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TAD EVOLUTION INTEGRATED AMPLIFIER TAD-A1000
TAD EVOLUTION INTEGRATED AMPLIFIER TAD-A1000
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Description
INNOVATIONS TRANSFORM YOUR AUDIO EXPERIENCES
The first integrated amplifier from TAD—born from the fusion of our preamplifier and power amplifier technologies.Designed and engineered to reproduce the artist’s intent with absolute purity, the TAD-A1000 embodies the philosophy, materials, and mechanisms that bring music to life as it was meant to be heard.
Ultimate symmetry in circuitry and layout
In the TAD-A1000, the circuit pattern and components are symmetrically arranged along the center of the chassis on the audio motherboard of the critical preamplification circuit to suppress even the slightest amplification errors between positive and negative signals, as well as between right and left channels. The pursuit of perfect symmetry extends further. We have laid out three power transformers, the chassis construction, and rear-panel jacks symmetrically to achieve optimal structural weight distribution and vibration balance.
High-capacity transformer with greater purity and efficiency
The internal coils of TAD-A1000’s high-capacity toroidal transformers are directly connected to its power supply circuit. The cross-section of the transformer core was designed in a circular shape to enhance the contact between the core and coils, thereby minimizing unwanted leakage magnetic flux and vibrations. This design results in a power supply with improved purity. Extremely low energy-conversion loss, thanks to the strong coupling between the primary and secondary winding of the transformer, low load fluctuations resulting from parallel winding, and the use of TAD’ s proprietary 33,000 μF electrolytic capacitors contribute to the analog power supply’s enhanced driving capability, even under abrupt load fluctuations, and outstanding high-speed responsiveness.
Immaculate preamplification circuit
The TAD-A1000’s flat amplifier in the preamplification stage features a high-performance, single-stage current-feedback amplifier, initially developed for Reference Series preamplifiers. To optimize signal complementarity, we evaluated the performance characteristics of each FET device and selected matching pairs for positive and negative elements in the TAD-A1000. This attention to detail has substantially enhanced the stability of its preamplification circuit.
Delivering 500W of Total Power
The integration of an analog power supply circuit comprising twin high-capacity toroidal transformers and electrolytic capacitors with a Class-D output stage established the foundation for a pure amplification stage and an exceptionally high-speed and powerful response. Direct FET devices with ultra-low on-resistance in leadless packages facilitate signals with sharp rising edges. The highly efficient Class-D output stage, which generates minimum heat and eliminates the need for conventional heat sinks, delivers an impressive 250 watts of power per channel.
Center-mounted, ball-bearing-supported volume knob
The volume knob exudes an exquisite aesthetic and tactile experience. It is meticulously mounted on high-precision ball bearings, ensuring an exceptionally smooth and effortless rotation, a hallmark of TAD’s hi-fi audio components. The center-mounted design of the volume knob signifies the symmetrical arrangement of the internal circuits. The TAD-A1000 adheres to a design language shared with other offerings in the Evolution Series.
Elaborate vibration-control design
Inside the TAD-A1000, four independent chambers isolate the preamplifier, power amplifier, transformer, and control circuits, effectively suppressing vibration and maintaining stable grounding. The power supply section, both mechanically and electrically shielded, minimizes noise to ensure the purest possible signal transmission. Three feet with internally inverted spikes decouple the chassis from floor-borne vibrations, delivering tighter, more dynamic sound and a naturally expansive spatial image. Heavy-duty terminals—identical to those used in the Reference Series power amplifiers—provide secure cable connections and outstanding signal integrity.
TAD’s custom-made parts and components
The TAD-A1000 incorporates numerous custom-designed components to achieve exceptional sound purity. Its precision electronic volume control delivers ultra-low distortion, while nonmagnetic parts and gold-plated OFC wiring ensure the highest signal integrity. In the power stage, four large-capacity electrolytic capacitors—developed through extensive testing and listening—provide powerful, responsive energy delivery.
Specifications
Specifications
| Model No. | TAD-A1000 |
| Power Output | 250 W at 1kHz, 4Ω |
| Rated Distortion | Less than 0.05% at 1kHz, 125W, 4Ω |
| Signal-to-Noise Ratio | 100 dB or More |
| Frequency Response | 10Hz to 50kHz (+0 / -3dB) |
| Gain (Balanced) | 41.5 dB |
| Input Terminals |
4 × Balanced Inputs (100kΩ) 2 × Unbalanced Inputs (50kΩ) |
| Power Requirements |
AC 120V, 60Hz (USA) AC 220V–230V, 50Hz/60Hz (Europe/Asia) |
| Power Consumption | 130 W |
| Standby Power Consumption | 0.5 W or Less |
| Dimensions |
440 × 200 × 553 mm (W × H × D) 17-5/16 × 7-7/8 × 21-3/4 in. (W × H × D) |
| Weight | 29 kg (63.9 lb) |
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Delivery & Returns
Delivery & Returns
We offer FREE delivery to the mainland UK (excluding Channel Islands, Isle of Man, Isle of White, Isles of Scilly, and some of the remote Scottish Isles).
For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.
Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.
Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.
