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TDB2250 back

 

Butler Audio - TDB 2250

 

 

 

 

 

 


Specifications:
•  Rated Power (all channels driven):
2 x 250 Watts RMS per channel @ 8 ohms
2 x 400 Watts RMS per channel @ 4 ohms
1 x 800 Watts RMS Bridged (Mono) @ 8 ohms
 
•  Freq response: 20Hz to 20kHz (+/- 0.5dB)
Power Bandwidth: -3dB, 50kHz
•  THD: <0.10% @ 8 Ohms, <0.15% @ 4 Ohms
•  S/N Ratio: Better than 120dB (A-Wtd)
•  Slew Rate: 15v/µsec
•  Input Sensitivity: 2V for 250 Watts into 8 Ohms
•  Input Impedance: 47k Ohms
•  Idling Consumption: Approx. 40 Watts
(Approx. 0.3A @ 120VAC or 0.15A @ 230VAC)
•  AC Consumption (Nominal power):
720 Watts @ 8 Ohms - 6A (120VAC), 3A (230VAC)
1200 Watts @ 4 Ohms - 10A (120VAC), 5A (230VAC)
•  Dimensions: 17"W x 16"D x 8.5"H w/feet (7"H w/o feet)
•  Weight: 43 Lbs. (19.2Kgs.)

 

 

 

TDB2250 Inside

 

General features:
•  ZERO negative feedback. No global degenerative
negative feedback loop
 
•  Open Ended Audiophile Circuitry
•  Musical, warm and dynamic
•  Load Independent; Will drive any speaker
•  Hand selected/matched 6SL7GT Twin Triode tubes
(One per channel)
 
•  Fully regulated Tube Heaters with Delayed Soft Start
(10-15 second turn-on delay)
 
•  Load Adaptive Vacuum Tube Driven output circuitry
•  Modular power channels with a seperate massive, oversized heatsink for each channel  
•  Independent AC Secondaries and Rectifiers
with 60,000µF per channel filtering
•  DC fault / Short Circuit Protection Circuitry
•  Diagnostic LEDs: Red=Fault
•  Custom-made Hard Gold Plated Eutetic Brass RCA connectors
•  Custom-made Hard Gold Plated Eutetic Brass 5-way Binding Posts
•  Frosted Platinum finish
•  Tube Illumination: Internal BLUE LEDs
•  Patented Design
•  Concept & Design: BK Butler / USA

 

 

 

 

 

 

 

 

 

 

 

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