Grado RA-1 Battery Headphone Amplifier

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£420.00 Free UK Delivery

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Product information

The RA-1 is a state-of-the-art battery powered headphone amplifier that offers the deepest sonic blacks due to a DC power source and allows you to hear your headphones like never before. The RA-1 is machined from a solid block of mahogany and measures 5' wide, 5 1/2' deep and 1 1/2' tall and weighs in at 12 oz.

The RA-1 is powered by two 9-Volt batteries that will drive the amp for 40 to 50 hours of listening pleasure. And the sound? Just like all Grados: warm, smooth, full-bodied, non-fatiguing and rich. Hook it up to any line source (portable or in-home) and drive your Grado headphones to their full potential.

After a long period of absence in the UK, the RA-1 is thankfully available again and is arguably the best battery powered headphone amplifier ever made.

Reviews

'With a tube-like rendering of timbre and a sweet, relaxed sound, the Grado RA-1 makes extended headphone listening a joy. Although battery-driven, the RA-1 is more at home in your equipment rack or on your desk than out on the road. A beautiful wooden case finishes off this gem' ( Absolute Sound review)

'The RA1 offers excellent value for money, and does a fine job powering phones from Sennheiser, Shure and Ultimate Ears. It does especially well with Grado ‘phones and does not embarrass itself next to state of the art components' ( Inner Ear Magazine)

'When paired with the high-quality RS1 headphones, the RA1 delivers music that is clearer and more life-like than most speakers' ( Satellite Direct)

'With the Grado Reference RA1 handling the amplification, music was rendered truer, clearer, and more life-like than I had ever imagined was possible' ( Audio Magazine)

'This is such a nice job of product engineering by John Grado, I think it earns a nomination for 'Dudely Product of the Year Award.' ( Positive Feedback)

'Listening to my RS1's through the Grado RA1 headphone amp is like listening to a live performance, it puts you right there' ( Saxophonist with the Billy Joel Band)

We are authorised Grado retailers. Brand new and complete with the full warranty.

FREE UK DELIVERY