Herron Audio VTSP 1A Preamplifiers

VTSP 1A

- Perfect tracking volume 128 step control system with unprecedented precision and dynamic range.
- Infinite resolution indirect signal path balance control.
- All-tube design operated conservatively for long life.
- Relay input switching eliminates switching distortion.
- Star grounding for low interference susceptibility and clean signal path.
- Zero feedback - no feedback loops in the audio circuitry.
- Super-low noise.
- High input signal capacity without overload; see technical specifications.
- Gold plated TIFF RCA and ground connectors.
- Hand-picked components for accurate response and consistent unit-to-unit quality.
- Automatic muting at startup and shutdown.
- 72, 000 F of power supply energy storage capacitance.
- 4 levels of high voltage regulation.
- Regulated soft-start DC filament supply.
- Regulated tube bias supply.
- Toroidal power transformer.
- Rugged 0.10"" thick aluminum chassis with 0.25"" thick heavily anodized faceplate.
- Reversing power line (AC) polarity switch for minimizing line-to-chassis reactive currents and noise pickup.
- Controlled warm-up of tube filaments and high voltage for extended tube life.
- Low plate operating currents for extended tube life and cool operation.
- Front panel indicators for power, filament voltage, and output/mute/monaural.
- Each unit is given an extensive burn-in, including rigorous bench and listening tests.

User Reviews (2)

Showing 1-2 of 2  
Paul Lindemann   AudioPhile [Nov 23, 2002]
Strength:

Very transparent with the speed and bass of quality solid state, and the air and body of tubes. Dynamics are terrific. Awesome presentation of music. Dealing with Keith Herron is also a major strength.

Weakness:

Not quite as much air at the top end as with the very best preamps (Audio Research Reference II) and not quite as detailed as the Lamm L2. Then again, these preamps are costing 3 - 4 X the cost.

The Herron preamp is rather plain looking and is limited to linestage only. The machine work is top notch quality throughout, and the feel of quality is evident. The Herron pre produces a very natural sound, with low lows and high highs without the traditional tube pre rolling off of the highs and overly bloom to the bass. I liken the Herron to the CAT pre in that it does not sound like a tube preamp or a solid state preamp - it sounds like music should sound. Smooth when the music is smooth, hard and edgy when the music is hard and edgy.

Similar Products Used: VTL 5.5, Audio Research Reference II, Joule Mk III, Bryston BP25 and Lamm L2.
OVERALL
RATING
5
VALUE
RATING
5
GP03   AudioPhile [Nov 14, 2002]

THE HERRON ARE TRANSPERANT, WITH VERY SOUNDSTAGE AND WARM SOUND, IT BEST PERFORM THE SYMPHONY AND VOCAL. I MATCH IT WITH BRYSTON 4BST AND SONUS FABER EAII.

OVERALL
RATING
5
VALUE
RATING
4
Showing 1-2 of 2  

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