{"product_id":"afw-02091616","title":"Tegeler Passive Tube Equalizer","description":"The Tegeler Audio Classic Equalizer is a high-end passive tube equalizer built to deliver the unmistakable warmth and musicality of classic vintage EQ circuits. Its passive boost-and-cut topology allows for broad, natural shaping of low end, silky enhancement of the highs, and subtle smoothing of harsh frequencies. Adjustable treble bandwidth and transformer-balanced tube stages introduce gentle harmonic richness without overwhelming the source. Designed for tracking, mix-bus work, and mastering, the Classic Equalizer adds depth, weight, and openness while maintaining a clean, natural character. It's ideal for engineers seeking timeless analog tone with precise yet musical control.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e• Stereo analog device\u003cbr\u003e• Low boost\/attenuation (Low shelf):\u003cbr\u003e• 20Hz, 30Hz, 60Hz, 100Hz\u003cbr\u003e• High boost (Peak with variable bandwidth):\u003cbr\u003e• 3kHz, ,4kHz, ,5kHz, 6kHz, 8kHz, 10kHz, 12kHz, 16kHz, 20kHz\u003cbr\u003e• High attenuation: (High shelf) 5kHz, 10kHz, 20kHz\u003cbr\u003e• Balanced input and output\u003cbr\u003e• Input and output transformer\u003cbr\u003e• Bypass switch\u003cbr\u003e• Internal power supply","brand":"Hal Leonard","offers":[{"title":"Default Title","offer_id":50541622067279,"sku":"AFW-02091616","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1271\/8671\/files\/AFW-02091616_cbf94d4d-17dc-4194-8ab7-75e370dec640.jpg?v=1790703788","url":"https:\/\/amadeussheetmusic.com\/products\/afw-02091616","provider":"Amadeus Sheet Music","version":"1.0","type":"link"}