{"title":"Rolls","description":"","products":[{"product_id":"rolls-vp29-phono-preamp","title":"Rolls VP29 Phono Preamp","description":"\u003cp\u003eThe VP29 is a simple yet integral part of the vintage home audio enthusiast. Its circuitry is designed not only to provide the RIAA equalization curve, but smooth and quiet operation.\u003c\/p\u003e","brand":"Rolls","offers":[{"title":"Default Title","offer_id":13037819428946,"sku":"VP29","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/products\/262fecbf-f560-4546-99d9-36d86d4fac17.jpg?v=1686432397"},{"product_id":"rolls-rpq160b-parametric-equalizer","title":"Rolls RPQ160b - Parametric Equalizer","description":"\u003ch1\u003eRolls RPQ160b - Parametric Equalizer\u003c\/h1\u003e\n\u003cdiv class=\"ov-wrapper js-overview-desc\"\u003e\n\u003cdiv class=\"ov-desc\"\u003e\n\u003cp class=\"ov-desc-paragraph\"\u003eThe RPQ160b from Rolls is a single-channel, 4-band parametric equalizer with high- and low-pass filters. The 4 bands have a combined overlapping frequency range of 70Hz to 20kHz. The single rack space unit features 3 different input and output connectors to accommodate a wide variety of applications. T filters are used for the equalization circuits to avoid the complexity and distortion of state-variable filters.\u003c\/p\u003e\n\u003cp\u003eThe EQs precise equalization makes it suitable for many applications, including school or church gymnasiums, home or professional recording studios, live sound, or the EQing of musical instruments. When coupled with a spectrum analyzer, the RPQ160b can match exactly the properties of typical acoustic resonances and reflections, and make immediate improvements to any installed system's amplitude and phase response.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionHeaders js-hiddenFeatures\" data-selenium=\"sectionHeaders\"\u003e\n\u003cdl class=\"js-featureSectionDL\"\u003e\n\u003cdd class=\"featuredd c28\"\u003e4 bands of parametric equalization\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdl class=\"js-featureSectionDL\"\u003e\n\u003cdd class=\"featuredd c28\"\u003eGreat for room equalization, sound reinforcement, or home and studio recording applications\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdl class=\"js-featureSectionDL\"\u003e\n\u003cdd class=\"featuredd c28\"\u003eAdjustable high and low shelving filters\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdl class=\"js-featureSectionDL\"\u003e\n\u003cdd class=\"featuredd c28\"\u003e\"T\" Filers, which avoid the complexity and distortion of state-variable filters\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdl class=\"js-featureSectionDL\"\u003e\n\u003cdd class=\"featuredd c28\"\u003eXLR, 1\/4\" and RCA inputs and outputs\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdl class=\"js-featureSectionDL\"\u003e\n\u003cdd class=\"featuredd c28\"\u003eAC adapter included\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdl class=\"js-featureSectionDL\"\u003e\n\u003cdd class=\"featuredd c28\"\u003eMade in the USA\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e","brand":"Rolls","offers":[{"title":"Default Title","offer_id":13037819461714,"sku":"RPQ160b","price":229.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/products\/1467121824000_643691.jpg?v=1603733242"},{"product_id":"rolls-db14b-a-v-presenter-direct-box-signal-separator","title":"Rolls DB14b A\/V Presenter Direct Box \/ Signal Separator","description":"\u003cp\u003e\u003cstrong\u003eRolls DB14B Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLooking to connect your laptop or media player to a sound system? Check out the Rolls DB14b, a special purpose direct box that accepts unbalanced stereo RCA and 3.5mm TRS inputs and outputs the signal to a summed XLR output. It's well suited for AV presentations from a laptop or rehearsing with backing tracks for a live performance. The DB14b also includes a stereo RCA output and features left and right volume controls as well as a ground lift to eliminate hum. The unit is passive and requires no power to operate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSplits Stereo RCA and stereo 3.5mm signals\u003c\/li\u003e\n\u003cli\u003eIndividual Right and Left level controls\u003c\/li\u003e\n\u003cli\u003eTransformer balanced XLR mono output\u003c\/li\u003e\n\u003cli\u003eHum elimination\/ground lift\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":40675512844370,"sku":"RoDB14b","price":69.