Preamplifiers — VTL TL6.5 Series II

Description, images, technical data and specifications

VTL TL6.5 Series II
Image source — © VTL

The TL6.5 Series II is a preamplifier from VTL, an American manufacturer known for considered tube-circuit engineering, built with comprehensive eight-input, five-output connectivity and a substantial output voltage. The TL6.5 Series II brings VTL's considered engineering to line-stage preamplification.

Key specs that matter

Three balanced XLR inputs and five single-ended RCA inputs are provided, with one balanced and four single-ended outputs - a comprehensive eight-input, five-output connectivity set. Gain is 14dB single-ended or 19.2dB balanced. Output voltage reaches a substantial 30V. Input impedance is 112k ohms balanced or 54k ohms single-ended, with output impedance at 50 ohms on both connections. Frequency response spans 10Hz to 20,000Hz within plus-or-minus 3dB. At 445 x 445 x 153mm and 20.86kg, the TL6.5 Series II maintains a substantial preamplifier chassis reflecting quality tube-circuit componentry.

Sound and use context

Expect the rich, harmonically engaging tonal character VTL's broader tube-informed engineering philosophy is known for, with the substantial 30V output voltage providing genuine headroom for driving demanding downstream amplifiers.

Pairing

The comprehensive eight-input, five-output connectivity comfortably accommodates an elaborate multi-source, multi-amplifier system, and the substantial 30V output provides genuine signal strength for driving a power amplifier directly.

Alternatives

VTL's broader amplifier catalogue offers natural, brand-coherent pairings for a fully VTL-voiced system.

Specifications

Model name
TL6.5 Series II
Analog inputs (balanced)
3
Analog inputs (single-ended)
5
Analog outputs (balanced)
1
Analog outputs (single-ended)
4
Gain (dBu)
14 dB single ended, 19.2 dB balanced
Input sensitivity (mV)
N/A
Output voltage (V)
30
Input impedance (balanced) (Ω)
112 000
Input impedance (single-ended) (Ω)
54 000
Output impedance (balanced) (Ω)
50
Output impedance (single-ended) (Ω)
50
Maximum output level (balanced) (dBu)
N/A
Maximum output level (single-ended) (dBu)
N/A
Volume control range (dBu)
N/A
Frequency response low +/- 3dB (Hz)
10
Frequency response high +/- 3dB (Hz)
20 000
Signal to Noise Ratio (SNR, unweighted) (dB)
N/A
Total Harmonic Distortion + Noise (THD+N) (%)
N/A
Dimensions (mm)
445 x 445 x 153
Weight (kg)
20.86
Official link
https://www.vtl.com/products/preamplifiers/tl6-5-ii-signature-preamplifier/