Info
Specs(gäller MB845mk1):
• Comprehensive manual supplied
• Full instructions for DIY valve change included
• Full instructions for 845 valve testing included
• Meter supplied for valve 845 bias/condition testing
• All hand wired point to point
• No printed circuit board to ‘colour’ sound
• Class A, all Triode front end
• Fitted with the newly designed 845”B”
• 2x 845 precisely matched for best performance
• 2x 6SL7 first stage gain valves
• 2x 6SN7 driver valves, choke loaded plates
• HT delay unnecessary as 845s have instant start
• AC 845 heating for max life and max reliability
• 90w (approx) RMS output at clipping point*
• Giving approx 15 Watts of Pure Class A
• Can be used with passive or active pre-amp
• 440mv (high) & 1000mv (low) input sensitivity.
• Signal to noise level -90db* (approx)
• Hum and noise 0.5mv (low sensitivity)*
• 6SL7/6SN7 DC heater circuit for minimum hum
• Freq response -1db points= 6Hz 27khz
• Freq response -3db points= 6Hz-57kHz
• Source impedance 0.7Ω (8Ω taps, low sensitivity)
• Damping factor 13
• Gain 28 62
• THD typically less than 0.1% @ 1w. 0.14% @ 8w (1kHz)
• 4 & 8 ohm loudspeaker taps
• Custom hand-wound mains/output transformers using
Japanese special long grain iron and low oxygen copper
oven baked in resin to minimise mechanical hum and
increase reliability.
• Attractive valve cover included in the price
• High quality 2W metal film, & wire-wound resistors
• Blue LED mains indicator
• Polypropylene audio capacitors (or optional upgrades)
• Silver TEFLON audio cable
• Ceramic valve holders for minimum leakage
• Gold plated Input & speaker terminals
• 230/240volts (120v on request)
• Power consumption: 180w quiescent, (290w max sine
wave) each
• C E, ROHS, WEEE compliant where applicable
• Size in mm W250, D500, H275 mm ( inc cover), 23kg
each (Allow space for connections and ventilation)
• Shipping H 45, W 62.5, D 37cm 26kg
Pris: 37990kr
Pris: 44990kr (David Shaw Signature Edition)
Signature Edition
Includes: Silky smooth Jensen copper foil in paper and oil
audio capacitors. The new improved SG 845B output
valve. Selected American original Old Stock high grade
military 6SL7. The new super “globe” SG 6SN7 with
ceramic base and gold pins. Each one guaranteed to pass
our exacting specification. Tweaked, tested and auditioned
by David Shaw to assure you of the finest performance.
