Average Reviews:
(More customer reviews)I am writing this review to clear up some distortions of reality concerning this product. This little box comes in at least 3 versions. The first is a battery operated only version. The second is a AC power only version. The first two are relatively low powered with excellent sound when paired with a set of Grado headphones as intended. Most Grado headphones are low impedance and high efficiency cans.
They don't require a lot of power to push them. The thirdoption is the ACHG unit. This stands for AC powered with high gain. These will push high end high impedance headphones. No problem. Full warm tones is what you get with all three. Grado is known for its impeccable quality. Remember you have a simple unit with simple design. Two stereo RCA in jacks on the back and a 1/4 inch headphone out on the front. If you want to use this with computers or ipods you need to get a 3.5mmto RCA male Y cord adaptor. This cost less than 10 bucks in most cases. If you are going to compare this amp with other headphone amps you should be dealing with the HG version. Drawbacks are a lack of a combination battery with AC version. A lack of a dedicated DAC/USB interface which will allow a direct digital connection with your computer. However the line out or headphone out jack of most computers work fine with this unit without a direct digital connection. So there's room for improvement. For what it is, and in this price range it's superb. The mohagany wood frame is gorgeous. A very unique product with distinct styling. I hope this clears up some confusion and makes you purchasing decision a little easier. My personal choice is the Grado AC regular version. For most the high gain version is a bit over the top.
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Product Description:
After years of relying on other equipment to drive Grado headphones, you can now listen and enjoy headphones through our new Grado Reference Headphone Amp, the RA1. Designed for state-of-the-art performance and specifically to play Grados, the new RA1 will allow you to hear your headphones like never before. This new amp 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 RA1 is available in an AC version or can be 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.
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