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VTL TL6.5 Series 2 Signature

Pris 135.000,00 kr.

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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.

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Lagerstatus: Bestillingsvare

Detaljer

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.

 

Fully balanced differential circuit with balanced in and out, and mirror-image layout

Simple 2-stage circuit topology with differential gain stage and output buffers for musical purity and integrity

Ultra low impedance output stage to drive any length of cable and any power amplifier/paralleled amplifier/subwoofer load

20 microfarad output capacitors for powerful bass control

Tube complement: 2 x 12AU7/ECC82 tubes

Gain switching between normal gain and low gain with 6dB gain reduction

Single fully balanced differential 95-step 70dB discrete resistor relay attenuator for all attenuation functions

New FET device output stage for more tube-like sound and simpler bias circuit

Improved current source for improved musicality and better single-ended operation

Zero Global NFB for vastly improved faster dynamic and tonal resolution, and unconditionally stable circuit, without any phase shift.

All audiophile grade capacitors in signal path with bypass system for improved HF resolution

Vastly improved lower impact and greater precision-regulated current-sourced shunt power supply

Teflon power supply bypass caps for improved top end

Microphonically damped tube gain stage for greater vibration noise elimination

 
SPECIFIKATIONER:
 
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


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