Some photos (click photo for a larger
view):
Front View
Back View
Documentation:
Much of the above documentation is in
Adobe's PDF format. You can get a free copy of the Acrobat Reader
here:
 |
K12 Preamp
The A and T Labs preamp was designed to achieve several
key goals:
- Clean,
long life, reliable source switching
- Electronically
controlled, non-deteriorating volume control
-
Impeccable
sonic performance and low noise and cross talk
To
achieve them, the preamp incorporates these features:
- 8
inputs – MM phono, Tuner, CD1, CD2, Tape1, Tape2, Aux1, Aux2
- 4
record outputs with monitor select for CD2, Tape1, Tape2, Aux1
- Gold
dual contact sealed relay source selection
- Front
panel headphone output
- Front
panel 1/8th inch appearance of Aux1, for an IPOD or similar
device
- Optical
encoder volume/balance control
- PIC
microprocessor control
- Bypass-able
bass and treble controls
- Mute
- 2
sets of controlled outputs to amplifiers
- Ground
plane main/audio PCB for low noise and crosstalk
-
2
power switched 5 volt outputs to drive relay controlled power strips
for system components
The following are available from A and T Labs:
-
Printed circuit boards
for main board, control board, and LED display board
-
Programmed
micro-controller
FAX (or mail) your order, using our
FAX
Order Sheet
Ordering Information
| Click to enlarge |
Item |
Description |
Weight |
Price |
|
|
K12PCB1 |
Main printed circuit board |
2 oz. |
$69 |
|
|
K12PCB3 |
Control printed circuit board |
16 oz. |
$15 |
|
K12PCB2 |
LED display printed circuit board |
2 oz. |
$11 |
|
|
K12PIC |
Programmed PIC microcontroller |
1 oz. |
$15 |
Ordering Information
|
