Monarchy Audio: High-End at Low Cost

Sound-Lab A-1+ Electrostatic Loudspeaker


Absolutely Mint Sound Lab A-1+ Electro-StaticSspeakers


  • Very big and heavy (about 200 lbs each)
  • Exquisite Sound Quality hardly ever used (just displayed in one of Monarchy Audio's sound rooms)
  • Upgraded with A1+ high performance Interface plate (Dick Olsher's review pair was A1, not A1+)
  • Upgraded pair has Walnut hard wood

Here is a Stereophile Review of the Sound-Lab A-1+ Electrostatic Loudspeaker (PDF)

Cash & Carry $8,800 similar to the newer version A-1PX , retail $31,100

Audition at Monarchy Audio's sound room by appointment.

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  • Description: Full-range, transformer-coupled, electrostatic loudspeaker.
  • Frequency range: 28Hz to beyond 20kHz. Nominal impedance: 8 ohms.
  • Sensitivity: equivalent to 88dB/1W/1m at 4m. Minimum amplifier power: 100W.
  • Maximum music power: 450W. Bias power-supply input: 117/220 VAC, 50/60Hz.
  • Dimensions: 81.24" H by 35.5" W by 10.5" D (panel), 25" D (base).
  • Weight: 185 lbs each.
  • Price: $10,950/pair in standard wood finish (1992).
  • Accessories: "Acoustic Wave Delay Panels" (wings), $1242/set of 4 in oak, $1566/set of 4 in walnut; "SALLIE" BWA-1 Back Wave Attenuator, $1000/pair.
  • Approximate number of dealers: 32.
  • Warranty: 3 years on electrostatic panels, 1 year on electronic interface.
  • Manufacturer: Sound-Lab Corporation, Park City, UT 84060 (1992);153 N 400 W Street, Gunnison, UT 84634 (2013). Tel: (453) 528-7218.
  • Web:

A1+ PX Specs (PDF)

Sound-Lab A-1 Electrostatic Loudspeaker

Sound Lab Sound Lab
Sound Lab Sound Lab
Sound Lab



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Monarchy Audio
380 Swift Ave., #21 South
San Francisco, CA 94080, USA
Call: 650.873.3055
Fax: 650. 588.0335

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