BENIDUB Spring Amp III Reverb Preamplifier User Guide

: September 26, 2024
: Benidub

Spring Amp III Reverb Preamplifier

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Product Specifications:

Origin: Made in Spain
Contacts: Orders@benidub.com | www.benidub.com
AUDIO IN/OUT: 1/4 bal. or unbal. MONO Jack. Balanced connection
improves the signal-to-noise ratio
SPRING TANK CONNECTIONS: 1/4 Unbal. MONO Jack to RCA
POWER INPUT: 12VDC, 1A, Center positive, 2.1mm x 5.5mm barrel
connector

Product Usage Instructions:

1-INPUT GAIN:

Sets the input amplifier gain, from unity gain to overdrive.

2-VU METER:

Shows the power amp input level.

3-FILTER CUTOFF:

Sets the filters cutoff frequency.

4-DRY TO FILTER:

Sets the amount of dry signal that, after being filtered, is
added to the unit’s output.

5-REVERB VOLUME:

Sets the spring reverb volume.

6-RESONANCE:

Sets the amount of filters resonance.

7-LPF/HPF:

Crossfade between HP and LP filter outputs.

8-PRE/POST SPRINGS:

Switches the spring signal routing, allowing for the filter to
be placed before or after the spring tank.

9-LFO WAVE:

Switches between 6 different LFO waveforms.

10-LFO RATE/DEPTH:

Dedicated controls to set the filters cutoff modulation speed
and amount.

Frequently Asked Questions (FAQ):

Q: How do I connect the audio input/output?

A: You can use a 1/4 bal. or unbal. MONO Jack for the audio
input/output. For balanced connection, use a balanced cable to
improve the signal-to-noise ratio.

Q: What power input does the product require?

A: The product requires a 12VDC, 1A power input with a center
positive, 2.1mm x 5.5mm barrel connector.

Q: How do I adjust the input gain?

A: Use the 1-INPUT GAIN control to set the input amplifier gain
from unity gain to overdrive.

Q: What does the VU Meter indicate?

A: The VU Meter shows the power amp input level for monitoring
purposes.

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Made in Spain
CONTACTS: Orders@benidub.com www.benidub.com

5 4

3

2 1

AUDIO IN/OUT: 1/4″ bal. or unbal. MONO Jack. Balanced connection improves the signal-to-noise ratio

SPRING TANK CONNECTIONS:

6

1/4″ Unbal. MONO Jack to RCA.

7

POWER INPUT: 12VDC,1A, Center positive,

8

2.1mm x 5.5mm barrel

9

connector.

10

1-INPUT GAIN: Sets the input amplifier gain, from unity gain to overdrive.
2-VU METER: Shows the power amp input level.
3-FILTER CUTOFF: Sets the filters cutoff frequency.
4-DRY TO FILTER: Sets the amount of dry signal that, after being filtered, is added to the units output.
5-REVERB VOLUME: Sets the spring reverb volume.

6-RESONANCE: Sets the amount of filters
resonance.
7-LPF/HPF: Crossfade between HP and LP
filter outputs.
8-PRE/POST SPRINGS: Switches the spring signal routing, allowing for the filter to be placed before or after the spring tank.
9-LFO WAVE: Switches between 6 different LFO waveforms.
10-LFO RATE/DEPTH: Dedicated controls to set the filters cutoff modulation
speed and amount.