{"product_id":"rogue-audio-rp-9-v2-preamplifier","title":"Rogue Audio RP-9 v2 Preamplifier","description":"\u003cp\u003eThe \u003cstrong\u003eRogue Audio RP-9 v2\u003c\/strong\u003e is the flagship preamplifier in Rogue's lineup, built around four 6H30P tubes instead of the 12AU7 used throughout the rest of the RP series. The 6H30P is a high-transconductance dual triode originally developed for Soviet military and telecommunications applications, offering lower noise, wider bandwidth, and higher linearity than the 12AU7. The result is a frequency response stretching from 5Hz to 170kHz, fully balanced XLR connectivity, and a 2-watt tube headphone amplifier, all in a 30-pound full-chassis platform handcrafted in Brodheadsville, Pennsylvania.\u003c\/p\u003e\n\u003ch5\u003eKey Features of the Rogue Audio RP-9 v2\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour 6H30P Tubes:\u003c\/strong\u003e High-transconductance dual triodes in mu-follower topology for superior linearity, lower noise, and wider bandwidth than 12AU7-based designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5Hz to 170kHz Bandwidth:\u003c\/strong\u003e Extended frequency response for superior transient speed, air, and harmonic detail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Balanced XLR:\u003c\/strong\u003e Two pairs of balanced XLR inputs and two pairs of balanced XLR outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30V Maximum Output:\u003c\/strong\u003e Drives any power amplifier to full rated output, including high-sensitivity designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Output Impedance:\u003c\/strong\u003e \u0026lt;10 ohm output impedance for long cable runs and any amplifier load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2W Tube Headphone Amplifier:\u003c\/strong\u003e High-power tube-based headphone circuit for demanding planar magnetics and dynamic headphones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachined Aluminum Remote:\u003c\/strong\u003e 10-button precision remote included as standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Theater Bypass:\u003c\/strong\u003e Unity gain mode for surround processor integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor Loop and Mono Button:\u003c\/strong\u003e External processor insertion and mono collapse for maximum flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandcrafted in the USA:\u003c\/strong\u003e Built in Brodheadsville, Pennsylvania with a 3-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eThe 6H30P Tube: Why It Matters\u003c\/h5\u003e\n\u003cp\u003eEvery other preamplifier in the Rogue RP series uses 12AU7\/ECC82 tubes. The RP-9 uses 6H30P tubes, and that choice defines its character. The 6H30P (also designated 6H30Pi or 6N30P) is a high-transconductance, low-impedance dual triode originally developed for Soviet military radar and telecommunications equipment in the 1970s. Its electrical characteristics differ fundamentally from the 12AU7: higher transconductance produces more gain per stage, lower plate resistance reduces output impedance, and the tube's inherently wide bandwidth extends the RP-9's frequency response to 170kHz (compared to 100kHz for the 12AU7-based RP-7). The lower internal impedance also reduces the tube's sensitivity to microphonics, external vibration, and electromagnetic interference. The 6H30P typically lasts longer than 12AU7 tubes in normal preamp service. Replacement tubes are readily available from multiple manufacturers.\u003c\/p\u003e\n\u003ch5\u003eCircuit Architecture\u003c\/h5\u003e\n\u003cp\u003eFour 6H30P tubes are arranged in two mu-follower pairs in a balanced differential configuration optimized for linearity and dynamics. The circuit delivers 14dB of gain through the RCA outputs and 20dB through the balanced XLR outputs, matching the RP-7's gain structure but with the 6H30P's wider bandwidth and lower noise floor contributing to a different sonic presentation. Maximum output is 30V, and the output impedance is below 10 ohms, ensuring the RP-9 drives any power amplifier cleanly regardless of input impedance or cable length. Total harmonic distortion is below 0.1% across the operating band. The slow-start sequencing and auto-mute at power on and off protect the tubes and downstream components.\u003c\/p\u003e\n\u003ch5\u003eFully Balanced Connectivity\u003c\/h5\u003e\n\u003cp\u003eThe RP-9 provides two pairs of balanced XLR inputs and two pairs of balanced XLR outputs, enabling a fully balanced signal path from source through power amplification. The dual balanced outputs allow simultaneous connection to two power amplifiers or a stereo amplifier and subwoofer amplifier without signal splitting. Three pairs of single-ended RCA inputs, two pairs of variable RCA outputs, and one pair of fixed RCA outputs handle single-ended sources and connections. The home theater bypass accepts surround processor signals at unity gain, and the processor loop inserts external signal processors into the path. The mono button collapses the stereo signal for mono recordings.\u003c\/p\u003e\n\u003ch5\u003e2-Watt Tube Headphone Amplifier\u003c\/h5\u003e\n\u003cp\u003eThe RP-9 includes the most powerful headphone amplifier in the RP series: a 2-watt tube-based circuit that drives demanding planar magnetics and high-impedance dynamic headphones with authority. That 2 watts is double what the RP-1 v2 delivers and represents a serious headphone amplifier in its own right. The tube preamp section feeds the headphone output, so headphone listening benefits from the full 6H30P signal path. For a dedicated headphone station with balanced outputs, the \u003ca href=\"\/products\/rogue-audio-rh-5-headphone-amplifier\"\u003eRH-5 Headphone Amplifier\u003c\/a\u003e offers 3.5 watts with both single-ended and balanced connections.