Description
Tube stereo preamplifier. Generally marked 'Electronic
Industries'
Introduced
?
Discontinued
?
Revisions
CSP-1A
Options
30/50 - 150/250 - 500/600 Ohm input and/or output impedances
MSRP (US new retail)
$200 (CSP-1A Hi-Z)
$250 (CSP-1A Hi-Z in; Lo-Z out)
$250 (CSP-1A Lo-Z in; Hi-Z out)
$300 (CSP-1A Lo-Z in; Lo-Z out)
Specifications
| Frequency response | As mike preamplifier: Hi-Z ±1.0 dB 20 Hz to 20 kHz. LoZ ±1.0 dB 30 Hz to 15 kHz. |
|---|---|
| As phono preamplifier: ±1 dB of RIAA playback from 30 Hz to 15 kHz | |
| As tape head preamplifier: ±1 dB of published curve | |
| Distortion (THD) | Less than .1% from 30 Hz to 15 kHz @ 2V RMS (Hi-Z) output (typical, less than .02% in midband) |
| Intermodulation: Less than .05% 2V RMS output (Hi-Z) (60 Hz and 7 kHz mixed for 4:1 ratio at output) | |
| Noise & hum | Total harmonic content as RIAA phono preamplifier: (a) Approximately 300 µV RMS output (Hi-Z) (b) 70 dB below 1 V output (c) Less than 2 µV RMS equivalent input voltage. |
| Gain | Approximately 44 dB, reference 1 kHz (Hi-Z) |
| Input impedance | |
| Output impedance | |
| Output polarity | |
| Maximum inputs | Hi-Z input: 1 kHz 450 mV RMS |
| Rated outputs | Hi-Z output: @ 1 kHz 75 V RMS |
| Power supplies | |
| Tube complement | |
| Power requirements | 117V 50/60Hz approximately 16 watts |
| Other | |
| Dimensions | |
| Weight |
Reviews
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