Home / Preamplifiers/Surround / tubed / Audio Research Reference II MK 2 Zoom Audio Research Reference II MK 2 Be the first to review this product SKU: ARCREF2MKII Audio Research Reference II MK 2, unused since 2014 in 11/21 Availability: In stock $4,300.00 Qty: Add to Cart Email to a Friend Add to Wishlist Product Description Additional Information Product Description Details Audio Research Reference II MK 2, unused since 2014 Additional Information Additional Information Call For Price No CMS tab