Durable Swr Basic Black Tube Preamp 160 Watt 15" Bass Combo Amplifier Usa Pink Used Series [iLxY2VsX]

Durable Swr Basic Black Tube Preamp 160 Watt 15" Bass Combo Amplifier Usa Pink Used Series [iLxY2VsX]

Used with wear associated with use. Minor cosmetic scratches/scuffs from handling and play. Any noteworthy blemishes or issues will be described and pictured. Works as it should.

Recovered in Pink Tolex.

Has scratches on the face & back panel.

The Basic Black Integrated Bass System has been designed as a no-frills amplifier for the player requiring a pure sound and a minimum of controls.

The precision electronic section is entirely hand-built, employing a variety of technologies selected for their sound quality and practical usefulness in a road able and studio-ready amplifier, including vacuum tubes in the initial gain stages of the preamplifier section and discrete solid-state design in the power amplifier. Regardless of its lower price, the Basic Black offers no compromises of the essential SWR design and construction philosophy. Corners are not cut from a more elaborate model: rather, each product's design parameters are conceived from the ground up and the best available components selected for each application.

The Basic Black's tone-shaping section, including the Aural Enhancer (found in all SWR Preamps and Integrated Amplifiers) and the Tone Controls, will not impose a character on your sound. They will instead make the interface between your instrument and the speaker system, the two biggest factors in your final tone, a simple matter and a minimal effort. The center frequencies of the Tone Controls were chosen for their musical effect on most basses. The Basic Black speaker system features a single die-cast frame (as opposed to the more frequently found stamped frame) 15 inch bass driver from Professional Audio Systems coupled with a piezo tweeter for frequencies above 5KHz. The cabinet is constructed from 3/4" Douglas fir and 7-ply birch.

EVERY BASIC BLACK FROM SWR IS ENTIRELY ASSEMBLED BY HAND IN CALIFORNIA. AT LEAST 75% OF COST IN RAW PARTS ARE MADE IN CALIFORNIA. TRULY "HAND MADE IN THE U.S.A."

SPECIFICATIONS - ELECTRONIC
Note: All measurements were taken with a line voltage of 120V AC. Maximum power at 1KHz under clipping:
120 Watts RMS @ 8 ohms
160 Watts RMS @ 4 ohms
*current limited at 2 ohms for thermal stability.
*160 Watts RMS @ 2 ohms
Power Amp Distortion (1KHz)
0.05% THD at rated output, 8 ohms
Intermodulation Distortion @ 8 ohms,
100 Watts RMS, 60/7KHZ, 4:1, = 0.11%
Frequency Response (power amp): -3db at 10 Hz and 30KHz
System Distortion (Gain and Master Volume full, enhancer and tone controls set flat,
1KHz) 0.175%THD
Sensitivity (for full output @ 8 ohms, 1 KHz)
Passive Input Jack = 10 millivolts
Active Input Jack = 50 millivolts
Input Impedance
Passive Input Jack = 800K ohms
Active Input Jack = 60K ohms
Effects Return Jack = 27K ohms
Output Impedance
Effects Send Jack = 100 ohms
Tuner Out Jack = 100 ohms
Signal to Noise Ratio, unweighted
-70db (10 millivolts typical, mostly hum)
Equivalent Input Noise
3.2 micro-volts
CABINET/SPEAKERS
Size: 22.75" wide X 20.5" high X 16.5" deep
Weight: 50 lbs.
Impedance: 8 ohms
15" Woofer
Tweeter Inductive type piezo crossed over @ 5KHz

Cabinet Construction
Interlocking dado, glued and nailed using 3/4" Douglas fir

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