{"title":"EQ modules","description":"","products":[{"product_id":"iridium-duo","title":"Iridium Pair - Two of our Inductor EQ's","description":"\u003cp\u003e\u003cb\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cem\u003eIridium Pair - because everyone wants TWO.\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cem\u003eIridium Pair is two of our Iridium modules in a single product box.\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe Interphase Audio Iridium is a single-channel module with 4-band Inductor EQ\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eInductor based circuits are the “holy grail” of equaliser designs.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan class=\"Apple-converted-space\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003eThese were used for example in the much favoured Pultec equaliser design, which dates back to the late 1950’s.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOwing to their unique electro-mechanical properties, inductors impart a character all of their own, which is very distinctive.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eThe Iridium uses 16 inductors spread out over the four bands, with custom-wound inductors in the low-mid and low bands, giving precise control and the inductor sound on each band.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eIridium is a Class-A, discrete design, with all components carefully chosen and matched to provide an extremely musical sound. You’ll get a very distinctive sound, which most sound engineers love.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHowever, this circuit is a decidedly modern design with updated techniques and components that were simply not available 60 years ago. This is definitely not a “clone” or “copy” (we at Interphase Audio do not build clones or copies of anything)\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eAs a consequence of using inductors, this provides a “peaking” or “bell” characteristic, giving tight control of the frequency selected.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEach band provides switch selection of any of 6 carefully selected frequencies chosen at musically pleasing intervals.\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEach band allows very fine control of up to 15dB cut or boost per band.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Iridium - 500 series Inductor Equalizer\" href=\"https:\/\/www.interphase.audio\/iridium\/\" target=\"_blank\"\u003e\u003cb\u003eCheck out the product page on the Interphase Audio website\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv id=\"stacks_out_1513\" class=\"stacks_out\"\u003e\n\u003cdiv id=\"stacks_in_1513\" class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cspan\u003e\u003cu\u003eIridium Specifications\u003c\/u\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e• Input impedance: 30kohm\u003cbr\u003e• Common mode rejection: 80dB\u003cbr\u003e• Distortion: 0.001% (+4dBu output, 1kHz)\u003cbr\u003e• Frequency response: 7Hz to 70kHz (-3dB)\u003cbr\u003e• Boost \/ Cut range: +\/-15dB (continuously variable)\u003cbr\u003e• HF Frequency: 8, 9, 10, 12, 14, 16 kHz (stepped)\u003cbr\u003e• HMF Frequency: 1.5, 3, 5, 6, 7, 8 kHz (stepped)\u003cbr\u003e• LMF Frequency: 125, 250, 500, 1k, 2k, 4k Hz (stepped)\u003cbr\u003e• LF Frequency: 50, 80, 100, 150, 300, 600 Hz (stepped)\u003cbr\u003e• Filter Q: 1.2 (just over 1 octave)\u003cbr\u003e• Maximum input level (500 module): +28dBu\u003cbr\u003e• Maximum input level (Octa module): +32dBu\u003cbr\u003e• Maximum output level (500 module): +28dBu (10k load)\u003cbr\u003e• Maximum output level (Octa module): +32dBu (10k load)\u003cbr\u003e• Nominal input and output level: +4dBu (electronically balanced)\u003cbr\u003e• Output impedance: 100 ohm\u003cbr\u003e• Noise floor (typical, unweighted, EQ on): -80dBu\u003cbr\u003e• Noise floor (unweighted, EQ off): -100dBu\u003cbr\u003e• I\/O connections (Rack XLRs): pin 2 +, pin 3 -, pin 1 ground\u003cbr\u003e• Current requirement: 81mA (maximum) per rail\u003cbr\u003e• Size and weight: Standard 500 Series, 0.75 kilos\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"stacks_out_1520\" class=\"stacks_out\"\u003e\n\u003cdiv id=\"stacks_in_1520\" class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cspan\u003e\u003cem\u003eIridium is available as 500 module or as Octa module, \u003c\/em\u003e\u003c\/span\u003e\u003cspan\u003e\u003cem\u003ewith “Silver” or “Black” faceplate\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Interphase Audio","offers":[{"title":"Black \/ 500-series module","offer_id":47811343581528,"sku":"IAM-523-D","price":825.