The HP-100 Preamplifier
The Hovland HP-100 is a full-featured tube preamp, available as a line stage-only (14dB gain) or with an integral phono stage for either high or low output phono cartridges. The phono section can be added to line stage-only models at any time - without soldering. A unique minimalist circuitry topology is used to produce an accurate yet seductive soundscape. The HP-100's transient detail, imaging, and most importantly, musical emotion, are startling.
Reviews:
Using the best quality passive components available, including resistors from Caddock and Holco, Hovland ensures both transparency and fine user control. Wiring is Hovland Generation 3 shielded silver interconnect, and all RCA jacks are hard gold-plated with collet-type female pin sockets.
A rigid monococque-type chassis isolates the three main circuit boards, preventing interaction between phono, line, and power supply circuits. The robust power supply incorporates proprietary transformers and filter capacitors, plus several design innovations that contribute to the HP-100's compelling dynamics and proper rhythmic pace. A pop-free, time muting protects other system components when the preamp is turned on or off.
Features of the HP-100
Controls:
Eight selectable inputs plus separate Tap Monitor (9 inputs total)
A Stepped balance switch with 1 dB steps (out of circuit in neutral position)
Stereo/Mono and mutes switches
An exclusive, multi-layered polished finish graces the front panel, setting off the luxurious chromed control knobs and buttons. The flush-fit styling is further complemented by heavy gauge, polished and anodized casework.
Specifications
Input Impendance: 100 KOhms
Gain: 14 dB
Frequency Response: +0/-.25 dB, 10Hz - 25kHz
THD: <.1% at rated output of 3 volts
S/N Ratio: 80 dB below 3 volts out, wideband
Output Impendance: approximately 2500 Ohms
Tube Compliment:
- Line Stage - (2) 12AX7, (1) 12AU7
- Phono Stage - (2) 12AX7, (1) 12AT7
Dimensions: 18.25"W x 17.38"D x 5.25" H (with feet)
