ESR Series
Introduction
Introduction
2
Thank you for purchasing this KV2 Audio, ESR series system, consisting of the ESR3000 stereo controller/
amplifier unit, two ESR215 speakers and optional variants of subwoofers.
The ESR range has been developed for a particular niche in the market, where an all in one box is needed
to give clear detailed reproduction over a wide area. The ESR215 and 212 are three way full range
enclosures with wide dispersion characteristics. They can be used vertically for theatre, church or cultural
centre type installations, or horizontally mounted to give excellent coverage over a tiered seating area for
stadium or grandstand type applications.
Similar to our popular ES range, the ESR cabinets are fully active and driven by a proprietary amplifier,
which delivers equalized, and time aligned accurate signal to each of the components. Two ESR215
cabinets can be driven by a single ESR3000 High Definition Amplifier, which houses all signal processing
and amplification, as well as providing control for two different external subwoofer cabinet configurations
if required.
In situations where extended bass response is not needed, but full range high definition audio
reproduction with extremely good coverage is required, the ESR Range offers an ideal solution. Economies
of scale are achieved by the requirement of only one ESR amplifier, to run a three way active stereo system
where other systems would require processors and multiple amplifiers to achieve a similar configuration.
This manual contains important information on operating the ESR system correctly and safely. Please take
some time and read this manual to familiarize yourself with the advanced features of this system.
The ESR3000 Amplifier is a three-way, active control and amplification system, specifically designed for
the KV2 Audio ESR series loudspeaker systems. It houses all signal processing and amplification, as well
as providing control for external subwoofer cabinet configurations, and to operate additional subwoofer
cabinets if needed. External subwoofers are powered by the external subwoofer amplifier (VHD3200).
The amplifier compliment and configuration inside the ESR3000 Amplifier is as follows:
High Frequency - 100-watt, Class AB, Push pull, Low intermodulation design.
Mid Frequency - 200-watt, Class AB, Push pull, Low intermodulation design.
Low Frequency - 1000-watt, High-efficiency, Current-enhancing switch mode technology with Linear Active
Filter.
In most cases it would be advisable to use a KV2 Audio Line driver (LD4) in addition at the mixer end, to
ensure that the line to the amplifier is driven correctly and the signal integrity maintained.
Although this system is simple to operate, improper use can be dangerous. This is a very high-powered
device that can put out high voltages and sizeable currents. Always use safe operating techniques with the
SL series system.
FOR YOUR SAFETY, READ THE IMPORTANT PRECAUTIONS SECTION AS WELL AS THE INPUT, OUTPUT
AND POWER CONNECTION SECTIONS OF THIS MANUAL.
Warranty
Your ESR System is Warrantied against defects in material and workmanship. Please refer to your supplier
for more warranty details.
Service
WARNING! Electronic components, risk of SHOCK!
In the unlikely event that your product requires service, it must be returned to an authorized KV2 Audio
distributor, service centre or shipped directly to the factory. All warranty and service repairs must be
undertaken by qualified technical personnel. If the unit/s need to be shipped back to the factory, we advise
using the original packing to reduce the risk of damage in transit.
Please contact your nearest KV2 Audio centre for service details.
Distributors list can be found at www.kv2audio.com.
