{"title":"AmpRX","description":null,"products":[{"product_id":"amprx-brownbox-tube-amplifier-input-voltage-attenuator-black-green","title":"AmpRX BrownBox Tube Amplifier Input Voltage Attenuator Black\/Green","description":"\u003cp\u003eHere’s the quick rundown: The BrownBox is an adjustable AC power supply for your amp or tube gear that helps you run your equipment at the optimal voltage. Plug the BrownBox into the wall, adjust the voltage and then plug your gear into the BrownBox.\u003c\/p\u003e\n\u003cp\u003eWhen a tube amplifier is supplied with the proper line voltage, it will sound and respond as originally intended, revealing the circuit’s true harmonic content, and preventing unnecessary, expensive, and frustrating repairs. BrownBox users testify time and again as to how their amp’s tone, touch and feel have finally come together, providing them with improved harmonics and dynamic amp performance- allowing them to capture the elusive tone they’ve always wanted, every time, everywhere.\u003c\/p\u003e\n\u003cp\u003eThis brand new attenuator will ship safely and swiftly!\u003c\/p\u003e","brand":"AmpRX","offers":[{"title":"Default Title","offer_id":40822987456570,"sku":"AC-AMPRX-BROWN","price":379.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/7064\/4549\/files\/IMG_29872.heic?v=1742160479"},{"product_id":"amprx-brownie-input-voltage-attenuator-1","title":"AmpRX Brownie Input Voltage Attenuator","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eWhen it comes to both safety and accuracy, the Brownie blows any variac out of the water. For starters, its in-rush current protection absolutely limits AC input, while its output only reduces voltage, preventing you from accidentally blowing up your amp. A Hi\/Lo switch lets you adjust the input voltage rescaling to ensure efficient and accurate operation, and a 5-way selector knob lets you choose from 4%, 8%, 12%, or 16% attenuation plus a bypass setting so you can A\/B the result. Top it off with a backlit LCD voltmeter, and optimizing your small tube amp's input voltage is a piece of cake. \u003c\/span\u003e\u003c\/p\u003e","brand":"AmpRX","offers":[{"title":"Default Title","offer_id":40856878121018,"sku":"AP-AMPRX-BROWNIE","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/7064\/4549\/files\/IMG_5742_a157e4d7-6ddd-44c0-8e90-cc91e4b5fa11.heic?v=1745538293"},{"product_id":"amprx-brownbox","title":"AmpRX BrownBox Input Voltage Attenuator","description":"\u003cp\u003eToday, we should be receiving 120V AC from the wall, but depending on where you are and what time of day it is, you can receive anywhere from 120V to 129V. That’s not good for your amplifier, or your ears.\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eThe BrownBox is an adjustable AC power supply (aka a voltage controller)\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003efor your amp or tube gear that helps you run your equipment at the optimal voltage. Plug the BrownBox into the wall, adjust the voltage and then plug your gear into the BrownBox.\u003c\/p\u003e\n\u003cp\u003eDepending on the amplifier, a BrownBox user might discover that modern gear runs optimally at 116-118V, or as low as 108-110V for vintage gear. It’s impossible for an amplifier designed for 110V or 120V to sound or operate anywhere near the way it should at 129V.\u003c\/p\u003e\n\u003cp\u003eThe BrownBox features flexible voltage reductions options that let you bring your power input down to an optimal level, resulting in significantly improved amplifier performance.\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003e\u003cstrong\u003eTECHNICAL SPECIFICATIONS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eInput:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e120VAC, 50\/60 Hz; Standard IEC AC cable. \u003cbr\u003e\u003cstrong\u003eOutput:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eTwo AC Grounded Outlets, Adjustable Voltage Reduction\u003cbr\u003e\u003cstrong\u003ePower Handling:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e5 Amps at 120VAC, 50\/60 Hz, up to 540 Watts\u003cbr\u003e\u003cstrong\u003eDimensions:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eLength: 7.5\", Width: 4.5\", Height: 4.875\"\u003cbr\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e3.6 LBS\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003eTHE DETAILS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e120 Volt AC, 50\/60 Hz, 5 Amp Voltage Attenuator supplies up to 540 Watts, designed for small or mid to larger sized amplifiers\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e(i.e. Fender Deluxe\/Bassman\/Twin, Marshall 50w\/100w, Vox AC30).\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003eCan also be used for parallel or dual amp rigs.\u003c\/li\u003e\n\u003cli\u003eEasy to read back-lit L.C.D. display enables real-time voltage and amperage monitoring - also useful for diagnostics\u003c\/li\u003e\n\u003cli\u003eTwo adjustment modes to help to fine-tune your voltage\u003c\/li\u003e\n\u003cli\u003eProprietary transformer design wound exclusively for use with tube amplifiers, an industry first\u003c\/li\u003e\n\u003cli\u003eEqual or attenuated voltage output and a 5 amp fuse with in-rush current protection ensures that you will never accidentally overload your amplifier\u003c\/li\u003e\n\u003cli\u003ePowder coated EMF neutral housing and tough road rugged construction\u003c\/li\u003e\n\u003cli\u003eSilent, cool operation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AmpRX","offers":[{"title":"Default Title","offer_id":41433119588410,"sku":"AP-AMPRX-BROWNBOX","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/7064\/4549\/files\/IMG_5795_40e882c3-4b3e-4e6b-990b-fa49c1735afb.heic?v=1779835907"}],"url":"https:\/\/eastsidemusicsupply.com\/collections\/amprx.oembed","provider":"eastside music supply","version":"1.0","type":"link"}