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Category: Power Amplifiers

Teac AP-505 - 2 Channel Power Amplifier

Key Features

High-Performance Amplifier Module

Uses a Hypex Ncore Class-D amplifier module customized by TEAC. Provides high efficiency, low distortion, and refined audio quality.

Multiple Operating Modes

Supports three output modes:

  • Stereo mode for normal two-channel use

  • Bi-Amp mode for high and low speaker sections

  • BTL (Bridge Tied Load) mode to combine both channels into a higher-powered mono output

Power Output

  • Approximately 130 W per channel into 4 ohms

  • Approximately 70 to 90 W per channel into 8 ohms

  • Up to around 250 W in BTL bridged mono mode

Balanced Circuit Design

Features a fully balanced signal path from input to output, helping reduce noise and improve signal purity.

Robust Power Supply

Built with a toroidal transformer and Schottky barrier diodes for stable, clean power delivery with low noise and strong dynamics.

Protection Circuitry

Includes protection against over-current, overheating, and over-voltage for safe, long-term reliability.

Analog Level Meters

Classic front-panel VU meters with adjustable brightness provide visual signal monitoring.

Balanced and Unbalanced Inputs

Supports XLR balanced inputs and RCA unbalanced inputs to work with a wide range of preamplifiers and audio sources.

Passive Cooling

Fanless cooling ensures silent operation and eliminates mechanical noise.

Description

Teac AP-505 – Stereo / Bridged Power Amplifier

High Output Power in Multiple Modes
Offers 130 W + 130 W into 4 Ω or 90 W + 90 W into 8 Ω in stereo or bi-amp mode; when bridged (BTL), delivers 250 W into 8 Ω.

strong>Low Distortion & Wide Frequency Response
THD is about 0.0015% at 8 Ω, 1 kHz, 12.5 W; frequency range spans from 10 Hz up to 50 kHz, giving clean, full-spectrum sound.

Balanced & Unbalanced Inputs
Includes both XLR (balanced) and RCA (unbalanced) input options to suit different source gear.

Fanless Cooling & Solid Build
Fully cooled via passive means—no fan noise; solid aluminum panels and steel chassis ensure minimal vibration.

Analog VU Meters & Stylish Design
Front panel meters with dimmable lighting, classic look with ‘Pin-Point’ feet to reduce resonance.

 

Specification Details
Brand TEAC
Model AP-505
Product Type 2-Channel Power Amplifier
Amplifier Type Class-D (Hypex Ncore Module)
Power Output (Stereo) 130W + 130W (8Ω, 1kHz, THD 0.003%)
170W + 170W (4Ω, 1kHz, THD 0.003%)
Power Output (BTL Mono) 250W (8Ω, 1kHz, THD 0.003%)
Inputs 1 × Balanced XLR Input, 1 × RCA Line Input
Outputs Speaker Terminals (Binding Posts), Trigger In/Out
Frequency Response 10Hz – 50kHz (+1, -3dB)
Signal-to-Noise Ratio 110 dB (Line In)
THD (Total Harmonic Distortion) 0.003% (1 kHz, 8Ω, 1W)
Analog Meters Dual Analog VU Meters with Dimmer Control
Cooling TEAC Passive Heat Sink Design (No Fan Noise)
Power Supply Toroidal-core Transformer, AC 100–240V, 50/60Hz
Dimensions 290 × 81.2 × 264 mm
Weight 4.2 kg
Color/Finish Black / Silver (Aluminum Front Panel with Dual Analog Meters)
Package Contents AP-505 Amplifier, Power Cord, User Manual
Warranty 1 Year Manufacturer Warranty

 

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