PS Audio BHK Signature 300 Hybrid Monoblock Power Amplifiers

PS Audio BHK Signature 300 Monoblock Amplifier features an output wattage of 300 watts into 8 ohms, 600 watts into 4 ohms, and 1,000 watts into 2 ohms. Engineered by Bascom H. King, this reference-grade monoblock power amplifier utilizes a hybrid architecture featuring a zero-loss vacuum tube input stage paired with a high-current, differentially coupled MOSFET output stage. Built with through-hole construction and fully balanced circuitry from input to output, it incorporates hand-matched Gold Lion 6922 triode tubes, custom solid copper gold-plated binding posts, and robust power supplies to drive virtually any loudspeaker with complete control and linear accuracy.

Critical reviews praise the BHK Signature 300 for its exceptional sonic balance, highlighting its fast, punchy bass, liquid midrange, and delicate high-frequency resolution. Audio reviewers consistently note its ability to render subtle spatial cues, complex micro-details, and realistic acoustic decays without introducing harshness. Praise is frequently given to its hybrid design, which effortlessly blends the lush texture and dimensionality of tube amplification with the slam, grip, and lightning-fast transient response expected from world-class solid-state designs.

Integrating this monoblock into a high-end system brings an effortless dynamic headroom and soundstage depth that brings buried nuances in your favorite recordings to life. Audiophiles seeking an uncompromised amplification solution that drives demanding speaker loads while preserving pure musical emotion will find this amplifier an essential centerpiece for an extraordinary, long-term listening experience.

Brand	PS Audio
Type	Power Amplifiers
Component Color	Silver
MSRP	$16,998.00
SKU #	101623
Serial #	PWM-A1-5G0059, PWM-A1-5G0060
Cosmetic Rating	7 - Good cosmetic condition with some minor visible cosmetic wear including surface wear showing on the top face and wear showing on the power button on the front face. This is not visible from listening position and does not impact the functionality of the amplifiers making this pair a great addition to any setup.
Functional Notes	Operational condition of this item is excellent, fully tested and no issues found.
Age	11 years
Owners	1
Service History	None