background image

   
   

15 

An example is as follows: 
 

25

𝑊

470

𝑉𝐷𝐶

×

65%

×

1000

=

𝑎𝑏𝑜𝑢𝑡

  

35

𝑚𝐴

 

 
You might wonder why your DMM is set to millivolts and not milliamps – simply, we have a 1 Ohm resistor placed between your 
probe jacks and ground to convert a current reading to a voltage reading.  That way, a bias current of 35mA measures as 35mV 
on your DMM.   
 

NOTE

 – Only set your DMM to mV for measuring bias on the King Kong amplifiers.  Not doing so may damage your DMM. 

 

A FEW COMMENTS ON BIASING 

 
Due to the nature of vacuum tube amplification, there are inherent risks when biasing your amplifier.  Extremely high-voltages 
are present, and vacuum tubes reach high temperatures during use. 
 
The risk of electrical shock and/or skin burns should ALWAYS be kept in mind.  Therefore, bias at your own risk, and only while 
paying attention and taking all precautionary measures. 
 
Biasing should only be done on a clean workbench with no distractions. Do not wear loose clothing or any jewelry.  Take your 
time, and think carefully before each step. 
 
Even though the bias test points and adjustment is external to reduce risk of electrical shock, all precautions must be taken 
while biasing. 
 

Again, bias at your own risk.  Ceriatone Amplification is not responsible for any damages or injuries resulting from user biasing. 
 
 
 

Содержание King Kong

Страница 1: ...1 KING KONG 50W 100W GUITAR AMPLIFIER User s Manual...

Страница 2: ...in the making and involved countless man hours to achieve what we perceive as total sonic perfection King Kong is a fully independent 2 channel head with unbelievable flexibility with uncompromising t...

Страница 3: ...CTOR to the match the impedance of your speaker cabinet 5 Set all rotary controls on the front panel to 12 00 clock face 6 Set ERA switches to the far right position 7 Set all three BRIGHT switches to...

Страница 4: ...BASS control 8 MIDDLE control 9 TREBLE control 10 GAIN control Channel 1 with BRIGHT 3 way toggle switch 11 SOLO control Channel 2 with ERA 3 way toggle switch 12 MASTER control Channel 2 with ERA 3 w...

Страница 5: ...counter clockwise defeats this control and CHARACTER and removes it from the power amp CHARACTER adjusts the frequency at which the DEEP control works To the LEFT is a moderately deep bass sound This...

Страница 6: ...es We love this mode for all things metal and soloing NOTE Just like the original Jose mods these different modes will impact the taper response of the MASTER control In other words some settings migh...

Страница 7: ...te 60s or Plexi mode The right position is our 80s voicing This adds saturation and compression and is reminiscent of 80s modded Plexis coming out of LA The left position is our modern voicing and use...

Страница 8: ...oggle to the right GAIN 1 adjusts the signal strength coming out of the first gain stage and going into the second tube stage Think of this as a global gain control Depending on the BRIGHT 1 setting y...

Страница 9: ...FUSE PUSSY TRIMMERTM allows you to further fine tune the gain and saturation of Channel 2 in King Kong Turning this control down can reduce the possible saturation and gain in Channel 2 We recommend...

Страница 10: ...he preamp and using the amplifier as a power amplifier Conversely this is usually used as the RETURN of the effects loop Plug the output of your effects unit or interface device ex C lator Klein ulato...

Страница 11: ...let to power your amplifier MAINS FUSE is used to protect your amplifier from voltage spikes or excessive current draw Replace only when necessary using only the rating indicated for your amplifier HT...

Страница 12: ...eft to right V1 12AX7 ECC83 Channel 2 input stage 1 and gain stage 2 V2 12AX7 ECC83 Channel 2 gain stage 3 and tonestack driver V3 12AX7 ECC83 Channel 1 input stage 1 V4 12AX7 ECC83 Channel 1 gain sta...

Страница 13: ...black bias probe jack ground COM 3 Blue arrow bias adjustment potentiometer shaft To measure your power tube bias carefully follow these steps with the amplifier in OPERATE and connected to a speaker...

Страница 14: ...nto V7 red probe jack one to the right This measures bias for V7 7 Compare bias reading and repeat for V8 and V9 To calculate bias there are two pieces of information you need to know your amplifier s...

Страница 15: ...sing your amplifier Extremely high voltages are present and vacuum tubes reach high temperatures during use The risk of electrical shock and or skin burns should ALWAYS be kept in mind Therefore bias...

Страница 16: ...tching of impedances and or an overloading of the effect unit itself Most rack mount units have different input impedance than pedals and thus can sometimes function fine without a buffer before them...

Страница 17: ...high gain amplifier However if you are a straight to amp player we have installed a trimmer aptly named PUSSY TRIMMER The amp is sent from our test bench with it at its maximum setting out of circuit...

Страница 18: ...around 11 00 TREBLE around 2 00 PRESENCE around 11 00 and DEEP around 1 00 Make sure your neck is properly stretched beforehand Sorry I just want to rock Classic like Can this amp do that Hell yeah T...

Страница 19: ...acitors high voltage silver mica capacitors Belton tube sockets and Alpha potentiometers Cliff jacks Finally we occasionally use NOS components from our vast surplus parts collection in locations they...

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