and testing period.
Test results from our Audio Precision test instrument are
provided with each and every product shipped.
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All products also undergo a complete final quality control
test where listening tests are performed, and all mechanical
and electrical assemblies are examined and signed off.
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Each and every one of the VTL production units are signed
off by our QC engineer prior to shipping, with final cosmetic
checks performed before packing the finished product into
custom made cartons and packaging materials.
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All products are comprehensively fused for greater safety
and serviceability: user-replaceable AC and high tension fuses
protect amplifier against component failure
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Lab safety tested and approved for home use
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Designed for serviceability - all parts are visible from
the bottom of the amplifier
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Rugged folded metal chassis construction
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Hand-built in California, USA
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All VTL products are precision hand-built in California,
USA by experienced electronics production craftspeople. top
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Technical
Highlights 
The following reasons are why VTL products are
technically far superior to other tube products.
Stiff Power Supplies
The most important components of a tube amplifier
are the output devices, power supply and output transformer. Any
amplifier is only as good as its power supply, and we use a large
capacity reservoir and big well regulated transformers, along
with high speed solid state rectifier power supply for top end
crispness and dynamic bass slam.
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Audiophile Quality Parts
VTL amplifiers differ from others in our approach
to spending most attention (and cost budget) on the components
that contribute to sonic performance. Each component used in our
products is chosen for reliability and durability.

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Custom hand-crafted with care
All VTL products are built in our Chino, California
factory by an experienced team of technicians. Our team
take an immense pride in the high quality work they deliver, whether
from the smallest amplifier, the TT-25 to the largest Wotan MB-1250. top
Listening as the Ultimate Test
The design of all of our products goes from paper
to prototype, with lab testing and then listening tests conducted
in home and store systems. The feedback gathered from these listening
sessions determines the improvements needed to be made before
the next iteration of the design cycle.
Listening tests are the ultimate determining
factor in determining whether our product is ready for the market
or not. Once our listening tests satisfy us that the sound is
accurate compared to our live music references, the product goes
into final design and production. top
Other features:
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Proprietary VTL Signature
Output Transformer used in all Signature products.
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Stiff, well regulated power supplies, with separate B+ power
supplies for each stage.
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Well regulated, low noise double- insulated power transformers.
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High capacitance energy storage.
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All solid state rectification for long life and high reliability.
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Parallel input stage for higher current and low noise, high
current long-tailed phase splitter, push-pull output stage.
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Specially matched, comprehensively tested and burned in VTL
branded tubes.
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Small signal frequency response: 7Hz - 100kHz, +0, -1 dB
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Full power frequency response: 20Hz - 25kHz @< 1.5% THD
at rated power
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1996-2000 VTL Amplifiers, Inc. |