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BAT REX 500 Power Amplifier
• Overview – BAT REX 500 Power Amplifier, released in 2023, is a flagship Class AB solid-state amplifier using N-channel MOSFET output stages and a dual-mono architecture for reference-level dynamics and authority.
• Power Architecture – Designed with Balanced Audio Technology’s SuperPak+ power supply and zero global feedback, the REX 500 delivers effortless control, fast transients, and unwavering stability into demanding loudspeaker loads.
• Sonic Performance – With spectral balance, expansive soundstaging, and deep transient grip, this amp scales orchestral crescendos and subtle passages alike, preserving musical detail and impact even at high listening levels.
• Specifications – BAT REX 500 Power Amplifier offers 500 watts per channel into 8 ohms and 1000 watts into 4 ohms, fully balanced input-to-output topology, wide 3 Hz–250 kHz bandwidth, high slew rate, and fuseless protection for uninterrupted power delivery.
• Dimensions – Approx. 483 mm (W) × 254 mm (H) × 597 mm (D), with a substantial chassis and thermal design that supports extended high-power operation without sag or coloration.
• Weight – Approximately 63 kg, reflecting massive power supplies, dual-mono construction, and extensive heatsinking to ensure long-term reliability and minimal distortion under load.
• Product Review –
https://www.hifinews.com/content/bat-rex-500-power-amplifier
https://www.stereophile.com/content/balanced-audio-technology-rex-500-power-amplifier
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BAT Rex2 Amplifier
Compelling 6-Bullet Sales-Focused Description – BAT Rex2 Amplifier
• Overview – BAT Rex2 Amplifier, released in 2010, is a Class A tube amplifier featuring fully balanced circuitry, high-current output.
• Circuit Design – Built on Balanced Audio Technology’s zero-global-feedback, fully balanced topology, the design prioritizes signal purity, low noise, and exceptional channel separation across complex musical material.
• Sonic Character – BAT Rex2 Amplifier delivers commanding bass authority, expansive soundstage depth, and lifelike dynamic swings, maintaining composure with difficult speaker loads and high listening levels.
• Specifications – Rated at approximately 250 watts per channel into 8 ohms and 500 watts into 4 ohms, using MOSFET outputs, dual-mono power supplies, balanced inputs, and optional internal DAC or phono modules.
• Dimensions – Approximately 444 mm (W) × 235 mm (H) × 508 mm (D), housed in a resonance-controlled chassis engineered for thermal stability and long-term high-power operation.
• Weight – Approximately 49 kg, reflecting massive transformers, extensive power storage, and heavy-duty internal construction essential for sustained high-current performance.
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BAT VK-55SE
• Reference Tube Power – The BAT VK-55SE is a Class A/B fully balanced tube power amplifier using 6C33C output tubes, delivering rich harmonic texture, dynamic authority, and exceptional musical transparency for demanding systems.
• Balanced Circuit Topology – The VK-55SE employs BAT’s zero-feedback, fully differential design, ensuring superior linearity, reduced distortion, and a naturally dimensional presentation that enhances both microdetail and macro-dynamic expression.
• 6C33C Output Stage – Its rugged 6C33C triode tubes offer excellent current delivery and stability, enabling the amplifier to drive a wide range of speakers with control, fluidity, and refined tonal balance.
• Enhanced SE Upgrade – The Special Edition version features upgraded oil caps, improved transformers, and refined component selection, raising resolution, transparency, and dynamic nuance compared to the standard VK-55.
• Dimensions – Approx. 440 mm (W) × 203 mm (H) × 483 mm (D), designed for robust ventilation and compatibility with standard hi-fi rack spacing.
• Weight – Roughly 31–34 kg, attributed to the heavy-duty transformers, rigid chassis, and substantial tube power supply architecture.
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Balanced Audio Technology, commonly known as BAT, is an American high-end audio brand specialising in fully balanced tube and hybrid electronics. The brand’s design philosophy focuses on symmetrical circuit layouts, zero global feedback, and long-term signal stability.
BAT components are engineered for durability and serviceability, which allows pre-owned units to remain relevant in modern valve-based systems. Well-maintained BAT equipment continues to deliver musical realism and dynamic authority over extended ownership periods.
Across Singapore, Malaysia, and Southeast Asia, BAT is respected among audiophiles seeking reference-grade valve amplification. On SoundTribeAsia, BAT equipment — new and pre-owned — is listed by verified dealers, providing trusted access through a curated regional marketplace.