Bakoon Products SCL CAP-1003 Small Headphone Amplifier
Product code: cap1003Bakoon Products SCL CAP-1003 Small Headphone Amplifier
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Pursuing the best sound even in a small size
A headphone amplifier that fits in the palm of your hand!
Achieves pure Class A, no feedback, and ultra-low noise. Enjoy high-quality audio for both music and movies in a very compact size
The CAP series was created to provide a high-quality music experience in a small size that fits perfectly into tight spaces. The CAP-1003 is an ultra-compact headphone amplifier measuring only 75(W) × 30(H) × 100(D) mm and weighing 180g.
High-FidelityPure Class A, no feedback design for wide bandwidth
- Pure Class A operation: The output stage is designed to operate in pure Class A, providing high-quality sound that allows you to fully enjoy not only music but also movie audio.
- No-feedback amplifier: As a no-feedback amplifier, it has a wide frequency response and excellent transient characteristics.
- Frequency response: The -3dB frequency reaches 3.28 MHz. At 100kHz, both phase and frequency response are flat, delivering clean reproduction of square waves.
- Powerful drive: Equipped with the newly developed IC "HBFBC" in a powerful output circuit to drive headphones. It drives low-impedance headphones strongly, and the combination of low noise allows even fine details to be clearly heard.
Ultra-low noise and clear playback
- Exceptional S/N ratio: Noise is 0.0011mV, achieving an astonishing S/N ratio of -119.2dB.
- Undistorted low-volume playback: The noise characteristics of the output circuit combined with HBFBC are excellent, ensuring undistorted playback even at low volumes.
Stable operation powered by mobile batteries
- DC 5V operation: The power supply can be +5V from USB or a mobile battery, internally converted to ±5V for stable operation.
- Avoiding noise interference: By using a high-capacity mobile battery, the CAP-1003 can operate in optimal condition without being affected by noise from commercial power sources.
Convenient input system
- Two input options: It is equipped with two inputs: RCA input and mini phone jack input.
- Switching: It can be selected by the input switch on the front.
It is used to input the headphone jack output of a smartphone, tablet, mobile music player, etc., and plays a role in reducing distortion by reducing the load on the player's headphone output.
| Maximum power | 8V (1% crooked) |
|---|---|
| Skew (1KHz) | 1mW: 0.009% |
| S/N Ratio | -120dB(GAIN 0dB) |
| Frequency response | 20Hz~1MHz(-3db) |
| Phase characteristics | 0°(100KHz), 45°(10MHz) |
| Dimensions | W75x H30x D100mm |
| Weight | 180g |
| Power supply | 5V0.7A DC |
Small but fresh reproduction sound
Although the CAP-1003 has a very compact chassis, the reproduced sound is clear and fresh. The sound rises quickly, and you can clearly feel the sense of attack and rhythm sharpness, which are important when playing headphones. There is less ambiguity and faltering that is common with small amps, and the outline of the music comes out naturally.
Transparency and low noise typical of SATRI circuits
As it seems to be designed using the SATRI circuit, the background is quiet and there is little noise. The goodness of S/N stands out, and the faint sound and aftertaste are reproduced without being buried. The tone is quirky and does not feel overly colored, so the individuality of the DAC and source device to be connected is honestly reflected.
Good resolution and localization
The focus of the sound image is good and the localization is sharp. The separation between the left and right sides is clear, the vocals are stable in the center, and the placement of the instruments is easy to grasp. The sound field is not in the direction of expanding more than necessary, but is characterized by a natural sense of scale and good cohesion.
Compatibility with headphones
The mid and low frequencies do not exaggerate the sense of volume, and the reproduction tends to be tight. The high frequencies have fine grain and are less likely to cause irritation. It shows easy driving even with headphones with different efficiency and impedance, and is said to be able to play stably regardless of the music genre.
Perfection for desktop applications
It offers an excellent balance between size and sound quality, making it easy to use as a core desktop audio. Although it has a simple composition, the design philosophy that emphasizes sound purity and good response is consistently felt.
Overall Evaluation
The CAP-1003 is a compact headphone amplifier that fully incorporates the characteristics of the SATRI circuit, such as transparency, a sense of speed, and low noise. It can be said to be a suitable device for users who want to carefully bring out the details of music while achieving natural, uncolored playback.
