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- Ramsey SHA2WT Super Stereo Headphone Amplifier Assembled
Ramsey SHA2WT Super Stereo Headphone Amplifier Assembled
Product Description
The SHA2WT is the assembled version of the Ramsey SHA2 Super Stereo Headphone Amplifier Kit With Case.
A few years ago we designed the SHA1 stereo headphone amplifier to provide an audiophile quality headphone signal from a radio or amplifier that only had a line output. The success was overwhelming! As described in previous catalogs and the web site, the largest manufacturer of high quality table radios recommended the SHA1 to their customers who wanted to use headphones with their radio.
Well, it's been a couple of years and the need has been proven so we decided not to just sit on our laurels with the success of the SHA1. We put our engineers to work, asking them questions like... what if a band wanted multiple headphones with separate level controls? And what about controls . . . how about the ability to tailor the audio characteristics to each user's preferences? What about multiple headphones from just one unit? When they got tired of all our questions they said "OK...you've got it, the new SHA2...the next generation headphone amplifier kit!"
Standard 3.5mm stereo audio headphone connectors are used for both looping input and dual outputs for simple Walkman style headphones. That was decided when I recently bought a hundred dollar set of Sony professional headphones that had the 3.5mm plug on them and an included 1/4" adapter; I figured it's time to concede to 3.5mm! And before you ask, we provide a dual RCA to 3.5mm stereo input cable with the SHA2 to match up with your standard unbalanced RCA line out connectors!
From there LM386's and LM1036's are used for audio processing providing nearly 1 watt of output to the normal 4-40 ohm headphones or speaker circuits. The loop-through inputs are properly isolated to prevent ground loop and hum problems when daisy chained or used in multiples. The dual outputs are great for that other person that just has to listen in too! We covered it all with the SHA2!
Runs on a built-in standard 9VDC battery but also has a rear power jack for 12-20VDC if you don't want to bother with a battery! If you're looking for a great headphone amplifier to simply listen to the line output of a radio, CD player, tape player, or receiver, our proven SHA1 is the answer. BUT...if you're looking for multiple outputs, looping inputs, daisy chained amplifiers, and bass, treble, loudness control, then try the SHA2, the new generation stereo amplifier! Like the SHA1, it includes an attractive matching case measuring 5"W x 11/2"H x 51/4"D. (So I got myself one of those personal audio/video players, and of course my kids wanted to listen to the Pink Floyd video I just loaded into it...you guessed it, the first prototype of the SHA2 came out and was a winner!)
Well, it's been a couple of years and the need has been proven so we decided not to just sit on our laurels with the success of the SHA1. We put our engineers to work, asking them questions like... what if a band wanted multiple headphones with separate level controls? And what about controls . . . how about the ability to tailor the audio characteristics to each user's preferences? What about multiple headphones from just one unit? When they got tired of all our questions they said "OK...you've got it, the new SHA2...the next generation headphone amplifier kit!"
Standard 3.5mm stereo audio headphone connectors are used for both looping input and dual outputs for simple Walkman style headphones. That was decided when I recently bought a hundred dollar set of Sony professional headphones that had the 3.5mm plug on them and an included 1/4" adapter; I figured it's time to concede to 3.5mm! And before you ask, we provide a dual RCA to 3.5mm stereo input cable with the SHA2 to match up with your standard unbalanced RCA line out connectors!
From there LM386's and LM1036's are used for audio processing providing nearly 1 watt of output to the normal 4-40 ohm headphones or speaker circuits. The loop-through inputs are properly isolated to prevent ground loop and hum problems when daisy chained or used in multiples. The dual outputs are great for that other person that just has to listen in too! We covered it all with the SHA2!
Runs on a built-in standard 9VDC battery but also has a rear power jack for 12-20VDC if you don't want to bother with a battery! If you're looking for a great headphone amplifier to simply listen to the line output of a radio, CD player, tape player, or receiver, our proven SHA1 is the answer. BUT...if you're looking for multiple outputs, looping inputs, daisy chained amplifiers, and bass, treble, loudness control, then try the SHA2, the new generation stereo amplifier! Like the SHA1, it includes an attractive matching case measuring 5"W x 11/2"H x 51/4"D. (So I got myself one of those personal audio/video players, and of course my kids wanted to listen to the Pink Floyd video I just loaded into it...you guessed it, the first prototype of the SHA2 came out and was a winner!)
SHA2 Manual
Super Stereo Headphone Amplifier Kit
Super Stereo Headphone Amplifier Kit
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