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The VTL TL-7.5 Series III Reference Preamplifier is a flagship two-chassis design separating audio circuitry from power supply and controls to minimize noise. It employs a hybrid topology with 12AU7 tubes in the gain stage for voltage linearity and FET-based output buffers for current drive, incorporating zero global negative feedback for enhanced dynamics and tonal resolution. Key upgrades include a current-sourced shunt-regulated power supply, audiophile-grade Mundorf capacitors, microphonically damped tubes, and a 95-step relay attenuator using ruthenium relays. It offers intuitive user interface with RS-232 control, programmable inputs, and compatibility with modern systems, delivering exceptional coherence, transparency, and tube-like sound.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The MB-450 Series III Signature's thd is 2.500% against the TL-7.5 III's 1.000%, its input impedance 42000Ω against 50000Ω, and its depth 460 mm against 445 mm. Both share class (Tube).
Both turn up in the same documented systems.
The S-200's thd is 2.500% against the TL-7.5 III's 1.000%, its input impedance 45000Ω against 50000Ω, and its width 457 mm against 445 mm. Both share class (Tube).
The NHB-18 NS Mk1's output impedance is 75Ω against the TL-7.5 III's 25Ω, its input impedance 30000Ω against 50000Ω, and its width 440 mm against 445 mm. Both share thd (1.000%).
Both turn up in the same documented systems.
The PR-Z1's thd is 0.500% against the TL-7.5 III's 1.000%, its height 95 mm against 102 mm, and its width 460 mm against 445 mm. Both share class (Tube).
TL-6.5 II Signature
Convergent Audio Technology SL1 III
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