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Modwright SWL9.0 Anniversary Edition Preamp

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Modwright SWL9.0 Anniversary Edition Preamp 

Celebrating 17 years in business with the SWL 9.0 Anniversary Edition. SWL 9.0 Anniversary Edition Preamplifier is based on the original Modwright product of their own design.

The new SWL 9.0 Anniversary Edition features:

  • A high quality integral headphone amp
  • Home Theater Bypass
  • Remote volume control
  • Optional phono
  • A new power supply design and analog stage

Manufacturer's website ModWright


Modwright SWL9.0 Anniversary Edition Specifications

Tube Complement: 2 x 5687 signal tubes

Gain: ~ 14dB

Input Impedance: 30 Kohm

Output Impedance: ~ 800 ohm

Frequency Response: 20Hz 1 150kHz

Weight: 28.5 lbs 

Dimensions: 17" W x 12" D x 4" H

3 Sets of RCA inputs

1 Set RCA Home Theater ByPass (HT/BP) input

2 Sets of RCA Main Outs

1 Set of RCA Tape Outs.

Optional Phono-stage available.

Design Information:

Power Supply: Pi filter, Choke current regulated

Gain Stage: 'Mu' variation single gain / buffer stage

Power Sequence: Mute-on delay turn-on sequence with soft-start

Volume Control: Remote Control A1ps motorized volume potentiometer

Phase inverting Circuit.

Please find reviews below

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TONE Audio " Magazine Review, February 2017