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ Octa series module","offer_id":56760258527576,"sku":"IAM-533-D","price":825.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 500-series module","offer_id":47811343614296,"sku":"IAM-523-S","price":825.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ Octa series module","offer_id":56760258560344,"sku":"IAM-533-S","price":825.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/4507\/0329\/files\/Iridium_D_Duo_sq_1500.jpg?v=1707844815"},{"product_id":"helium","title":"Helium - Hybrid EQ","description":"\u003cp\u003e\u003cb\u003eHelium - 4-band Hybrid EQ\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHelium combines capacitor based EQ circuits and filters with inductor based EQ circuits.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHelium is the combination of our Carbon and Iridium EQ, with extra filter circuits added.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eHelium is a full Class-A, discrete design, and all components have been carefully chosen and matched to provide an extremely musical sound.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThis is definitely not a “clone” or “copy” (we at Interphase Audio do not build clones or copies of anything).\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLike all our products, Helium is unique and features great sound and straight forward functionality.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eThe four bands have large overlapping frequency controls, making it well-suited for minimising problematic frequencies, or giving an extra boost to others.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe HF and LF band can be used as either bell-curved EQ or as HI-Cut \/ Lo-Cut filter.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan class=\"Apple-converted-space\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003eEach band can be cut or boost with as much as 15dB per band.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHelium runs on 24V and has the Octa connector.\u003cbr\u003eHelium can only be used in Octa Racks (and some 51x  racks)\u003cbr\u003e\u003cspan\u003e\u003cem\u003eHelium is also available as 500 module, which will fit the Octa Rack or any 500 rack.\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.interphase.audio\/helium\/\" title=\"Helium - 500 series EQ\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cb\u003eProduct page\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Interphase Audio","offers":[{"title":"Silver \/ 500-series module","offer_id":47745913291096,"sku":"IAM-502-S","price":574.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ Octa series module","offer_id":56779421843800,"sku":"IAM-512-S","price":574.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 500-series module","offer_id":47745913323864,"sku":"IAM-502-D","price":574.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ Octa series module","offer_id":56779421876568,"sku":"IAM-512-D","price":574.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/4507\/0329\/products\/Helium_2_sq_2000.webp?v=1672783657"},{"product_id":"iridium-inductor-eq","title":"Iridium - Inductor EQ","description":"\u003cp\u003e\u003cb\u003eIridium is a single channel, 4-band Inductor EQ.\u003cbr\u003e\u003cbr\u003e\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eInductor based circuits are the “holy grail” of equaliser designs.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan class=\"Apple-converted-space\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003eThese were used for example in the much favoured Pultec equaliser design, which dates back to the late 1950’s.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOwing to their unique electro-mechanical properties, inductors impart a character all of their own, which is very distinctive.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eThe Iridium uses 16 inductors spread out over the four bands, with custom-wound inductors in the low-mid and low bands, giving precise control and the inductor sound on each band.