CRUSH BASS 25 — instructions for use
Top panel

Power
Headphones socket
Aux in
Volume
Treble
Mid range
Frequency
Bass
PAD
Input
Tuner
1. Power
The LED will illuminate when the power switch (rear panel) is set to ON.
2. Headphones socket
For use with most stereo headphones with a quarter-inch connection. The socket also features CabSim for a more authentic sound, and can be used to send a signal to a recording console/mixer. The internal speaker is disconnected when the Phones output is in use. Note: to avoid possible hearing damage, do no use headphones at high volume levels for extended periods.
3. Aux In
For use with mp3 players, laptops etc. via a 3.5 mm audio cable. The audio signal is internally summed to mono.
4. Volume
Controls the output volume level.
5. Treble
Adjusts the upper frequencies with up to 20 dB of boost (maximum setting) or cut (minimum setting).
6. Middle
Controls the effect of the Frequency dial with up to 15 dB of boost (maximum setting) or cut (minimum setting).
7. Frequency
Selects the centre frequency of the mid-range control, sweeping from 300 Hz (minimum ) to 2.7 kHz (maximum). Please note: when the mid-range control is in the centre (12 o’clock position), moving the frequency control will have no audible effect.
8. Bass
Adjusts the low-end frequencies with up to 15 dB of boost (maximum setting) or cut (minimum setting).
9. PAD switch
Reduces the input signal by 6 dB, maintaining a clean signal with higher-output instruments.
10. Input
Use a quality shielded instrument cable to connect your instrument to the Input jack socket.
11. Tuner
Depress the On/Off button to engage the tuner. The appropriate red LED will illuminate on the display to indicate the note being played. If the green “#” LED also illuminates, this indicates a sharpened note, e.g., (F#). The > arrow LED indicates the played note is flat. The < arrow LED indicates played note is sharp. Adjust the string’s pitch in the direction shown by the arrows until the green "OK" LED is lit. Set the volume to zero for silent tuning if required.
1. AC mains input and mains fuse
Refer to “Before Using Your Amplifier”. Connect the supplied IEC cable to the AC Mains Inlet. Ensure the Power switch is set to Off before connecting the IEC cable.
2. Power
Ensure the amp’s volume controls are set to zero before switching on power to the amplifier. Switch off when not in use.
3. Voltage selector switch
Refer to “Before Using Your Amplifier”
4. Mains fuse
The mains fuse is located in the pull-out tray underneath the AC mains input. If the mains fuse blows, replace this fuse only with the exact type and rating as printed on the chassis. If the mains fuse continues to blow, contact your Orange dealer.
CRUSH BASS 50 — instructions for use
Top panel

Power
Headphones socket
Aux in
Volume
Treble
Mid range
Frequency
Bass
Blend
Gain
PAD
Input
Tuner
1. Power
The LED will illuminate when the power switch (rear panel) is set to On.
2. Headphones socket
For use with most stereo headphones with a quarter-inch connection. The socket also features CabSim for a more authentic sound, and can be used to send a signal to a recording console/mixer. The internal speaker is disconnected when the Phones output is in use. Note: to avoid possible hearing damage, do no use headphones at high volume levels for extended periods.
3. Aux In
For use with mp3 players, laptops etc. via a 3.5 mm audio cable. The audio signal is internally summed to mono.
4. Volume
Controls the output volume level.
5. Treble
Adjusts the upper frequencies with up to 20 dB of boost (maximum setting) or cut (minimum setting).
6. Middle
Controls the effect of the Frequency dial with up to 15 dB of boost (maximum setting) or cut (minimum setting).
7. Frequency
Selects the centre frequency of the mid-range control, sweeping from 300 Hz (minimum ) to 2.7 kHz (maximum). Please note: when the mid-range control is in the centre (12 o’clock position), moving the frequency control will have no audible effect.
8. Bass
Adjusts the low-end frequencies with up to 15 dB of boost (maximum setting) or cut (minimum setting).
9. Blend
Controls the amount of gain/upper harmonics blended with the clean signal. The character of the Blend control is defined by where the Gain control is set. Higher Blend settings will also add extra volume. With the Gain set to minimum, the Blend control will have the least effect on the overall sound. The Blend control is located before the EQ controls in the signal path.
10. Gain
Controls the level of gain applied to the upper frequencies. Increasing the gain adds extra harmonics and, at higher settings, heavy distortion. The Gain control works together with the Blend control.
11. PAD switch
Reduces the input signal by 6 dB, maintaining a clean signal with higher-output instruments.
12. Input
Use a quality shielded instrument cable to connect your instrument to the Input jack socket.
13. Tuner
Depress the On/Off button to engage the tuner. The appropriate red LED will illuminate on the display to indicate the note being played. If the green “#” LED also illuminates, this indicates a sharpened note, e.g., (F#). The > arrow LED indicates the played note is flat. The < arrow LED indicates played note is sharp. Adjust the string’s pitch in the direction shown by the arrows until the green "OK" LED is lit. Set the volume to zero for silent tuning if required.
1. Effects loop
Use the effects loop to connect external effects processors/pedals between the amp’s preamp and output stages. Connect the Send socket to the input of external effects, and the Return socket to their outputs.
2. Blend footswitch
Connect a latching footswitch (e.g., Orange FS-1) to remotely engage/defeat the Blend and Gain controls.
3. AC mains input and mains fuse
Refer to “Before Using Your Amplifier”. Connect the supplied IEC cable to the AC mains inlet. Ensure the Power switch is set to Off before connecting the IEC cable.
4. Power
Ensure the amp’s volume controls are set to zero before switching on power to the amplifier. Switch off when not in use.
5. Voltage selector switch
Refer to “Before Using Your Amplifier”
6. Mains fuse
The mains fuse is located in the pull-out tray underneath the AC mains input. If the mains fuse blows, replace this fuse only with the exact type and rating as printed on the chassis. If the mains fuse continues to blow, contact your Orange dealer.
CRUSH BASS 100 — instructions for use
Top panel

