FEATURES

• Fully balanced differential circuit – single-ended signal produces balanced signal at output
• Re-designed fully balanced differential input and driver stages for increased signal swing, bandwidth and stability
• Zero global Negative Feedback
• Shorter, faster feedback loop for greater tonal control without phase shift.
• Improved handling of loudspeaker loads for greater signal stability.
• The amplifier is unconditionally stable, without the need for any capacitor compensation.
• New current source for lower sonic impact in single-ended mode
• Lower impedance output stage for improved loudspeaker control
• Dramatically increased interleaving and coupling in the balanced VTL proprietary Reference output transformer, for wider bandwidth and zero ringing
• Variable user-adjustable DF feedback control to vary output impedance and damping factor for optimal matching to speaker load
• Software microprocessor controlled
  • Tetrode/Triode Switchable
  • Auto Bias, Fault Sensing
  • Current in-rush limiting
  • Standby Mute function; with reduced tube current for increased tube life
  • Fully bi-directional RS-232 control
• 650 watts per channel in tetrode; 330 watts per channel in triode
• Uses twelve 6550 or KT-88 tubes per monoblock
• Adjustable precision-regulated plate and screen supplies for stable operating point; discrete regulated input and driver supply for greater signal resolution and tonality
• Adjustable precision-regulated bias supply for greater signal resolution and noise rejection and improved isolation from mains supply variations; output operating point does not change with AC power fluctuations
• Improved Autobias and fault sensing system to operate in fully balanced differential mode; amplifier is fully protected against output tube failure; no need for precision matching of output tubes
• All premium Mundorf silver oil caps in signal path
• Film bypass of power supply caps for greater HF resolution
• Extruded aluminum front panel with luxurious, modern look – black and silver options available
• Precision regulated B+ and screen supplies
• Rigid construction and improved ventilation for lower operating temperature
• Factory upgradeable from Series I

SPECIFICATION

Vacuum Tube Complement 12 x 6550 or KT-88, 1 x 12AT7, 2 x 12BH7
Output power
20Hz – 20kHz <2.5% THD
Tetrode: 650W, Triode: 330W
Into 5Ω
Input sensitivity Variable between 1-2V, depending upon DF setting
Input impedance 45kΩ
Load setting 5Ω
Optimum load range 4Ω – 8Ω
S/N Ratio -110dB, 120 Hz
Power consumption Idle = 600W, Full power = 1500W
Primary mains fuse ratings 100/120V = 20A Ceramic Slo Blo, 220/240V = 10A Ceramic Slo Blo
Logic fuse 100/120V = 1A Ceramic Slo Blo, 220/240V = 1A Ceramic Slo Blo
Input fuse 100/120V = 2A Ceramic Slo Blo, 220/240V = 1A Ceramic Slo Blo
Filament fuse 100/120V = 2A Ceramic Slo Blo, 220/240V = 1A Ceramic Slo Blo
Secondary fuse rating Plate Fuse = 5A fast acting 600V, Screen Fuse = 0.75A fast acting 600V
Dimensions W x D x H 11.5 x 24 x 24 inches (29.2 x 61 x 61 cm)
Weight 200lbs (90Kg) per monoblock unpacked, 325lbs (147Kg) packed

Downloads

Our VTL partners

• Audio Destination

  Suite 7a, Market Walk, Tiverton, Devon, EX16 6BL

  01884 243 584

  www.audiodestination.co.uk

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• Audio Therapy

  Newcastle Upon Tyne

  07976 496218

  www.audiotherapyuk.com

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• Choice HiFi

  Denehurst Gardens, Richmond, Greater London TW10

  020 8392 1959

  www.choicehifi.com

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• Kronos AV

  Unit 2, Stanbridge Park, Staplefield Lane, Staplefield, RH17 6AS. UK.

  01444 400430

  8-9 Scotch Street Center, Dungannon, Co.Tyrone, BT70 1AR. Northern Ireland. UK.

  0343 523 6169

  www.kronosav.com

  Visit the Kronos AV page