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eIridium is a Class-A, discrete design, with all components carefully chosen and matched to provide an extremely musical sound. You’ll get a very distinctive sound, which most sound engineers love.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHowever, this circuit is a decidedly modern design with updated techniques and components that were simply not available 60 years ago. This is definitely not a “clone” or “copy” (we at Interphase Audio do not build clones or copies of anything)\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eAs a consequence of using inductors, this provides a “peaking” or “bell” characteristic, giving tight control of the frequency selected.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEach band provides switch selection of any of 6 carefully selected frequencies chosen at musically pleasing intervals.\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEach band allows very fine control of up to 15dB cut or boost per band.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv class=\"stacks_out\" id=\"stacks_out_1513\"\u003e\n\u003cdiv class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\" id=\"stacks_in_1513\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cspan\u003e\u003cu\u003eIridium Specifications\u003c\/u\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e• Input impedance: 30kohm\u003cbr\u003e• Common mode rejection: 80dB\u003cbr\u003e• Distortion: 0.001% (+4dBu output, 1kHz)\u003cbr\u003e• Frequency response: 7Hz to 70kHz (-3dB)\u003cbr\u003e• Boost \/ Cut range: +\/-15dB (continuously variable)\u003cbr\u003e• HF Frequency: 8, 9, 10, 12, 14, 16 kHz (stepped)\u003cbr\u003e• HMF Frequency: 1.5, 3, 5, 6, 7, 8 kHz (stepped)\u003cbr\u003e• LMF Frequency: 125, 250, 500, 1k, 2k, 4k Hz (stepped)\u003cbr\u003e• LF Frequency: 50, 80, 100, 150, 300, 600 Hz (stepped)\u003cbr\u003e• Filter Q: 1.2 (just over 1 octave)\u003cbr\u003e• Maximum input level (500 module): +28dBu\u003cbr\u003e• Maximum input level (Octa module): +32dBu\u003cbr\u003e• Maximum output level (500 module): +28dBu (10k load)\u003cbr\u003e• Maximum output level (Octa module): +32dBu (10k load)\u003cbr\u003e• Nominal input and output level: +4dBu (electronically balanced)\u003cbr\u003e• Output impedance: 100 ohm\u003cbr\u003e• Noise floor (typical, unweighted, EQ on): -80dBu\u003cbr\u003e• Noise floor (unweighted, EQ off): -100dBu\u003cbr\u003e• I\/O connections (Rack XLRs): pin 2 +, pin 3 -, pin 1 ground\u003cbr\u003e• Current requirement: 81mA (maximum) per rail\u003cbr\u003e• Size and weight: Standard 500 Series, 0.75 kilos\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stacks_out\" id=\"stacks_out_1520\"\u003e\n\u003cdiv class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\" id=\"stacks_in_1520\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cem\u003eIridium is available as 500 or Octa module with “Silver” or “Black” faceplate\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cb\u003e\u003cspan\u003e\u003cem\u003e\u003ca href=\"https:\/\/www.interphase.audio\/iridium\/\" title=\"Iridium - 500 series Inductor Equalizer\" rel=\"noopener\" target=\"_blank\"\u003eCheck out the product page on the Interphase Audio website\u003c\/a\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Interphase Audio","offers":[{"title":"Silver \/ 500-series module","offer_id":55761021370712,"sku":"IAM-503-S","price":491.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ Octa series module","offer_id":56779005624664,"sku":"IAM-513-S","price":491.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 500-series module","offer_id":55761021403480,"sku":"IAM-503-D","price":491.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ Octa series module","offer_id":56779005657432,"sku":"IAM-513=D","price":491.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/4507\/0329\/products\/Iridium_2_sq_2000.jpg?v=1763328456"},{"product_id":"carbon-classic-eq","title":"Carbon - Classic EQ","description":"\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eCarbon is a single channel, 4-band Capacitive EQ module.\u003cbr\u003e\u003cbr\u003e\u003c\/b\u003e\u003cb\u003eCapacitor based EQ circuits can be considered the “classic” equaliser design, as used in a lot of well known EQ’s (SSL, API, Neve, etc).\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCarbon is our take on this classic EQ.