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| Our Price | $2,199.99 CAD |
An ultra-compact stereo power amplifier, powered by Hypex Ncore technology, designed to enable Bi-amping to reproduce real musical dynamics with high precision.
Latest Hypex Ncore amplifier technology, tuned by TEAC
The AP-505 employs a high-performance, energy-efficient Hypex Ncore power amplifier module which produces 130W + 130W in stereo/bi-amp modes or 250W in BTL mode. The module, which has undergone extensive listening tests before being carefully tuned and tweaked by our engineers, easily drives a wide range of speakers. In other words, it reproduces real musical dynamics with high precision.
Supporting Stereo, Bi-amp and BTL modes
Not only for conventional stereo mode with 130W + 130W of output power, this compact unit also provides versatile speaker drive modes, Bi-amp, and BTL modes by deploying a couple of AP-505 units side by side. The Bi-amp mode drives woofer and tweeter independently, while the BTL modes produce 250W of output power in each channel.
Full-metal, small footprint body for rigidity, stability, and elegance
Every external panel – at the front, top, and sides - is formed from high-grade aluminum alloy, firmly attached to the robust steel inner chassis. This method of construction helps reduce the transmission of mechanical vibration, ensuring that every single element inside the unit is allowed to perform at its best. Thanks to its convenient A4-sized footprint, the AP-505 easily slots into modern interiors where space efficiency is important, such as on a desktop. This is in stark contrast to most conventional bi-amp/BTL-capable power amplifiers which are usually bulky, full-width units.
Fully-balanced design
By employing a fully-balanced circuit design from the input section to the output stage, the AP-505 keeps the audio signal as unadulterated as possible as it moves through the amplifier, the result being extremely low distortion levels and an excellent signal-to-noise ratio (assisted by the effective elimination of common-mode noise).
Carefully selected components, exclusively designed for hi-fi applications
At the input stage, where sound quality is fundamentally defined, high-quality MUSES8820E dual op-amps are employed for both the XLR and RCA inputs. In the power supply section for the input stage, both the left and right channel rectifying circuits are completely independent of the power transformer onwards and employ four, high-capacity, 4700μF capacitors on each channel (8 in total), achieving clear soundstage separation between channels.
At the XLR input section, a well-designed circuit delivers excellent signal integrity, thanks in part to the elimination of coupling capacitors that can often lose audio information as a signal travels through them.
An oversized toroidal power transformer
In the power supply, the AP-505 employs a high-capacity toroidal-core transformer, with Schottky barrier diodes in the rectifying circuit. Unlike conventional diodes, Schottky barrier diodes reduce rectifier noise, leading to a ‘cleaner’ supply and a more stable delivery of current.
‘Pin-Point’ feet for easy installation
The AP-505 employs TEAC's patent-pending ‘Pin-Point’ feet. These comprise two separated metal sections in integrated housing. One has a spiked top and is attached to the bottom of the chassis, the other is a basin-shaped base that hangs down from the spiked section, with a flange-shaped cup to simplify installation. As a result of the unique design, the ‘Pin-Point’ feet considerably minimize vibrations and resonance, by virtue of the fact that the unit is supported on just three points, with a very small surface contact area. This arrangement reduces mid and low-frequency muddiness so improving the soundstage and enhancing fine sonic detail.
Passive-cooling design for silent operation
It makes no sense to design an amplifier that delivers excellent sound to a pair of speakers but which itself generates distracting operating noise from a cooling fan. From the outset, our engineers were determined to use a circuit and layout that would allow sufficient natural cooling, one that would allow the creation of a compact but powerful amplifier that didn’t need the help of a cooling fan.
Dual analog level meters signal musical momentum
Analog level meters on the front panel move in response to signal levels, giving a visually pleasing confirmation that the amplifier is doing its job. A four-step dimmer (bright, mid, dim off) allows users to adjust the intensity of the display to their taste, while a switchable sensitivity (±0dB, +20dB, movement off) allows you to enjoy more, less, or even no meter movement if preferred.
| LINE IN (Unbalance) | |
|---|---|
| Input sensitivity | 0.66V (Output 8Ω, THD 1%) |
| Connector | RCA Pin (gold-plated) × 1 pair |
| Input section - LINE IN (Balanced) | |
| Input impedance | 10kΩ or higher |
| Input sensitivity | 1.3V (Output 8Ω, THD 1%) |
| Connector | XLR (2: HOT) × 1 pair |
| Rate output over | |
| Dumping factor | 370 or higher, JEITA (20Hz to 20kHz, Output impedance: 22mΩ, 8Ω loaded) |
| Frequency response | 10Hz to 50,000Hz (+0dB, –5dB, 8Ω, 1W, JEITA) |
| Signal-to-Noise ratio | 113dB (8Ω, 1kHz, IHF-A) |
| Total harmonic distortion | 0.0015% (8Ω, 1kHz, 12.5W, JEITA) |
| BTL (Bridge) mode | 220W (8Ω, 1kHz, THD 0.8%) |
| Stereo, Bi-amp modes | 115W + 115W (4Ω, 1kHz, THD 0.8%) 70W + 70W (8Ω, 1kHz, THD 0.8%) |
| Maximum output power | |
| BTL (Bridge) mode | 250W (8Ω, 1kHz, JEITA) |
| Stereo, Bi-amp modes | 130W + 130W (4Ω, 1kHz, JEITA) 90W + 90W (8Ω, 1kHz, JEITA) |
| Compatible speaker impedance | |
| Included accessories | Power code, Owner's manual (incl. Warranty card) |
| Weight | 4.4kg / 9.7 lbs. |
| Overall dimensions | 290 × 84.5 × 271 mm / 11.4" × 3.3" × 10.7" (W × H × D) |
| Power consumption | 106W |
| Standby power | 0.1W or less (at Auto power-saving mode)0.1W or less (at Auto power-saving mode) |
| BTL (Bridge) mode | 8Ω to 16Ω |
| Stereo, Bi-amp modes | 4Ω to 16Ω |
| LINE IN (Unbalance) | |
| Input impedance | 10kΩ or higher |
| Speaker Outputs | |
| Connector | Screw type × 1 set (gold-plated, AWG8 and Banana-plug compatible) |
