| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | do not attenuate tuner output at allHEADmaster | rekado | 2015-04-18 | 2 | -5/+6 |
| | | |||||
| * | explain how to keep schematics and board in sync | rekado | 2015-04-10 | 1 | -0/+11 |
| | | |||||
| * | board: place and connect C450 | rekado | 2015-04-10 | 1 | -30/+39 |
| | | |||||
| * | place C450 on board, connected to external pin | rekado | 2015-04-10 | 1 | -10/+8 |
| | | | | | | | C450 must be placed after pin CONN403 (BLEND) as it should be placed on the board and is not part of the off-board assembly (unlike the dual potentiometre mixing RETURN_HIGH and RETURN_LOW). | ||||
| * | board: load updated netlist, remove pin | rekado | 2015-04-05 | 1 | -31/+35 |
| | | |||||
| * | connect nets XOVER and PREAMP_2 | rekado | 2015-04-05 | 1 | -0/+2 |
| | | |||||
| * | board.pcb: update to latest file format | rekado | 2015-04-05 | 1 | -1795/+1793 |
| | | |||||
| * | remove superfluous pin | rekado | 2015-04-05 | 1 | -11/+0 |
| | | |||||
| * | add pin for preamp2 out / xover in | rekado | 2015-04-05 | 1 | -2/+11 |
| | | |||||
| * | add TODO | rekado | 2015-03-01 | 1 | -0/+4 |
| | | |||||
| * | add archive of old drafts | rekado | 2015-03-01 | 1 | -0/+0 |
| | | |||||
| * | add parts map | rekado | 2015-03-01 | 1 | -0/+11 |
| | | |||||
| * | add old enclosure drawings | rekado | 2015-03-01 | 2 | -0/+6848 |
| | | |||||
| * | swap crossover output | rekado | 2013-08-08 | 1 | -9/+9 |
| | | |||||
| * | add indicator LED for crossover | rekado | 2013-08-07 | 1 | -6/+17 |
| | | |||||
| * | add output jacks | rekado | 2013-08-05 | 1 | -2/+29 |
| | | |||||
| * | add missing coupling capacitor | rekado | 2013-08-04 | 1 | -37/+39 |
| | | |||||
| * | colours and line thickness | rekado | 2013-07-28 | 1 | -1732/+1696 |
| | | |||||
| * | a few more fixes before production | rekado | 2013-07-26 | 1 | -511/+1109 |
| | | | | | | | - power switch and connector on the same side - add labels for clarification - clean up help lines | ||||
| * | ready for production? | rekado | 2013-07-25 | 1 | -1308/+1262 |
| | | |||||
| * | text: add on/off switch | rekado | 2013-07-23 | 1 | -152/+148 |
| | | |||||
| * | board holes to "holes" layer | rekado | 2013-07-23 | 1 | -154/+182 |
| | | |||||
| * | add status LED | rekado | 2013-07-20 | 1 | -166/+298 |
| | | |||||
| * | various changes | rekado | 2013-07-20 | 1 | -536/+1520 |
| | | | | | | | | - position and spacing of jacks - spacing of potentiometres - more dimension annotations - hole for DC jack | ||||
| * | drill pattern, first draft | rekado | 2013-07-19 | 1 | -0/+4618 |
| | | |||||
| * | drawing of Hammond enclosure | rekado | 2013-07-19 | 1 | -0/+6154 |
| | | |||||
| * | update component names / silk screen | rekado | 2013-01-25 | 5 | -105/+121 |
| | | |||||
| * | 3 mounting holes: M2x0.4 | rekado | 2013-01-08 | 1 | -10/+7 |
| | | |||||
| * | increase mount hole diameter | rekado | 2013-01-02 | 1 | -942/+940 |
| | | |||||
| * | reduce gain of melody preamp? | rekado | 2013-01-02 | 1 | -0/+2 |
| | | |||||
| * | move cap away from drill hole | rekado | 2013-01-02 | 1 | -19/+20 |
| | | |||||
| * | remove out pins to -Vcc from board | rekado | 2013-01-01 | 2 | -77/+88 |
| | | |||||
| * | remove outdated comment | rekado | 2013-01-01 | 1 | -3/+1 |
| | | |||||
| * | increase route to pin clearance | rekado | 2012-12-31 | 1 | -7/+7 |
| | | |||||
| * | simplify routing of melody return cap | rekado | 2012-12-31 | 1 | -35/+28 |
| | | |||||
| * | redesign | rekado | 2012-12-29 | 1 | -970/+1103 |
| | | | | | | | | - less space between resistors - removed trim pots - removed one signal buffer - routed Vcc through transistor pins (maybe change that later) | ||||
| * | bypass contacts are wired on the switch, off-board | rekado | 2012-12-29 | 1 | -14/+70 |
| | | |||||
| * | remove melody buffer (preamp is buffered); remove trim pots | rekado | 2012-12-29 | 2 | -94/+54 |
| | | |||||
| * | correct name | rekado | 2012-12-28 | 1 | -1/+1 |
| | | |||||
| * | connect only one of the jack switches | rekado | 2012-12-28 | 2 | -22/+21 |
| | | |||||
| * | reduce gain/distortion | rekado | 2012-12-27 | 1 | -1/+1 |
| | | | | | | there still is some distortion which could possibly be eliminated by increasing the resistor some more. | ||||
| * | don't roll off low frequencies in bass preamp | rekado | 2012-12-27 | 1 | -1/+1 |
| | | |||||
| * | pins to connect offboard blend pot | rekado | 2012-12-27 | 1 | -1/+21 |
| | | |||||
| * | put inputs on -Vcc when nothing is connected | rekado | 2012-12-27 | 1 | -3/+9 |
| | | |||||
| * | improve coupling at mixer | rekado | 2012-12-26 | 1 | -20/+66 |
| | | |||||
| * | add coupling caps to return; remove from mixer | rekado | 2012-12-26 | 1 | -148/+190 |
| | | |||||
| * | update all coupling caps to 10uF | rekado | 2012-12-26 | 4 | -18/+18 |
| | | | | | | this is to ensure that the voltage across the cap is low at all frequencies we care about. | ||||
| * | clean up middle section | rekado | 2012-12-26 | 1 | -535/+535 |
| | | |||||
| * | remove coupling caps | rekado | 2012-12-26 | 1 | -123/+122 |
| | | |||||
| * | connect reference voltage via resistor; reduce cap value | rekado | 2012-12-23 | 2 | -70/+132 |
| | | |||||
 |
index : hardware/stick-preamp | |
| This is a dual channel preamp in the making. I intend to use it with my [Chapman Stick](http://stick.com). You will need the [gEDA programs](http://www.geda-project.org) to view and edit these files. The [PCB editor](http://pcb.geda-project.org) is required to edit the board. | Fcgiwrap Daemon |
| summaryrefslogtreecommitdiff |