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PURPOSE AND FUNCTION
PURPOSE AND FUNCTION
The Reference 200.1 S2 (Single channel Monoblock) or Reference 200.2 S2 (Two channel) is a high power
amplifier that is designed for use in all types of audio or audio/video systems.
DESIGN AND CONSTRUCTION
The Reference 200.1 S2 or Reference 200.2 S2 amplifier utilizes high quality electronic circuitry to achieve
an environment wherein a detailed, transparent, and highly musical sound can be realized. The high quality
parts complement includes: state-of-the-art solid state devices, 1% metal film resistors, computer grade elec-
trolytic power supply capacitors, and a high capacity toroidal transformer. All B&K products are designed
and hand assembled in Buffalo, NY U.S.A.
The Reference 200.1 S2 or Reference 200.2 S2 operates with a class A predriver and AB MOSFET power
output stages. These high power amplifiers are capable of delivering full range while reproducing the most
demanding music passages effortlessly into the most demanding audiophile speakers.
FEATURES
High Current - Ability to cleanly, accurately, and reliably reproduce demanding recordings or source materials
into low impedance drivers and speaker systems.
Class A Predriver - Improves low level detail and clarity for smoother, more musical sound.
AB MOSFET Output - Provides efficient and linear power delivery, as well as protection from thermal overload.
Gold Plated Connectors - Improved sound with minimum signal loss and degradation.
Five Way Binding Posts - High quality binding posts accommodate up to 4 gauge wire.
Control Output - One 3.5mm (1/8”) 10-12 VDC @ 200 mA output for controlling other amplifiers or control-
ling external systems that use a voltage trigger.
Control Input - One 3.5mm (1/8”) jack that allows standby on/off with a 5-24 VDC control signal.
Toroidal Transformer - Efficient, high current, shielded transformer that supplies the amplifier with a clean
and constant supply of power, even during highly demanding source material passages.
Discrete Circuitry - Dynamically provides a full, accurate, and three dimensional reproduction of source
material.
1% Metal Film Resistors - High quality resistors used in all active circuitry to reduce noise and obtain better
sound purity.
Computer Grade Capacitors - Large capacity computer grade electrolytic capacitors for extended low fre-
quency control, increased power supply, and improved dynamics.
Balanced Inputs - Balanced inputs deliver the quietest and most accurate signal path between the preampli-
fier and amplifier.
Full Power Operation - Capability to operate at full power with a square wave input.
Differential Input Stage - A current source load assures DC stability and wide bandwidth linearity.
5 Year Factory Warranty - All B&K products sold through an authorized dealers are covered by a 5 year
parts and labor factory Warranty.
Available Faceplates
17” Black (Standard)
17” Silver (Optional)
19” Black Rack Mount (Optional)
19” Silver Rack Mount (Optional)
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