Mark Levinson No.26 preamplifier & No.20 monoblock power amplifier Specifications

Sidebar 1: Specifications

No.26: Dual monaural preamplifier with remote power supply. As supplied: one MC phono input with adjustable gain and loading; five line-level inputs. (Can be supplied with six line-level inputs, one of which can optionally be balanced; phono input can also be supplied in MM/low-gain form.) Input impedance: see text. THD: less than 0.005%. IMD: less than 0.005%. RIAA accuracy: <0.2dB. Maximum output: greater than 13V (balanced).
Dimensions: (preamplifier chassis): 17.5" (445mm) W x 3" (76mm) H x 13.375" (340mm) D (add 3" for connecting plugs). Dimensions (power supply): 7.625" (194mm) W x 3" (76mm) H x 13.125" (340mm) D (add 3" for connecting plug). Weight: 30 lbs.
Price: $3990 (no phono module); $4650 (with MM module); $4750 (with MC module). Approximate number of dealers: 54.
Manufacturer: Madrigal Audio Laboratories Inc., PO Box 781, Middletown, CT 06457. Tel: (860) 346-0896. Fax: (860) 346-1540. Web: www.madrigal.com .

No.20, '20.5, '20.6: monoblock power amplifier. Output: 100W into 8 ohms (20dBW); 200W into 4 ohms (20dBW); 400W into 2 ohms (20dBW) (all continuous sinewave power, 20Hz-20kHz, with less than 0.4% THD/SMPTE and less than 0.2% IMD). Continuous available current: 24A. Damping factor: greater than 400, 20Hz-20kHz; 1000 at 1kHz and below. Frequency response: 3Hz-140kHz, -3dB at 1W output. S/N ratio: better than 80dB, unweighted, below 1W output. Measured output impedance: 0.015 ohms at 1kHz. Input impedance: 50k ohms in parallel with 1nF. Sensitivity (EIA): 141mV for 1W output into 8 ohms. Voltage gain: 26dB. Power consumption: typically 500W.
Dimensions: 17.5" (445mm) W x 8.4" (212mm) H x 22.1" (560mm) D. Weight: 65 lbs. Shipping weight: 90 lbs (40.9kg).
Price: $10,800/pair (No.20, 1988); $11,500/pair (No.20.5, 1989). $14,950/pair (No.20.6, 1992). The '20.6 upgrade from the No.20.5 costs $2390/pair plus $560/pair for new faceplates; the upgrade from older amplifiers below S/N 1850 costs $3290/pair. Approximate number of dealers: 54.
Manufacturer: Madrigal Audio Laboratories Inc., PO Box 781, Middletown, CT 06457. Tel: (860) 346-0896. Fax: (860) 346-1540. Web: www.madrigal.com .

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