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Pickup available at Audio Connection
Usually ready in 5+ days

Conrad Johnson Premier 140 Power Amplifier - Consignment
Audio Connection
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Leichhardt NSW 2040
Australia
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Conrad Johnson Premier 140 Power Amplifier - Consignment
Includes Teflon cap upgrade and spare tubes
Condition: Very good, light marks only. Recently serviced by Kimil Electronics.
Includes: Original Box, Manual, Power Cable. Spare tubes included 1 x Svetlana SV6550C, 1 x Pair Sovtek 6H30PI (matched pair)
SN: 6151109
Overview
The Conrad-Johnson Premier 140 is the culmination of 25 years of expertise in vacuum tube technology, designed to deliver an unparalleled listening experience. With its remarkable ability to recreate the dynamics, textures, and tonalities of live performances, this amplifier stands as a pinnacle of audio engineering. Whether you’re rediscovering your favorite albums or seeking the highest fidelity in music reproduction, the Premier 140 promises a transformative audio experience.
Precision Engineering for Exceptional Sound
At the heart of the Premier 140 is a meticulously designed circuit that combines a single-ended triode amplifier with a cathode-coupled phase inverter, providing balanced, low-impedance output. The amplifier generates 140 watts RMS per channel into 4, 8, or 16 ohms, ensuring versatility across various speaker configurations. With its ultralinear operation of 6550 output tubes, custom polypropylene capacitors, and interleaved winding transformers, the Premier 140 achieves high power output with minimal distortion, extended bandwidth, and exceptional phase linearity.
Built for Durability and Ease of Use
Designed with reliability and longevity in mind, the Premier 140 employs military-grade components, precision wiring, and advanced cooling systems. Its user-friendly features include an intuitive bias adjustment system with LED indicators, allowing users to maintain peak performance with minimal effort. The robust build quality ensures this amplifier remains a cornerstone of your audio system for years to come.
Craftsmanship Meets Performance
Every element of the Premier 140 is carefully selected for optimal sonic performance. From the gold-plated OFC connectors to the precision tin-oxide resistors, each component contributes to the amplifier's exceptional audio clarity and refinement. With its phase-correct design and noise-free power supply, the Premier 140 provides an immersive listening experience, capturing every nuance and detail of your favorite music.
For audiophiles and professionals seeking a reference-grade power amplifier, the Premier 140 delivers unmatched performance, reliability, and musicality, solidifying its place as a masterpiece in high-fidelity audio.
Specification
Power: 140 watts RMS per channel both channels driven into 4, 8, or 16 ohms (default configured for 4 ohms) from 30Hz to 15KHz at no more than 1.5% total harmonic distortion or intermodulation distortion.
Sensitivity: 1.1 volts RMS to rated power.
Gain: 27dB.
Small Signal Distortion: Less than 0.1% at midband.
Phase: Phase correct (non-inverting).
Frequency Response: 20Hz to 20KHz +0, -0.5dB.
Hum and Noise: 104dB below rated power output.
Input Impedance: 100K ohms.
Dimensions: 48.3D x 48.3W x 20.3H cm.
Weight: 38.6kg
