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Jeff Rowland Model 535 Stereo Amplifier

Jeff Rowland Model 535 Stereo Amplifier

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(08) 7130 0148

A bridgeable power amplifier that delivers stunning dynamic realism and expressive refinement. Housed in a chassis milled from a solid block of aircraft-grade aluminum, the Model 535 features an innovative topology that epitomizes power and efficiency.

000

From a single Model 535 in stereo mode at the core of an intimate audio system, up to multiple bridged units powering a complex home theater setup, down to a bridged pair driving a sophisticated two-channel environment, the Model 535 delivers exquisite resolution, authority, and control to speakers of almost any size and any load.

Features

Machined Aluminum Chassis

Precision-machined chassis, milled from a solid block of aircraft grade aluminum, provides exceptional thermal heat transfer/dissipation, RFI/ EMI shielding, resonance control, and minimizes micro-phonically induced microvibrations from any source.

Ceramic Circuit Boards

Critical audio circuits are implemented on mil-spec, multilayer, low dielectric constant, Rogers™ ultra-rigid ceramic circuit board substrate for extremely low energy retention and absorption. Large low impedance ground planes areas for extended internal star-grounding.

Balanced Topology

Inherent cancellation effects of balanced topology implemented throughout power and input/output circuits ensure reduced distortion and noise under dynamic signal conditions.

High-Precision Surface Mount Components

Extensive use of Lead (Pb)-free, low temperature coefficient, active and passive surface-mount components results in significantly smaller loop areas, reduced circuit capacitance and inductance, and introduces less noise than conventional leaded components.

Thin-Film Resistors

All resistors are low noise, 0.1% thin-film type for extremely low thermal noise which complement the low-noise characteristics of the active circuitry.

Teflon Insulated Wires

All signal carrying input and output wires are teflon insulated, for low dielectric energy storage, ensuring that each audio note naturally decays into the deeper silence of the music.

Transformer-Coupling and Isolation

Transformer coupled input circuitry provides universal component compatibility and virtually eliminates ground loop noise and RFI/ EMI. Transformer coupling ensures identical amplifier overall gain when using unbalanced input adapters.

Active Power Factor Correction

Power Factor Correction (PFC) integrated into the power supply reduces AC line harmonic noise pollution and increases AC line power utilization to 97%.

High-Efficiency Switch-Mode Power Supply

Highly efficient, compact, light weight, switch-mode power supply provides optimum voltage regulation for all circuits and operating conditions, and allows for quiet operation over a wide range of AC mains power sources.

Binding Posts

CE approved speaker output terminals require no tools for secure, low resistance connections.

Front Panel Standby Button

Illuminated front panel push-button switches the amplifier into standby mode (<0.3 watt consumption). An internal switch allows the user to dim the front panel indicator light “ring” or shut off the light altogether when the amplifier is powered on. REMOTE ON/OFF: A 1/8” (3.5mm) mini plug connector on rear panel permits amplifier power on/standby switching in remote and home theater applications. ><0.3 watt consumption). An internal switch allows the user to dim the front panel indicator light “ring” or shut off the light altogether when the amplifier is powered on.

Remote On/Off

An 1/8” (3.5mm) mini plug connector on rear panel permits amplifier power on/standby switching in remote and home theater applications.

 

Specifications

Max Output Power 250 watts @ 8 ohms / 500 watts @ 4 ohms
900 watts @ 8 ohms BTL (bridge-tied load
Frequency Response 5 Hz – 70 kHz, -3dB
Output Noise 40 Microvolts A weighted
Input Impedance 40k ohms
THD + Noise < 0.05%, 20 Hz – 20kHz
Damping Factor > 1000 @ 1kHz
Overall Gain / Bal. or Unbal. 26 dB Stereo/Bridged
Peak Output Current 30 Amps
Dynamic Range 120 dB (A) / 124 dB (A) Bridged
Inputs 1 pair Balanced Stereo / 1 input Balanced Mono
Outputs 1 pair binding posts Stereo / 1 output Mono
Mains Input Voltage 85-265 VAC
Amplifier Weight 22 lbs. / 9.79 kg
Amplifier Dimensions (h/w/d) 3.4” x 15.5” x 11.0” / 86 x 394 x 279 (H x W x D)
IMD (CCIF) 0.0015%
IMD (TIM) 0.0035%

 

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