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Description
Teac HA507B Analog Headphone AmplifierTeac HA507B Analog Headphone Amplifier The Teac HA507B isnt just another headphone amplifier its a powerhouse of pure analog sound. Designed as a part of the TEAC Reference 500 Series, it masterfully combines advanced audio technology with an uncompromising dedication to sound quality. From its robust power supply circuit to its extensive connectivity options, this amplifier redefines what high fidelity audio truly means. Exceptional Power Supply for
Teac HA507B Analog Headphone Amplifier
The Teac HA507B isn’t just another headphone amplifier – it’s a powerhouse of pure analog sound. Designed as a part of the TEAC Reference 500 Series, it masterfully combines advanced audio technology with an uncompromising dedication to sound quality. From its robust power supply circuit to its extensive connectivity options, this amplifier redefines what high-fidelity audio truly means.
Exceptional Power Supply for Unmatched Audio Performance
The HA-507B is equipped with a robust power supply circuit that ensures exceptional driving power and a frequency response that extends far beyond its compact appearance. The amplifier’s design is geared toward providing a rich, immersive listening experience, making it a top choice for audiophiles seeking to elevate their headphone playback system.
Balanced and Unbalanced Outputs: Versatility at Its Best
One of the standout features of the Teac HA507B is its fully balanced/dual mono configuration. It boasts four powerful amplifier elements – left, right, positive, and negative – that deliver exceptional output power. With a 6,700mW + 6,700mW (32Ω) capacity at balanced output, the HA-507B is capable of driving even the most demanding, high-impedance headphones effortlessly.
For unbalanced headphones, the amplifier employs an active-ground configuration that maintains the signal ground level at zero voltage. This setup enhances the soundstage, providing an expansive audio experience that envelops the listener.
Optimized for All Headphone Types
The Teac HA507B doesn’t discriminate – it drives all types of headphones to their maximum potential. Whether you're using balanced outputs via Neutrik XLR or 4.4mm Pentaconn, or unbalanced outputs through 6.3mm and 3.5mm jacks, the HA-507B ensures optimal sound delivery.
With three adjustable gain levels – High, Mid, and Low – you can fine-tune the amplifier to suit your headphones, achieving the perfect balance of volume and clarity.
Pure Analog Preamp Mode for Enhanced Flexibility
Beyond its capabilities as a headphone amplifier, the HA-507B doubles as a pure analog preamplifier. When paired with TEAC's Reference 500 Series power amplifiers, it forms a compact yet powerful separate amplifier system. The preamp pass-through mode lets users connect high-end external preamps, maintaining full control over gain and L/R balance functions.
Advanced Volume Control for Precise Adjustments
TEAC’s newly developed TEAC-QVCS Advanced volume control circuit takes precision to a whole new level. This ladder resistor volume control system minimizes signal degradation by maintaining the shortest signal paths. With 0.25dB increments, it offers smooth volume transitions, ensuring zero crosstalk and delivering a crystal-clear audio experience.
Impeccable Build Quality and Mechanical Design
The HA-507B is as much a visual masterpiece as it is an auditory one. Constructed with a 2.8mm thick aluminum top panel and housed in a compact A4-sized chassis, it exudes sophistication while maintaining heat dissipation efficiency. The semi-floating design, Stressless Foot, and precision-engineered knobs elevate the overall user experience, making every interaction feel premium.
Awards
Features at a glance
- High power, wide range, low distortion Class AB amplifier
- Fully balanced/dual mono configuration with four amplifier elements originally designed for speaker drive
- Exceptional headphone drive capability of 6,700mW + 6,700mW (32Ω) at balanced output
- Preamp pass-through function for use as a separate power amplifier for headphones
- Two balanced outputs: XLR 4-pin × 1, 4.4mm Pentaconn × 1
- Unbalanced outputs: 6.3mm × 1, 3.5mm × 1
- Switchable headphone output gain (high/mid/low)
- Premium compact preamplifier built on TEAC’s unparalleled excellence in audio design
- Fully balanced/dual mono configuration
- “TEAC-QVCS Advanced” with new super high precision, ladder resistor network
- Smooth, precise volume control in 0.25dB increments
- Lossless, long life FET input switching system without mechanical contacts
- “TEAC-HCLD 2 (High Current Line Driver 2)” provides fast and powerful external amplifier drive capability.
- Inputs: XLR × 2, RCA × 2
- Outputs: XLR × 1, RCA × 1
- Two independent power supplies (one for audio circuits and one for control circuits)
- Large toroidal power transformers with separate left and right windings exclusive for audio circuits
- 18,800μF per channel dual-mono configuration for dynamic, responsive sound
- Low-feedback, discrete power rectification circuitry for excellent dynamics and imaging
- High-quality power components, high-speed Schottky barrier diodes.
- Compact yet rugged A4-size aluminum chassis suitable for both audio rack and desktop applications
- Semi-floating 2.8mm thick aluminum top plate
- Stressless metal feet with three-point support for precise imaging and natural sound characteristics
- Fanless, highly efficient heat dissipation design
- Preamp pass-through for AV surround systems
- Trigger in/through terminals
- High grade aluminum knobs with patent-pending mechanism to prevent off-axis shaft movement
- RC-1340 dedicated remote control (AAA × 2), motorized volume control
* Design and specifications subject to change without notice.
Enhanced Input Switching and Connectivity
The HA-507B features two XLRx2 and two RCAx2 input connectors, allowing seamless integration with various analog devices. The FET input switching system eliminates mechanical contacts, preserving signal integrity and prolonging the amplifier’s lifespan.
Spec Description
- Analog audio inputs
- Balanced : XLR × 2 pairs
Input impedance : 40kΩ
Maximum input signal voltage : 6Vrms - Unbalanced : RCA × 2 pairs
Input impedance : 20kΩ
Maximum input signal voltage : 3Vrms - Analog audio outputs
Balanced : XLR × 1 pair
Output impedance : 50Ω
Maximum output voltage : 7Vrms - Unbalanced : RCA × 1 pair
- Output impedance : 100Ω
- Maximum output voltage : 3.5Vrms
- Headphone outputs
Balanced
4-pin XLR × 1
4.4mm 5-pole stereo jack (Pentaconn) × 1 - Rated output
6,700mW + 6,700mW (into 32Ω)
4,200mW + 4,200mW (into 100Ω)
1,800mW + 1,800mW (into 300Ω)
950mW + 950mW (into 600Ω) - Unbalanced
6.3mm (¼”) stereo jack × 1
3.5mm (&frac1/8;”) stereo mini jack × 1 - 定格出力
2,300mW + 2,300mW (into 32Ω)
1,200mW + 1,200mW (into 100Ω)
480mW + 480mW (into 300Ω)
250mW + 250mW (into 600Ω) - Applicable load impedance : 16 to 600Ω
- General
Power supply : AC 100V、50/60Hz
Power consumption : 30W (0.3W in standby)
Oveall dimensions (W × H × D) : 290 × 84.5 × 243.9mm / 11-½” × 3-⅜” × 9-⅝” (including protrusions)
Weight : 4.6kg / 10-¼ lb - Included accessories : Power cord, Remote control (RC-1340), AAA Batteries for remote control × 2, feet cushions × 3, Owner's Manual (with warranty)
Audio performance - Frequency response : 10Hz to 150kHz (+1/–4dB)
- THD +N : 0.0006％ (1kHz, LPF: 20kHz)
- S/N ratio : 110dB (A-weight, 1kHz)
Measurement conditions : Input RCA 2Vrms, Output RCA 2Vrms
Design and specification may subject to change without notice.
DRoHS complied
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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