Electrodyne 2511 Dual Mono Equalizer
$2,300.00
The Electrodyne 2511 is a dual mono pair of classic two-band discrete transistor reciprocal active inductor equalizers using early ’70s design technology.
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Description
Electrodyne 2511 Dual Mono Equalizer
The Electrodyne 2511 is a dual mono pair of classic two-band discrete transistor reciprocal active inductor equalizers using early ’70s design technology. The custom inductors and output transformer are made by Electrodyne’s original maker to strict factory manufacturing tolerances as small as 2%. This allows consistent equalizer performance and repeatability from channel to channel that was not possible in the Sixties. Smooth performance and equalizer response from minimum to maximum gain at all frequencies provides unusually broad sonic and tonal options not experienced since the 1970s.
All current designs are built following actual original Electrodyne proprietary factory lab and engineering notes. And they have even gone to the trouble to have the designs reviewed and approved by original Electrodyne engineering staff for accuracy and adherence to company design criteria.
Features:
- All discrete transistor design
- Custom wound Output Transformers (original manufacturer)
- Custom wound eq Inductors (original manufacturer)
- Custom concentric gain/frequency switches (mil-spec quality)
- Original design knobs and control levers (original manufacturer)
- Rugged powder coated steel chassis
- Heavy-gauge Anodized Aluminum Face Plate
- All XLR I/O
- Active balanced discrete transistor input
- Transformer balanced output
- Individual Low and High Shelving Switches per band for each channel
- Each eq band network is completely bypassed when its gain control is placed at the “0” mark
- On/Off Power Switch
- Red LED Power Indicator
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Additional information
| Weight | 14 lbs |
|---|---|
| Condition | New |
| Brand | Electrodyne |
Technical Specifications:
- Input: Active balanced discrete transistor impedance converter
- Output: Custom wound large format multifilar transformer
- Output Impedance: 600?
- +/-12 db gain range: Equalize or attenuate
- LF: 40, 100, 250, 500hz
- HF: 1.5k, 3k, 5k, 10k
- Shelving at all frequencies, Peaking: 250, 500 (LF), 1.5k, 3k and 5k (HF)
- Distortion: 0.03% typical
- HF peaking Q: = .35
- LF peaking Q: = .7
- HF shelving slope: Approx. 3dB/ oct
- LF shelving slope: Approx. 4dB/ oct
- Maximum output: +30dbu at less than 0.8%thd, +29.5dbu at 0.06%thd
- Frequency response: +/- 0.25db, <10 hz to> 70khz typical (no filters engaged)
- Signal to noise: -85dB typical
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