Benidub / Spring Amp II：スプリングリバーブ・プリアンプ

The [SPRING AMP II Spring Reverb Preamp] is a HIFI amp for spring reverb tanks that features a 12dB/oct filter and modulation. It can be used as an interface/effector between spring reverb tanks sold for audio mixers and guitar amps.

Features
・Equipped with a 7.5W constant current amplifier
(capable of controlling an 8ohm reverb tank at maximum volume, with even higher-pitched response than before)
・Noise countermeasures have been implemented, and a significant reduction in noise has been achieved compared to previous models
・Equipped with two LED VU meters, making overloads visible
・Equipped with a 12dB/oct resonant filter (HPF/LPF selectable)
・Filter modulation uses either a triangle wave (LFO) or sample & hold
・Equipped with a crossfader (reverb output with/without filter)

Specifications
Power input: 12VDC 1A adapter (100-240V, plug: 2.1mm, center +)
Audio input: 1/4“ TRS phone jack (balanced: 15k ohms)
Audio output: 1/4” TRS phone jack (balanced: 47R impedance)
Dimensions: 150 x 120 x 60mm (*including knobs and connections)
Weight: 580 grams

Accessories
1. DC adapter (input: DC100-240V 50/60Hz, output: DC12V 1A, plug: 2.1mm)
2. User manual, reverb tank compatibility list (Japanese)
3. Warranty (6-month warranty)

【Notes】
*This product does not come with a spring reverb tank.