About EQG-1A
All Tube Equalizer inspired by the Pultec EQP-1A.
Two Tubes: 12AX7 and 12AT7.
High-Voltage operate.
Input and Output audio transformer.
Extra-filter, lower noise.
Specifications:
External Source
110V/220V ~ (50/60Hz) / Output Voltage: 84/84 V ~ (250mA), 15/15 V ~ (1A)
Internal High-Voltage Operate
230 VDC (Plates 12AX7/12AT7), +12.5 VDC (Heater 12AX7), -12.5 VDC (Heater 12AT7)
Signal Section:
THD (Total Harmonic Distortion) @ 0dB Gain - Flat Eq
0.00064% @ 100Hz
0.08114% @ 200Hz
0.16851% @ 500Hz
0.12924% @ 1kHz
0.09793% @ 2kHz
0.11490% @ 5kHz
0.19953% @ 10kHz
0.00708% @ 12kHz
0.00025% @16kHz
Equivalent Input Noise (noise floor) -80dB @ +2db Gain
CPS Shelf Boost +15dB (approx.) per frequency
CPS Shelf Atten -17.5dB (approx.) per frequency
KCS Boost +17dB (approx.) per frequency
KCS Shelf Atten Sel -17dB (approx.) per frequency
Input Impedance 600 Ω (with permalloy audio transformer)
Output Impedance 50 Ω (with silicon audio transformer)
Frequency Response 20Hz to 20kHz
Controls Atten, Boost (per frequency), Bandwidht, Atten Sel, Low and Hi Selectors.
Rear Gain Control -12dB to 8dB
Tubes 1x 12AX7, 1x 12AT7 (Dual Cathode Follower Scheme)
Line Input XLR balanced
Line Output XLR balanced
Dimensions 3U x 19" x 280mm
Weight 5 kilos
Warranty: 1 year
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