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Vintage BGW Model 250 Power Amplifier 85W x 2 Channels - $200 (Manassas)
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I also have a BGW Model 250-B Power Amplifier for sale! It delivers 100W x 2 channels and would pair well with the Model 250!
KEY FEATURES:
* Class AB operation: For a balance of efficiency and audio fidelity.
* Robust build: Known for their durability and "pro audio" reliability.
* Full complementary output stage: Featuring multiple high-wattage transistors per channel.
* Magnetic circuit breaker protection.
* Error-sensing op-amp input stage and heat sink mounted bias circuit for stable and precise performance.
The following specifications are guaranteed minimum performance levels; not typical or best-case numbers measured under desired conditions. All test procedures used are according to the most conservative techniques in use today.
STEREO MODE - 8 OHMS
Power Output: 90 watts average continuous power per channel
Total Harmonic Distortion: Less than 0.1% from .25-90 watts per channel
Power Band: 20 Hz - 20 kHz
Input Sensitivity: Approximately 1.5 volts required for full output
Damping Factor: Greater than 500 at low frequencies
STEREO MODE - 4 OHMS
Power Output: 100 watts average continuous power per channel
Total Harmonic Distortion: Less than 0.15% from .25-90 watts per channel
Power Band: 5Hz – 15kHz
Input Sensitivity: Approximately 1.25 volts required for full output
STEREO MODE – ANY IMPEDANCE
Gain: 26dB (20x)
Output Impedance: Designed for any load impedance greater than 2 ohms
MONO MODE - 16 OHMS
Power Output: 180 watts average continuous power
Total Harmonic Distortion: Less than .1% from .25-90 watts per channel
Power Band: 20Hz – 20 kHz
Input Sensitivity: Approximately .75 volts required for full output
MONO MODE - 8 OHMS
Power Output: 200 Watts average continuous power
Total Harmonic Distortion: Less than .15% from .25-90 watts per channel
Power Band: 5 HZ - 15 kHz
Input Sensitivity: Approximately .60 volts required for full output
MONO MODE - ANY IMPEDANCE
Gain: 32dB (40x)
Output Impedance: Designed for any load impedance greater than 4 ohms
ANY MODE
Frequency Response: +O, -.25dB 20Hz to 20kHz, +0, -3dB 2Hz to 65kHz
IM Distortion: (60 and 7 kHz 4:1) Less than .1% at rated power
Input Impedance: 47,000 ohms
PHYSICAL AND ELECTRICAL:
* Dimensions: 133 x 483 x 298 mm (5.25" H x 19" W x 11.75" D)
* Weight: 11.2 kg (24.7 lbs)
* Speaker Load Impedance: Designed for any load impedance equal to or greater than 4Ω (minimum)
* Power Requirements: 105-120 volts 50-60Hz at 5 amps maximum or 210-240 volts at 2.5 amps maximum.
* Anti-surge turn on, no switching transients or thump will appear at output.