Butler audio TDB 2250

Før 22.495 kr. Nu 16.995 kr.

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


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.)