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The Audio Palette
Richard S. Burwen developed the concept for the Audio Palette. Burwen found that certain tone control adjustments were necessary to obtain the most natural, lifelike sound from recordings.
Cello has identified the major cause of sonic problems in recordings as the tonal balance that has been adjusted by the recording and mastering engineers in the studio. Each engineer uses a monitoring system that is unique. Because the tonal balance of each system is different, each recording is different. Engineers primarily use equalization to optimize tonal balance for the best sound on their system.
The Audio Palette advances musical realism more than any other single component. Tonal balance can be corrected from the most delicate and subtle adjustments for the best recordings, to the most extreme and dramatic adjustments for vintage material, in order to restore the vitality and life to recordings of music without sonic deterioration.
The Audio Palette is used by record companies, mastering laboratories, and also by discriminating home listeners.
Product Specifications:
The Standard Version of the Audio Palette has one (1) Fischer 3-pin balanced input. The Multiple Input Version (M.I.V.) Audio Palette total of four (4) inputs, one (1) Fischer 3-pin balanced and three (3) single ended.
One (1) set of single ended and one (1) set of Fischer 3-pin balanced main outputs are provided.
Two (2) sets of single ended record outputs are provided.
Frequency Adjustment Controls:
25 kHz control: +/- 24 dB in 1.00 dB increments
5 kHz control: +/- 12 dB in 0.50 dB increments
2 kHz control: +/- 6 dB in 0.25 dB increments
500 Hz control: +/- 6 dB in 0.25 dB increments
120 Hz control: +/- 14.5 dB in 0.50 dB increments
15 Hz control: +/- 29 dB in 1.00 dB increments
Dimensions:
19"w / 7.4"h / 14.1"d (Audio Palette)
19"w / 3.9"h / 8.5"d (Master Supply)
Shipping Weight:
41 lbs. (Audio Palette)
35 lbs. (Master Supply)
Grand Masters
Like the concert grand piano, the Grand Master is the largest model. Elegant in dimension, each Grand Master is a towering cabinet with eight tweeters, eight midranges, and two 12" woofers. These drivers allow for a great quantity of air to be moved quickly, achieving not only very low distortion but a staggering 127-dB SPL peak capability.
Since no single driver is required to overwork, a completely effortless reproduction is evident on even the most demanding musical passages.
Product Specifications:
Tweeters:
3/4" (8)
Midranges:
2" (8)
Woofers:
12" (2)
Design:
Acoustic Suspension
Minimum Power Requirement:
200 watts per channel
Impedance:
2 ohms (nominal)
1 ohm (minimal)
Crossover Frequencies:
500 Hz, 5000 Hz
SPL:
127 dB
Efficiency:
96 dB
Dimensions:
17"w / 86.5"h / 18"d
Weight:
500 lbs. each
The Performance Amplifier II
The Performance Amplifier is a four chassis set, comprised of two mono power supplies and two mono power amplifiers.
The Performance Amplifier includes many engineering features exclusive to Cello, which together provide unparalleled speed, clarity, impact, natural tone quality and reliability.
Each amplifier chassis has a balanced audio input, balanced bridging output, and four sets of barrier strip outputs. Three pin Fischer connectors are used to provide balanced line audio connections of the highest quality.
The cost of the Performance Amplifier reflects Cello's insistence on the most innovative circuitry and premium parts.
The Performance Amplifier offers a combination of sonic purity, power, build quality, freedom from obsolescence, and flexibility that makes a new level of musical integrity and system performance possible.
Product Specifications:
Power Output (single amp):
@8 Ohms Rated: 200 Watts
@4 Ohms Rated: 400 Watts
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