NEW TB 5.1
Tube Buffer

"I was absolutely amazed at how much improvement the [TB 5.0n] tube buffer made. It completely transformed the dry, flat and nasal sounding AVP2 to a wonderfully musical, expressive, open, wide sound field with rich harmonic textures."
-Drt
Add a Little Tube Warmth with the Audio Horizons TB 5.0 or NEW TB 5.1

If you’ve ever wished your expensive solid state sound system were just a little less harsh sounding and just a little warmer sounding, now you can add a little tube warmth to your sound system or AV sound system without what you consider to be the shortcomings of tube electronics?

How? Consider adding Audio Horizons’ economical TB 5.0 (soon to be discontinued) or its superb new TB 5.1 tube buffer stage between your solid state preamplifier and your amplifier, or between that digital source that you have to live with but that displeases you by its hard edge.

Designed by Joseph Chow, whose electronic designs have won praise both for their superb performance and for their great value (See the over 1100 threads under “Audio Horizons TP 2.0” in the Audiogon Discussion Forum and our Audio Horizons ads in the preamplifier, phono preamplifier and DAC sections), this newly redesigned, handsome seventeen inch wide Audio Horizons TB 5.1 tube buffer stage contains only two Tesla ECC88 tubes and yet it adds an immense amount of the harmonic richness and lyrical musicality that characterize tube sound without masking any of the detail you so appreciate in your solid state equipment. Yes, I mean it. The TB 5.1 will not compromise a single virtue you so appreciate in your solid state sound system.

Best of all, with an S/N greater than 100 dB, a THD of 0.2% in stereo, and a -1dB gain, it slips almost imperceptibly between one component and another without adding either noise or coloration.

We’re so confident that you will be pleased with the hint of sweet warmth and added harmonic richness the new Audio Horizons TB 5.1 adds to your sound system that we offer qualified audiophiles a free 10 day home audition. Best of all, we’ll even prepay the freight to you.


The TB 5.0

The TB 5.0 is an economical tube buffer whose excellence will surprise you. Soon to be discontinued in favor of the TB 5.1, we still have a few of these units available at very reasonable prices.


Versions of the TB 5.1

The TB 5.1 comes in four versions—a TB 5.1i at $695 to be incorporated into components (though not all components have room for it); a TB 5.1s that comes in a stand alone version for $895, and a TB 5.1n, that adds increased noise suppression, and upgraded caps for a sweeter, smoother, more richly textured midrange, and an on/off switch for $1050, a TB 5.1cv, that add premium Clarity MR caps and premium Vishay resistors for $1250, and the TB 5.1cvt for ultra high end systems, at $1595. An LED light indicates whether it is operating.

For XLR versions add $250.


Free Home Audition

We are so persuaded of the superb performance and superior value of the Audio Horizons TB 5.0 that we want you to listen to it in your own home over your own sound system. We therefore offer everyone who qualifies a free home audition. We’ll even pay the freight to you. If you are not persuaded that this is a marked improvement for little more than the price of an expensive tweak to your present solid state component and sound system and one you want to keep, return it within 10 days. That’s it. Or if you’d like more time to evaluate it, buy it under our money back guarantee program and take 20 days to make up your mind.

To qualify for a free audition, you must:

1. Have an Audiogon Positive score of 30 or better and no Negatives OR
2. Or as we indicated, you can purchase the TB 5.1. If within 20 days you are not satisfied with it, you can return the unit for a full refund of the purchase price.

If you don’t believe us that you should ask for a free audition, read what Audio Horizons owners have to say about our components:


Design Features

A number of impressive design features in the Audio Horizons TB 5.1 contribute to its superb performance.  They include:

  • All inner wiring uses Teflon silver coated wiring to provide optimum performance for many years, and to protect those who live in environments with high humidity.
  • RF shielded balance/XLR connectors option eliminates contact impedance, insuring the lowest possible noise floor.
  • All gold plated Teflon RCA jacks insure low connector loss and high signal transfer
  • A Furutech gold plated IEC.

Words of Praise for the TB 5.0 Tube Buffer Stage

"Wonderful communication, packed perfectly, awesome product!"-burlaptocashmer

"I just wanted to let you know you how much I am enjoying this unit [the TB 5.0n]. . . even with limited hours on it. Last night some of that smooth relaxed sound was starting to come forth. There was improvement in just 24 hours play time. I use the IsoTek System Enhancer CD to help accelerate things. This has to be one of the absolute best alternatives to purchasing a tubed pre (which would easily cost $2,000 up!)"
-Strateahed

"I have been trying to rebuild my Hometheater system, so I brought over my Proceed AVP2 for Joseph to mod. He informed me that since it has mostly surface mount parts there are not too many parts that can be replaced. However, he suggested trying out his tube buffer to improve the sound of the AVP2."

"I was absolutely amazed at how much improvement the [TB 5.0n] tube buffer made. It completely transformed the dry, flat and nasal sounding AVP2 to a wonderfully musical, expressive, open, wide sound field with rich harmonic textures."

-Drt

So if you like what you have but would like just a little extra musicality, ask to audition the TB 5.1.


Technical Specifications

Frequency Response: 10-50kHz, +1/-2dB
Total Harmonic Distortion (THD): 0.2% @ 1kHz, -20dBV, A-weighted
Dynamic Range: Better than 90 dB
Signal to Noise Ratio: 100 dB
Channel Separation: 80 dB @ 1 kHz
65 dB @ 10 kHz
Tube Complement: 2 6922 type Tesla E88CC tubes
Gain -1dB
Dimensions: 17.5” x 10” x 3 3/4” high
Weight: 10 lbs


Owners who would like to add their comments may do so by writing to audiohorizons@yahoo.com

 
 
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