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/products\/8470452c-3a49-494a-9c55-50bd911307ae.jpg?v=1705047199"},{"product_id":"rolls-mp13-mini-mic-preamp","title":"Rolls MP13 Mini-Mic Preamp","description":"\u003cp\u003e\u003cstrong\u003eRolls MP13 Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Rolls MP13 Mini-Mic Preamp is a single-channel microphone preamp that is designed to provide a small and simple solution for a variety of applications. The unit sports 3.5mm and XLR inputs, XLR and 1\/4\" outputs, and a single gain control with a clip indicator. Phantom powering (+24V) is included for use with a condenser microphone. The 1\/4\" output is specially designed for use as either a mono unbalanced output or a stereo headphone output.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA simple and economic single-channel microphone preamp\u003c\/li\u003e\n\u003cli\u003e3.5mm and XLR inputs with a single gain control and clip indication\u003c\/li\u003e\n\u003cli\u003e1\/4\" and XLR outputs\u003c\/li\u003e\n\u003cli\u003eProvides +24V Phantom Power for condenser microphones\u003c\/li\u003e\n\u003cli\u003eOutput designed for mono or stereo applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":40675651059794,"sku":"RoMP13","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/products\/10832284-f7d5-4579-b0bc-2660340789d5.jpg?v=1705062879"},{"product_id":"rolls-pb23-single-channel-phantom-power-supply","title":"Rolls PB23 - Single Channel Phantom Power Supply","description":"\u003cp\u003e\u003cstrong\u003eRolls PB23 Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Rolls PB23 is a single-channel miniature phantom power supply that provides 48 volts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle-channel 48 volt phantom power supply with all-metal case\u003c\/li\u003e\n\u003cli\u003ePower on LED\u003c\/li\u003e\n\u003cli\u003eNoiseless 100 kHz switching power supply\u003c\/li\u003e\n\u003cli\u003eOutput pull down resistors for universal mixer compatibility\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":40675676291154,"sku":"RoPB23","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/products\/558e7482-ba87-49ff-82dd-543aed5fe34e.jpg?v=1705064577"},{"product_id":"rolls-vp29-phono-preamp-open-box","title":"Rolls VP29 Phono Preamp (Open Box)","description":"\u003cp\u003eThe VP29 is a simple yet integral part of the vintage home audio enthusiast. Its circuitry is designed not only to provide the RIAA equalization curve, but smooth and quiet operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInput Sensitivity: 42 dB gain 1kHz, 47k Ohms\u003c\/li\u003e\n\u003cli\u003eInput Capacitance: 120pf\u003c\/li\u003e\n\u003cli\u003eSensitivity: 5mV for 635mV output\u003c\/li\u003e\n\u003cli\u003eInput Impedance: 47k Ohms\u003c\/li\u003e\n\u003cli\u003eFrequency Response: \/ - .5 dB 20 Hz - 20 kHz (Conforms to RIAA Equalization Curve)\u003c\/li\u003e\n\u003cli\u003ePWR: 9 - 15 VDC\u003c\/li\u003e\n\u003cli\u003eTHD .01% @ 1 kHz\u003c\/li\u003e\n\u003cli\u003eS\/N Ratio: \u0026gt;83 dB unweighted\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 1K Ohms\u003c\/li\u003e\n\u003cli\u003eSize: 3.25\" x 2\" x 1.5\"\u003c\/li\u003e\n\u003cli\u003eRIAA Equalization\u003c\/li\u003e\n\u003cli\u003eRCA inputs\/outputs - 1\/8 inch (3.5mm) TRS output.\u003c\/li\u003e\n\u003cli\u003eAC adapter included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":41004105072722,"sku":"BeVP29-NOB","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/262fecbf-f560-4546-99d9-36d86d4fac17.jpg?v=1716456115"},{"product_id":"bellari-vp549-phono-preamp-open-box","title":"Bellari VP549 Phono Preamp (Open Box)","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"productDescription_3d-uhdpIFfxbuhG5B7_INl\" data-selenium=\"overviewLongDescription\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eBellari VP549\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003efrom\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eRolls\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis a phono preamp with RIAA equalization curve. A recording is made with the low frequencies reduced and the high frequencies boosted, and on playback the opposite occurs. The VP549 phono preamp can be used with a turntable to deliver a flat frequency response during playback of records and tackles low-frequency noise, cartridge load capacitance, and attenuation of the signal level.\u003c\/p\u003e\n\u003cp\u003eThis phono preamp makes listening to your vinyl collection more rewarding. Equipped with RCA inputs that connect to your turntable and RCA outputs that connects to your amplifier, the VP549 is easy to set up and features a ground terminal to tame hum and a 3.5mm stereo headphone\/line output jack to monitor audio or connect it to an amplifier. The VP549 is bold, yet has a surprising attack that will take your rig to the next level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eConnecting the VP549\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eYou have an input that connects to your phonograph, and an output that plugs into your preamp or amplifier. Use the ground post to connect to your turntable's ground connection.