\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCarbon is a full Class-A, discrete design, and all components have been carefully chosen and matched to provide an extremely musical sound.\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThis is definitely not a “clone” or “copy” (we at Interphase Audio do not build clones or copies of anything).\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLike all our products, Carbon features ultimate sound and straight forward functionality.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe four EQ bands have large overlapping frequency controls, making it well-suited for minimising problematic frequencies, or giving an extra boost to others.\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe HF and LF band can be used as either shelf or peak,\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/b\u003e\u003cb\u003efor extra punch, dimension or control of high- and low-end.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEach band can be cut or boost with as much as 15dB per band.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener noreferrer\" title=\"Carbon - 500 series EQ\" href=\"https:\/\/www.interphase.audio\/carbon\/\" target=\"_blank\"\u003e\u003cb\u003eProduct page on the Interphase Audio website\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv id=\"stacks_out_1757\" class=\"stacks_out\"\u003e\n\u003cdiv id=\"stacks_in_1757\" class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cspan\u003e\u003cu\u003eSpecifications\u003c\/u\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e• Input impedance: 30kohm\u003cbr\u003e• Common mode rejection: 80dB\u003cbr\u003e• Distortion: 0.001% (+4dBu output, 1kHz)\u003cbr\u003e• Frequency response: 7Hz to 70kHz (-3dB)\u003cbr\u003e• Boost \/ Cut range: +\/-15dB (continuously variable)\u003cbr\u003e• HF Frequency: 1.2 kHz - 22 kHz (continuously variable)\u003cbr\u003e• HMF Frequency: 0.5 kHz - 8 kHz (continuously variable)\u003cbr\u003e• LMF Frequency: 100 Hz - 1.8 kHz (continuously variable)\u003cbr\u003e• LF Frequency: 25 Hz - 440 Hz (continuously variable)\u003cbr\u003e• Filter Q: 1.2 (just over 1 octave)\u003cbr\u003e• Maximum input level (500 module): +28dBu\u003cbr\u003e• Maximum input level (Octa module): +32dBu\u003cbr\u003e• Maximum output level (500 module): +28dBu (10k load)\u003cbr\u003e• Maximum output level (Octamodule): +32dBu (10k load)\u003cbr\u003e• Nominal input and output level: +4dBu (electronically balanced)\u003cbr\u003e• Output impedance: 100 ohm\u003cbr\u003e• Noise floor (typical, unweighted, EQ on): -80dBu\u003cbr\u003e• Noise floor (unweighted, EQ off): -100dBu\u003cbr\u003e• I\/O connections (Rack XLRs): pin 2 +, pin 3 -, pin 1 ground\u003cbr\u003e• Current requirement: 111mA (maximum) per rail\u003cbr\u003e• Size and weight: Standard 500 Series, 0.6 kilos\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"stacks_out_1760\" class=\"stacks_out\"\u003e\n\u003cdiv id=\"stacks_in_1760\" class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cem\u003eCarbon is available as 500 or Octa module with “Silver” or “Black” faceplate\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Interphase Audio","offers":[{"title":"Silver \/ 500-series module","offer_id":55826035376472,"sku":"IAM-501-S","price":395.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ Octa series module","offer_id":56779278418264,"sku":"IAM-511-S","price":395.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 500-series module","offer_id":55826035409240,"sku":"IAM-501-D","price":395.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ Octa series module","offer_id":56779278451032,"sku":"IAM-511-D","price":395.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/4507\/0329\/products\/Carbon_2_sq_2000.jpg?v=1763328412"},{"product_id":"helium-500-duo-hybrid-eq","title":"Helium Pair - Two  of our Hybrid EQ's","description":"\u003cp\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cb\u003eHelium Pair - because everyone wants TWO.\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cb\u003eHelium Pair is two of our Helium modules in a single product box.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe Interphase Audio Helium is a single-channel module with 4-band Hybrid EQ\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHelium combines capacitor based EQ circuits and filters with Inductor based equaliser circuits.