The Reference 7 was created to fully incorporate the latest achievements and technological advancements of Audio Research into the wider application of reference-level preamplifiers.
\nIt’s not a modification of an existing design, but rather a direct result of the same entirely new development process used to create the Reference 20. The goal is clear: to create a product with focused, pure sound that truly reflects the musicality of the music, while maintaining the core advantages of this new platform.
\nShared Foundation
\nThe core of Reference 7 is the same mechanical structure as Reference 20.
\nA multi-layered metal chassis controls resonance through controlled energy distribution, while a custom-designed floating counterweight circuit board protects the integrity of the signal path. These are core design elements aimed at maintaining the transparent sound quality achieved by the flagship platform
\nSecond only to the REF20, the Reference 7’s superior clarity and spatial resolution significantly outperform previous flagship models.
\nPrecise Control
\nThe power supply design of the Reference 7 is centered on reducing noise floor and enhancing long-term stability.
\nThe transition to solid-state regulation enables extremely low noise and higher reliability, while key components, including the reference-grade output coupling capacitor derived from the flagship design, ensure that signal purity remains constant.
\nThe Reference 7 skillfully balances its various technologies, delivering exceptional resolution without sacrificing musical coherence and flow. We conducted rigorous listening and tuning to ensure that the Reference 7 not only resolves details but also, when needed, displays a resilient and textured tone that surpasses its predecessors. In short, it must play music, not just review recordings. We offer no compromise
\nThe new standard, Reference 7, is not an improvement over previous products, but a significant advancement.
\nIt leverages the experience and innovations of a completely new development platform, surpassing previous reference designs regardless of the requirements. It represents the perfect, uncompromising embodiment of modern audio research performance<\/p>\n
Type: Vacuum-tube line preamplifier
\nTube Complement: (2) 6H30P dual triodes
\nOutput Polarity: Balanced and Single-Ended (SE) \u2013 inverting
\nCircuit Enhancements: Multi-metal layered chassis for resonance damping
\nImpedance & Connectivity
\nInput Impedance: 25K ohms Balanced, 25K ohms SE
\nOutput Impedance: 600 ohms Balanced, 375 ohms SE
\nConnections: Full set of balanced (XLR) and unbalanced (RCA) I\/O
\nPower & Dimensions
\nPower Requirements: 100-135VAC 60Hz or 200-250VAC 50\/60Hz
\nPower Consumption: 60 watts maximum, 4.4 watts in Standby
\nDimensions (W x H x D): 19\u201d x 7\u201d x 17.5\u201d (Includes knobs and rear bumpers)
\nWeight: 33 lbs (15 kg) Net; 48 lbs (21.8 kg) Shipping
\nKey Features
\nVolume Control: Resistor ladder-based control for precise, quiet adjustments
\nDisplay: Upgraded interactive touchscreen front panel
\nNoise Floor: Advanced circuit isolation drastically reduces microphonics and tube ringing<\/p>\n
REFERENCE 7 The Reference 7 was created to fully incorporate the latest achievements and technological advancements of Audio Research into the wider application of reference-level…<\/p>\n","protected":false},"featured_media":127692,"template":"","meta":[],"pwb-brand":[9845],"product_cat":[10176,11059],"product_tag":[],"class_list":{"0":"post-128606","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"pwb-brand-audio-research","7":"product_cat-preamplifier","8":"product_cat-audio-research-preamplifier","9":"product_shipping_class-c-class","10":"pa_color-black","11":"pa_color-silver","13":"first","14":"onbackorder","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"aioseo_notices":[],"etheme_brands":{"errors":{"invalid_taxonomy":["Invalid taxonomy."]},"error_data":[]},"brands":[{"id":9845,"name":"AUDIO RESEARCH","slug":"audio-research"}],"_links":{"self":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product\/128606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product\/128606\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/media\/127692"}],"wp:attachment":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/media?parent=128606"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/pwb-brand?post=128606"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product_cat?post=128606"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product_tag?post=128606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}