Walrus Audio - Voyager Overdrive
- mmolteratx
- Degoop Doctor
Who cares? It's a Klone...
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Not exactly. The term "Klone" means a copy of the Klon Centaur.lovetone wrote:ok what another tube screamer?
- Manfred
- Tube Twister
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Have a look at this Shot.
The circuity around the IC at the top left indicates that the IC a switched capacitor voltage conveter such as 1044 or 7660 is.
All capacitors in the signal path are foil types and creamic types no electrolytes.
The clipping diodes are Germanium types.
The black one could be a 1N34 black glass diode
The circuity around the IC at the top left indicates that the IC a switched capacitor voltage conveter such as 1044 or 7660 is.
All capacitors in the signal path are foil types and creamic types no electrolytes.
The clipping diodes are Germanium types.
The black one could be a 1N34 black glass diode
- marcao_cfh
- Breadboard Brother
According to the schematic posted here, the original Klon have two 1uF and one 4,7uF electrolytics in the signal path.
Anyway, that dual gang gain pot is another evidence that it's a Klone.
Anyway, that dual gang gain pot is another evidence that it's a Klone.
- Manfred
- Tube Twister
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I see, you are right, I am was wrong.marcao_cfh wrote:According to the schematic posted here, the original Klon have two 1uF and one 4,7uF electrolytics in the signal path.
Anyway, that dual gang gain pot is another evidence that it's a Klone.
- marcao_cfh
- Breadboard Brother
No, we are both right
Top left IC is a voltage converter such as 1044 or 7660. According to this schematic (viewtopic.php?f=14&t=26088), it's a 7660, with 6 eletrolytics for this part of the circuit. You can see 6 eletrolytics around the top left IC.
The schematic shows three 1uF and one 4,7 eletrolytics in the signal path (I missed one in my last comment ), and another 4,7uF eletrolytic in the bypass path. Including the voltage converter circuit, there are 11 eletrolytics. But the photo shows only 8 eletrolytics. So this Walrus circuit used something else for the caps, maybe changed the values and used ceramics. The two yellow ones may be tantalum, not ceramic, but still there's one cap missing. And there's "D6", which is named as a diode but masked as a eletrolytic and missing on this board. The schematic shows 3 pots and 3 ICs, which matches this photo. I won't count all the caps and resistors, but these facts are enough to me to believe it's a Klone, or something based in a Klon.
Top left IC is a voltage converter such as 1044 or 7660. According to this schematic (viewtopic.php?f=14&t=26088), it's a 7660, with 6 eletrolytics for this part of the circuit. You can see 6 eletrolytics around the top left IC.
The schematic shows three 1uF and one 4,7 eletrolytics in the signal path (I missed one in my last comment ), and another 4,7uF eletrolytic in the bypass path. Including the voltage converter circuit, there are 11 eletrolytics. But the photo shows only 8 eletrolytics. So this Walrus circuit used something else for the caps, maybe changed the values and used ceramics. The two yellow ones may be tantalum, not ceramic, but still there's one cap missing. And there's "D6", which is named as a diode but masked as a eletrolytic and missing on this board. The schematic shows 3 pots and 3 ICs, which matches this photo. I won't count all the caps and resistors, but these facts are enough to me to believe it's a Klone, or something based in a Klon.
- Manfred
- Tube Twister
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I do not believe in Tantalums, I think these Caps ar Ceramics in modern design.The two yellow ones may be tantalum, not ceramic, but still there's one cap missing.