\u003c\/p\u003e\n\u003ch5\u003eMachined Aluminum Remote and Controls\u003c\/h5\u003e\n\u003cp\u003eThe RP-9's remote control is a machined aluminum unit with 10 buttons, the highest-grade remote in the RP series. The RP-1 v2 ships with a 7-button plastic remote, the RP-3 and RP-5 with 10-function plastic remotes, and the RP-7 with a metal remote. The RP-9's machined aluminum version reflects its flagship positioning. The defeatable OLED display shows volume, source, and balance, with 0.5dB volume steps for fine-grained adjustment at low listening levels.\u003c\/p\u003e\n\u003ch5\u003eExplore the Full Rogue Audio Preamplifier Series\u003c\/h5\u003e\n\u003cp\u003eThe RP-9 v2 is the flagship of Rogue Audio's preamplifier lineup:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rogue-audio-rp-1-v2-preamplifier\"\u003eRP-1 v2\u003c\/a\u003e:\u003c\/strong\u003e Compact two-tube preamp with built-in MM\/MC phono stage and discrete headphone amplifier. The entry point at $1,995.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rogue-audio-rp-3-preamplifier\"\u003eRP-3\u003c\/a\u003e:\u003c\/strong\u003e Two-tube with balanced XLR and MOSFET buffering. The affordable balanced option at $3,495.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rogue-audio-rp-5-v2-preamplifier\"\u003eRP-5 v2\u003c\/a\u003e:\u003c\/strong\u003e Four-tube with Triton II-derived phono stage, MOSFET-buffered headphone amplifier. The vinyl specialist at $4,295.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rogue-audio-rp-7-v2-preamplifier\"\u003eRP-7 v2\u003c\/a\u003e:\u003c\/strong\u003e Four-tube with balanced XLR, MOSFET output buffering, 30V output. Stereophile Class A Recommended at $5,495.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe RP-9 shares its gain structure, output capability, and output impedance with the RP-7. The fundamental difference is the tube complement: 6H30P versus 12AU7. The 6H30P's wider bandwidth (170kHz vs 100kHz), lower noise, and different harmonic character make the RP-9 a distinct instrument rather than simply a more expensive RP-7. For turntable-centric systems, pair the RP-9 with the \u003ca href=\"\/products\/rogue-audio-ares-ii-tube-phono-preamplifier\"\u003eAres II Phono Preamplifier\u003c\/a\u003e for a fully Rogue phono front end.\u003c\/p\u003e\n\u003ch5\u003eRecommended Power Amplifiers\u003c\/h5\u003e\n\u003cp\u003eThe RP-9 v2 pairs naturally with Rogue's pure tube power amplifiers. The \u003ca href=\"\/products\/rogue-audio-m-180-monoblocks-per-pair\" title=\"Rogue Audio M-180 Monoblocks\"\u003eM-180 Monoblocks\u003c\/a\u003e deliver 180 watts of Apollo-derived tube power with switchable triode\/ultralinear operation, fully balanced connectivity, and Stereophile Class A recognition.\u003c\/p\u003e\n\n\u003ch5\u003eThe Listening Room Difference\u003c\/h5\u003e\n\u003cp\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. We've carried Rogue Audio for years because their products deliver real value and hold up over time. Every component is designed and built in Pennsylvania, and we're proud to support a manufacturer that shares our commitment to quality. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction.\u003c\/p\u003e\n\u003ch5\u003eRogue Audio RP-9 v2 Specifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Complement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 x 6H30P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCircuit Topology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBalanced differential mu-follower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Stage Gain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14dB (RCA) \/ 20dB (XLR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5Hz to 170kHz (+\/-1dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eHeadphone Amplifier\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTube-based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRCA Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 x line-level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eXLR Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x fully balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRCA Variable Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 pairs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRCA Fixed Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eXLR Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 pairs fully balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHome Theater Bypass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (unity gain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor Loop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eControls\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume Steps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5dB increments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOLED (defeatable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-button machined aluminum (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMono Button\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120\/240V, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.5\" W x 4.5\" H x 17\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 years (6 months on tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHandcrafted in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rogue Audio","offers":[{"title":"Silver","offer_id":67848804499825,"sku":"RARP9SI","price":4876.95,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":67848804532593,"sku":"RARP9BL","price":4876.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5215\/1921\/files\/RP-9Preamplifier.jpg?v=1792519413","url":"https:\/\/sliyden.store\/products\/rogue-audio-rp-9-v2-preamplifier","provider":"sliyden.store","version":"1.0","type":"link"}