Audio Research SP20 Tube Pre-Amplifier, Silver Finish
Listed · 107 Views
This listing has ended.
Listings Similar to Audio Research
Time Left: None
This listing has ended.
Condition | |
Payment methods | Contact seller |
Contact seller after sale to pay viaVISA/Mastercard, American Express, Discover, Certified check, Personal check or Wire Transfer | |
Ships from | Ann Arbor, MI, 48103 |
Ships to | United States |
Package dimensions | unspecified |
Shipping carriers | UPS or FedEx |
Shipping cost | Specified after purchase |
Original accessories | Remote Control, Box, Manual |
Average | Research Pricing |
The SP20 is a full-function line stage which incorporates a phono preamplifier and a ¼" headphone jack. Front panel controls have been minimized to two rotary controls and an interactive touch screen display, along with power, mute and output selector buttons.
About this product
Fantastic condition trade-in Audio Research SP20 in Silver Finish. Unit comes in original box with power cord and owner's manual.
Unit is rated 8/10 for very minor cosmetic wear consistent with age (see photos).
SPECIFICATIONS
FREQUENCY RESPONSE
Line: +/- 3dB 2 Hz to 80 kHz; -3dB 0.8Hz to 220 kHz
Phono: +/- 0.1dB of RIAA 10Hz to 20kHz; +/- 0.4dB 5Hz to 80kHz
Headphone: +/- 0.05dB 20Hz to 20kHz; -3dB 0.8Hz to 220kHzTHD+N
Line: <.003% at 2V RMS, Bal output
Phono: <.005% at 3V RMS output, to Record output
Headphone: <.009% at 1V RMS outputGAIN
Line: 13.8dB, Processor: 0dB
Phono: 58dB @ 1KHz to Record output
Headphone: 11.3dBNOISE
Line: <-101dBV volume at max.
Phono: <-77dBV to Record output
Headphone: <-88dBV volume at max.CHANNEL SEPARATION
Line: > 105dB Balanced output
Phono: >76dB to Record output
Headphone: >62dBSIGNAL TO NOISE RATIO
Line: >125dB Balanced output
Phono: >94dB to Record output
Headphone: >110dBRATED OUTPUTS
Line: 2V RMS (1V RMS SE) into 200k ohms balanced load (maximum balanced output capability is 18V RMS at less than .5% THD+N at 1kHz.).
Phono: 0.5V RMS into 100k load at Record output (maximum output capability is 25V RMS).
Headphone: 6V RMS maximum into 30 to 300 ohm load.INPUT IMPEDANCE
120k ohms Balanced, 60k ohms SE; Phono impedance programmable (100, 200, 500, 1000 or 47k ohms w/200pf unbalanced).OUTPUT IMPEDANCE
500 ohms Balanced, 250 ohms SE; 1000 ohms Record Out SE; <.05 ohms Headphone SE.OUTPUT POLARITY
Non-inverting.MAXIMUM INPUT LINE
19V RMS Balanced, 9V RMS SE. Phono: 70mV RMS at 1kHz.CONTROLS
Rotary Volume (104 steps), Rotary Input selector. PushBUTTONS
Power, Mute, SPKR Off. Interactive Touch Screen. Rear RS-232 control and Remote IR input.POWER SUPPLIES
Electronically regulated low and high voltage supplies. Automatic 30 sec. warm-up/brown-out mute. Line regulation better than .01%.TUBE COMPLEMENT
4 6H30 dual triode.POWER REQUIREMENTS
100 - 135VAC 60Hz (200 - 270VAC 50/60Hz) 77 watts maximum. Standby 2.7 watts.DIMENSIONS
Width 19" (48 cm)
Height 5.25"(13.4 cm) (standard rack panel)
Depth 16.5"(42 cm) D.WEIGHT
17.8 lbs. (7.4 kg) Net;
27.8 lbs. (10.5 kg) Shipping.
Additional Information
Please call 734.662.3595 and ask for Richard if you have any questions about this product. We make every effort to update our ads quickly when inventory fluctuates, but we encourage you to call and check product availability, as we are also a brick and mortar store.
For a complete listing of all of our specials, please visit: https://www.paragonsns.com/product-category/preowned-specials/
No questions have been asked about this item.
Ask the seller a public question
You must log in to ask a question.
Return Policy
Return Window
Returns are not accepted on this item.