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.

From MUSE op-amps in the analogue 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.

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.

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.

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

• 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 – AC120V, 60Hz / AC220 – 240V, 50/60Hz
• 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)
• Weight9.27 lbs. / 4.2kg
• Included accessoriesPower cord, Remote control (RC-1332), AAA batteries × 2, Owner’s manual (incl. Warranty card)