Teac HA-501 Full Analog Dual-Monoaural Headphone Amplifier (Black)

BH #TEHA501B • MFR #HA-501-B
Teac
Teac HA-501 Full Analog Dual-Monoaural Headphone Amplifier (Black)
Special Order
Expected availability: 2-4 weeks
$849.99
$71/mo. suggested payments.*
with 12 Mos. Promo Financing

Important Notice

  • This item is noncancelable and nonreturnable.
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Teac HA-501 Overview

  • 1Description
  • 2Discrete Class-A Amplifier Active with DC Servo Technology for Decreased Distortion
  • 3Dual Monaural Design that Eliminates Interference between Left and Right Channels
  • 4MUSES8920 Op-Amps Chip-Sets for High-End Quality
  • 5A Large Toroidal-Core Power Transformer
  • 6Damping Factor Selector to Optimize Headphone Characteristics
  • 7Total 2,800mA of Output Power Drives Your High Impedance Headphones
  • 8Robust Aluminum Body with a Classy Appearance
  • 9Well-Designed User Interface
  • 10Professional-Grade Input/Output Connectors
  • 11Switchable Output Mode for Flexibility
  • 12Additional Features

The black HA-501 Full Analog Dual-Monoaural Headphone Amplifier from Teac is a Class-A amplifier that delivers superior sound quality. Featuring a sleek and modern look with a rugged but compact design, the amplifier supplies regular headphone listeners with quality sound.

Pair it with your favorite headphones the same way you would a normal amplifier with favored speakers and take advantage of DC Servo Technology, Switchable Damping Factors, High Output Power, and a large Toroidal-Core Power Transformer, and relax to your favorite music or radio broadcast.

Discrete Class-A Amplifier Active with DC Servo Technology for Decreased Distortion

This amplifier utilizes Active DC Servo Technology in order to eliminate Offset Electrical Potential.

Dual Monaural Design that Eliminates Interference between Left and Right Channels

In regards to the circuit design, each channel is completely designed on an individual basis to avoid signal interface to/from another. This contribution eliminates cross-talk, crucial headphone listening.

MUSES8920 Op-Amps Chip-Sets for High-End Quality

MUSES8920 Op-Amp Chip-Sets are designed for high-end audio. Employed individually on the Left and Right channels, they help achieve superior sound. This op-amp performs superb IV-conversion.

A Large Toroidal-Core Power Transformer

An over-sized Toroidal-core power transformer is also employed to supply stable current to the every part of the circuit.

Damping Factor Selector to Optimize Headphone Characteristics

Each pair of headphones has its Damping Factor, a resisting force against non-intentional movement of the diaphragm, moving air forward and backward as sound. Since headphones' diaphragms are activated by a very small current, the damping factor increases, the sound is lean and crisp, and has a close relationship with headphones' impedance. Therefore, selecting the right Damping Factor is crucial in order for your headphones to perform at their peak potential. The HA-501 Amplifier provides 5 selectable Damping Factors, so users have the best suited signal for multiple headphones.

Total 2,800mA of Output Power Drives Your High Impedance Headphones

The HA-501 Amplifier achieves 1,400mW output power per channel at 32Ω impedance. The device delivers not only enough power to drive standard headphones with an impedance range from 80 to 250Ω, but also high-class 600Ω hi-fi headphones.

Robust Aluminum Body with a Classy Appearance

The HA-501 Amplifier has a small footprint and classy appearance, and is constructed with aluminum panels to create an authentic but modern looking hi-fi component. A robust metal construction helps eliminate vibrations that may affect the sound quality. The bottom and sidewalls are formed with a steel chassis, aluminum for the front panel and the rear panel out of steel. In order to ensure its rugged design, each panel is connected with a beam that runs through the center of the unit.

Well-Designed User Interface

Another feature of the HA-501 Amplifier is its user-friendly design. The firm-torqued volume control allows users to adjust the volume level with ease and precision while the toggle-type power switch assures On/Off operation at a glance. Auto-muting function protects your ears from unexpected loud sounds when switching between headphones with different levels of impedance.

Professional-Grade Input/Output Connectors

On the rear panel, a pair of Neutrik brand XLR input connectors allow users to connect high-end components or professional audio equipment, while wider-pitch RCA pin jacks allow user to connect large-shaft RCA pin cables from other markets. A detachable type 3-polar power inlet socket is also available. On the front, a 3.5mm stereo mini-jack allows users to connect a portable music player, such as an iPod, conveniently.

Switchable Output Mode for Flexibility

Line output level from the rear panel can be switched amongst Fixed Level, Variable Level (coupled with volume), and Off.

Additional Features

The amplifier features a full-metal jacket with aluminum panels for front top and sides. Small footprint fits your desktop. It also features precisely machined aluminum knobs (Volume, Input Selector, Damping Factor Selector).

Teac HA-501 Specs

Form FactorTabletop
Number of Headphone ChannelsSingle Channel
Recommended Headphone Impedance16 to 600 Ohms
Headphone Output Power1400 mW per Side into 32 Ohms (Max)
135 mW per Side into 600 Ohms (Max)
600 mW per Side into 32 Ohms (Rated)
34 mW per Side into 600 Ohms (Rated)
Connectivity
Analog Audio I/O1 x 1/4" TRS Stereo Headphone Output
1 x 1/8" / 3.5 mm TRS Stereo Aux Input
2 x Stereo RCA Line Input
2 x XLR 3-Pin Balanced Input (1 Stereo Pair)
Performance
Frequency ResponseOutputs:
2 Hz to 100 kHz +0/-3 dB
10 Hz to 100 kHz ±3 dB
Impedance1/8" / 3.5 mm Aux Inputs:
13 Kilohms
RCA Line Inputs:
10 Kilohms
RCA Line Outputs:
100 Ohms
XLR Inputs:
20 Kilohms
THD 0.002% (32-Ohm Load)
0.01% (600 mW, 32-Ohm Load)
SNRRCA Inputs:
110 dB (1 kHz, A-Weighted)
Damping Factor76 at 32 Ohms (High Setting)
98 at 64 Ohms (High Setting)
97 at 120 Ohms (Mid Setting)
115 at 300 Ohms (Mid Setting)
118 at 600 Ohms (Low Setting)
Power
AC Input Power120 VAC, 60 Hz
230 VAC, 50 Hz
Power Consumption22 W
0 W (Standby)
Physical
Operating Temperature41 to 95°F / 5 to 35°C
Storage Temperature-4 to 131°F / -20 to 55°C
Operating Humidity5 to 85%
Dimensions11.4 x 9.6 x 3.2" / 290 x 244 x 81.2 mm
Weight9.0 lb / 4.1 kg
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