PA1175 - Power Amplifier 175/350W

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elegant and powerful

PA-1175 is a Stereo Power amplifier that features 4 matched pair of transistors per channel with a proprietary Gold Note BIAS constant current generator enables high current and high power rate with ultra low distortion.

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4 800,00 €

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The amplifier features a Gold Note innovative Optical BIAS that uses optical devices to control the voltage reference of the unit that being much more stable of the traditional electronic ones the optical devices guarantee extraordinary audio performance.

Featuring BTL technology [Bridge-Tied-Load] so the unit can be easily bridged to work as a mono amp doubling its large power rate from 175watt per channel @ 8ohm up to a considerably 350watt per channel.

The flexibility of the power amplifier can be largely extended with the mono application for all kind of speakers that really requires high power and massive energy. 

With a 630VA custom made toroidal audio transformer having an unique cut spiral nucleus design completely cancelling mechanical vibrations enhanced by original Ducati race bikes silent block to guarantee e terrific effect and perfect insulation.


A small 6VA transformer powers all service functions out of the audio signal path to preserve the best performance.PA-1175 also powers a conveniently selectable front panel Damping Factor switch sets up 250 or 25 allowing an ideal match with any kind of speakers acting the amplifier full power and great control at 250 DF necessary with large and difficult speakers to drive while acting as a low power tube amps at 25 DF ideal to drive high sensitivity or mini monitor speakers do not agree the energy of big amplifiers.

We introduced a new unique Optical Protection for output stage featuring optical decoupling, to overcome downgrading performances solutions of traditional electronics, that optically analyzes the audio signal. The Optical Protection is completely separated from the audio signal path for perfect protection and unbeatable performance.

Top-level electronic components combined with outer connections RCA, XLR and original Rhodium Gold Note speaker terminals complete the PA-1175 high-level quality.

PA-1175 is built around a very solid steel chassis with thick aluminum panels to avoid RFI and Emi troubles at the same time.

HIGH POWER AMP

PA-1175 is a 175Watt per channel @ 8ohm Stereo Power Amplifier bridgeable to have a mono 350Watt per channel

GOLD NOTE AUDIO DESIGN

Single-End 8 transistors per channel powered amplifier GN Design derivated from the Diamond Line

OPTICAL BIAS REGULATION

Full innovative GN optical BIAS regulation design allows ultra low distortion clean power music signal

OPTICAL PROTECTION

Innovative GN design Optical Output Protection enable best audio performance

ADJUSTABLE DAMPING FACTOR

Adjustable GN property Damping Factor 250/25 playing alternatively low sensitivity difficult speakers and easy load or mini monitors

SPECIFICATION

Power Amplifier with optical BIAS
Power output: 175W per channel @ 8Ω and 350W @ 8Ω in mono BTL
Frequency response: 1Hz-100kHz at +/-1dB
THD – Total Harmonic Distortion: <0.01%THD @ 20Hz-20kHz
Signal to Noise ratio: -110dB
Damping factor: Selectable 250 or 25
Slew rate: 20V/µs

Audio inputs

Stereo RCA, stereo XLR balanced
Input sensitivity: 1000mV on RCA and 4000mV on XLR
Input impedance: 47Kohm

Audio outputs

Speakers: Gold Note BP-01 Rhodium Plated Binding Posts

Power

Mains supply: 100 to 245V, 50/60Hz, depending on market destination not convertible
Power transformers: 630VA Toroidal Customized Audio Power Transformer and 6VA transformer for all service out of the audio signal path
Power consumption: 800W max – <1W idle

DIMENSION: 430mm W | 135mm H | 370mm D

WEIGHT: 25Kilos

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