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H A L F   P O W E R   S T R E S S  

1/2 Manufacturer Spec - Tested at 150 W into 4 ohms

TEMPERATURE 

0

F

Idle

5min

15min

30min

Front Power Switch

75

80

90

96

Front Input Jack

74

80

86

93

Rear Power Jack

74

81

90

104

Rear Speaker Jack

77

83

96

98

Power Transformer

77

95

105

116

Output Transformer

76

88

94

119

Middle KT88 Retainer

95

117

155

144

Fan noise    
Ambient 

52 dB SPL         

Fan Low 

57 dB SPL

Fan High 

64 dB SPL

Signal interrupt (sec)

0

0

0

0

Thermal shutdown (sec)

0

0

0

0

POWER

TESTS

bass

gear

POWER

CERTIFIED

8 ohms 1kHz

199 watts

MARKBASS

CLASSIC 300

F U L L   P O W E R   O U T P U T  

Unregulated Line Voltage, Amplitude Sweep

3 to 5% Total Harmonic Distortion (THD)

Average initial AC line voltage 120.4 - 122.4

Nominal 8-ohm

Nominal 4-ohm

Nominal 2-ohm

1K SINE WAVE
Power        

199 Watts 

295 Watts 

266 Watts 

Input Signal

1.0 Volts

1.0 Volts

1.0 Volts

Voltage drop

0.7 Volts

0.6 Volts

1.0 Volts

G STRING @ 98Hz
Power        

199 Watts 

288 Watts 

263 Watts 

Input Signal     

0.6 Volts

1.0 Volts

1.0 Volts

Voltage drop

0.7 Volts

0.9 Volts

1.0 Volts

D STRING @ 73Hz
Power        

195 Watts 

286 Watts 

263 Watts 

Input Signal       

0.6 Volts

1.0 Volts

1.0 Volts

Voltage drop

0.6 Volts

0.8 Volts

0.7 Volts

A STRING @ 55Hz
Power        

193 Watts 

288 Watts 

251 Watts 

Input Signal       

0.6 Volts

0.9 Volts

0.6 Volts

Voltage drop

1.0 Volts

0.4 Volts

0.9 Volts

E STRING @ 41Hz
Power        

196 Watts 

272 Watts 

251 Watts 

Input Signal       

0.7 Volts

0.8 Volts

0.4 Volts

Voltage drop

0.4 Volts

0.4 Volts

1.1 Volts

B STRING @ 31Hz
Power        

193 Watts 

278 Watts 

244 Watts 

Input Signal       

0.6 Volts

0.8 Volts

0.4 Volts

Voltage drop

0.6 Volts

0.5 Volts

0.2 Volts

Manufacturer ratings: 300 / 300 / 300 watts at 8 / 4 / 2 ohms.

2 ohms 1kHz

266 watts

4 ohms 1kHz

295 watts

K E Y   T O   T E S T S

Half Power Stress:  

How well does this head handle the heat?

Full Power Output:  

These  numbers  are  largely  self-explanatory,  but
please  note  that  the  Input  Signal  tells  you  what
input  voltage  was  required  to  hit  our  mark,  with
the EQ set to “optimally flat” and the gain stages
set for best THD performance using a 1 kHz signal.
Voltage  Drop  shows  how  much  the  AC  line
voltage sagged during our testing.

Содержание CL 810

Страница 1: ...56 bass gear by Tom Bowlus...

Страница 2: ...the rage nowadays and mentioning the word hybrid to most folks conjures up images of eco friendly high mileage vehicles For us bass players we may also think of the typical hybrid bass head which emp...

Страница 3: ...e for 4 8 ohm loads and one for 2 ohm loads The two more unusual features are the display function switch and RS 232 PC serial port The switch toggles between three modes for the front panel LCD scree...

Страница 4: ...admire with regard to the warm gritty tube powerhouse and the punchy focused midrange attack of a sealed closed 8x10 But he also saw room for improvement especially considering modern technological ad...

Страница 5: ...ange focus and a more aggressive attack than the SA200 Conversely the Sadowsky is more smooth full and even and can cop a wider range of tones On a whim I also compared the Classic 300 to the GK Fusio...

Страница 6: ...interesting mix of vintage fatness and more modern tones It has that midrange punch that you only seem to get from a big sealed cab with a bunch of 10 s but with more control and refinement The tweete...

Страница 7: ...punch and a hint of grit with more control and wider range of tones than vintage counterparts TONE O METER In Hand Score 3 9 average On Bench Score 3 5 average E N C L O S U R E Material Wooden head c...

Страница 8: ...nal 0 6 Volts 1 0 Volts 1 0 Volts Voltage drop 0 7 Volts 0 9 Volts 1 0 Volts D STRING 73Hz Power 195 Watts 286 Watts 263 Watts Input Signal 0 6 Volts 1 0 Volts 1 0 Volts Voltage drop 0 6 Volts 0 8 Vol...

Страница 9: ...The Markbass CL108 8x10 has immediate warmth with great control There are aggressive upper mids and multiple high end personalities TONE O METER In Hand Score 3 5 average On Bench Score 3 7 average E...

Страница 10: ...Tweeter On Red 1 watt Gray 10 watts Green 25 watts Yellow 50 watts Chart 2 showing SPL with Tweeter Off Light Blue 1 watt Purple 10 watts Blue 25 watts Orange 50 watts Markbass Classic 108 with grill...

Страница 11: ...panel care must be exercised as the fan which is secured to the back panel plugs into the chassis using a thin wires and a small plastic connector There is very little slack in the wires to position...

Страница 12: ...speeds as necessary to keep the amp cool This keeps the fan noise to a minimum such as when the higher fan speed is not necessary Additionally the microprocessor monitors critical functions such as po...

Страница 13: ...e function The mute affects the speaker outputs as well as the DI output However the tuner effects send and effects return are not affected by the mute function The effects loop in the Classic 300 is...

Страница 14: ...asis network at the effects send The overall response is theoretically a flat frequency response to a device in the effects loop However the pre emphasis de emphasis has the advantage of potentially l...

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