RAAL-requisite HSA-1b | Headphone & Speaker Amplifier
$190.99
**DISCONTINUED: RAAL-requisite’s HSA-1B headphone and speaker amplifier is sold out and discontinued and will not be back in stock.Our TakeIf 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. Read the full review.From RAAL-requisiteThe…
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**DISCONTINUED: RAAL-requisite’s HSA-1B headphone and speaker amplifier is sold out and discontinued and will not be back in stock. |
| 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.
Read the full review. |
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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