Bia 200 Select Class A Stereo Power Amplifier
Product Reviews:
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HiFi聖經 (HiFi Bible) 2022 夏季號 |
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視聽前線 (Sound & Vision Panorama) 2022年4月號 |
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新音響 (New Audiophile) No.252 2022年3月號 |
Modern Tube Design for the 21st Century Listener
100 Watts per channel with a 3 Position Bias Switch
Key Features
- The Bias Select switch is engineered with 3 bias settings for 4 different output tube
- Compatible with KT88, KT120, KT150 and KT170 output tubes
- Bias Select switch is easy to use, change on the “Fly” so you can hear the difference
- Auto Bias is safe, consistent and settings are always perfect
- Class A power is fast for a more lively, immediate response to your music
- 4, 8 & 16 Ohm taps gives you options for your speaker preference
- Dual Mono gives you less cross talk and better stereo imaging
- Choice of high quality gold plated Single Ended RCA or Balanced XLR connectors to suit your needs or cable preferences
- True transformer differential balanced XLR inputs for the best noise rejection
- Independent Left and Right ground switches on the XLR balanced inputs to eliminate ground loops and hums
- No Negative Feedback design does not modify or compress the musical signal
- Large custom Toroid is higher voltage for increased performance and lower noise
- Global mains power supply can work all over the world
- Provides plenty of gain for your system
- Push-Pull/Ultra Linear circuit design provides lower distortion, more power, and a better performance out of your tubes
- Low noise levels allow really dark black quiet musical passages
- Non-inverting polarity retains the same phase as the input (so your trumpets blow and don’t suck)
- Gold pin sockets are more reliable because gold doesn’t oxidize when it heat cycles
- Matched quad KT150 output tubes retain the stereo balance and lower noise
- Elegantly designed, heavy duty 14 &16 gauge zinc plated steel enclosure to accommodate the extensive grounding scheme
- The optimized frequency response provides the best musical range to benefit the natural harmonic structure of the instruments
- All fuses are easily accessible
- Each unit is hand built “Made in the USA”
Specifications (based on KT150 tubes)
Output
Class A
KT150 = 100 Watts per channel into 8 Ohms
4 Ohm, 8 Ohm and 16 Ohm output taps
10A, 7A and 5 Amp 6mm x 32mm Slow-blow speaker fuses for outputs
Eight 5-way binding posts
Non-inverting output polarity
Push-Pull Ultra-Linear design
Power rating for Auto Bias Select Switch Settings
Left Position:
KT88 = 60 Watts per channel,
KT120 = 60 Watts per channel
KT150 = 60 Watts per channel
KT170 = 60 Watts per channel
Middle switch position:
KT120 = 85 Watts per channel
KT150 = 85 Watts per channel
KT170 = 85 Watts per channel
Right switch position:
KT150 = 100 Watts per channel
KT170 = 100 Watts per channel
Active Components
Matched quad set of four (4) KT150’s vacuum tubes
Four (4) Gold pin ECC82 (12AU7) vacuum tubes
High quality gold plated ceramic sockets
Dimensions 17″ W X 20″ D X 10″ H
Weight 64 (29Kg)