{"product_id":"raal-sr1a-ribbon-headphone-with-interface","title":"SR1a Headphone + HSA-1b Amp","description":"\u003cbuilder-component rev=\"7tvi1lyhjav\" api-key=\"48d1cdcd52ec4d289f1ef8c4f75da167\" options='{\"locale\":\"Default\"}' name=\"product-description\" entry=\"d39bab16a245447baad5d723d5c7fef7\"\u003e\n\n\u003c!-- ***** Generated by Builder.io on Wed, 19 Mar 2025 13:26:57 GMT ***** --\u003e\n\n\u003cstyle type=\"text\/css\" class=\"builder-styles builder-api-styles\"\u003e\/*start:h47494*\/.css-h47494{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-align-items:stretch;-webkit-box-align:stretch;-ms-flex-align:stretch;align-items:stretch;}\/*end:h47494*\/ \/*start:1dsy78t*\/.css-1dsy78t.builder-block{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;position:relative;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;box-sizing:border-box;margin-top:20px;margin-right:200px;margin-left:200px;}@media only screen and (max-width:640px){.css-1dsy78t.builder-block{margin-right:0px;margin-left:0px;}}\/*end:1dsy78t*\/ \/*start:1840m1q*\/.css-1840m1q{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}@media (max-width:999px){.css-1840m1q{-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-align-items:stretch;-webkit-box-align:stretch;-ms-flex-align:stretch;align-items:stretch;}}\/*end:1840m1q*\/ \/*start:1ukkadj*\/.css-1ukkadj{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-align-items:stretch;-webkit-box-align:stretch;-ms-flex-align:stretch;align-items:stretch;line-height:normal;width:calc(100% - 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10px);margin-left:0;}.css-2keume \u003e .builder-blocks{-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;}@media (max-width:999px){.css-2keume{width:100%;margin-left:0;}}\/*end:2keume*\/ \/*start:bst442*\/.css-bst442{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-align-items:stretch;-webkit-box-align:stretch;-ms-flex-align:stretch;align-items:stretch;line-height:normal;width:calc(50% - 10px);margin-left:20px;}.css-bst442 \u003e .builder-blocks{-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;}@media (max-width:999px){.css-bst442{width:100%;margin-left:0;}}\/*end:bst442*\/ \/*start:1mvsfya*\/.css-1mvsfya.builder-block{height:0;width:0;display:inline-block;opacity:0;overflow:hidden;pointer-events:none;}\/*end:1mvsfya*\/\u003c\/style\u003e\n\u003cdiv class=\"builder-component builder-component-d39bab16a245447baad5d723d5c7fef7\" data-name=\"product-description\" data-source=\"Rendered by Builder.io\"\u003e\u003cdiv class=\"builder-content\" builder-content-id=\"d39bab16a245447baad5d723d5c7fef7\" builder-model=\"product-description\"\u003e\u003cdiv data-builder-component=\"product-description\" data-builder-content-id=\"d39bab16a245447baad5d723d5c7fef7\" data-builder-variation-id=\"d39bab16a245447baad5d723d5c7fef7\"\u003e\n\u003cstyle data-emotion-css=\"h47494\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-blocks css-h47494\" builder-type=\"blocks\"\u003e\n\u003cstyle data-emotion-css=\"1dsy78t\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-6980b49ac77d4c698c75323134284109 builder-has-component css-1dsy78t\" builder-id=\"builder-6980b49ac77d4c698c75323134284109\"\u003e\n\u003cstyle data-emotion-css=\"1840m1q\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cstyle data-emotion-css=\"1ukkadj\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-1ukkadj\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\n\u003cstyle data-emotion-css=\"17krneq\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-d13aa80a9a2a4bdeafaa06f68d692244 builder-has-component css-17krneq\" builder-id=\"builder-d13aa80a9a2a4bdeafaa06f68d692244\"\u003e\n\u003cstyle data-emotion-css=\"1qggkls\"\u003e\u003c\/style\u003e\n\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eReturns are not accepted on Discounted items.\u003c\/p\u003e\n\u003ch3\u003eThe World's First Earfield™ Headphone Monitor\u003c\/h3\u003e\n\u003cp\u003eThe SR1a by RAAL-requisite is the world's first Earfield™ headphone monitor. Experience mixing, mastering, and home listening with unparalleled accuracy and realism in a soundfield devoid of room acoustics and comb-filtering caused by work surface reflections. Earfield™ technology delivers unheard of program accuracy and a speaker-like soundfield experience.\u003c\/p\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"hgfgng\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-cf6e14b2df154255bb368553d670ca3a builder-has-component css-hgfgng\" builder-id=\"builder-cf6e14b2df154255bb368553d670ca3a\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eSelect Your Package:\u003c\/h3\u003e\n\u003cp\u003eWe offer customized packages for your RAAL SR1a Headphone. Select the Amplifier Interface Box if you plan on connecting your headphones to you existing speaker system. Select the Schiit Jotunheim R or RAAL HSA-1b amplifier if you are looking for a direct connection to the headphone and want a one-box solution. Please note that the Interface Box are not to be used in conjunction with the Jotunheim or HSA amplifiers, but are offered for multi-room setups, allowing you to have an interface for your existing system as well as a standalone option for the SR1a ribbon headphone.