Used Audio Equipment

Full Range Speakers, Subwoofer, and Tube Amps

 full range speakers and vacuum tube amplifiers

DIY Full Range Speakers and Factory Built Vacuum Tube Amps

www.shuiow.icu

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Welcome!  You are visiting one of the best places on the web to buy and sell classic audio equipment.  We're not just speaker and amplifier designers, but collect classic equipment ourselves and often have some for sale or trade.  We're always happy to correspond with other collectors and to offer advice to those who need it.  Come in and have a look around! And please visit our web pages (links at the top of this page) for Audio Nirvana, Lowther, and Fostex full range speakers and tube amps.  These are among the best sounding speakers in the world AT ANY PRICE and start at only $125/pr.  The minimum efficiency, for most models, is 100 db for 1 watt.


Terms of Sale

 --We DO NOT sell garage sale, Ebay, flea market, or pawn shop junk! Our equipment is usually from the original owners. It is not modified, but in original condition. Repairs, if any, are usually limited to one or two parts.  Almost all the equipment we acquire is 'excellent' to 'mint' when received.  Because we are collectors, we refuse to purchase equipment in 'poor' or 'fair' condition. We also don't buy or sell poorly designed or 'cheap' audio equipment. Sure, you may be able to find some of this equipment for less, but ask yourself how much time, energy, and money you'll have to spend to make it right. And who else offers a money back guarantee--no questions asked--on equipment up to 60 years old?

--All equipment has been cleaned, all switches and tube sockets lubricated, tubes (if any) tested or replaced, and all dial lights and indicators are working. The unit has been thoroughly checked out through listening tests. This process can take three hours for an average piece of tube equipment. Do you really want to take the time to do this?!

vacuum tube amplifier dirty vacuum tube stereo amplifier cleaned

--All items come with a 10 day money back guarantee. You are only responsible for shipping charges.  Because of the time and effort required to package speaker cabinets, and their fragile nature, we cannot offer the return policy on these.  However, we guarantee the drivers in the enclosures.  They can be returned within ten days for repair or replacement.

--Literature is not returnable for obvious reasons.

--Condition is rated as new, mint, near mint, excellent, very good, good, fair, and poor.


Shipping

Depending on size, we usually use FEDEX Ground or Priority Mail with the Post Office.


Methods of Payment

 US Customers: We accept credit cards, Paypal, bank checks, money orders, or personal checks (with sufficient time to clear). We charge only the actual shipping costs.

Foreign Customers: We accept credit cards, Paypal, Western Union, International Money Orders, or wire transfers direct to our bank. We charge only the actual shipping costs.


Please checkout our brand new vacuum tube amplifiers.  Vintage circuits, and build quality, with modern reliability and guarantee.


Audio Nirvana 300B SET Single Ended Triode Class A Vacuum Tube Stereo Amplifier

Factory Built and Tested

 8 watts per channel, 56 lbs (25 kg)--$1599 with free USA shipping

300B single ended triode vacuum tube amplifier

Finally, someone has made a Class A Single Ended Triode vacuum tube stereo amplifier with deep, powerful, extended bass and highs that extend to the limits of human hearing.  Together with the traditional smooth and detailed SET midrange, this is the best sounding amplifier we have heard to date.  The Audio Nirvana 300B SET uses an enormously powerful toroidal power supply, protected in a real potted case (not a dummy one, as many companies use).  Transformers are massive and are hand wound in our own factory.  The amplifier weighs approximately 56 lbs (25 kg).  4 ohm and 8 ohm terminals. Three inputs with selector.  Dual voltage:  115 volts or 230 volts. Parts are chosen for the best possible sound quality--not because we want to impress you with 'boutique' names.  Each amplifier is beautifully hand assembled and tested.  To maintain the superb sound, there are no adjustments to be made--ever.  Self biasing, no AC or DC balance to adjust.  And made with the fewest parts possible and best sounding tubes currently available.

  Features
300B Single Ended Triode vacuum tube stereo amplifier.
Class A Single Ended Triode operation is the simplest and purist circuit possible.
Two PSvane 300B power tubes, one 6SN7 and one 6SL7 small signal tubes, and one 5AR4 rectifier.
Conservatively rated at 8 watts per channel.
Hand wired with point to point wiring. No integrated circuits.
Real potted transformers wound in our own factory.
Oversized toroidal power supply runs cool and efficiently with plenty of reserve.
Polished stainless steel chassis. Brushed aluminum face and back plates.
4 and 8 ohm gold plated metal speaker terminals.
Accepts three line level inputs.
Voltage selector for 115 or 230 volts.
Excellent build quality will ensure years of reliable service.
$1599 with free USA shipping.

 Specifications
INPUT IMPEDANCE: 100K ohm (RCA)
OUTPUT IMPEDANCE: 4 ohm - 8 ohm
OUTPUT POWER: 8W into 8 ohms, CLASS A
DAMPING FACTOR: >3
FREQUENCY RESPONSE: 20Hz-20KHz -1dB
T.H.D.: <1% 20Hz-20KHz (REF. OUTPUT)
TOTAL GAIN: 32dB
INPUT SENSITIVITY: 300mV - 600mV
S/N: >90dB (HUM NOISE <1.5mV)
CHANNEL BALANCE: <1dB 20Hz-20KHz (MAX. VOLUME)
CHANNEL SEPARATION: >65dB 20Hz-20KHz
TUBE COMPLEMENT:
6N9P (6SL7) x 1
6N8P (6SN7) x 1
300B x 2
5AR4 (GZ34) x 1
POWER REQUIREMENT: AC 230V or 115V ?%. 50/60Hz
DIMENSIONS: W x D x H  25cm ?45cm ?19cm - 10 x 18 x 7.5"
WEIGHT: N.W.:  23.5 KGS - 52 lbs.
G.W.:  25.5 KGS -  56 lbs.