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eRumble Filter\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eAKA \"subsonic filter\" cuts very low frequencies (below 20 Hz). The purpose of a filter like this is to get rid of annoying frequencies that disrupt the turntable's sound quality. A good rumble\/subsonic filter should be inaudible, meaning you cannot hear when it is on or off in the program material you are listening to.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eCartridge Load Capacitance\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eThe VP549 has three settings: 120 pF, 220 pF, and 330 pF. Set the switch in the position you feel sounds best to you. The difference might be very slight, but it is there. Most cartridges come with a capacitance load recommendation in the spec sheet for the cartridge.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eTrim and Gain\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eAttenuate the signal level up or down. It is not a volume control, meaning that signal will still be present even when the level is turned to the lowest point (in this case, -10 dB as labeled). If at half-way up you are at 0 dB output level, then all the way up you will have +4 dB more gain, and all the way down you will be at -10 dB down from a reference of the middle 0 dB.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bellari","offers":[{"title":"Default Title","offer_id":41004111331410,"sku":"BeVP549-NOB","price":142.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/1637046_b29e732d-c73f-4f62-8247-5b6f0bfede8c.jpg?v=1756822809"},{"product_id":"rolls-mp13-mini-mic-preamp-open-box","title":"Rolls MP13 Mini-Mic Preamp (Open Box)","description":"\u003cp\u003e\u003cstrong\u003eRolls MP13 Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Rolls MP13 Mini-Mic Preamp is a single-channel microphone preamp that is designed to provide a small and simple solution for a variety of applications. The unit sports 3.5mm and XLR inputs, XLR and 1\/4\" outputs, and a single gain control with a clip indicator. Phantom powering (+24V) is included for use with a condenser microphone. The 1\/4\" output is specially designed for use as either a mono unbalanced output or a stereo headphone output.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA simple and economic single-channel microphone preamp\u003c\/li\u003e\n\u003cli\u003e3.5mm and XLR inputs with a single gain control and clip indication\u003c\/li\u003e\n\u003cli\u003e1\/4\" and XLR outputs\u003c\/li\u003e\n\u003cli\u003eProvides +24V Phantom Power for condenser microphones\u003c\/li\u003e\n\u003cli\u003eOutput designed for mono or stereo applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":41005579665490,"sku":"RoMP13-NOB","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/10832284-f7d5-4579-b0bc-2660340789d5.jpg?v=1716471265"},{"product_id":"rolls-pb23-single-channel-phantom-power-supply-open-box","title":"Rolls PB23 - Single Channel Phantom Power Supply (Open Box)","description":"\u003cp\u003e\u003cstrong\u003eRolls PB23 Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Rolls PB23 is a single-channel miniature phantom power supply that provides 48 volts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle-channel 48 volt phantom power supply with all-metal case\u003c\/li\u003e\n\u003cli\u003ePower on LED\u003c\/li\u003e\n\u003cli\u003eNoiseless 100 kHz switching power supply\u003c\/li\u003e\n\u003cli\u003eOutput pull down resistors for universal mixer compatibility\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":41005580025938,"sku":"RoPB23-NOB","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/558e7482-ba87-49ff-82dd-543aed5fe34e.jpg?v=1716471285"},{"product_id":"rolls-he18-two-channel-audio-hum-and-buzz-remover","title":"Rolls HE18 Two-Channel Audio Hum and Buzz Remover","description":"\u003cp\u003e\u003cstrong\u003eRolls HE18 BUZZ OFF Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePerfect for musicians and audio professionals, the Rolls HE18 is a two-channel audio hum and buzz remover that virtually eliminates 60 Hz hum from a balanced or unbalanced line. The unit also converts unbalanced signals into balanced signals and vice versa, improving the overall noise performance of your audio system. Easy and convenient to use, the HE18 is completely passive and doesn't require power to operate.