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1y6p72u\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-94992027d21c4013895f6c0a89b4bf87 css-1y6p72u\" builder-id=\"builder-94992027d21c4013895f6c0a89b4bf87\"\u003e\n\u003cpicture\u003e\u003csource srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?format=webp\u0026amp;width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?format=webp\u0026amp;width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?format=webp\u0026amp;width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?format=webp\u0026amp;width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?format=webp\u0026amp;width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?format=webp\u0026amp;width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?format=webp\u0026amp;width=1600 1600w\" type=\"image\/webp\"\u003e\u003cstyle data-emotion-css=\"12153wi\"\u003e\u003c\/style\u003e\n\u003cimg role=\"presentation\" loading=\"lazy\" class=\"builder-image css-12153wi\" src=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=1600\" srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Fd5c6267f16c245318e6545695e547042?width=1600 1600w\" sizes=\"(max-width: 638px) 100vw, (max-width: 998px) 60vw, 115vw\"\u003e\u003c\/picture\u003e\u003cstyle data-emotion-css=\"qjm9kp\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-image-sizer css-qjm9kp\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-ae2390dad83c45f48bb06a8c11e5bbd5 builder-has-component css-hgfgng\" builder-id=\"builder-ae2390dad83c45f48bb06a8c11e5bbd5\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eHeadphone Only\u003c\/h3\u003e\n\u003cp\u003eThis option includes only the RAAL SR1a headphone. No amp option will be selected.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-eba3fbad452a48d1a30528993ec6a80e css-1y6p72u\" builder-id=\"builder-eba3fbad452a48d1a30528993ec6a80e\"\u003e\n\u003cpicture\u003e\u003csource srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?format=webp\u0026amp;width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?format=webp\u0026amp;width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?format=webp\u0026amp;width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?format=webp\u0026amp;width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?format=webp\u0026amp;width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?format=webp\u0026amp;width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?format=webp\u0026amp;width=1600 1600w\" type=\"image\/webp\"\u003e\u003cimg role=\"presentation\" loading=\"lazy\" class=\"builder-image css-12153wi\" src=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=1600\" srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2Ff6ded1a998194f9abe1b81623e89d37e?width=1600 1600w\" sizes=\"(max-width: 638px) 100vw, (max-width: 998px) 60vw, 115vw\"\u003e\u003c\/picture\u003e\u003cdiv class=\"builder-image-sizer css-qjm9kp\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-250ca3d9b809449b80d48d9cad000f2e builder-has-component css-hgfgng\" builder-id=\"builder-250ca3d9b809449b80d48d9cad000f2e\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eHeadphone + Amplifier Interface Box\u003c\/h3\u003e\n\u003cp\u003eThis option includes the SR1a and the amplifier interface box for the SR1a headphone. The interface connects your headphones to a speaker amplifier to achieve 5.6 ohms of combined resistance and 140W of power dissipation with moderate temperature increase. The interface connects via binding posts \/ banana plugs in the back (to the speaker amp) and a male 4-pin XLR connector in the front (to the headphones). These connectors are set to prevent the possibility of plugging the SR1a headphones into a conventional headphone amplifier and effectively short it, causing damage to both the amp and the headphones.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-9b720768b1f347f481c4dafa1e134b08 builder-has-component css-hgfgng\" builder-id=\"builder-9b720768b1f347f481c4dafa1e134b08\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eHeadphone + Schiit Jotunheim R Amp\u003c\/h3\u003e\n\u003cp\u003eThis option includes the SR1a and the Schiit Jotenheim R Amplifier (without the optional DAC card). This amplifier is designed specifically for the Raal\/Requisite ribbon headphones. It is a completely unique amplifier that delivers up to 13A per channel into the Raal’s extremely low impedance load, including baffle compensation. You do not need a speaker amp attached to this like you do on the interface box option. This option includes the amp without the DAC card – for those that already have a DAC option or do not need one.