Vtl (Vacuum Tube Logic) S-200 Signature
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Model name
S-200 Signature
Input sensitivity (mV)
700
Input impedance (balanced) (Ω)
45 000
Input impedance (single-ended) (Ω)
45 000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Max current (A)
N/A
Output power (8Ω) (W)
Tetrode: 200, Triode: 100
Output power (4Ω) (W)
N/A
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
20 000
Signal to Noise Ratio (dB)
110
Total Harmonic Distortion + Noise (0% global feedback) (%)
N/A
Total Harmonic Distortion + Noise (100% global feedback) (%)
N/A
Max power consumption (W)
1000
Damping factor
N/A
Dimensions (mm)
470 x 457 x 230
Weight (kg)
54
Official link
Tube stereo power amplifier. Reference Series. Output power: At 4 ohms Tetrode - 400 Watts, Triode - 200 watts; At 8 ohms Tetrode - 300 Watts, Triode - 150 watts. The VTL S-400 power amplifier is part of the American company's Reference series of equipment. It uses a number of technical solutions used in the top-end Siegfried monoblock power units, but it has a stereo design. With a huge power of 400 watts per channel, which is enough to play any compositions with any speaker systems, the VTL S-400 is at the same time capable of transmitting the most subtle nuances of a piece of music.
The VTL ST-150 is a stereo amplifier with more than 150 watts per channel (300 watts stereo power) that delivers excellent sound clarity and sufficient power in one compact package, while delivering exceptionally realistic and detailed sound. The ST-150, made exclusively by hand by experienced craftsmen using the highest quality parts, is a high-quality, high-power stereo tube amplifier offered by VTL.
The VTL ST-85 is a compact stereo amplifier using 4 EL34 lamps, delivers a solid 60 watts of power per channel and offers full “VTL sound”, but at a real price. Using the classic "workhorse" approach that formed the basis of VTL sound, the EL34 models are made in a compact package with short signal transmission paths.