RAAL-requisite HSA-1b | Headphone & Speaker Amplifier
$96.59
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| Our Take If you love the SR1a, but want more of the incredible soundstage and vivid imaging, and more of the neutral, realistic delivery, the HSA-1b gives you just that.
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From RAAL-requisite
The HSA-1b is a the perfect pair for the RAAL-requisite SR1a, but it can also be used to drive speakers and a wide variety of other headphones.
Headphone & Speaker Amplifier
Direct drive amplifier for True-Ribbon Earfield Monitor headphones, speakers, conventional dynamic, and planar magnetic headphones.
Input Options
Unbalanced, Single-Ended RCA. True-Balanced, XLR.
24 Step Attenuator.
Precision 24-step attenuator for rock-solid left/right balance at all listening levels.
Specs
| Load Impedance: | 0.3 Ohm – infinity |
| Output Power (one chanel driven): | 10W /8Ω, 20W/4Ω, 40W/2Ω, 55W/1Ω @ 1khz/sine |
| Ribbon & Headphones Drive: | RAAL-requisite SR-1a, Dynamic & Planar Magnetic |
| Speaker Drive: | 8Ω, 4Ω, & 2Ω Loads |
| Freq. Response: | 100mv/ in/sin. 15hz – 500kHz |
| Power Bandwidth: | 100kHz (-3db) at 1khz |
| Distortion: | < 0,5% at 1khz |
| Signal to Noise Ratio: | Better than 90dB |
| Input Impedance: | 40 kOhm |
| Sensitivity: | 0,5V /40kOhm |
| Input: | IN1- 2 RCA, IN2 – 2 XLR |
| Max Power Consumption: | 150W , without signal 25W |
| Dimensions: | H 90, W 218, D 320mm (3.54 x 8.58 x 12.60 inches) |
| Weight: | 5,3kg (11.68 pounds) |
| Price: | $4,500 USD |
| Optional: | Waterproof Flight Case w/Handle & Casters $350 USD |
| Selectable Mains Volatge: | 115/230V (100V available for Japan) |
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