DB 659 Tube Bass Preamp

DB 659 Tube Bass Preamp Specifications:

• Active/Passive inputs: One active and one passive input, for matching with the output gain of your bass. Controls the input gain to the preamp.
• Deep Switch: The deep switch adds 3dB of broad band boost at 30 HZ. This is the instant fatness switch that makes bass sound warm and full.
• Equalization: Treble: Tube driven shelving type, boosts/cuts up to 12 dB. The center frequency is set at 4kHz. Bass: Tube driven shelving type, boosts/cuts up to 12 dB. The center frequency is set at 40Hz. Midrange: Tube driven shelving centered at 400Hz. This pot is very smooth and useful for scooping the mids for funk, or adding mids that are clear and musical.
• Bright Switch: This switch is a passive RC pre-emphasis circuit @ 5-7 kHz. The bright switch will add a brighter timbre to the entire range of your bass.
• Effects Loop: The Send pot is push/pull for line or instrument level. This allows you to use a studio efx unit (line level) or a stomp box (requires instrument level) in the efx loop. The parallel/series pot is push/pull for parallel or series option.
• Master Output Control: This pot controls the output level to your power amp.
• Noise: > -80 dB (unweighted)
• Fuses: One external 1/4 amp slo-blo for 100-120 volt operation, or one 1/8 amp slo-blo for 220-240 VAC operation.
• Preamp tubes: 2 - 12AX7s.
• Power supply: Regulated high voltage plate supply, regulated filament supply for lowest noise.
• Outputs: 2 unbalanced 1/4" outputs, one XLR balanced output with Jensen transformer.
• Inputs: One active input -39kOhm, one passive input -1meg ohm.
• EFX Send: Variable send level.
• EFX Return: One return with -20 dB to 0 dB compatibility.
• Weight: 6 lbs.
• Chassis: Aluminum construction provides sturdiness without excessive weight
• Warranty: 10-year limited.