for the
Owner’s Manual
BT-350
Bass Amplifier
All manuals and user guides at all-guides.com
all-guides.com
Page 1: ...for the Owner s Manual BT 350 BT 350 Bass Amplifier Bass Amplifier All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 2: ...d to best suit your personal needs Like all Crate products your BT 350 ThunderBass amp is Musician Made in the U S A using only the best components Extensive testing at many stages in its production including a final audition by a skilled musician insures you that your BT 350 ThunderBass amp is the best it can be In order to get the best possible performance please read this manual before you use ...
Page 3: ...nd on the pages indicated Tube Preamp Adjustable Drive control Low Mid and High frequency controls Low and High Boost switches Normal 0dB and padded 15dB input jacks page 4 Graphic EQ 7 bands 40Hz to 10kHz 12dB cut or boost Master Level control Footswitch control lable LED Indicator pages 4 and 5 Master Level Peak overdrive LED indicator Switchable Limiter circuit with LED indicator page 4 Chorus ...
Page 4: ... to the left reduces the upper bass output turning to the right increases the upper bass output The Mid control provides up to 11dB of boost or cut at 260Hz which changes the voice of your instrument s sound By boosting the Mid control you can make the sound of your bass cut through the rest of the band without getting a whole lot louder 7 HIGH Adjust the amount of high fre quency overtones with t...
Page 5: ... a footswitch equipped with a stereo plug such as Crate s CFP 2 EQUALIZATION section The graphic equalizer can be used in two different ways 1 To fine tune your sound make small adjustments at the desired frequencies and leave the EQ on for the entire performance 2 For a completely different sound make larger adjustments and only switch the EQ on when you want the radical change such as during bas...
Page 6: ...or details NOTE You may access the BT 350 s internal power amp through the Effect Return jack 34 for either the high or low signal This is covered in the section entitled Using the Biamp Capabilities on pages 8 and 9 LINE OUTPUTS 31 UNBALANCED This 1 4 mono phone jack supplies an unbalanced out put signal for connecting to an external power amplifier Very short runs under 20 to a mixer or recorder...
Page 7: ...System Block Diagram 7 7 BT 350 BT 350 ThunderBass Amplifier All manuals and user guides at all guides com ...
Page 8: ...he unit for biamp operation using the BT 350 as the low frequency power amp refer to the diagram below 1 Connect a shielded cable from the BT 350 s Biamp HIGH OUT jack and the input of the amplifier which will be used for the upper frequencies 2 Connect a shielded cable from the BT 350 s Biamp LOW OUT jack and its Effects Loop RETURN jack 3 Connect the Speaker Outputs of your high frequency power ...
Page 9: ...mplifier which will be used for the low frequencies 6 Connect a shielded cable from the BT 350 s Biamp HIGH OUT jack and its Effects Loop RETURN jack 7 Connect the Speaker Outputs of your low frequency power amp to the speaker cabinet s that will be used to reproduce the low bass notes Woofers in the 15 to 18 range work well for these low notes 8 Connect the Speaker Outputs of the BT 350 to the sp...
Page 10: ...optional You can crank the Tube Drive even more for distortion if you do back off the EQ level ROCK This will produce a very smooth sound with a minimum of percussive tones JAZZ BT 350 BT 350 ThunderBass Amplifier All manuals and user guides at all guides com ...
Page 11: ...g the EQ Level produces more clean volume Set the Master Level to taste COUNTRY Chorus is a great effect with this setting FUNK POPPING BT 350 BT 350 ThunderBass Amplifier All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 12: ...Control Range Low Boost 8dB 20Hz Low 13dB 40Hz Mid 11dB 260Hz High 15dB 5kHz High Boost 10dB 10kHz Graphic EQ Level 8dB 10dB Graphic EQ Range 12dB 40Hz 100Hz 250Hz 625Hz 1 6kHz 4kHz 10kHz Signal to Noise Ratio 84dB typical Input Impedance 0dB input 1M ohm 15dB input 122k ohm Maximum Signal Level Accepted 0dB input 2 5V peak to peak 15dB input 14V peak to peak Tube Type 12AX7 preamp Effects Loop Le...
