{"product_id":"heritage-audio-tt73","title":"Heritage Audio TT73","description":"\u003cp\u003eThe \u003cstrong\u003eHeritage Audio TT73\u003c\/strong\u003e is a desktop microphone preamplifier and DI, inspired by the legendary 1073 and designed as a portable solution for on-stage use or location recording.\u003c\/p\u003e\n\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/aTUJ9410S20?si=8J9Twf4awr6k_gJk\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTT-73\u003c\/strong\u003e delivers the bright, vintage, and clean sound of the legendary Heritage Audio 1073.  The preamp features separate input and output level controls, allowing the TT-73 to manage and saturate the input, creating a rich and colorful sound reminiscent of vintage consoles. The preamp is designed to amplify microphone signals up to +80 dB and line-level sources up to +50 dB. It includes a PAD switch with 20 dB attenuation of the microphone input before the input transformer to prevent overload when working with loud sources.\u003c\/p\u003e\n\n\u003ch3\u003eHeritage Audio TT73 Features\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eClass A microphone preamp with up to 80 dB gain, selectable minimum input impedance (HI-LO), balanced and floating. Higher gain positions show higher impedance, ideal for vintage ribbon microphones.\u003c\/li\u003e\n    \u003cli\u003eClass A 50 dB line preamp with bridged input impedance, balanced and floating.\u003c\/li\u003e\n    \u003cli\u003eDiscrete Class A direct input with ultra-high impedance J-Fet on a high-quality Neutrik Jack connector. The DI circuit is before the microphone input transformer, so in DI mode the transformer is engaged.\u003c\/li\u003e\n    \u003cli\u003eDI THRU jack with a ground lift switch.\u003c\/li\u003e\n    \u003cli\u003eSingle-ended Class A output stage using 2N3055 transistors with high gain.\u003c\/li\u003e\n    \u003cli\u003eSeparate gold-plated Neutrik XLR connectors for microphone and line inputs.\u003c\/li\u003e\n    \u003cli\u003eGold-plated Neutrik XLR output.\u003c\/li\u003e\n    \u003cli\u003ePAD: 20 dB\u003c\/li\u003e\n    \u003cli\u003eHigh-pass filter: Active fully discrete Class A 3rd order Bessel high-pass filter at 80 Hz. Slope of 18 dB\/octave.\u003c\/li\u003e\n    \u003cli\u003eOUTPUT control allows for preamp overload.\u003c\/li\u003e\n    \u003cli\u003eInternal silent power supply accepting worldwide voltages from 100 to 240 V.\u003c\/li\u003e\n    \u003cli\u003eCarnhill input and output transformers.\u003c\/li\u003e\n    \u003cli\u003e3 stages of gain, authentic modular design of the B283 gain card.\u003c\/li\u003e\n    \u003cli\u003eMarconi-style control knobs and vintage-style engraved buttons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHeritage Audio TT73 Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eMicrophone input impedance: High=1200 Ω minimum; Low=300 Ω minimum. Higher gain positions gradually have greater impedances, optimum for low gain ribbon mics. Input is transformer balanced and floating.\u003c\/li\u003e\n    \u003cli\u003eLine input impedance: 10 kΩ bridging, transformer balanced and floating.\u003c\/li\u003e\n    \u003cli\u003eOutput impedance: Less than 75 Ω, transformer balanced and floating, to drive a load of 600 Ω.\u003c\/li\u003e\n    \u003cli\u003eD.I. input impedance: Greater than 2 MΩ, unbalanced.\u003c\/li\u003e\n    \u003cli\u003eMaximum output: Greater than +26.5 dBu into 600 Ω (internally terminated).\u003c\/li\u003e\n    \u003cli\u003eTHD: Less than 0.025% at 1 kHz, Less than 0.05% at 100 Hz.\u003c\/li\u003e\n    \u003cli\u003eFrequency response: 20 Hz (+0.3 dB) to 20 kHz (-0.2 dB).\u003c\/li\u003e\n    \u003cli\u003eMaximum Gain: Slightly greater than 80 dB.\u003c\/li\u003e\n    \u003cli\u003ePower supply: Internal no-noise PSU, accepting worldwide voltages from 100 V to 240 V.\u003c\/li\u003e\n    \u003cli\u003eDimensions (W x H x L): 238 mm x 95 mm x 250 mm.\u003c\/li\u003e\n    \u003cli\u003eWeight: 3.020 Kg.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Heritage Audio","offers":[{"title":"Default Title","offer_id":58444784697676,"sku":"42547","price":1034.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/9854\/1644\/files\/HeritageAudioTT731.jpg?v=1786981436","url":"https:\/\/noiseroom.lt\/lt\/products\/heritage-audio-tt73","provider":"Noise Room","version":"1.0","type":"link"}