DRD 300B SET

Name: Welborne Labs DRD 300B SET
Brand: Welborne Labs

Welborne Labs

AmplifiersTube AmplifiersPower Amplifiers

Estimated price (community-sourced)

$1,732

About the DRD 300B SET

The Welborne Labs DRD 300B is a DIY single-ended tube monoblock amplifier designed for audiophiles seeking high-quality sound reproduction. It uses a direct reactance drive (DRD) circuit topology with a single 300B tube per monoblock, complemented by a 6N1P tube. The amplifier delivers 7 watts of output power in Class A operation with zero negative feedback, ensuring a pure and natural sound. It features a frequency response from 10Hz to 48kHz (-3dB) and an input sensitivity of 1.5 volts. The amplifier weighs approximately 25 pounds and is sold unassembled, including tubes and upgrades. The design emphasizes simplicity and high sound quality, with a focus on low distortion and excellent tonal balance across the frequency spectrum. The DRD 300B is known for its detailed midrange, controlled bass, and smooth high frequencies, making it a valued choice for tube amplifier enthusiasts.

Specifications

Key Specifications

Power: 7W

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