Tube Power Amp Reviews

Hovland Sapphire power amplifier Specifications

Sidebar 1: Specifications

Description: Hybrid bipolar/FET/vacuum-tube stereo power amplifier. Tube complement: two 12AU7, four EL34. Output power: 40Wpc into 8 ohms (16dBW) (80W, 19dBW, when bridged to mono). Frequency response: 20Hz-20kHz, ±0.2dB. Harmonic distortion: less than 0.1%, 20Hz and 1kHz, less than 0.2%, 10kHz, at 1Wpc; less than 1%, 1kHz, less than 1.5% 30Hz, less than 3% 10kHz, at 40Wpc. S/N ratio: 82dB (A-weighted) ref. 1W out. Input sensitivity: 910mV for 40W output. Input impedance: 680k ohms. Voltage gain: 26dB into 8 ohms.
Dimensions: 18.5" W by 8.125" H (with feet) by 17.5" D. Weight: 82 lbs net, 97 lbs shipping.
Serial number of unit reviewed: 0013.
Price: $7800. Approximate number of dealers: 25. Warranty: 3 years parts & labor, 90 days tubes.
Manufacturer: Hovland Company, 1545A Pontius Avenue, Culver City, CA 90232. Tel: (209) 966-4377. Fax: (209) 966-4632. Web: www.hovlandcompany.com.

COMPANY INFO
Hovland
1545A Pontius Avenue
Culver City, CA 90232
(209) 966-4377
www.hovlandcompany.com
ARTICLE CONTENTS

COMMENTS
Russell Dawkins's picture
Submitted by Russell Dawkins on August 22, 2015 - 11:27am

http://www.diyaudio.com/forums/tubes-valves/227913-my-time-hovland-hp-100-lore.html#post3327635

John Atkinson's picture
Submitted by John Atkinson on August 23, 2015 - 8:34am
Russell Dawkins wrote:
www.diyaudio.com/forums/tubes-valves/227913-my-time-hovland-hp-100-lore.html#post3327635

Thanks very much for the link. Some fascinating insights, both positive and negative. What I found particularly instructive was that none of the weird insider stuff was ever used by Hovland in its marketing of the HP-100.

John Atkinson
Editor, Stereophile

X