1 RU General Purpose Stereo Monitor Amplifier

Ideal for use in On-Air Studios, News Rooms or Basic 
Production Booths. Features

•	Immaculate Audio Performance
•	25 Watts Per Channel
•	External Muting Facility for use with Non-Broadcast Type Production Mixers
•	No Cooling Fan
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The “CHALLENGER” is the Ultimate Monitor Amplifier for

Recording, Mastering or for just enjoying superb quality sound.

Features: 

•	Completely Symmetrical Design based on Audio Grade 40 MHz Bi-Polar Transistors
•	Three Emitter Follower stages in output circuit producing current gain of about 1 Million
•	High Negative Feedback Ratio at Low Frequencies giving excellent Loudspeaker Damping
•	Reduced Negative Feedback Ratio at High Frequencies for good Load Tolerance
•	Will Drive Electrostatic Speakers
•	Output Power Completely Adequate for Serious Monitoring
•	No Cooling Fan

More Detail

Read the review on the RMA-02 from the August 2003 issue 
of "Silicon Chip" magazine

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4 RU 60 Watt+ Commercial Valve

Monoblock Monitor Amplifier

The “ENIGMA” is a very High Quality and Expensive “Ultra Linear”
Push-Pull Valve Amplifier for serious Audio Quality Evaluation or 
sheer Listening Enjoyment. Features

•	KT 88 Output Valves
•	Specially Designed Output Transformer by E. A. Sowter of the UK and
•	Truly capable Phase Splitter and Driver Circuitry
Must Hear to Appreciate Quality of “Valve Sound”. Manufactured to Order Only

More detail

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