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LAMM Audio Laboratory Model M1.1

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Technic details

Specifications

Type:
Hybrid Vacuum Tube / Solid-state Monoblock Power Amplifier
Operating modes:
Class A / AB
Continuous Output Power:
100W into 8Ω (20 dBW)
100W into 4Ω (17 dBW)
200W into 2Ω (17 dBW)
300W into 1Ω (15 dBW)

Frequency Range:
4Hz to 150kHz, -3dB
Input Sensitivity:
0.725V (8Ω)
0.513V (4Ω)
Input Impedance:
41kΩ / 470pF
Harmonic Distortion:
0.3% (4 and 8Ω, 20Hz to 20kHz, 100W)
Slew Rate:
32 V / µs
Damping Factor:
40 into 8Ω (20Hz to 20kHz)
Output impedance:
0.2Ω (20Hz to 20kHz)
Rated Output Voltage:
40V Peak (8Ω)
28.28 V Peak (4Ω)
Switch-selectable bias / voltage setting:
For 1 to 6Ω or 8 to 16Ω
Tube Complement:
6922 x 1
Semiconductors Used:
Output MOSFETS’s x 12
[Power Supply Elements]
Toroidal Transformer: 1900VA
Filter Capacitors: 2 x 56000µF
Power Supply:
AC 100 / 120 / 220 / 240V, 50 / 60Hz
Power Consumption:
300VA (Class A)

Dimensions (W x H x D):
431.8 x 209.6 x 508mm
Weight:
Approx. 41.28kg
Year:
1995

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