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Old August 24th 06, 05:54 PM posted to rec.audio.tubes,uk.rec.audio
Dave xxxx
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Posts: 121
Default Any ideas whats wrong ?

Keith G wrote:
Absolutely not, Dave's an 'old friend'....

ta old chap I am piggy in the middle

more information

Primaluna Prologue Two amp has gone mental again, i.e. broken down

It's the same problem as before where one or more output valves start
glowing on and off like buggery, loudspeakers drivers being thrown
fully out and back again, loud pops. this is happening with or
without music playing
specs of amplifier
Power
Frequency Response
THD with AABB
S/N Ratio
Input Impedance
Input Sensitivity
Maximum Gain
Power Consumption
Net Weight
Shipping Weight
Dimensions
Shipping Dimensions
Inputs
Outputs
Tube Complement
40 Watts per channel
20Hz - 30 kHz +/- .5 dB
0,25% @ 1W; less than 1% up to full power
89 dB
65k Ohm
240 mV (for rated power at maximum volume setting)
37,5 dB
300 Watts
37.5 lbs / 17 kg
41.9 lbs / 19 kg
15.5" x 11" x 7.5" / 395 mm x 280 mm x 190 mm (L x W x H)
18.3" x 15" x 12" / 465 mm x 380 mm x 305 mm (L x W x H)
4 pairs RCA
4 & 8 Ohm Speaker Taps
4 x KT-88, 2 x 12AX7, 2 x 12AU7



regards

--
Dave
www.davewhitter.myby.co.uk

Music is Art - Audio is Engineering
Steam is Fun