Description
A high-performance integrated amplifier with balanced input capability, the AX-505B Stereo Integrated amplifier delivers every nuance of your music.
Latest Hypex Ncore amplifier technology, tuned by TEAC
The AX-505 is based around a high-performance, energy-efficient Hypex Ncore power amplifier module which delivers 130W+ 130W of output power from a small unit. This isn’t a standard Ncore module – it has been carefully tuned by TEAC to deliver maximum musical expression from the full breadth of musical repertoire.
Carefully-selected parts, exclusively designed for hi-fi applications
From MUSE op-amps in the analog section – which fundamentally determines the amplifier’s sound quality – to ladder-resistor type volume controls, our engineers have carefully chosen all key components from ‘made for hi-fi’ ranges, wherever possible.
XLR balanced inputs
The AX-505 is equipped with a pair of XLR balanced analog audio inputs, designed to help minimize external noise picked up as an analog audio signal travels down the interconnect cable.
CCLC headphone amplifier circuit for maximum linearity
The AX-505 is also equipped with a 4-pole headphone output jack that supports a ‘ground-separate’ connection for excellent channel separation during headphone listening. The CCLC (Coupling Capacitor-less Circuit) headphone amplifier circuit design, meanwhile, eliminates coupling condensers in the circuit’s output stage. This reduces sonic coloration during processing, so delivering a more authentic audio signal to your headphones.
A high capacity toroidal-core power transformer
In the power supply section, the AX-505 employs a high-capacity toroidal-core power transformer along with Schottky barrier diodes in the rectifying circuit. The advantage of Schottky barrier diodes over conventional types is that they supply cleaner and more stable current, reducing rectifier noise in every part of the amplifier’s circuitry.
Passive-cooling design for silent operation
It makes no sense for an amplifier to deliver excellent sound to loudspeakers while generating spurious operating noise from a cooling fan. That is why our engineers paid special attention to the AX-505’s circuit and cabinet design, creating a parts layout that would allow for the natural removal of heat, so achieving a compact but powerful amplifier that doesn’t require a cooling fan.
Full-metal body for rigidity, stability, and elegance
It’s not just the front panel that’s firmly attached to the robust steel inner chassis. the top and side panels are affixed to it, too. This high standard of construction helps reduce mechanical vibration via heavy parts. A compact design with an A4-sized footprint, the AX-505 fits comfortably into even the smallest of modern spaces.
Plenty of inputs for maximum versatility
On the rear panel, connectors are located with a wide pitch between them, in order to allow the use of interconnects with bulky plugs. Three sets of RCA analog inputs offer you the potential of creating a full-scale hi-fi system, even if you start off using the AX-505 as part of a relatively minimalist desktop PC audio setup.
The AX-505 is also equipped with a set of wide-pitch, diagonally offset (for easy wiring) screw-type speaker terminals, capable of accommodating high-quality AWG8 gauge cables and banana plugs.
User-friendly interface for ease of use
In order to provide a more tactile response, the AX-505 employs a volume control with a machined aluminum knob for precise volume control, while a classic toggle is used to switch the amplifier on and off. The remote control, topped with a luxurious aluminum cover, allows you to adjust the volume in 0.5dB steps at moderate volumes.
Dual-level meters that track the pulse of your music
A pair of level meters that dance in time as volume levels change help add a visual dimension to your music while enhancing the amplifier’s considerable aesthetic appeal. A 4-step dimmer that can disable the meters or further emphasize movement (by increasing sensitivity by +20dB), can be chosen according to preference.
Even if the level meters are disabled and the backlight is switched off, you can still easily tell if the unit is turned on or off from distance, simply by noting the position of the toggle-type power switch.
Spec description
| Amplifier section | |
| Max output power | 130W + 130W (4Ω, 1kHz, JEITA) 90W + 90W (8Ω, 1kHz, JEITA) |
| Rated output power | 115W + 115W (4Ω, 1kHz, THD 0.8%) 70W + 70W (8Ω, 1kHz, THD 0.8%) |
| Total harmonic distortion | 0.002% (8Ω, 1kHz, 12.5W, JEITA) |
| Signal-to-Noise ratio | 110dB (8Ω, 1kHz, IHF-A) |
| Frequency response | 10Hz to 50kHz (-5dB, 8Ω, 1W, JEITA) |
| Input section | |
| LINE IN (Balanced) | |
| Connector | XLR (2: HOT) × 1 pair |
| Max input level | 3Vrms |
| LINE IN (Unbalance) | |
| Connector | RCA (gold-plated) × 3 pairs |
| Max input level | 2.5Vrms |
| Speaker output | |
| Connector | Screw-type × 1 set (gold-plated, Compatible with AWG8 and Banana-plugs) |
| Supported speaker impedance | 4Ω to 8Ω |
| Headphone output | |
| Connector | 1/8″ (3.5mm) 4-pole stereo jack |
| Type of connection | Ground separate |
| Max output power | 360mW + 360mW (32Ω loaded, THD 10%, JEITA) |
| Frequency response | 5Hz to 150kHz (–3dB) |
| Total harmonic distortion | 0.003% (Output power 30mW 32Ω loaded) |
| Signal-to-Noise ratio | 115dB |
| Power | AC220 to 240V, 50Hz (UK/Europe) |
| Power consumption | 110W |
| Standby power | 0.1W or less (at Auto-power saving mode) |
| Overall dimensions | 11.4″ × 3.2″ × 10.4″ / 290 × 81.2 × 264mm (W × H × D) |
| Weight | 9.27 lbs. / 4.2kg |
| Included accessories | Power cord, Remote control (RC-1332), AAA batteries × 2, Owner’s manual (incl. Warranty card) |
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