Fantastic, vintage character modern 2 channel equalizer. It's a bottom-up all original design. Mint condition.
"The AM/CHA1's circuitry is actually based on a standard state‑variable filter topology, but uses carefully optimised, custom‑wound Cinemag inductors in the filter circuits, and Edcor PC‑mounting steel‑cored transformers for both the input and output stages. These low‑loss coupling transformers use grain‑oriented iron‑silicon alloy laminations, with a 10k/10kΩ-impedance type handling the input and a 600/600Ω impedance for the output. With this amount of iron in the signal path, it will come as no surprise to learn that the AM/CHA1 has something of a vintage sound character, with distinct warmth and sheen properties! That character is largely maintained even when the EQ is bypassed, which is useful if you want to add a bit of flavour to a mix." - SOS Dec 2010/Hugh Robjohns
"The AM/CHA1's circuitry is actually based on a standard state‑variable filter topology, but uses carefully optimised, custom‑wound Cinemag inductors in the filter circuits, and Edcor PC‑mounting steel‑cored transformers for both the input and output stages. These low‑loss coupling transformers use grain‑oriented iron‑silicon alloy laminations, with a 10k/10kΩ-impedance type handling the input and a 600/600Ω impedance for the output. With this amount of iron in the signal path, it will come as no surprise to learn that the AM/CHA1 has something of a vintage sound character, with distinct warmth and sheen properties! That character is largely maintained even when the EQ is bypassed, which is useful if you want to add a bit of flavour to a mix." - SOS Dec 2010/Hugh Robjohns
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| Listed | 6 years ago |
|---|---|
| Condition | Mint (Used) Mint items are in essentially new original condition but have been opened or played.Learn more |
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