RAAL-requisite HSA-1b Amplifier **IN STOCK**

Product SKU: HSA-1b

Only 1 left in stock

Regular price $4,500.00 Sale Save $-4,500.00 (Liquid error (sections/product-template.liquid line 196): divided by 0% OFF)

Found a better price? We can match it

Email me when available

Email me when this product is in stock again

(Fun fact: By filling out this form, you let us know there's demand for this item!)

We will only send you a follow-up email once the product becomes available. Your email address will not be shared with anyone else.

We are an Authorized U.S. Dealer

FREE fast 2-3 business day U.S. shipping on orders over $100
Need help or product is sold out? Call (212) 354-6424, Chat or Email us

Product Details from the Brand

Any mention of "us," "we," "our," etc is by RAAL-requisite, not Audio46

Headphone & Speaker Amplifier.

Direct drive amplifier for True-Ribbon Earfield Monitor headphones, speakers, conventional dynamic, and planar magnetic headphones.

Switch Drive.

Drive the SR1a, conventional headphones, or speakers.

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.

In the box

  • HSA-1b amplifier
  • HSA-1b power cable
  • Adaptor for low-efficiency headphones

HSA-1b - Headphone/Speaker Amplifier Specs

Load Impedance: 0.3 Ohm – infinity
Output Power (one channel 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)
Selectable Mains Voltage: 115/230V (100V available for Japan)
Warranty 5 years

Product Reviews

RAAL-requisite HSA-1b Amplifier **IN STOCK**


Your cart