More than seven years after introducing the TL6.5 Signature Preamplifier to wide acclaim, VTL presents a significantly revised version, the TL6.5 Series II. The new model incorporates numerous circuit improvements while retaining the best elements of the TL6.5 platform. The proven strengths of the original system design include a single chassis architecture, a fully balanced differential design, a hybrid circuit that combines tubes in the gain stage for voltage linearity, with a FET buffer for greater current capacity, a high resolution volume control with high overload capability, and precision-regulated power supplies. The highly-regarded user interface of the TL6.5 platform is renowned for its intuitive functionality and ease of use, with full-function remote control, and a fully bi-directional RS-232 control interface for increased compatibility with modern home theater systems. 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.
Specifications 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 NORM: 14 dB single ended, 19.2 dB balanced LOW: 7 dB single ended, 13 dB balanced Output impedance 50Ω (500Ω @ 20Hz) Input impedance Balanced: 112kΩ (36kΩ min) Single ended: 54kΩ (18kΩ min) Frequency Response +0, -o.3 dB 10Hz – 200kHz, into 5kΩ 1000pF load Maximum Output Voltage <1% THD 13V 10Hz – 200kHz into >5kΩ load 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 46lbs (20.86Kg) unpacked, 57lbs (25.85Kg) fully packed
This is our floor demo in excellent condition.
Box, manual, and remote.
Re: VTL TL-6.5 II Signature Line Stage
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