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Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
The Singxer SA-1 V2 is a complete, high-performance headphone amplifier and preamplifier based on Class A architecture and fully balanced discrete circuits. Version 2 of the Singxer SA-1 features an optimized circuit design for lower output impedance and greater thrust.
Completely analog, no EMI interference caused by digital control disturbs the audio signal. ROHM input transistors ensure very low noise and excellent performance. The output stage uses multi-stage current amplification, similar to that found in a high-power amplifier. Each channel incorporates 2 pairs of ON Semiconductor 4A transistors to ensure sufficiently low internal resistance and high output power. These circuits also incorporate comprehensive protection against overcurrent, overload and short-circuit, as well as thermal protection, DC protection and turn-on time delay.
The SA-1 V2 also features a full range of connectors. Inputs include unbalanced RCA and balanced XLR. For headphone outputs, the amplifier offers balanced 4.4mm jack and 4-pole XLR, and unbalanced 6.35mm jack. On the preamplifier output side, the SA-1V2 offers an unbalanced RCA output and a balanced XLR output.
To adapt to all types of headphones, whether high-sensitivity or high-impedance models, the SA-1 V2 offers gain selection (low or high) via a bipolar switch on the front panel. A second switch selects the source (RCA or XLR). A third switch selects the impedance resistance mode for headphone outputs: LOW-Z is low resistance mode, HI-Z is high resistance mode. On the preamplifier outputs, the unbalanced output impedance is 22.5 ohms and the balanced output impedance is 45 ohms.
" Clearly the Singxer SA-1 is designed using instrumentation to make sure it delivers extremely low levels of noise and distortion. While our testing is stressful enough to show a slight weakness in driving low impedance headphones, the unit is nevertheless worthy of top of the class designation in my book. "
Technical characteristics
Specifications | |
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Product type | Headphone amplifier Preamplifier |
Amplification type | Class A |
Inputs | 1x Balanced XLR 1x Unbalanced RCA |
Outputs | 1x Balanced XLR 1x Unbalanced RCA 1x Balanced 4.4mm jack headphone output 1x Balanced XLR 4-pole headphone output 1x Unbalanced 6.35mm jack headphone output |
THD+N | -120dB @ 1kHz, A-Weighting, 20Hz - 22kHz -96dB @ low gain, 1kHz, A-Weighting, 20Hz-22kHz |
Noise level | 0.66µV @ Niveau de sortie max, SNR / DNR 147dB 300nV RMS @ Gain faible, A-Weighting, 20Hz-22kHz |
SNR | 147dB |
Headphone output power | Balanced output: 10000mW @ 16Ω Balanced output: 5500mW @ 32Ω Balanced output: 3100mW @68Ω Balanced output: 2000mW @ 120Ω Balanced output: 380mW @ 600Ω Unbalanced output: 500mW @ 16Ω Unbalanced output: 1375mW @ 32Ω Unbalanced output: 775mW @68Ω Unbalanced output: 500mW @ 120Ω Unbalanced output: 95mW @ 600Ω |
Gain levels | Unbalanced input, unbalanced output: low gain 0db, high gain 11db Unbalanced input, balanced output: low gain 6 dB, high gain 17 dB Balanced input, unbalanced output: low gain -6db, high gain 5db Balanced input, balanced output: low gain 0db, high gain 11db |
Output impedance levels | Low-impedance output impedance is 1.4 ohms (balanced) and 0.7 ohms (unbalanced). High-impedance output impedance is 11.4 ohms (balanced) and 10.7 ohms (unbalanced) |
General | |
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Power supply | 100-240V AC, 50/60Hz |
Dimensions | 234 x 170 x 46mm |
Chassis material | Aluminum |
Color | Black |
Weight | 1.8kg |
Conditionnement | 1x Singxer SA-1 V2 1x Power cable |
Input | XLR |
Input | RCA |
Output | XLR |
Output | Jack 4.4mm |
Output | RCA |
Output | Jack 6.35mm |
Color | Black |
Class | Class A / AB |
Remote Control | No |