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Audison Thesis Amplifier

Audison Thesis Amplifier
Call 416. 532. 6134 for Pricing In Stock (5)


Audison HV Venti - STEREO AMPLIFIER 2X400W

Audison has always aimed at the highest quality. Every product is unique. It is designed and developed in order to join the very best worldwide production; its special features make it peerless. Sometimes, however, choices have to depend on technical reasons, on the fact the product must be easy to use, on market demands. The Thesis brand, which indicates absolute Hi-End audison products, aims at escaping this indisputable reality. Thesis doesn't want to be a complete line of products, since only when Audison continuous research proves that something really special in terms of ideas, performances, materials may be created, can the development of a Thesis product begin. If a product doesn't meet these "utmost" features, it will not be a Thesis, alltough it will sport the Audison breand, which always means top level performance.
Thesis is a direct link between audiophile designers and audiophile enthusiasts, who always, simply, look for the best in a common passion: listening to music.

- Innovative "Dual Power" function allows to configure the amplifier for two output powersets: Hi Current or Hi Power.
- "Dual Bias" selectors permit to change Class A percentage and the amplifier relatedidling current.
- Crossover module with selectable cut-off frequency provided as accessory. In orderto insert it, bypass module has to be removed, so that when the crossover isn't used,signal path is minimized.
- Cooling system realized with heatsink, natural convection, and a pair of fans for eachheatsink side which let air flow within side cooling ducts.
- ASC (Amplifier Status Control): microprocessor based unit designed to manage everyamplifier operations. It shows amplifier temperature, protection and others importantinformation about its the status.
- Innovative output power stage topology, discrete IGBT, realized with a complementarypair of Hitachi DMOS driving two pair of complementary Sanken power BJT, each ratedfor 30A peak current and 200W dissipation.
- Balanced Class A biased driver with separate 150V Flyback power supply.
- Thermally stabilized with central fan independent from the others on the side ducts.
- Fully balanced JFET differential input preamplifier with output buffer for control unit.
- ABS inputs and ABS bypass outputs, decoupled through two audio-grade polypropylenecapacitors per channel.
- Four Synchro-PWM power supplies allow to obtain very fast transient current responseand to realize Dual Mono configuration.
- Wide range of protections: power limiter in case of loudspeakers shortcircuit or overload,over 90°C thermal protections, power output terminals shortcircuit to vehicle chassis,battery protection operating with voltage lower than 11V or higher than 16V, DC at outputterminals, power supply fuse.

Power Supply

- Power supply voltage: 11 - 16 VDC
- Idling current when off: 0.006 mA
- Minimum idling current: Hi Curr. Hi Pow.
- Low BIAS 4.2A 5.6A
- High BIAS 6.5A 10.4A
- Consumption @ 13.8 VDC 90A(1Ω) 100A(2Ω)

Amplifier stage

- Distortion - THD (1kHz): <0.05%
- Distortion - IMD (IHF): <0.05%
- Bandwidth (-3 dB): 4Hz - 75 kHz
- S/N Ratio (A weighed @1 V): 100 dB
- Damping factor (1kHz, 4 Ohms): 80
- Slew rate >20V/μs
- Input sensitivity (high): 0.25 - 1.6 VRMS
- Input sensitivity (low): 1 - 7 VRMS
- Input impedance: 22 kΩ
- Load impedance: Hi Curr. Hi Pow.
- Stereo 4 - 2 - 1Ω 4 - 2Ω
- Mono 4 - 2Ω 4Ω


- OUTPUT POWER (RMS) @13.8 VDC; THD 1%:

- Load (dual power) Hi Curr. Hi Pow.
- 2ch 4Ω 200W 400W
- 2ch 2Ω 400W 800W
- 2ch 1Ω 650W /
- Mono 4Ω 800W 1600W
- Mono 2Ω 1300W /

Filters / inputs

- Pre IN: L/R (ABS)
- Pre OUT (pre in bypass): L/R (ABS)
- Crossover frequencies High pass & Low pass stereo
- 45 - 55 - 65 - 80Hz, 12dB/oct.
- Lo-pass mono
- 45 - 55 - 65 - 80Hz, 24dB/oct.

Other functions

- Remote In: 7 - 16 VDC - 1 mA
- Demo mode ext. supply: 12 VDC - 600 mA
- Cap terminals: 18 VDC cap min
- Fuse (strip): 100 A


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