Thunderfunk
Bass Amplifiers
OWNERS MANUAL
Page 1: ...Thunderfunk Bass Amplifiers OWNERS MANUAL...
Page 2: ...u won t know until you experience it Thunderfunk TFB800 B2 All of our products are designed to be serviceable in a professional application Everything we do we do for a reason and that reason is eithe...
Page 3: ...id state designs made famous by such classic designs as the Acoustic 360 and the AMP BH 420 They use the largest high quality power transformers that can be packed into two rack spaces Half the weight...
Page 4: ...d LED lighting to indicate muted operation Since the second input tuner out jack doubles as an input it is also muted by the Mute Switch Gain Limit with LED Indicator This control sets the preamp gain...
Page 5: ...essed signal increase the Gain Limit control as needed and balance this by decreasing the Volume control to a proper overall level Once this knob is set it generally will not need to be adjusted until...
Page 6: ...k Bass Control This tone control is a shelving type providing a boost or cut of 15dB starting at 80 Hz Frequen cies above this are not really affected but frequencies below are boosted uniformly The c...
Page 7: ...ing in the dead spot so common on many necks the one about way up on the G string The top three bands control frequencies where your sound starts to get defined as human hearing starts to sharpen The...
Page 8: ...peaker cabinet Treble Control This tone control is a shelving type providing a 15 dB of boost or cut at slope starting at 2000 Hz which is above the fundamental notes of even a standard guitar Frequen...
Page 9: ...to a punchy bass tone Turned down you get a deep full bass tone and turned up you get a tight punchy bass tone It is suggested you start with the Timbre at the 12 o clock setting set the EQ for the sp...
Page 10: ...that once seemed so perfect don t work well in a different room While a Thunderfunk is often used flat with no additional EQ the sound next to the cabinet WILL be different than it is in other places...
Page 11: ...reflected at this jack Power This switch turns the system on or off There is a Green LED to indicate power is applied and the fuse is good If the indicator light does not come on either the AC power c...
Page 12: ...p 1 all the EQ controls the Enhancer and the Timbre controls but before the front panel Volume next to the power switch the Effects Loop 2 and the Power Amp Signals from this XLR are therefore fully c...
Page 13: ...a mixing console or another preamp to the Power Amp input of the Thunderfunk This is where you would connect the special XLR to Phone jack cable mentioned in the Post EQ Balanced section of this manua...
Page 14: ...holder You should always check the voltage selector switches whenever you re unsure of what the amp is set to They are located under the cover plate above the AC power cord connector NOTE You can ope...
Page 15: ...fan on in the Auto position when the transis tors reach 140 degrees Fahrenheit On the TFB800 B2 the heat sinking had a major improvement and has reduced the operating temperature by about 20 degrees...
Page 16: ...r cables for line connections will result in excess noise and is not recommended Speakers should be connected with high quality speaker cables The lower the gauge number the thicker the wire and the m...
Page 17: ...ide mounted bumper feet will have to be removed to mount the rack ears On the TFB420 Serial numbers 100 299 the ears are attached by removing the top cover and then the side strap carry handle and att...
Page 18: ...ns 17 wide x 3 high x 10 1 2 deep 19 wide with rack ears Weight 21 pounds or 9 5 kilograms Add 1 pound or 0 45 kilograms for rack ears TFB750 A Serial Numbers 1001 to 1199 AC Power 100 120 220 240 vol...
Page 19: ...10 1 2 deep 19 wide with rack ears Weight 17 pounds or 7 7 kilograms Add 1 pound or 0 45 kilograms for rack ears TFB550 A Serial numbers 500 599 AC Power 100 120 220 240 volts 50 60 Hz Fuse Size 3AG...
Page 20: ...550 watts into 4 ohms or 300 watts into 8 ohms 2 OHM OPERATION IS NOT RECOMMENED Dimensions Serial Numbers 100 199 17 wide x 3 high x 9 1 2 deep 19 wide with rack ears Serial Numbers 200 399 17 wide...
Page 21: ...t malfunction first please make sure everything is plugged in correctly and your connecting cords are good Some warranty restrictions apply The amp must be purchased from an authorized dealer and the...
Page 22: ...Thunderfunk Bass Amplifiers www thunderfunk com...
