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8. To avoid damage to the amplifier and electric
shock hazard you must use only valves marked
KT150/120, 6SL7 (6188, 6N9), 6SN7 (CV181, 6N8) 0D3
(VR150, WY4). Use only valves which you know to be
new or good condition and test the amplifier thoroughly
before resuming normal use.
9. Replacing the small valves:
6SL7 and 6SN7. Neither of these requires any set up
procedure. Care should be taken when removing and
inserting not to break the locating spigot and keyway.
(Accidental swapping of these two valves will not cause
damage). SG Treasure, Full Music (TJ), Tung Sol are
recommended.
Icon Audio are happy to test your valves, check and bias
your amplifier free of charge.
Bias Meter reading power
When the yellow bias meter switch is in the OFF position
it indicates the instantaneous audio power of the
amplifier. You may be surprised that it hardly moves
most of the time. As full power is approximately 110
watts you can see therefore an indication of:
10= 1.0w
20= 4.4w
30= 10w
40= 17w
50= 27w
60= 40w
70= 54w
80= 70w
90= 90w
100=110w
This is assuming a 4 or 8 ohms load
8 Specification & Features
(Typical conditions @ 235v 50Hz)
•
KT150/120 output valves or eqv
•
6SL7 double triodes for first stage
•
6SN7 double triodes phase-splitter
•
0D3 voltage regulator
•
Hand wired point to point components
•
No printed circuit board
•
Ceramic valve bases for low noise/leakage
•
110w RMS (KT150/120) Ultralinear
•
60w RMS (KT150/120) Triode mode
•
Signal to noise level -95db
•
Freq response 20Hz-20kHz +or- 0.1db
•
Power bandwidth -3db=10Hz-30kHz
•
0.1% THD typical 8w (0.015% 1w) 1khz
•
Custom hand wound transformers using
Japanese long grain steel
•
Tertiary wound output transformers.
•
Choke regulated power supply inc output
•
Supplied with attractive safety guard
•
Minimal feedback used
•
High quality oversized metal film & wire wound
resistors
•
Audiophile High quality polypropylene audio caps
•
Jensen Copper foil in paper and oil (upgrade)
•
Internal wiring using silver/copper PTFE wire
•
Valves carefully matched for best performance
•
Gold plated Input & speaker terminals
•
450 mv sensitivity for full output (High)
•
900 mv sensitivity for full output (Low)
•
230/240volts, 150watts (zero signal)
•
Standby switch function
•
3 amp (5a USA) T mains rear fuse (with spare)
•
500ma AS HT fuses (with spares)
•
W:20cm. D:50cm. H:23cm. Weight:20kg
•
For shipping 56cm x 32cm x 35 21kg each plus 3
box for valves and vave cover 62 x 27 x 35 4kg
•
IEC mains lead, (5amp fused none in USA)
•
FCC CE certified. ROHS & WEEE compliant
Specification subject to change without notice.
We expect our amplifiers to give a service life of
approximately 20 years, with regular maintenance. During
this time we will make every effort to supply spare parts
and repair them at an economical cost.
Supply of some parts may subject to availability from third
party suppliers which Icon Audio is not responsible for. This
does not cover unique parts including remote control
systems, meters and cosmetic parts.
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