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEliminates ground-loop hum and buzz\u003c\/li\u003e\n\u003cli\u003eLeaves signal grounds connected\u003c\/li\u003e\n\u003cli\u003ePassive unit, no power required\u003c\/li\u003e\n\u003cli\u003eConverts balanced lines to unbalanced lines and vice versa\u003c\/li\u003e\n\u003cli\u003eAdjusts signal voltages to match difference in ground potential\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":41180717809746,"sku":"RoHE18","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/beb4a255-f7ac-4957-8cbf-9681592d3868.jpg?v=1725595553"},{"product_id":"rolls-db24-passive-stereo-direct-interface","title":"Rolls DB24 Passive Stereo Direct Interface","description":"\u003cp\u003e\u003cstrong\u003eRolls DB24 Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DB24 Passive Stereo Direct Interface from Rolls provides dual-channel isolation and is designed to connect high-impedance devices to mixers, audio interfaces, and other devices with low-impedance XLR inputs. The unit is completely passive and utilizes proprietary audio transformers for superior sound.\u003cbr\u003e\u003cbr\u003eHoused in a heavy-duty steel chassis to provide maximum reliability when used in demanding live sound reinforcement applications, the unit provides a variety of inputs, including stereo and mono 1\/4\", stereo RCA, and stereo 3.5mm TRS mini jack.\u003cbr\u003e\u003cbr\u003eThe DB24 is an ideal impedance-matching device for connecting any unbalanced stereo signal to a balanced system. Consumer audio equipment such as CD players, DVD players, MP3 players, etc., may be easily connected to a professional audio system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2-channel, transformer isolation DI\u003c\/li\u003e\n\u003cli\u003ePassive, no additional power required\u003c\/li\u003e\n\u003cli\u003eStereo RCA, 3.5mm TRS, and dual 1\/4\" inputs\u003c\/li\u003e\n\u003cli\u003eBalanced XLR outputs\u003c\/li\u003e\n\u003cli\u003eGround lift and mono\/stereo switches\u003c\/li\u003e\n\u003cli\u003eIndividual variable attenuators for each channel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":41197825196114,"sku":"RoDB24","price":99.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/21d2a433-c35b-4912-9372-ba40ae74a168.jpg?v=1726715743"},{"product_id":"rolls-pb23-single-channel-phantom-power-supply-open-box-1","title":"Rolls PB23 - Single Channel Phantom Power Supply (Open Box)","description":"\u003cp\u003e\u003cstrong\u003eRolls PB23 Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Rolls PB23 is a single-channel miniature phantom power supply that provides 48 volts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle-channel 48 volt phantom power supply with all-metal case\u003c\/li\u003e\n\u003cli\u003ePower on LED\u003c\/li\u003e\n\u003cli\u003eNoiseless 100 kHz switching power supply\u003c\/li\u003e\n\u003cli\u003eOutput pull down resistors for universal mixer compatibility\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":42030847033426,"sku":"RoPB23-OB","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/1625497.jpg?v=1745659244"},{"product_id":"rolls-he18-two-channel-audio-hum-and-buzz-remover-display-model","title":"Rolls HE18 Two-Channel Audio Hum and Buzz Remover (Display Model)","description":"\u003cp\u003e\u003cstrong\u003eRolls HE18 BUZZ OFF Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePerfect for musicians and audio professionals, the Rolls HE18 is a two-channel audio hum and buzz remover that virtually eliminates 60 Hz hum from a balanced or unbalanced line. The unit also converts unbalanced signals into balanced signals and vice versa, improving the overall noise performance of your audio system. Easy and convenient to use, the HE18 is completely passive and doesn't require power to operate.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEliminates ground-loop hum and buzz\u003c\/li\u003e\n\u003cli\u003eLeaves signal grounds connected\u003c\/li\u003e\n\u003cli\u003ePassive unit, no power required\u003c\/li\u003e\n\u003cli\u003eConverts balanced lines to unbalanced lines and vice versa\u003c\/li\u003e\n\u003cli\u003eAdjusts signal voltages to match difference in ground potential\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":42055662600274,"sku":"RoHE18-NB","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/1629135.jpg?v=1748242993"},{"product_id":"rolls-vp29-phono-preamp-open-box-1","title":"Rolls VP29 Phono Preamp (Open Box)","description":"\u003cp\u003eThe VP29 is a simple yet