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"96q1si\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-818a76930ca840cc85b388eb58552fe7 builder-has-component css-96q1si\" builder-id=\"builder-818a76930ca840cc85b388eb58552fe7\"\u003e\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cstyle data-emotion-css=\"2keume\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-2keume\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\u003cdiv class=\"builder-block builder-214bbe3381984304a272eb44a0fe36e1 builder-has-component css-hgfgng\" builder-id=\"builder-214bbe3381984304a272eb44a0fe36e1\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eHeadphone + Schiit Jotunheim R Amp\/DAC\u003c\/h3\u003e\n\u003cp\u003eThis option includes the SR1a and the Schiit Jotenheim R Amplifier with the optional DAC card. This amplifier is designed specifically for the Raal\/Requisite ribbon headphones. It is a completely unique amplifier that delivers up to 13A per channel into the Raal’s extremely low impedance load, including baffle compensation. You do not need a speaker amp attached to this like you do on the interface box option. This option includes the amp with the True Multibit DAC module, which includes a unique digital filter and multibit DAC architecture, creating a great one-box systems that’s easily transportable.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"bst442\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-bst442\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\u003cdiv class=\"builder-block builder-317c230ea6154b3c97f566777e1999ee builder-has-component css-hgfgng\" builder-id=\"builder-317c230ea6154b3c97f566777e1999ee\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eHeadphone + Amplifier Interface Box + Schiit Jot R Amp\u003c\/h3\u003e\n\u003cp\u003eThis option includes the SR1a, the Amplifier Interface Box, and the Schiit Jotenheim R Amplifier (without the optional DAC card). The interface connects your headphones to a speaker amplifier to achieve 5.6 ohms of combined resistance and 140W of power dissipation with moderate temperature increase. The interface connects via binding posts \/ banana plugs in the back (to the speaker amp) and a male 4-pin XLR connector in the front (to the headphones). This package also includes the Schiit Jotenheim R Amplifier - designed specifically for the Raal\/Requisite ribbon headphones. It is a completely unique amplifier that delivers up to 13A per channel into the Raal’s extremely low impedance load, including baffle compensation. This option includes the amp without the DAC card – for those that already have a DAC option or do not need one.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-bf1026648ae747899a7302138abf977b builder-has-component css-96q1si\" builder-id=\"builder-bf1026648ae747899a7302138abf977b\"\u003e\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cdiv class=\"builder-column css-2keume\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\u003cdiv class=\"builder-block builder-37401bb0f9e14d84bcdddc2b81155882 builder-has-component css-hgfgng\" builder-id=\"builder-37401bb0f9e14d84bcdddc2b81155882\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eHeadphone + Amplifier Interface Box + Schiit Jot R Amp\/DAC\u003c\/h3\u003e\n\u003cp\u003eThis option includes the SR1a and the amplifier interface box for the SR1a headphone. The interface connects your headphones to a speaker amplifier to achieve 5.6 ohms of combined resistance and 140W of power dissipation with moderate temperature increase. The interface connects via binding posts \/ banana plugs in the back (to the speaker amp) and a male 4-pin XLR connector in the front (to the headphones). Also included is the Schiit Jotenheim R Amplifier with the optional DAC card. This amplifier is designed specifically for the Raal\/Requisite ribbon headphones. It is a completely unique amplifier that delivers up to 13A per channel into the Raal’s extremely low impedance load, including baffle compensation. This option includes the amp with the True Multibit DAC module, which includes a unique digital filter and multibit DAC architecture.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-column css-bst442\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\"\u003e\u003cdiv class=\"builder-block builder-ccac61f376ae4b89a8e3fa0cd5a7eea1 builder-has-component css-hgfgng\" builder-id=\"builder-ccac61f376ae4b89a8e3fa0cd5a7eea1\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eHeadphone + HSA-1b Amp\u003c\/h3\u003e\n\u003cp\u003eThis option includes the SR1a headphone and the RAAL HSA-1b headphone and speaker amplifier. The HAS-1b is a direct drive amplifier for True-Ribbon Earfield Monitor headphones, speakers, conventional dynamic, and planar magnetic headphones. The amplifier works seamlessly with the SR1a ribbon headphone but can also work for traditional headphones and speakers. The amplifier has unbalanced single-ended RCA and true-balanced XLR inputs. The HAS-1b also has a precision 24-step attenuator for rock solid left\/right balance at all listening levels. This is a perfect match for your SR1a ribbon headphones if you are just looking for an amplifier that is tailor-made for the SR1a direct from the manufacturer.