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Monolith III User's Manual
Monolith III Specifications
The MONOLITH III hybrid speaker
system consists of a broad-range
single element electrostatic transducer
integrated with a quick-response
woofer. This approach takes maximum
advantage of the positive aspects that
both technologies have to offer.
Dispersion is a controlled 30 degrees.
This was achieved by curving the
electrostatic transducer element itself,
an elegantly simple solution.
ImpedanceImpedance
ImpedanceImpedance
Impedance
High-pass:High-pass:
High-pass:High-pass:
High-pass:
Nominal: 4 ohms, below 10kHz
Minimum: 1 ohm @ 20kHz
Low-pass:Low-pass:
Low-pass:Low-pass:
Low-pass:
Nominal: 4 ohms
Minimum: 4 ohms
Power HandlingPower Handling
Power HandlingPower Handling
Power Handling
250 watts per channel
Recommended Amplifier PowerRecommended Amplifier Power
Recommended Amplifier PowerRecommended Amplifier Power
Recommended Amplifier Power
80 - 250 watts per channel
MONOLITH III SPEAKER
System Frequency ResponseSystem Frequency Response
System Frequency ResponseSystem Frequency Response
System Frequency Response
28-24,000 Hz +/-2dB
Electrostatic Frequency ResponseElectrostatic Frequency Response
Electrostatic Frequency ResponseElectrostatic Frequency Response
Electrostatic Frequency Response
95-24,000 Hz +/- 2dB
Woofer Frequency ResponseWoofer Frequency Response
Woofer Frequency ResponseWoofer Frequency Response
Woofer Frequency Response
28-2,000 Hz +/- 2dB
DispersionDispersion
DispersionDispersion
Dispersion
Horizontal: 30 Degrees
Vertical: 4' Line Source
SensitivitySensitivity
SensitivitySensitivity
Sensitivity
89dB/2.83 Volts/meter
WeightWeight
WeightWeight
Weight
120 lbs/speaker; 54.4 kg/speaker
Size Size
Size Size
Size (HWD)
73.75" x 26.75" x 11.75"
187.3cm x 67.9cm x 29.8cm
ComponentsComponents
ComponentsComponents
Components
Glass-epoxy boards,
custom-wound audio transformers,
30-amp gold plated binding posts,
regulated HV power supply
IIIx CROSSOVER
Crossover FrequencyCrossover Frequency
Crossover FrequencyCrossover Frequency
Crossover Frequency
125 Hz: @12dB/octave low-pass
@18dB/octave high-pass
Input ImpedanceInput Impedance
Input ImpedanceInput Impedance
Input Impedance
47,000 ohms
Output ImpedanceOutput Impedance
Output ImpedanceOutput Impedance
Output Impedance
100 ohms
DistortionDistortion
DistortionDistortion
Distortion
0.003% THD @ 1kHz @ 1Vrms
Signal to NoiseSignal to Noise
Signal to NoiseSignal to Noise
Signal to Noise
Greater than -95dB
IIIp INTERFACE
Crossover FrequencyCrossover Frequency
Crossover FrequencyCrossover Frequency
Crossover Frequency
125 Hz @ 12dB/octave
ImpedanceImpedance
ImpedanceImpedance
Impedance
Nominal: 4 ohms, below 10kHz
Minimum: 1 ohms @ 20kHz
ComponentsComponents
ComponentsComponents
Components
Glass-epoxy boards,
polypropylene capacitors,
100% OFC coils,
wirewound resistors,
30-amp gold plated binding posts,
non-ferrous enclosure
Circuit TopologyCircuit Topology
Circuit TopologyCircuit Topology
Circuit Topology
Audio circuits are fully complimen-
tary, class-A current-biased J-FET
buffers that isolate passive filter
networks.
Power supply employs a toroidal
transformer , discrete voltage and
self-tracking current regulation.
40-volt peak to peak swing allows
for 30dB of dynamic headroom.
ComponentsComponents
ComponentsComponents
Components
Glass-epoxy boards, metal film
resistors, polypropylene capacitors,
hand picked J-FETs,
TIFFANY
input/output connectors