Enclosure not stated · 2 knobs
Roland AF-60 BeeGeeVerified
Based on the Roland AF-60 Bee Gee· 7 other boards clone it
From the post
I personally enjoyed the AF-100 BeeBaa design a lot, so once i noticed that this existed - i just had to draw it up. Slave to my own habits, i "modernized" the transistor pinouts to match those everyone have in their drawers. Original has 2SC1000GRs in them, so your usual suspects should work just fine in there - 2N5088, 2N5089, BC549, BC550, MPSA18 and so on. The opamp in the original unit is metal can version of TA7504 - which is very close to LM741, but you should be able to get it right with almost any single opamp.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.
Parts list 25 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this layout was not sure of
- 250pF next to the 2.2M at the top: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×4 | 10K | 10k | read from the layout by eye | |
| ×3 | 15K | 15k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 250pF | 250p | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×3 | 47nF | 47n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | 1N914 | 1N914 | D1, D2; read from the layout by eye | |
| D3 | 1N4001 | 1N4001 | legend: or 1N5817; read from the layout by eye | |
| Transistors 1 | ||||
| ×2 | 2SC1000 | 2SC1000 | legend: Transistors were 2SC1000 (try 2N2088, BC549 or similar - mind the pinout); read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TA7504 | TA7504 | legend: IC was TA7504 (try LM741, TL071, NE5534 or similar); read from the layout by eye | |
| Potentiometers 2 | ||||
| Tone | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | A50K | A50k | Potentiometer | read from the layout by eye |
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