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-e89febe0678d4a9587a8c6585abd8285 builder-has-component css-hgfgng\" builder-id=\"builder-e89febe0678d4a9587a8c6585abd8285\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eSystem Options\u003c\/h3\u003e\n\u003cp\u003eThe RAAL SR1a is not your typical headphone and will not work on most conventional headphone amplifiers. There are currently 2 different ways to connect and drive these headphones: a special ribbon amplifier (Schiit Jotenheim R) or the interface box with a speaker amp. The SR1a interface box converts a typical speaker amplifier output into the load characteristic that the headphones require. Connect your speaker amplifier to the interface via speaker cables and plug the SR1a into the 4-pin XLR connection on the front of the interface box. We highly recommend the \u003ca href=\"https:\/\/www.moon-audio.com\/pass-labs-int-25-amplifier.html\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ePass Labs INT-25\u003c\/a\u003e as a wonderful option.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-73a297755c7b40899aff1c0fd74ad7ee builder-has-component css-hgfgng\" builder-id=\"builder-73a297755c7b40899aff1c0fd74ad7ee\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eRibbon\/Amplifier Interface\u003c\/h3\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-0e9775f3f1774de8912b663661cc1c92 builder-has-component css-hgfgng\" builder-id=\"builder-0e9775f3f1774de8912b663661cc1c92\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eThe amplifier interface box connects between a speaker amp and the SR1a, to achieve 5.6 ohms of combined resistance and 140W of power dissipation with moderate temperature increase.\u003c\/p\u003e\n\u003cp\u003eThe amplifier connects to binding posts \/ banana plugs at the back, and at the front, the SR1a cable plugs in to a male 4-pin XLR connector. The connector gender is chosen to prevent the possibility of plugging SR1a into a conventional headphones amplifier and effectively short it, causing damage to both the amp and the headphones.\u003c\/p\u003e\n\u003cp\u003eThe Amplifier Interface unit is air-cooled, so it should be kept on top and not covered.\u003c\/p\u003e\n\u003ch3\u003eInterface Requirements\u003c\/h3\u003e\n\u003cp\u003e100W Speaker Amp needed (any loudspeaker amplifier will work). We highly recommend the \u003ca href=\"https:\/\/www.moon-audio.com\/pass-labs-int-25-amplifier.html\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ePass Labs INT-25\u003c\/a\u003e.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-2a9af2bdd64f4717b1cbf18487cdec8c builder-has-component css-hgfgng\" builder-id=\"builder-2a9af2bdd64f4717b1cbf18487cdec8c\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eSchiit Jotenheim R Amplifier with Optional DAC Card\u003c\/h3\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-1ba848ff982945b6a5404d97a2ed08ca builder-has-component css-hgfgng\" builder-id=\"builder-1ba848ff982945b6a5404d97a2ed08ca\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eDesigned Especially for Raal\/Requisite Headphones\u003c\/h3\u003e\n\u003cp\u003eLet’s be clear. If you have other kinds of headphones, this amp isn’t for you. This amp was designed for one kind of headphones only: the Raal\/Requisite ribbon headphones. Delivering up to 13A (amps…yes, amps) per channel into the Raal’s extremely low impedance load, and including the baffle compensation needed for the SR1a, the Jotunheim R is completely unique. It means you can leave your speaker amp behind, forget the Raal\/Requisite interface box, and, if you buy it with the optional True Multibit™ DAC, you have a one-box system that’s easily transportable.\u003c\/p\u003e\n\u003ch3\u003eConfigure To Your Needs\u003c\/h3\u003e\n\u003cp\u003eSelect Jotunheim R as just an amp, or add an internal DAC card to tailor the system to your needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo DAC. If you already have a DAC, or don’t need one, choose Jotunheim R without a DAC module or external DAC.\u003c\/li\u003e\n\u003cli\u003eTrue Multibit DAC module (internal). Choose the optional Multibit DAC Module to get Schiit’s unique digital filter and multibit DAC architecture, for $200 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFlexibility and Convenience\u003c\/h3\u003e\n\u003cp\u003eJotunheim R provides switchable baffle compensation, to ensure compatibility with future ribbon headphone models, as well as switchable passive preamp outputs, and both balanced and single-ended inputs. No power bricks or external power supplies are required; it plugs straight into the wall for maximum convenience.\u003c\/p\u003e\n\u003ch3\u003eUnique Nexus™ Discrete Gain Stage with Ultra-High-Current Output\u003c\/h3\u003e\n\u003cp\u003eJotunheim uses the unique Nexus™ gain stage that debuted on the flagship Ragnarok 2 integrated amplifier. This inherently balanced, differential, current feedback topology accepts both balanced and single-ended input without the need for splitters and summers.