Black Box HG-2 User Manual Download Page 7

3

ANALOG DESIGN

 

 

 

 

 

 

D

8

7

6

5

4

3

2

1

 

ON

OFF

SATURATION

IN/OUT

ALT TUBE

LOW

FLAT

HIGH

Sat. Freq.

AIR

BYPASS

VU

PPM

HG-2

 

TRIM

L

R

13

14

15

16

17  

IEC power socket

13

Master on/off switch:  In the “off” position, no power will reach the face plate 

and the front panel power switch will be inoperable.  Be aware that in the 

“on” position, power is present inside the box even when the power switch 

on the front panel is in the “off” position.

14

2AG power fuse: Replace only with the same rating fuse (5 amp slow blow)

15

Balanced line input

16

Balanced line output

17

LEFT

RIGHT

Summary of Contents for HG-2

Page 1: ...rev 3 0...

Page 2: ......

Page 3: ...ter This was 2009 and it became obvious that no one made what we were looking for so we created Black Box Analog Design and spent the next five years designing the HG 2 The HG 2 is specifically and un...

Page 4: ......

Page 5: ...perly Never under any circumstances operate this unit without being connected to a properly grounded circuit If you are unsure consult an electrician to make sure your outlet is properly grounded befo...

Page 6: ...es between two sets of 12AX7 tubes in the parallel saturation circuit Pentode gain control Selects between VU and PPM meter modes Triode gain control Engages or disengages high frequency air lift Left...

Page 7: ...ate and the front panel power switch will be inoperable Be aware that in the on position power is present inside the box even when the power switch on the front panel is in the off position 14 2AG pow...

Page 8: ......

Page 9: ...nd eventually saturation as you drive them harder Driving the Pentode quickly produces harmonics while pushing the Triode saturates the signal in a very pleasing way Along with the main signal path th...

Page 10: ...wing the user to try different tubes and switch between them in real time at the push of a button Increase RMS of your signal The same controls that allow you to enhance your signal with harmonics als...

Page 11: ...entode up again but this time use the output attenuation to compensate Notice the difference in response Starting again from the neutral position increase the triode gain using the output volume to co...

Page 12: ...rcuit In the Flat position full bandwidth is fed into the circuit allowing for saturation of all frequencies In the Low position only the low mid and bass frequencies are fed into the circuit This all...

Page 13: ...RATION IN OUT ALT TUBE LOW FLAT HIGH Sat Freq AIR BYPASS VU PPM HG 2 TRIM L R SESSION ____________________________________________ DATE _______________ NOTES TRACK ____________________________________...

Reviews: