Bottlehead crack otl schematic11/5/2023 ![]() This will compete with the DNA Stratus, WA22, Glenn OTL and other 2K+ amps easily. Plus it gave me a reason to use the BL63 input tube, the best input tube I've ever heard. If I didn't have a quad of gec 6AS7G among other tubes I wouldn't have pushed 700-800£ for a glorified bottlehead crack. ![]() Sold it as I already had two TOTL amps but still wanted that great OTL sound in a small package. Had the Apex Teton for a year, super amp, in my top 3. I've been planning this crack for a long time. ![]() 3.0 C4S Upgrade Kit 49.00 Speedball 1.1 Upgrade for Crack Amplifier 115.00 TwoQuiet Stepped Attenuator Upgrade for Crackatwoa Headphone Amplifier 269. When you have superior components overall, from a larger, better power transformer with complementary tubes and the Metrum Pavane as a dac you'll find it's not that simple. Crack 1.1 OTL Headphone Amplifier Kit 369.00 484.00 Crackatwoa Headphone Amplifier Single Ended eXperimenter’s Kit 3.0 for Headphones & Sensitive Speakers 785.00 S.E.X. That's an old myth to stop people buying ridiculous caps, physically larger than the crack. Upgraded Bottlehead Crack 1.1 OTL Headphone Amplifier, Speedball, Mundorf Caps and Blue Alps Pot available - Price Listed is for Labor Only. Otherwise it's the same basic thing with tube rectification. If that were true the Crack-two-a should sound better than the Apex Teton since the teton has that capacitor in the power supply, and the teton is a more similar to a stock crack circuit design as it doesn't have any equivalent speedball even.
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