integral part of the vintage home audio enthusiast. Its circuitry is designed not only to provide the RIAA equalization curve, but smooth and quiet operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInput Sensitivity: 42 dB gain 1kHz, 47k Ohms\u003c\/li\u003e\n\u003cli\u003eInput Capacitance: 120pf\u003c\/li\u003e\n\u003cli\u003eSensitivity: 5mV for 635mV output\u003c\/li\u003e\n\u003cli\u003eInput Impedance: 47k Ohms\u003c\/li\u003e\n\u003cli\u003eFrequency Response: \/ - .5 dB 20 Hz - 20 kHz (Conforms to RIAA Equalization Curve)\u003c\/li\u003e\n\u003cli\u003ePWR: 9 - 15 VDC\u003c\/li\u003e\n\u003cli\u003eTHD .01% @ 1 kHz\u003c\/li\u003e\n\u003cli\u003eS\/N Ratio: \u0026gt;83 dB unweighted\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 1K Ohms\u003c\/li\u003e\n\u003cli\u003eSize: 3.25\" x 2\" x 1.5\"\u003c\/li\u003e\n\u003cli\u003eRIAA Equalization\u003c\/li\u003e\n\u003cli\u003eRCA inputs\/outputs - 1\/8 inch (3.5mm) TRS output.\u003c\/li\u003e\n\u003cli\u003eAC adapter included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":42238577770578,"sku":"BeVP29-OB","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/1640730.jpg?v=1765443715"},{"product_id":"bellari-vp549-phono-preamp-open-box-1","title":"Bellari VP549 Phono Preamp (Open Box)","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"productDescription_3d-uhdpIFfxbuhG5B7_INl\" data-selenium=\"overviewLongDescription\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eBellari VP549\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003efrom\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eRolls\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis a phono preamp with RIAA equalization curve. A recording is made with the low frequencies reduced and the high frequencies boosted, and on playback the opposite occurs. The VP549 phono preamp can be used with a turntable to deliver a flat frequency response during playback of records and tackles low-frequency noise, cartridge load capacitance, and attenuation of the signal level.\u003c\/p\u003e\n\u003cp\u003eThis phono preamp makes listening to your vinyl collection more rewarding. Equipped with RCA inputs that connect to your turntable and RCA outputs that connects to your amplifier, the VP549 is easy to set up and features a ground terminal to tame hum and a 3.5mm stereo headphone\/line output jack to monitor audio or connect it to an amplifier. The VP549 is bold, yet has a surprising attack that will take your rig to the next level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eConnecting the VP549\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eYou have an input that connects to your phonograph, and an output that plugs into your preamp or amplifier. Use the ground post to connect to your turntable's ground connection.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eRumble Filter\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eAKA \"subsonic filter\" cuts very low frequencies (below 20 Hz). The purpose of a filter like this is to get rid of annoying frequencies that disrupt the turntable's sound quality. A good rumble\/subsonic filter should be inaudible, meaning you cannot hear when it is on or off in the program material you are listening to.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eCartridge Load Capacitance\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eThe VP549 has three settings: 120 pF, 220 pF, and 330 pF. Set the switch in the position you feel sounds best to you. The difference might be very slight, but it is there. Most cartridges come with a capacitance load recommendation in the spec sheet for the cartridge.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2 class=\"h2_34R1Z4rcOIa8NE_99A_jkV\"\u003eTrim and Gain\u003c\/h2\u003e\n\u003cdiv class=\"description_2ub4q6HodBZr8d45BEOdIW\"\u003e\n\u003cdiv\u003eAttenuate the signal level up or down. It is not a volume control, meaning that signal will still be present even when the level is turned to the lowest point (in this case, -10 dB as labeled). If at half-way up you are at 0 dB output level, then all the way up you will have +4 dB more gain, and all the way down you will be at -10 dB down from a reference of the middle 0 dB.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"rolls","offers":[{"title":"Default Title","offer_id":42390507651154,"sku":"BeVP549-OB","price":134.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0002\/7053\/2620\/files\/1648049.jpg?v=1777992883"}],"url":"https:\/\/rockandsoul.com\/collections\/rolls\/brand_bellari.oembed","provider":"Rock and Soul DJ Equipment and Records","version":"1.0","type":"link"}