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHelium is the combination of our Carbon and Iridium EQ, with extra filter circuits added.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eHelium is a full Class-A, discrete design, and all components have been carefully chosen and matched to provide an extremely musical sound.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThis is definitely not a “clone” or “copy” (we at Interphase Audio do not build clones or copies of anything).\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLike all our products, Helium is unique and features great sound and straight forward functionality.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eThe four bands have large overlapping frequency controls, making it well-suited for minimising problematic frequencies, or giving an extra boost to others.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe HF and LF band can be used as either bell-curved EQ or as HI-Cut \/ Lo-Cut filter.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan class=\"Apple-converted-space\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003eEach band can be cut or boost with as much as 15dB per band.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Helium - 500 series Hybrid Equalizer\" href=\"https:\/\/www.interphase.audio\/helium\/\" target=\"_blank\"\u003e\u003cb\u003eCheck out the product page on the Interphase Audio website\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv id=\"stacks_out_1445\" class=\"stacks_out\"\u003e\n\u003cdiv id=\"stacks_in_1445\" class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cspan\u003e\u003cu\u003eSpecifications\u003c\/u\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e• Input impedance: 30kohm\u003cbr\u003e• Common mode rejection: 80dB\u003cbr\u003e• Distortion: 0.001% (+4dBu output, 1kHz)\u003cbr\u003e• Frequency response: 7Hz to 70kHz (-3dB)\u003cbr\u003e• Boost \/ Cut range: +\/-15dB (continuously variable)\u003cbr\u003e• HF Frequency: 1.2 kHz - 22 kHz (continuously variable)\u003cbr\u003e• HF Frequency switchable to 12 dB per octave sweepable Hi-Cut filter 1.2 kHz - 22 kHz\u003cbr\u003e• HMF Frequency: 1.5, 3, 5 6, 7, 8 kHz (stepped)\u003cbr\u003e• LMF Frequency: 125, 250, 500, 1k, 2k, 4k Hz (stepped)\u003cbr\u003e• LF Frequency: 25 Hz - 440 Hz (continuously variable)\u003cbr\u003e• LF Frequency switchable to 12 dB per octave sweepable Lo-Cut filter 25 Hz - 440 Hz\u003cbr\u003e• Filter Q: 1.2 (just over 1 octave)\u003cbr\u003e• Maximum input level (500 module): +28dBu\u003cbr\u003e• Maximum input level (Octa module): +32dBu\u003cbr\u003e• Maximum output level (500 module): +28dBu (10k load)\u003cbr\u003e• Maximum output level (Octa module): +32dBu (10k load)\u003cbr\u003e• Nominal input and output level: +4dBu (electronically balanced)\u003cbr\u003e• Output impedance: 100 ohm\u003cbr\u003e• Noise floor (typical, unweighted, EQ on): -80dBu\u003cbr\u003e• Noise floor (unweighted, EQ off): -100dBu\u003cbr\u003e• I\/O connections (Rack XLRs): pin 2 +, pin 3 -, pin 1 ground\u003cbr\u003e• Current requirement: 129mA (maximum) per rail\u003cbr\u003e• Size and weight: Standard 500 Series, 0.7 kilos\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"stacks_out_1452\" class=\"stacks_out\"\u003e\n\u003cdiv id=\"stacks_in_1452\" class=\"stacks_in com_elixir_stacks_foundryParagraph_stack\"\u003e\n\u003cp class=\"foundry-paragraph-override theme_style  theme_style  text-xs-left\"\u003e\u003cspan\u003e\u003cem\u003eHelium is available as 500 module or as Octa module, with Silver or Black faceplate.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Interphase Audio","offers":[{"title":"Silver \/ 500-series module","offer_id":56755888619864,"sku":"IAM-522-S","price":925.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ Octa series module","offer_id":56760183423320,"sku":"IAM-532-S","price":925.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 500-series module","offer_id":56755888652632,"sku":"IAM-522-D","price":925.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ Octa series module","offer_id":56760183456088,"sku":"IAM-532-D","price":925.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/4507\/0329\/files\/Helium_D_sq_1000.jpg?v=1763328438"}],"url":"https:\/\/store.interphase.audio\/collections\/500-eq-modules\/eq-modules.oembed","provider":"Interphase Audio","version":"1.0","type":"link"}