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B o u l d e r A m p l i f i e r s , I n c .
3 2 3 5 P r a i r i e Ave . - B o u l d e r, C O 8 0 3 0 1
3 0 3 - 4 4 9 - 8 2 2 0 - w w w. b o u l d e r a m p. c o m
SPECIFICATIONS
ANALOG INPUTS 4 Balanced Line
OUTPUTS 2 Balanced Main, 1 Record
VOLUME 10 0 dB range in 0. 5 dB steps
MA X GAIN 20 dB
MA X OUTPUT 14.0 Vrms
CLIP TO NOISE 118 dB
FREQ RESPONSE + 0, - 0.03 dB , 20 Hz to 20kHz
THD + N , 2V OUT Less than 0.0 045%
SYSTEM Boulderlink, 12V Trig ger
SIZE 17.0 0 wide, 5. 50 high, 15.25 deep (in.)
WEIGHT 18 , Shipping: 26 Pounds
POWER 120 VAC , 50 - 60 Hz , 22W Ma x
Boulders proprietary 0.5 dB stepped volume
control system performs with unmatched accuracy.
This system produces the most sonically clear, yet
reliable, method of attenuating the analog audio
signal. The absence of distortion and noise from
the mechanical sliding wiper used in a continuous
potentiometer makes for a stunning improvement
in clarity. Sonically, Boulders volume control has no
equal.
The 810 Stereo Preamplifier also features the
Boulderlink system for complete system control and
communication with other Boulder components. All
necessary connections for external use and control are
provided-“an input for remotely located IR and a 12V
trigger output for remote turn on of amplifiers.
An illuminated alpha-numeric display allows you
to name and program each input of the 810 Stereo
Preamplifier. Each selection can also easily be read
from across the room. Starting volume levels, gain
matching, input balance, polarity, and Theater Mode
can also be programmed for each individual input.
Theater Mode allows the 810 to be integrated into
a home theater system to seamlessly switch from
audio to theater listening without compromising the
performance of either.
All of the 810 Preamplifiers machined metalwork
is designed in Colorado and fabricated on Boulders
own CNC machining centers. All electronics are
engineered and
produced in Boulder
and tested at every
step of production.
Each piece of circuitry
and metal is held to the strictest quality standards,
assuring the greatest residual value for any investment
in Boulder.
The 810 derives performance and refinement
from its predecessors in a way no other preamplifier
possibly could. By using the expertise gained from the
proven 2010 and 1010, Boulder has created yet another
preamplifier without peer in its price class.