\u003c\/p\u003e\n\u003ch3\u003eDesigned and Built in California\u003c\/h3\u003e\n\u003cp\u003eThe vast majority of the total production cost of Jotunheim — chassis, boards, transformers, assembly, etc — goes to US companies manufacturing in the US. The chassis are made minutes from the facility. The PCBs are done just over the hill, or done in Northern California. The transformers are also made in California. You get the picture.\u003c\/p\u003e\n\u003ch3\u003e5-Year Warranty\u003c\/h3\u003e\n\u003cp\u003eThe RAAL SR1a and Jotunheim R are covered by a 5-year limited warranty that covers parts and labor. See Specifications below for more details.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-73a13f4945494fb89a46ebd5c874ddc7 builder-has-component css-hgfgng\" builder-id=\"builder-73a13f4945494fb89a46ebd5c874ddc7\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eMore About the RAAL SR1a Ribbon Headphone:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRibbons for a reason\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR1a is the world’s first True-Ribbon™ headphone. Highly specialized ribbon drivers were developed that reproduce 30Hz to 30kHz bandwidth in order to eliminate the need for sealed chambered bass and allow for open air baffles (both front and back) for a true full-frequency soundfield.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eSR1a Freedom\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProfessional engineers report that SR1a Earfield Monitors™ reveal more detail and accuracy than even their finest traditional studio monitors or headphones. Helping to achieve high-quality, transferable mix results in non-traditional environments. The accuracy, musicality and portability of the SR1a frees the engineer to work whenever, and wherever they choose.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncredibly Comfortable\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWeighing in at only 425 grams (15 ounces). Unlike standard headphones who’s weight and heat create listener discomfort over time. The SR1a Earfield™ design eliminates heat buildup on the ears providing a cool, natural airflow. Your ears will also appreciate the complete absence of sound pressure against the eardrums caused by traditional sealed can designs. SR1a headphones can be worn comfortably for many hours at any listening level.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinest materials. Hand built.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR1a features; carbon fiber baffles, stainless spring steel headband, aluminum ribbon drivers, plush memory foam bars, and lambskin leather (non-leather option available). Every SR1a is expertly handmade, in Serbia, by the skilled European craftspeople who build world-renowned RAAL ribbon tweeters.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-9e8f80de98e14729a3095807abebf403 builder-has-component css-hgfgng\" builder-id=\"builder-9e8f80de98e14729a3095807abebf403\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eWhat's in the box?\u003c\/h3\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-453757e0f04d42b794bb0e1739981867 builder-has-component css-hgfgng\" builder-id=\"builder-453757e0f04d42b794bb0e1739981867\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cul\u003e\n\u003cli\u003eOpen-Baffle, Ribbon Headphone\u003c\/li\u003e\n\u003cli\u003eXFMR Interface (TI-1a or TI-1b)\u003c\/li\u003e\n\u003cli\u003eCables (SC2,ITI-XLR)\/OB Comp\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1mvsfya\"\u003e\u003c\/style\u003e\n\u003cimg src=\"https:\/\/cdn.builder.io\/api\/v1\/pixel?apiKey=48d1cdcd52ec4d289f1ef8c4f75da167\" aria-hidden=\"true\" alt=\"\" role=\"presentation\" width=\"0\" height=\"0\" class=\"builder-block builder-pixel-nzkas5bfusm css-1mvsfya\" builder-id=\"builder-pixel-nzkas5bfusm\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/builder-component\u003e\n\u003cscript async src=\"https:\/\/cdn.builder.io\/js\/webcomponents\"\u003e\u003c\/script\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/raal-sr1a-01.jpg?v=1739539806\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/raal-sr1a-02.jpg?v=1739539806\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/black-dragon-premium-raal-rs1a-03__72275.1663078360.1280.1280.jpg?v=1739539806\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/raal-requisite-hsa-1b-01.jpg?v=1739539806\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/raal-requisite-hsa-1b-02.jpg?v=1739539806\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/headphone-guru-writers-choice-2019-raal_33750ea1-5181-4771-808f-66e05198930b.png?v=1739539806\" alt=\"\"\u003e\u003c\/p\u003e","brand":"RAAL requisite","offers":[{"title":"Default Title","offer_id":51924314718424,"sku":"raal-sr1a-HE-1-1","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3756\/0024\/files\/raal-requisite-sr1a-hsa-1b-01.jpg?v=1782755779","url":"https:\/\/gracelothing.com\/products\/raal-sr1a-ribbon-headphone-with-interface","provider":"gracelothing","version":"1.0","type":"link"}