RAAL-requisite SR-1b Ribbon Headphones with Package Options
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RAAL-requisite SR-1b Ribbon Headphones with Package Options

$3,450.00
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Experience The Ultimate In Sound Resolution and Accuracy - RAAL-requisite SR-1b

RAAL-requisite SR-1b's Ribbon Driver with Earfield Technology delivers resolution, clarity, detail, and sound accuracy no other headphone can match. A simple yet effective Ribbon Driver is all the SR-1b needs to give you a sound experience you'll never forget.

raal requisite sr-1b side view

What's In The Box?

The RAAL-requisite SR-1b Basic Package comes with everything you need to experience a true Earfield Ribbon Driver sound:

  • SR1b Earfield Monitors™
  • TI-1b Ribbon/Amp Interface
  • 7' Headphone Y Cable

Opt for the Producer Pack and get a custom SR-1b Waterproof Flight Case.


Unbelievable Sound Performance - RAAL-requisite SR-1b

Lose yourself in a sea of detail with the SR-1b's incredible clarity and resolution. The SR-1b's Ribbon Driver and Earfield technology combine to deliver a mind-blowing speaker-like presentation.

Everything sounds correct on the SR-1b. Vocals sound true and life-like, and its incredible soundstage projects a very realistic soundscape with impressively accurate sound placement - you'll find yourself marveling at the detail and clarity of every sound in your favorite recordings.

raal requisite sr-1b front view

Simply Extraordinary - RAAL-requisite SR-1b Ribbon Drivers

The SR-1b's transducer setup is comically simple - just a single strip of lightweight aluminum attached at two points acts as the voice coil, suspension, and diaphragm. This piece of aluminum is all the SR-1b needs to deliver its incredibly accurate and realistic sound.

The SR-1b is the pinnacle of headphone sound resolution, detail, and sound accuracy - you'll have to dig very deep to experience the same sound performance as other headphones with traditional drivers.

raal requisite sr-1b ribbon driver close up view

Exquisite Materials and Build Quality - RAAL-requisite SR-1b

The RAAL-requisite SR-1b is incredibly simple yet elegant at the same time.

The SR-1b's retro-inspired look features exquisite materials such as leather and carbon fiber in its headband and ear cups. The best part? Every component on the SR-1b is designed to be easily replaceable when needed - including the unique Ribbon Drivers.

raal requisite sr-1b head cushion close up view

Unbelievably Comfortable - SR-1b Ribbon Headphones

The SR-1b is incredibly lightweight - the ribbon drivers weigh next to nothing and those "ear cups" are made of ultra-lightweight carbon fiber, after all.

The SR-1b's headband straps are adjustable and finding the right fit is a no-brainer. Adjusting the Ribbon Driver shells is very easy as well. Rotate each side and find the right balance of sound and comfort.

raal requisite sr-1b leather headband view

RAAL-requisite SR-1b Frequency Response

The RAAL-requisite SR-1b Ribbon covers frequencies between 20-20kHz - allowing for a wide range of frequencies to be reproduced accurately.

RAAL-requisite SR-1b Price

The RAAL-requisite SR-1b is true Ribbon Driver headphone from RAAL-requisite. Priced at $3,450.00, the SR-1b delivers incredible resolution, detail, and a speaker-like sound in a unique open driver setup.


RAAL-requisite SR-1b Specs

Specification Description
Driver: 100mm x 19mm Corrugated Pure Aluminum True-Ribbon
Driver matching: Triple Measured, Matched Pair
Nominal Impedance: 0.02 Ω (0.25Ω with SC2/Star-8 Cables)
Headband: Bead Blasted Stainless Steel + 5-Position Leather Band + Lamb Leather Suede Memory Foam
Input Connectors: High-Current 3.5 mm TRRS Female Connectors
Total Weight: 426g

Shipping is FREE on all orders to customers within the USA.

We don't want to mess around with fine print and extra charges. We like things to be simple and easy. 

Here's how shipping works around here:

  1. Place your order
  2. You'll receive a confirmation e-mail. This means we've received your order and have pre-authorized your payment method.
  3. We check the stock levels on your product.
    • If it's available, we'll get it shipped within 3 business days.
    • If it's not available, we'll reach out by email and make alternate arrangements.
    • If you placed a pre-order, we'll keep you updated by email on the status of your order.
  4. You'll receive another email with shipping/tracking information.

Learn More

We get it. Audio gear can be subjective. That's why we offer our industry-leading 365 day return policy. Here's a quick rundown;

  • 365 Day Returns, for ANY reason.
  • ZERO Return Shipping Cost
  • You will receive your hard-earned money back in your pocket, NOT store credit.

Learn More

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at HiFiSoundGear.

  • 365 Day Returns. Not happy with your product? We'll buy it back.
  • Free Shipping in the USA. No extra charges. Ever.
  • Price Match Guarantee. We'll beat another authorized dealer by 5% for the best prices online, guaranteed.
  • Zero Shenanigans. If we can't help you, we won't pretend like we can.
  • Old-School Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, and we know you'll love them. But if there is ever something wrong, we'll fix it.
  • No Taxes (Except in CO) We're small enough that we don't need to charge taxes on your orders in any state but Colorado.