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VAC Statement 452 iQ Musicbloc

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VAC Statement 452 iQ Musicbloc
VAC Statement 452 iQ Musicbloc

Home / Shop

VAC Statement 452 iQ Musicbloc

The VAC Statement 452 iQ is the most exciting new amplifier in music reproduction today. It can be configured for 450 watt single-channel mono operation, or as a  225 watt/channel dual-mono amplifier.

If you have questions or would like to place an order, please contact our VAC experts.

(CA) 714-630-4100 - (TX) 817-320-3145
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A one-time price of $75,000.00 will be added to your order.
Manufacturer: VAC
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  • Specifications
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VAC Statement 452 iQ Musicbloc


Compared to the award-winning Statement 450, the new Statement 452 has greater headroom for unfettered musical impact, and a greater sense of body, space, and organic cohesiveness. You will hear more deeply into the recording space, catch delicate nuances in a singer’s phrasing you’ve not heard before; cymbals explode with more detail and energy, bass lines drive the music with more presence and playfulness... in short, the Statement 452 presents an absolute breakthrough in fidelity to the music.

The unconventional vertical architecture and lateral tube mounting play a large part in achieving this new sonic freedom. All relevant signal, power, and ground pathways in this hardwired amplifier are as short as possible, resulting in greatly increased resolution and dynamics. Truly, this is a ‘form follows function’ design.

The circuitry exploits VAC’s high speed parallel processing principle, with smaller parts that are willing to ‘jump’ electrically and magnetically with the music, where other amplifiers use large, musically ponderous components. There are a total of nine VAC design transformers in the Statement 452, in aggregate weighing 120 pounds, for perfect coupling combined with lightning fast speed.

The Statement 452 circuitry is fully balanced.  Provision is made for accepting single-ended inputs, converting them to balanced prior to amplification. With VAC’s Musicbloc™ design, switch settings allow the amplifier to be configured for 450 watt single-channel mono operation, or as a  225 watt/channel dual mono amplifier, all without any compromise in either mode. This means you can start a system with a single Statement 452, and add another later for more power; if you have a pair of Statement 452, you can run them as mono blocks, or in dual mono for bi-amplification. These amplifiers can grow with you and conform to changing system demands.

For reliability and optimal sound, the Statement 452 is equipped with VAC’s patented iQ Continuous Automatic Bias System. No need for a meter or screwdriver, the iQ system is on the job every second, and will even let you know when to change the Gold Lion KT88 output tubes. The VAC iQ Continuous Automatic Bias System (patent pending) is a true breakthrough in power amplifier design. 

If you love music, you owe it to yourself to hear what is possible; you owe it to yourself to hear the all new VAC Statement 452! There is more music in your recordings than you know!

MSRP: $75,000 / EA 





Vacuum tube power amplifier
Mono/dual-mono switchable Musicbloc™ configuration
Fully balanced circuitry
Class A1 direct-coupled triode input & driver circuitry

Power output

450 watts mono or 225 watt/channel dual-mono


2 XLR, fully balanced direct, pin 2 = positive phase
2 RCA for single-ended transformer-coupled input


8 x Gold Lion KT88
4 x TungSol 6SN7GTB


Power, Logo Illumination Level, Balanced/SE, Mono/Stereo

Bias control

Patented VAC iQ Continuous Automatic Bias System


VAC logo (front), VAC lightning bolt (top), eight iQ status LEDs


Factory set for 100, 120, 220, or 230/240 volts, 50-60 Hz.

Power Cord

Detachable IEC 15A power receptacle


Slow blow, a/k/a time delay type


Two years parts and labor, excluding tubes (USA, see manual for full details)


Tower is 28.3" high x 18.25" deep x 8.75" wide, plus connectors
Base outriggers width is 12", and adds 0.5" height, plus choice of feet

Shipping Weight

280 lbs. in custom flight case


Designed and manufactured in the United States

The VAC iQ System is protected by U.S. patent number 8,749,310, worldwide patents pending.

*Specifications subject to change without notice.

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