Bose 1801 // Solid State Stereo Amplifier

SOLD , now part of a Private Collection
BIG power. Heavy, solid amp with beautiful amber meters. Hypnotic. The 1801 was originally released as the Amp to power the 901's but has the power to push even the most thirsty of speakers.
Production
1973
Condition
8/10
Restoration
  • Full service check / Detail
  • Cleaned controls and switches.
Factory Specs

Power output 250 watts per channel into 8Ω (stereo)

Frequency response 15Hz to 20kHz

Total harmonic distortion 0.5%

Input sensitivity 1.5V

Signal to noise ratio 100dB

Speaker load impedance 4Ω (minimum)

Dimensions 7-3/16 x 18 x 18-1/2 inches

Weight 82lbs

The History of Bose
Bose was founded in 1964 by Amar G. Bose. Eight years earlier, Bose, then a graduate student at MIT, had purchased a stereo system and was disappointed with its performance. This led him to research the importance of reverberant (indirect) sound on perceived audio quality. Early yearsBose began extensive research aimed...
[ Read More ]
Liner Notes
The 1801 and 1800 are Integral Design™ Power Amplifiers with all Silicon Solid-State Circuitry using 14 power transistors per channel. Capable of complete stability with all loudspeaker loads regardless of capacitive or inductive character. They employ fast-acting electronic protection circuits for current limiting. They use computer-grade capacitors throughout the power supply, along with a 2.0kW power transformer and 1300 sq. inches of the heat sink area. They also have a power monitor display using a light-emitting diode array and in the case of the 1801 signal meters as well.
Stock No.
6535348584616
BIG power. Heavy, solid amp with beautiful amber meters. Hypnotic. The 1801 was originally released as the Amp to power the 901's but has the power to push even the most thirsty of speakers.

Production

1973

Condition

8/10

Restoration

  • Full service check / Detail
  • Cleaned controls and switches.

Factory Specs

Power output 250 watts per channel into 8Ω (stereo)

Frequency response 15Hz to 20kHz

Total harmonic distortion 0.5%

Input sensitivity 1.5V

Signal to noise ratio 100dB

Speaker load impedance 4Ω (minimum)

Dimensions 7-3/16 x 18 x 18-1/2 inches

Weight 82lbs

The History of Bose

Bose was founded in 1964 by Amar G. Bose. Eight years earlier, Bose, then a graduate student at MIT, had purchased a stereo system and was disappointed with its performance. This led him to research the importance of reverberant (indirect) sound on perceived audio quality. Early yearsBose began extensive research aimed...
[ Read More ]

Liner Notes

The 1801 and 1800 are Integral Design™ Power Amplifiers with all Silicon Solid-State Circuitry using 14 power transistors per channel. Capable of complete stability with all loudspeaker loads regardless of capacitive or inductive character. They employ fast-acting electronic protection circuits for current limiting. They use computer-grade capacitors throughout the power supply, along with a 2.0kW power transformer and 1300 sq. inches of the heat sink area. They also have a power monitor display using a light-emitting diode array and in the case of the 1801 signal meters as well.

Stock No.

6535348584616

Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier
Bose 1801 // Solid State Stereo Amplifier

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