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Changing power tubes
One of the key features of the DUALKLONZ is the possibility to use many different
power tubes, without the need of any setting.
The following tubes can be used:
Tube
Output power W
Cab Impedance
6L6
25
EL34
25
KT66
25
KT88
25
5881
25
EL84
15
6V6
15
Please note that, when using 6V6 or EL84 tubes, the rated impedance of the
speaker outputs is doubled.
The stock tubes are 2 6L6s. 2 EL84 and 2 EL34 power tubes will be included,
therefore you can change power tubes according to different amp tones.
TO CHANGE THE POWER TUBES, FOLLOW THESE INSTRUCTIONS CAREFULLY:
1.
Switch off the STANDBY switch and the main On/Off switch. Remove the mains
power cord from the back of the amp. Let the tubes cool down for at least 10
minutes. (Please make sure the tubes are not too hot to hold)
2.
Remove the back grille.
3.
Push the metal clamps down with two fingers and remove the power tubes by
gently pulling and tilting them.
4.
Insert the new tubes: first check the alignment of the pins, then gently push
the tube in place. DO NOT force the tubes. If you encounter some resistance,
re-check the pins straightness and alignment.
5.
Re-install the back grille.
6.
Proceed with the standard switch-on procedure according to the typical setup
and cable connections.
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Changing power tubes
8 Ohm or 4 Ohm
8 Ohm or 4 Ohm
8 Ohm or 4 Ohm
8 Ohm or 4 Ohm
8 Ohm or 4 Ohm
16 Ohm or 8 Ohm
16 Ohm or 8 Ohm
Power tubes
Remove the back grille
Technical Specifications
Preamp Tubes-Vintage Preamp
Preamp Tubes-Modern Preamp
Power Amp Tubes (factory standard)
Output Power
Power consumption
Mains voltage tolerance
Operating Temperature
Mains fuse
Input
Send/Return
Speakers Out
Speakers Out with 6V6 and EL84 Tubes
Cab Footswitch
Channel Footswitch
Dimensions
Weight
JOYO Technology is committed to guarantee the highest quality standards.
All Technical Parameters or pictures are only for your information, subject
to the actual products.
Technical Specifications
1x ECC83S/12AX7 ; 1x 12AY7
3x ECC83S/12AX7
1x ECC83S/12AX7 ; 2 x 6L6
from 15 to 25 W RMS, depending on power tubes
150W
+/- 10%
From 10° to 35° C
110-120V~60Hz: T2AL
220-240V~50Hz: T1AL
6.3mm Unbalanced, 1 MOhm
6.3mm Unbalanced, 1 KOhm / 1MOhm
6.3mm 8 Ohm and 4 Ohm
6.3mm 16 Ohm and 8 Ohm
6.3 mm Mono Jack
6.3mm Stereo Jack. Tip: Boost. Sleeve: Channel
60 L *25 W *31 H cm
14.63kg
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