VTSP-3A(r03) Vacuum Tube Stereo Preamplifier (Revision r03)
With Remote Control
"The overall and distinctly noticeable effect has been to make listening to music more enjoyable and another step closer to realistic. For music lovers that may be all that needs to be said."
"It is time for some serious listening to be done. I am not going to give you a litany of recordings to try to show off some specific aspects of this newest Herron creation. That is not where the appeal of this music reproducer lies. It lies in making your experience with listening to a favorite recording more satisfying than ever before. The fact that it has a tad (a southern word meaning a little bit or definite hint) more bass fullness, richness and power in the mid to upper bass is only a part of overall experience and does tend to reveal its vacuum tube heritage. The audibly extended high frequency response has its own attraction at the same time being silky smooth and sweet while revealing even more inner detail. That is a really tough balancing act for an audio designer to successfully accomplish. It also appears to be more extended and very definitely adds the natural sensation or feeling of the recording location and strong hints of its size! That is probably at least partly responsible for the added detail as is the seeming lack of background noise. This is a very quiet preamplifier and listeners may find it even quieter in the lower gain mode."
"The all-important mid-range extends from its lower reaches adds detail and presence to the bass, to its upper extremes giving body to beautiful harmonic overtones is where music lives. The Herron vacuum tube VTSP-3 preamplifier makes that all important range come nearly alive, and the better the recording the closer it comes and the more the music will be savored, enjoyed and appreciated. It is as if the listener is moved a few rows closer to the orchestra compared to the previous VTSP-2. I must award Keith Herron's model VTSP-3 preamplifier my highest possible recommendation and hope that many music lovers will have the opportunity to discover it for themselves."
- Karl Lozier Positive-Feedback Online Issue 35
|Remote control functions
- Multifunction remote control
- Volume level display (0 - 100)
- Switchable absolute polarity
- Two gain modes (High and Low)
- Stereo/mono switch
- Full-range balance control
- Home theater bypass function
- Mute control
- Display brightness control
- Low noise design
- Two main outputs
- One tape output
- Tape out/in loop
- Six inputs including tape
- 100K input impedance
- High input-signal capacity without overload
- Automatic muting at startup and shutdown
- Gold plated, Teflon-insulated RCA connectors
- Hand-picked components for accurate response
- Reversing power line (AC) polarity switch
- Each unit is hand crafted, burned-in, and given rigorous bench and listening tests
|Frequency Response||1 Hz to beyond 100 kHz, 20 Hz to 20 kHz ±0.1 dB|
|Output Impedance||100 ohms nominal at 1 kHz|
|Input Impedance||100,000 Ohms|
|Gain||14 dB in Hdb mode, 8 dB in Ldb mode|
|Volume Control||100-position electronic stepped attenuator, maximum differential 0.1 dB channel to channel|
|Distortion||<0.01% THD + Noise @ 1 volt r.m.s. output|
|Dimensions||17.6" wide x 4" high (including rubber feet) x 10.25" deep|
|Warranty||3 years, parts and labor; tubes: 90 days|
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Herron Audio, div. of Herron Engineering, Inc.