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AP-701 Stereo/Mono Power Amplifier, Black

Dual mono power amplifier with fully balanced structure and two custom made Hypex Electronics Ncore power amplifier modules

Complete dual mono design includes power supply

With two toroidal core power supply transformers and two Ncore modules, the extravagant circuitry has a complete dual mono structure from input to output. A dual mono structure, in which the channels are each completely mono, prevents interference between the left and right signals and achieves outstanding channel separation. This enables rich audio reproduction that provides a larger sound stage and more three dimensional sound.

High output with a practical maximum of 260 W + 260 W (4 Ω) / 170 W + 170 W (8 Ω)

Hypex Ncore power amplifier modules realize both high efficiency and high audio quality. These two amplifier modules, which were tuned and designed specifically for TEAC, drive the speakers without losing any of the original musical expression, from delicate pianissimo to powerful fortissimo.

Vibration control from flexible structure

The front, side and rear panels are secured with 3mm-thick heavy sheet metal as the primary material. Then, joints that provide suspension are used at the junctures of the front, side, rear and top panels. This enclosure with a flexible structure controls the vibration of the entire device to allow open and vibrant sound reproduction.

Fan-free design achieved with effective ventilation system

Despite the high output of this power amplifier, a fan-free design has been realized with circuit board placement calculated for airflow and precise layout of air inlets and outlets. Heat dispersion is increased by attaching the amplifier modules directly to the bottom panel. Along with the fin structure of the side panels, this reliably abates internal heat.

Extensive design for vibration control

A floating structure keeps the transformers, which can easily cause vibration, detached from the bottom panel. The form of the side panel fins, which provide heat dispersion, have been adjusted to eliminate vibration.

In order to suppress vibrations that affect audio quality thoroughly, the TEAC original pin-point feet that utlize a new mechanism are attached to the bottom panel with appropriate allowance, while a number of screws that fix the circuit boards to the chassis is minimized.

Numerous features for audio quality

The durability of input circuits is ensured by including slits between each connector. In addition, direct wiring without connectors is used from the input circuits to deliver input signals to the discrete buffer circuits without losing any of their clarity.

Low-profile body creates new potential in living spaces

A reduction in height, as well as the chassis depth, enables more freedom of placement. Whether in the living room or a workplace, you can use them to drive your favorite speakers as you like.

Features at a glance

  • Two Ncore power modules made by Hypex Electronics B.V., tuned especially for this model
  • High output with a practical maximum of 260 W + 260 W (4 Ω)/170 W + 170 W (8 Ω)
  • Dual mono design throughout entire system
  • Clean signal amplification realized with a fully balanced design at the input stage
  • Two independent left/right high-capacity toroidal core power supply transformers
  • Discrete buffer amplifiers used in the input stage
  • Three supporting pinpoint feet that are easy to install (patent numbers 4075477 and 3778108)
  • Two linked VU meters which show musical pulse; with four dimmer levels and two sensitivity settings
  • Fan-free design to minimize noise
  • 12V trigger in and through for power synchronization

Included accessories

  • Power cord
  • Feet cushions x3
  • Owner's manual
Product Attributes
Manufacturer number:AP-701-B
Product weight:9.9 kilograms
Dimensions and Weight
Product height: 11.1cm
Product width: 44.4cm
Product length: 34.8cm
Product weight: 9.9kg
Packsize height: 28.5cm
Packsize width: 49.8cm
Packsize length: 64cm
Packaged weight: 13.67kg
Audio Inputs
RCA: 1
Input level & impedance RCA: 1.6V & 32kΩ (in STEREO mode) 16kΩ (in BI-AMP mode)
XLR: 1
Input level & impedance XLR: 1.6V 64kΩ (in STEREO mode) 32kΩ (in BI-AMP mode)
Dynamic output (4Ω): 260 + 260W
Rated output (4Ω): 230 + 230W
THD at rated ouput (4Ω): 1%
Dynamic output (8Ω): 170 + 170W
Rated output (8Ω): 125 + 125W
THD at rated output (8Ω): 1%
S/N ratio: 110dB
Speaker impedance: 4-8Ω
Frequency response: 10-50000Hz
Channels: 2
12 volt trigger: In & Out
Energy Management
Power consumption: 0.4-210W