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david watt

WTS: Balanced B22 Amp with dual Sigma Power supply

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Description of Item             : B22 amplifier: http://www.amb.org/audio/beta22/

Condition                          : 8/10. Used item.

Warranty                          : NIL

Selling price                      : S$2300 FIRM. Lowballers please stay away. Not a firesale.

Preferred Location              : Self Collect from my home near Aljunied MRT as item is heavy.

Preferred Mode of Contact   : PM

Contact Detail                   : PM

 

This is a highly speced and versatile B22 made by Mr Majestic at Head-fi:

http://www.head-fi.org/t/400095/sold-balanced-b22-amp-eu

 

The Euro Exchange Rate then is higher than the current one. Not to mention shipping, GST and paypal fees.

 

Features:

 

1) Internally:

 

-Separate chasis for amplifier boards (top chasis) and power supply(bottom chasis) to minimise electromagnetic interference at the amplifier from the power supply

 

- 2 Sigma power supply i.. Separate power supply for left, right channel.

 

- Uses DRV134 chipset. Converts RCA input to balanced:

http://www.ti.com/product/drv134

 

- Twisted Pear Audio's Joshua Tree 128 steps Volume Attenuator: http://www.twistedpearaudio.com/control/jt.aspx

 

- Headphone/Speaker Switch Board. Can be used as both a headphone and Speaker Amplifier!

 

2) Externally in front:

 

- Toggle switch for XLR or RCA input

 

- Toggle Switch for speaker/ headphone output. 

 

- Balanced/ Single ended Headphone out

 

3) Externally at back:

 

- Accepts both XLR and RCA input.

 

- Speaker output. Have used it to drive Bookshelf speakers like Dynaudio BM6.

 

 

Some Pictures:

 

IPB Image

 

IPB Image

 

IPB Image

Edited by david watt

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