2 Channel Microphone Preamplifier: CSPA-1
CSPA-1B (with 48v phantom power, 12v T or 12v phantom power*): $1,290.00 (as of January 1, 1997)
CSPA-1C (with M/S decoder and mic powering as in CSPA-1B): $1,390.00 (as of January 1, 1997)
*The standard configuration is 12T, 12v phantom power may be specified on placement of order.
Specifications:
EIN: (150ohm) 20-20kHz -128dBU
THD & N: 20-20kHz 0.003%
Frequency Response: 20-20kHz (+/-) 0.2dB
Headroom: +26dBU
Pads: -15dB
Filters:
HP1: F(c): 50Hz -6dB/octave
HP2: F(c): 100Hz -6dB/octave
Chassis: 7" x 5" x 1.5"
Weight (w/Batteries): 2 lbs.
Internal Supply: 4 x 9v batteries
External Supply: (+/-) 12v to (+/-) 18v DC
Contact:
Cooper Sound Systems, Inc.
645 Main Street, Suite C
Morrow Bay, CA 93442
(805) 772-1007
coopersound@charterinternet.com
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Photos:
Front/Top
Front
Right
Left
Back
Back w/o battery cover and w/Tuchel 3pin power plug
Top w/o cover
Top w/ daughter board moved
Close up of the Jensen transformers and SSM2017 chips
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this one (CSPA-1C) belongs to tad black here in atlanta. i'm switching out the ssm2017 chips for the burr-brown ina217 chips and building him a +18/-18v external power supply.
according to tad, this baby sounds really nice!
marc