Thermionic Culture Ultra Vulture Stereo Valve Harmonic Distortion Unit

The Thermionic Culture Ultra Vulture builds on the foundation of the limited Culture Vulture 20th Anniversary model, bringing a set of refinements that make it the most capable version of the Vulture for stereo processing. Noise and minimum distortion have both been reduced compared to previous models, bandwidth has been extended with greater low-end depth and high-end response well beyond 20kHz, and a subtle lift of low and high frequencies adds clarity, size, and depth to stereo sources. A wide sweet spot across the controls—combined with excellent stereo matching—makes the Ultra Vulture a natural fit for stereo bus and mastering applications where consistent processing across both channels is essential. Specially designed transformers provide balanced inputs and outputs, and indented front panel controls facilitate precise stereo recall.

Key Features

• Lower noise and minimum distortion — improved specifications over previous Culture Vulture models for cleaner performance in critical listening environments
• Extended bandwidth — greater low-end extension and high-end response well beyond 20kHz; wider frequency range than previous Vulture versions
• Subtle low and high frequency lift — adds clarity, size, and depth to stereo sources without aggressive processing
• Wide sweet spot for stereo use — broad usable range across controls with excellent stereo channel matching; designed specifically for stereo processing
• Balanced inputs and outputs — via specially designed transformers; professional balanced connectivity throughout
• Distortion modes from the classic Culture Vulture — T (triode); P1 (pentode); P2; plus P3 setting
• Drive and Presence controls from the Culture Vulture Super 15 — Normal/+10dB/Overdrive Drive switch; Presence switch; full tonal control inherited from the Super 15
• Indented front panel controls — all controls indented for easy stereo recall and session matching

Specifications

• Channels: Stereo (2)
• Distortion Modes: T (triode); P1 (pentode); P2; P3
• Drive Switch: Normal; +10dB; Overdrive (from Culture Vulture Super 15)
• Presence Switch: Yes (from Culture Vulture Super 15)
• I/O: Balanced inputs and outputs; specially designed transformers
• Controls: Indented (front panel; for stereo recall)
• Bandwidth: Extended; high-end well beyond 20kHz
• Construction: Handcrafted in England