VTL TL6.5 Series II Signature Line Preamplifier

VTL


Type: Amplifiers

The TL-6.5 Series II incorporates most of the advanced technology found in VTL’s flagship preamplifier, the TL-7.5 Series III, for a dramatically higher level of performance compared to the original design. The new version features an extensively revised power supply based on current-sourced shunt regulator technology that minimizes impact on the audio signal. Far more precise power regulation yields dramatically improved rejection of noise and AC fluctuation.

The completely redesigned high current gain stage utilizes newly available FET technology developed for green technologies such as solar panels and electric cars that require a normally-on state. Unlike MOSFETs that need to be biased on, normally-on devices operate more like vacuum tubes in the audio output stage, with simpler circuits that continuously conduct current, resulting in a more tube-like sound. The high-current gain stage is shock-mounted like the TL-7.5, and has been further optimized for linearity, with zero global negative feedback.

Also included in the upgrade are re-voiced audiophile grade capacitors and additional bypassing.

Enhancements to the Series II result in an overall more tube-like sonic character, with more defined images in the listening space, a higher level of inner detail, and a dramatically improved mid-bass and midrange. The TL6.5 Series II is an exceptional match with any of VTL’s other Signature products.

 

   
 
Vacuum Tube Complement 2 x 12AU7
Inputs 3 pairs balanced/XLR or RCA single-ended, 5 pairs single-ended/RCA
Outputs 1 pair balanced out, 2 pairs single-ended RCA out, 2 pairs single-ended RCA buffered Tape Out
Remote control functions Power, Source Select, Volume up/down, Mute, Fade, Balance Control, Phase Reverse
Gain Balanced in and Balanced out: 19.2 dB, Single-ended in and Balanced out: 19.2 dB
Balanced in and Single-ended out: 13.2 dB, Single-ended in and Single-ended out: 13.2 dB
Output impedance 25Ω, Max 150Ω @ 10Hz
Input impedance 50kΩ, 20kΩ min
Frequency Response +0 -1 dB 1Hz – 200kHz (20Hz – 100kHz +0–1dB into 600Ω with 900pF 20’ interconnect cable)
Maximum Output Voltage <1% THD 30V into 10kΩ or above (10Hz – 200kHz, +/-1dB) 10V into 600Ω
Channel separation >100dB @ 1kHz (>80dB @ 20kHz)
Power consumption 150W
Dimensions W x D x H 17.5 x 17.5 x 6 inches (44.5 x 44.5 x 15.3 cm)
Weight 48lbs (21.8Kg) unpacked, 55lbs (24.95Kg) fully packed



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