Boulder 1162 Stereo Amp – a Mighty Power Amplifier
14.02.2025 11:03 | ~1 minute read
The American manufacturer of High-End audio equipment, Boulder, has introduced a new stereo power amplifier, the Boulder 1162. The model offers 2 x 300 watts of power into 8 ohm speakers and a staggering 2 x 900 watts into 4 ohm load.
As is typical for this line, the Boulder 1162 is housed in a recognizable case with a machine front panel depicts the topography of Flagstaff Mountain near Boulder, Colorado. The amplifier uses the proprietary Class-A Smart Current Biasing Circuit topology, and the power supply (dual power transformers are DC filtered and enclosed a welded steel case) with a 32 Amp IEC pre-terminated power cord (supplied in order).
Boulder 1162 uses newly developed protection circuitry. There is also an additional Ethernet-enabled supervisor circuitry on board, which monitors amp and protection systems. The Boulder 1162 weighs 61.2 kg.
Specifications
This product is in the Hi-Fi and High End Electronics and Acoustics database
Power amplifiers stereo — Boulder 1162
Model name
1162
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
200000
Input impedance (single-ended) (Ω)
100000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Max current (A)
N/A
Output power (8Ω) (W)
2 x 300
Output power (4Ω) (W)
2 x 900
Gain (dBu)
26
Frequency response low +/- 3dB (Hz)
0.015
Frequency response high +/- 3dB (Hz)
150000
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (0% global feedback) (%)
N/A
Total Harmonic Distortion + Noise (100% global feedback) (%)
0.002
Max power consumption (W)
N/A
Damping factor
N/A
Dimensions (mm)
N/A
Weight (kg)
61.2
Official link
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