{"product_id":"luxury-precision-ea4-flagship-portable-high-power-tube-amp","title":"Luxury Precision EA4 Flagship Portable High-Power Tube Amp","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/010.jpg?v=1788346361\" alt=\"\"\u003e\u003cbr\u003e\u003cb\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LPO.jpg?v=1788346680\" alt=\"\"\u003e\u003cbr\u003eMaximizing Tube Sound - Part 1\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOptimized Tube Preamplifier Circuit:\u003c\/b\u003e Voltage amplification is handled exclusively by the tube preamplifier, feeding high voltage to the anode.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUnleashed Richness and Tone:\u003c\/b\u003e This design fully unleashes the unique tone of vacuum tubes, delivering warm, rich, and detailed sound.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDiscrete Power Stage:\u003c\/b\u003e The fully discrete power amplifier is designed purely for power output, focusing on current amplification.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/L_P3.jpg?v=1788346727\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMaximizing Tube Sound - Part 2\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eILA Mode and High Gain:\u003c\/b\u003e The combination of ILA mode with high gain allows for additional tube amplification gain, further enhancing the richness of the timbre.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eActive Input Attenuation:\u003c\/b\u003e Instead of simple resistance voltage division, it actively attenuates the gain of the input stage to preserve every musical detail.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePanasonic Capacitors:\u003c\/b\u003e Utilizes 12 Panasonic capacitors for coupling in the tube preamplifier stage.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP_AMP.jpg?v=1788346906\" alt=\"\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCombination of Multiple Tube Tones\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSound Style Adjustment:\u003c\/b\u003e ILA and ILH modes, combined with high and low gain settings for the tube, offer 4 rich and smooth sound styles.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eListening Versatility:\u003c\/b\u003e Allows for adapting the sound signature to unlock diverse auditory experiences depending on the headphones used.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP09.jpg?v=1788347039\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eComprehensive Microphonic Effect Reduction I\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCNC Metal Shielding:\u003c\/b\u003e Features a high-precision CNC machined metal shield to protect the two vacuum tubes.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVibration Isolation:\u003c\/b\u003e Incorporates 8 high-damping silicone pads on both sides to absorb mechanical shocks and external vibrations.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP4.jpg?v=1788347165\" alt=\"\"\u003e\u003cbr\u003e\u003cb\u003e\u003cbr\u003eComprehensive Microphonic Effect Reduction II\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for the specific resonance frequency of the KORG Nutube 6P1 filament.\u003cbr\u003e\u003cbr\u003eSpecially selected ultra-high power supply rejection ratio (PSRR) linear voltage regulators, with a resonance frequency of 5.8kHz to reduce valve noise.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP6.jpg?v=1788347609\" alt=\"\"\u003e\u003cbr\u003e\u003cb\u003e\u003cbr\u003eComprehensive Microphonic Effect Reduction III\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFilament Constant Voltage Mode\u003c\/strong\u003e: Applies a fixed voltage, using current-limiting resistors and the filament's internal resistance to stabilize the filament current.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFilament Constant Current Mode\u003c\/strong\u003e: Uses a constant current source circuit with discrete components to supply a constant current to the filament.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP2.jpg?v=1788347857\" alt=\"\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHigh Reliability and Low Resistance Batteries\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOriginal Panasonic Cells:\u003c\/b\u003e Equipped with 6 highly reliable and very low internal resistance 18650 battery cells.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePrecision Matching:\u003c\/b\u003e Each cell in the battery pack is carefully selected with an internal resistance difference of less than 0.5 milliohms to maximize lifespan and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP1.jpg?v=1788348274\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHigh-Capacity Power Supply Ensures Exceptional Stability.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBattery with 6 x 18650 cells, total capacity of almost 20,000mAh. Two independent high-power, positive and negative power supplies. 16 Nichicon 10 x 12.5mm audiophile-grade aluminum electrolytic capacitors for discrete amplifier power filtering.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP7.jpg?v=1788348729\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eThe Secret Behind Its High Output Power:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOver 6.5W per channel @32 ohm and 1.2W @300 ohm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe discrete headphone amplifier output uses 8 TO252 power transistors. The components are spaced to facilitate heat dissipation and reduce interference. The emitter resistor of each transistor is composed of 3 resistors in parallel, with a total of 24 precision alloy resistors of 250mW and 0.5% low thermal drift throughout the system. These features ensure that the sound remains stable even during continuous high-power output.\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP4o.jpg?v=1788349586\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTwo Analog Power Settings.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe headphone amplifier can be powered with ±13V or ±15V. The different voltage settings offer distinct sound characteristics, allowing the power to be adapted to a wide variety of in-ear and over-ear headphones.\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP65.jpg?v=1788349870\" alt=\"\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e11-Level Static Current Adjustment (Class AB and Class A)\u003cbr\u003e\u003cbr\u003e\u003c\/b\u003e\u003cb\u003eClass AB Operation:\u003c\/b\u003e Minimum static current setting of approximately 10mA for lower consumption and fast response.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eClass A Operation:\u003c\/b\u003e Maximum static current setting of up to 50mA for maximum fluidity, warmth, and tonal texture.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCustom Control:\u003c\/b\u003e Dedicated knob with smooth tactile clicks for easy switching and fine-tuning performance according to the headphones.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP67.jpg?v=1788350023\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePreamplifier \/ Amplifier Switching Function\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEasy Mode Switching:\u003c\/b\u003e Double-click the power button to switch between Pure Tube Preamplifier Mode and Tube Preamplifier + Discrete Headphone Amplifier Mode.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePrevents Accidental Touches:\u003c\/b\u003e Avoids abrupt volume changes or unintentional power-ons that often occur with traditional toggle switches.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP82.jpg?v=1788350195\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eVolume Control: Art and Technology\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFlagship Grade Potentiometer:\u003c\/b\u003e Same potentiometer used in the LP6 7th Anniversary special edition.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVisible Scale Markings:\u003c\/b\u003e Design with graduated volume markings to see the exact level at a glance, ensuring fine, precise, and smooth adjustment without sudden volume jumps.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/PP6_Pro_Raptor-14_f7486244-7cea-4261-8b8a-5b837b053343.jpg?v=1788350601\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Luxury Precision","offers":[{"title":"Default Title","offer_id":49139325305087,"sku":null,"price":2890000.0,"currency_code":"CLP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/5000\/9855\/files\/LP01.jpg?v=1788335777","url":"https:\/\/audiophileimport.cl\/en\/products\/luxury-precision-ea4-flagship-portable-high-power-tube-amp","provider":"Audiophile Import®","version":"1.0","type":"link"}