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Buckeye Purifi 1ET7040SA Monoblock Amplifiers

$1,200

$1,500

Last updated 5 months ago in Virginia Beach, VA

Condition: Used (normal wear)

Listed in categories: Electronics & Media - Audio & Speakers - Other - Audio & Speakers

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Buckeye Purifi 1ET7040SA Monoblock Amplifiers

SOLD

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Details

Model

1ET7040SA

Type

Speaker Amps

Brand

Buckeye Amps

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Description

I’m selling a pair of Purifi 1ET7040SA V2 Monoblock amps from Buckeye. They were used sparingly in my office audio system since January. I have now upgraded to Buckeye’s new 1ET9040BA monoblocks. Specifications: (1) Purifi 1ET7040SA module (1) Mircro Audio SMPS1k-PFCR2 (w/Active Power Factor Correction) 950w @ 2ohm (peak) 500w @ 4ohm (peak) 250w @ 8ohm (peak) Case Details: All aluminum w/black powder coat finish - 10" wide x 13" deep x 3.5" high, 6lbs Custom Input Buffer Board with: - Neutrik XLR connector - Gold plated 5-way speaker binding posts - OPA1612 Input Stage - TI TPS7A49/30 Voltage Regulators - Low, Med, High Gain settings - Clipping Indication (via Front Power LED)* - Error Indication (via Front Power LED)* - Muted Soft-start/shutdown (minimizes speaker “pop” when turning on and off) - Auto Sensing On/Off - 12v trigger On/Off *Using I2C control of the Purifi modules through our Custom Input Buffer board allows us to offer features even some of the more expensive competitors are missing! Gain settings: 4ohm - 25.5dB/2.17Vrms (High), 20.5dB/3.89Vrms (Medium), 15.5dB/6.93Vrms (Low) 8ohm - 25.5dB/2.24Vrms (High), 20.5dB/4.02Vrms (Medium), 15.5dB/7.16Vrms (Low) Additional Specs: Low Distortion: THD+N = 0.00035 % @ 200W, 4Ω, 1kHz SNR: 129dB Frequency Response: 20 - 20kHz High Input Impedance: 51K Ultra High Damping Factor Ultra High 40A Current Output capable of driving incredibly difficult sub-2ohm speakers Idle losses (output stage) ~2.8 W Efficiency >94%

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