Bellari RP563 Stereo Tube Sonic Exciter User Guide
- September 19, 2024
- Bellari
Table of Contents
RP563
Stereo Tube
Sonic Exciter
Quick Start Guide
FRONT PANEL DESCRIPTION
SUB FREQUENCY: Sets the highest frequency allowed out of the Sub Woofer
Outputs. This frequency is adjustable between 35Hz and 200 Hz.
SUB LEVEL: Adjusts the output level of the Sub Woofer Outputs. The level
is adjustable between – infinity (off ) and a gain of + 20 dB. SUB CLIP LED:
When lit, this LED indicates the signal level is 3 dB below clipping and there
may be distortion in the Sub Woofer circuits.
ACTIVE SWITCH: Engages and disengages the RP563. When out, the unit is
bypassed.
BOTTOM: Controls the low frequency cut/boost (flat or no cut/boost is at about
12 o’clock). There is a 0 to 1/2 turn spectrum spread from midrange to bass
with this control as well as amplitude control.
DEFINITION: Controls the amount of sonic clarity and sound spread. Setting it
on 0 is flat response and minimal spread, on 10 is maximum spread and
definition.
LEFT/RIGHT LEVEL METERS: Indicates the output level of each channel. PWR LED:
Indicates that the RP563 is connected to an AC outlet, and the power is turned
on.
POWER SWITCH: Controls the primary power to the RP563.
REAR PANEL DESCRIPTION
DC INPUT JACK: For connection to the supplied power adapter.
RIGHT/LEFT XLR OUTPUTS: Balanced outputs for connection a power amplifier or
other equipment with XLR line level capabilities.
RIGHT/LEFT 1/4” OUTPUTS: Unbalanced line level outputs.
LEFT/RIGHT 1/4” INPUTS: Unbalanced inputs for connection (normally) to the
last device in the signal chain before the power amplifier.
LEFT/RIGHT XLR INPUTS: Balanced line level inputs.
SUB OUTPUT: 1/4” unbalanced output for connection to the Sub Woofer power
amplifier.
OPERATION
STEREO CONNECTION
We recommend you put the RP563 last in the signal chain. If you have an EQ or
other processor after your mixer’s main outputs, use the RP563 between it and
your power amplifier.
If you are connecting the RP563 into a home stereo system, insert the Sonic
Exciter between your signal sources such as tuners, DVD players, CD players
etc. and the power amplifier.
CAUTION: TO AVOID POSSIBLE SPEAKER OR AMPLIFIER DAMAGE, ALWAYS TURN ON
THE RP563 AND OTHER PERIPHERAL EQUIPMENT BEFORE TURNING ON THE POWER
AMPLIFIERS. ALSO TURN OFF THE POWER AMPLIFIERS FIRST, BEFORE TURNING OFF THE
RP563 AND OTHER EQUIPMENT.
The RP563 Stereo Tube Sonic Exciter is a two channel frequency compensation
device designed to add life and animation to your sound. WHAT IS A SONIC
EXCITER, AND WHY USE TUBES? The frequency range that a human ear can detect is
roughly 20Hz to 20kHz. However, the frequency response a normal speaker can
effectively reproduce is much, less. Additionally, speakers add distortion and
phase changes that make the sound different from that of the original
material.
A sonic exciter restores clarity and presence to the processed signal by
correcting phase changes and harmonic structure differences. In other words,
it puts the components of the sound back where they belong. Using a vacuum
tube circuit in this configuration not only restores the clarity lost in
previous processes, it adds warmth and a slightly compressed attribute to the
program material. This addition to the sonic exciter process makes the final
sound even larger, cleaner, and clearer. All of this is done by the use of
all-pass filtering, frequency compensated gain adjustment, and frequency
compensated domain delay. What this means is the elements of sound are fanned
out like a deck of cards, making each sound more audible and distinct,
reducing the need for higher volumes and radical equalizer adjustment. Because
of the unique tube design, the RP563 also has the benefit of natural tube
compression. This makes a more realistic and pleasing sound. With the all
class “A” design, there is enhanced second harmonic content, making the RP563
smooth and musical.
SPECIFICATIONS
Frequency Response: 20 Hz – 40 kHz
Input Impedance: 10K balanced – 10K unbalanced
THD + Noise: <0.7% typical
Noise Floor: -78 dB
Subwoofer Slope: -18 dB/Octave
Max. Subwoofer Gain: +20 dB
2: Analog VU Meters: (Ref. +4 dBm)
Input/Output jacks: XLR balanced
1/4”: unbalanced
Dimensions: 1.75” X 6” X 19”
(89mm X 162mm X 482mm)
Weight: 6 lbs. (2.72 Kg)
Power: 100-240VAC 25VA
ROLLS CORPORATION
SALT LAKE CITY, UTAH
8/13
Documents / Resources
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Bellari RP563 Stereo Tube Sonic
Exciter
[pdf] User Guide
RP563 Stereo Tube Sonic Exciter, RP563, Stereo Tube Sonic Exciter, Tube Sonic
Exciter, Sonic Exciter, Exciter
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