Power
Balanced out
Headphones socket
Aux in
Volume
Treble
Mid range
Frequency
Bass
Blend
Gain
PAD
Input
Tuner
1. Power
The LED will illuminate when the power switch (rear panel) is set to On.
2. Balanced out
Use this output to send a balanced signal (post EQ) to a PA system/mixer etc. The signal level is preset and is unaffected by the Volume control. Depress the GND button if ground hum is a problem when connected to external equipment.
3. Headphones socket
For use with most stereo headphones with a quarter-inch connection. The socket also features CabSim for a more authentic sound, and can be used to send a signal to a recording console/mixer. The internal speaker is disconnected when the Phones output is in use. Note: to avoid possible hearing damage, do no use headphones at high volume levels for extended periods.
4. Aux In
For use with mp3 players, laptops etc. via a 3.5 mm audio cable. The audio signal is internally summed to mono.
5. Volume
Controls the output volume level.
6. Treble
Adjusts the upper frequencies with up to 20 dB of boost (maximum setting) or cut (minimum setting).
7. Middle
Controls the effect of the Frequency dial with up to 15 dB of boost (maximum setting) or cut (minimum setting).
8. Frequency
Selects the centre frequency of the mid-range control, sweeping from 300 Hz (minimum ) to 2.7 kHz (maximum). Please note: when the mid-range control is in the centre (12 o’clock position), moving the frequency control will have no audible effect.
9. Bass
Adjusts the low-end frequencies with up to 15 dB of boost (maximum setting) or cut (minimum setting).
10. Blend
Controls the amount of gain/upper harmonics blended with the clean signal. The character of the Blend control is defined by where the Gain control is set. Higher Blend settings will also add extra volume. With the Gain set to minimum, the Blend control will have the least effect on the overall sound. The Blend control is located before the EQ controls in the signal path.
11. Gain
Controls the level of gain applied to the upper frequencies. Increasing the gain adds extra harmonics and, at higher settings, heavy distortion. The Gain control works together with the Blend control.
12. PAD switch
Reduces the input signal by 6 dB, maintaining a clean signal with higher-output instruments.
13. Input
Use a quality shielded instrument cable to connect your instrument to the Input jack socket.
14. Tuner
Depress the ON/OFF button to engage the tuner. The appropriate red LED will illuminate on the display to indicate the note being played. If the green “#” LED also illuminates, this indicates a sharpened note, e.g., (F#). The > arrow LED indicates the played note is flat. The < arrow LED indicates played note is sharp. Adjust the string’s pitch in the direction shown by the arrows until the green "OK" LED is lit. Set the volume to zero for silent tuning if required.
1. Effects loop
Use the effects loop to connect external effects processors/pedals between the amp’s preamp and output stages. Connect the Send socket to the input of external effects, and the Return socket to their outputs.
2. Blend footswitch
Connect a latching footswitch (e.g., Orange FS-1) to remotely engage/defeat the Blend and Gain controls.
3. AC mains input and mains fuse
Refer to “Before Using Your Amplifier”. Connect the supplied IEC cable to the AC mains inlet. Ensure the Power switch is set to Off before connecting the IEC cable.
4. Power
Ensure the amp’s volume controls are set to zero before switching on power to the amplifier. Switch off when not in use.
5. Voltage selector switch
Refer to “Before Using Your Amplifier”
6. Mains fuse
The mains fuse is located in the pull-out tray underneath the AC mains input. If the mains fuse blows, replace this fuse only with the exact type and rating as printed on the chassis. If the mains fuse continues to blow, contact your Orange dealer.