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FEATURES 3
GOLD PLATED TERMINALS: BASS DRIVE EQUALIZATION CIRCUITRY:
“ADR”: - ACTIVE DYNAMIC REGULATION
CLASS D AUDIO STAGE PERFORMANCE
POWER AND PROTECTION CIRCUITRY:
STIFFENING CAPACITOR DIRECT CONECTION:
MUTE CIRCUIT:
All the terminals on the amplifier are solid brass and satin nickel plated for high conductivity
and minimum impedance loss. The power and ground terminals are extra large and capable
of accepting 2 gauge wire. The speaker terminals can accept 8 gauge wire. When wiring the
amplifier, be sure to strip just enough wire that fits into the terminal so that bare wires do not
touch each other, or the amplifier chassis and cause a short circuit.
A narrow "Q" shelving equalization circuit is included in the amplifiers. The equalization
system allows you to choose the center frequency which you want to boost and also a
separate adjustable boost control. This boost control allows you to add up to 15dB of Bass
Drive effect. Utilize the Bass Drive to tailor your bass response to your systems needs.
Please keep in mind that adding Bass Drive you are adding stress on your speakers. Make
sure your speakers can handle the extra power output! It would be foolish to add 15dB of gain
to low excursion 8" and 10" subwoofers.
Cadence RS amplifiers feature our proprietary ADR, Active Dynamic Regulated power
supplies. 100% HexFET devices are utilized in the power supply for high speed (100KHz)
switching frequencies. The power supplies are capable of supplying the main amplifier with a
considerable amount of reserve voltage for peak "high demand" situations. The ADR circuit
provides full bandwidth power for authoritative bass response, high current output into low
impedance loads and increased headroom. The ADR is supplied with power via a high speed,
high temperature capacitance bank and 100% pure copper rails on the PCB enabling fast
transient response to musical demands.
The audio output section of the RS amplifiers feature high speed high voltage, low Rdson
MosFET transistors. This design contributes to ultra low distortion and extreme high power
capabilities. Our proprietary Class D modulation scheme, in conjunction with a very carefully
designed output filter, ensure clean, accurate sound reproduction with authority for deep
slamming true bass. YOU WILL HEAR THE DIFFERENCE.
Type RS amplifiers feature our unique IC controlled protection circuitry. This sophisticated
circuit constantly monitors the heatsink internal temperature and various voltages, adjusting
the amp automatically and protecting it from dangerous conditions. The 2 LEDs located on
the input side of the amplifier provide indication of the amplifier status, and the Power LED will
light Green when the amplifier is receiving proper power, ground and remote voltages and the
IC monitoring sequence indicates the amp is functional. In case the amplifier encounters a
diagnostic condition as listed below, the second LED will turn RED indicating a Diagnostic
condition. When a diagnostic condition is sensed the amplifier will then turn into a self
preservation mode and if the cause of the diagnostic condition is not corrected will eventually
shut off. There are certain critical diagnostic conditions which will turn the amplifier off
immediately.
1. Speaker short circuit.
2. Input Overload.
3. Thermal overload.
4. Reverse Polarity.
To reset the amplifier, you must first diagnose what caused the problem, correct the fault and
restart the system. See the Trouble Shooting page for further details.
A unique feature of the Cadence Type RS amplifiers, is their direct capacitor connection to the
amplifier's internal power supply. As you know, the speed in which the reserve capacity of any
stiffening capacitors reaching the amplifier's power supply is critical. You want this reserve
voltage to be immediately available upon your amps hitting a bass note. Our terminal
connection puts the negative of the capacitor in direct line with the negative terminals of the
power supply MosFET's and the positive of the capacitor with the center tap of the power
supply transformer coil. In essence, it's like your amplifier having its own personal battery.
The RS amplifiers feature an anti-thump, mute and delay circuit. This eliminates irritating and
speaker damaging turn-on and turn-off transients normally experienced with less expensive
amplifiers.
Boom
!
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