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Thank You!
“I personally wish to thank you for choosing my RAM 285
amplifier. It has truly been a labor of love, incorporating many of
the sonic improvements I developed for the Silver Seven 900 and
Crimson/Raven 350, as well as those from previous designs. Along
with the help of my wonderful staff, we believe that we have creat-
ed both a sonic masterpiece and an excellent value.
“It’s time to start enjoying years of musical enjoyment! But
first, please take the time to read through this brief manual to get
the most from your RAM 285”
Why we’re so proud of the RAM 285!!!
The Reference Amplifier Model 285 represents the pinnacle of Hi fidelity performance
achieved by vacuum tube amplification to date.
The RAM 285 is the accumulation of decades of research and development by physicist
and world famous audio electronics designer Robert W. (Bob) Carver.
The DC Restorer Circuit, provides a dynamic bias supply, allowing for cooler operating
temps and uncompromising vacuum tube performance. This design provides tube life of dec-
ades before degradation begins. The RAM 285 DC Restorer is the latest and fastest acting de-
sign using the 6AL5 vacuum tube diodes.
The ‘listening to the room’ current feedback loop, uses back EMF from the loudspeakers
acting as microphones to sense the room. This processed information is fed back to the amplifi-
ers input stage to provide consistent, realistic scale and soundstage details of the performance,
in spite of less than perfect room shapes and acoustic characteristics of most listening locations.
Premium construction - The RAM 285 is an amplifier designed to last a life time and the
component parts have been carefully selected for outstanding performance for the long haul.
We believe the RAM 285 is the finest in its class at any price. We look forward to hearing
about your experience with this excitingly musical amplifier design. Enjoy!
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