{"product_id":"portable-tube-headphone-amplifier-class-a-preamp-color-orange","title":"Portable Tube Headphone Amplifier Class A Preamp color Orange","description":"\u003cp\u003eBring your music to life with this portable Class-A tube headphone amplifier, delivering smooth analogue warmth and impressive clarity. Its lightweight design makes it perfect for desktop listening, home Hi-Fi systems, and late-night sessions with your favorite headphones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuthentic Tube Sound\u003c\/strong\u003e powered by 5654W and 6Ж4 vacuum tubes, offering rich midrange, smooth highs, and natural musicality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-Stage Amplification\u003c\/strong\u003e for clean voltage boosting and powerful signal delivery with excellent transparency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTone Controls Built In\u003c\/strong\u003e allowing you to fine-tune bass and treble for a personalized listening experience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Connectivity\u003c\/strong\u003e with 3.5mm and 6.35mm headphone jacks plus RCA input\/output for easy home system pairing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSupports Multiple Headphone Types\u003c\/strong\u003e thanks to switchable low\/high impedance modes designed for 16Ω–300Ω headphones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Aluminum Housing\u003c\/strong\u003e provides durability, low noise, and stable high-quality audio performance with SNR ≥97dB.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTube Rolling Compatible\u003c\/strong\u003e so enthusiasts can experiment with different tubes for unique sound character.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eModel: GR70\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAmplification Type: Tube Class-A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTubes: 6Ж4 ×2, 5654 ×2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency Response: 20Hz–20kHz (±1dB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDynamic Range: 97dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignal Input: RCA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutputs: 3.5mm, 6.35mm, RCA full-range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRated Output Power: 60mW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput Voltage\/Current: 12V 3A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignal-to-Noise Ratio: ≥97dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColor: Orange\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTube Headphone Amplifier (Orange)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6Ж4 Vacuum Tubes ×2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5654 Vacuum Tubes ×2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower Adapter (AU plug)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser Guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Makes This a Smart Buy:\u003c\/strong\u003e\u003cbr\u003eCombining portable design with the warmth of true tube audio, this amplifier offers a level of clarity and character that transforms everyday listening. It’s an affordable upgrade that unlocks fuller, richer sound from any headphone setup.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":51554709799211,"sku":"9362172065852","price":523.85,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/8617\/3227\/files\/722943c6-8581-4dcb-bafd-bb51b61827f7618938.png?v=1764156444","url":"https:\/\/stuffologystore.com.au\/products\/portable-tube-headphone-amplifier-class-a-preamp-color-orange","provider":"Stuffology Store","version":"1.0","type":"link"}