Audio Nirvana EL34 Single Ended Class A Vacuum Tube Stereo Amplifier

Factory Built and Tested

 10 watts per channel, 33 lbs (15 kg)--$999 with free USA shipping

el34 single ended vacuum tube amplifier four views

Single Ended, Class A amplifiers are usually very expensive.   And they still have small transformers and are not well designed.   A great Single Ended design requires special transformers and the experience to make them properly.   Unlike almost every other amplifier company out there, we wind our own transformers to exacting specifications.   We have used our experience with Single Ended to develop the best circuit, and we use one of the most popular power tubes of all time--the EL34.  Our Audio Nirvana EL34 SE has deep, powerful bass and extended highs.  Together with the traditional smooth and detailed Single Ended midrange, this is a great sounding amplifier.  The amplifier weighs approximately 33 lbs (15 kg).  Includes two sets of knobs--silver and black.  4 ohm and 8 ohm terminals.  Two inputs with selector.  Dual voltage:  115 volts or 230 volts.  Parts are chosen for the best possible sound quality--not because we want to impress you with 'boutique' names.  To maintain the superb sound, there are no adjustments to be made--ever.   Self biasing, no AC or DC balance to adjust.

Features
EL34 Single Ended Class A vacuum tube stereo amplifier.
Class A Single Ended operation represents the simplest and purist circuit possible.
Two EL34 power tubes, two 6SL7 small signal tubes, and one 5AR4 rectifier.
Conservatively rated at 10 watts per channel.
Real potted transformers wound in our own factory.
Each amplifier is hand wired. No integrated circuits.
Polished stainless steel chassis. Black anodized, brushed aluminum face and back plates.
4 and 8 ohm gold plated metal speaker terminals.
Accepts two line level inputs.
Voltage selector for 115 or 230 volts.
Excellent build quality will ensure years of reliable service.
$999 with free USA shipping.

Specifications
INPUT IMPEDANCE: 100K ohm (RCA)
OUTPUT IMPEDANCE: 4 ohm - 8 ohm
OUTPUT POWER: 10W into 8 ohms, CLASS A
DAMPING FACTOR: >3
FREQUENCY RESPONSE: 20Hz-20KHz -1dB
T.H.D.: <1% 20Hz-20KHz (REF. OUTPUT)
TOTAL GAIN: 32dB
INPUT SENSITIVITY: 300mV - 600mV
S/N: >90dB (HUM NOISE <1.5mV)
CHANNEL BALANCE: <1dB 20Hz-20KHz (MAX. VOLUME)
CHANNEL SEPARATION: >65dB 20Hz-20KHz
TUBE COMPLEMENT:
Preamp tubes 6N9P (6SL7) x 2
Power tubes EL34 (6CA7) x 2
Rectifier 5AR4 (GZ34) x 1
POWER REQUIREMENT: AC 230V or 115V ?%. 50/60Hz
DIMENSIONS: L x W x H  320 mm ?245 mm ?175 mm - 12.5 x 10 x 7"
WEIGHT: N.W.:  14.5 KGS - 32 lbs.
双色球预测最准确人 G.W.:  16.5 KGS -  36 lbs.


Audio Nirvana EL84 Ultralinear Class A/B Vacuum Tube Stereo Amplifier

Factory Built and Tested

 10 watts per channel, 20 lbs (9 kg)--$599 with free USA shipping

el84 vacuum tube amplifier four views

An incredible sounding vacuum tube stereo amplifier--professionally assembled and tested--for about the same price as many kit amplifiers.  Full, deep, rich bass.  Extended highs.  Ultralinear circuit uses an extra set of windings in the output transformers.   This gives the smoothness of SET amps with the power and dynamics of  push/pull design.  And lower distortion than both.  The Audio Nirvana 双色球预测最准确人 EL84 uses the two most popular vacuum tubes of all time.  The EL84 (6BQ5 or 7189) power tube.  The 12AX7 small signal tube.  10 watts per channel--all you need with the highest quality high efficiency speakers.   Can be operated with or without the included tube shield.  Includes two sets of knobs--silver and black.   4 ohm and 8 ohm terminals.  Two inputs with selector.  Dual voltage:  115 volts or 230 volts.  Parts are chosen for the best possible sound quality--not because we want to impress you with 'boutique' names.  Each amplifier is beautifully hand assembled and tested.  To maintain the superb sound, there are no adjustments to be made--ever.  Self biasing, no AC or DC balance to adjust.  And made with the fewest parts possible and best sounding tubes. 

Features
EL84 Ultralinear vacuum tube stereo amplifier.
Four EL84 and two 12AX7 vacuum tubes.
Conservatively rated at 10 watts per channel.
Hand wired. No integrated circuits.
Transformers wound in our own factory.
Polished stainless steel chassis.
Brushed aluminum face and back plates.
Two pairs of silver and black knobs included.
4 and 8 ohm gold plated metal speaker terminals.
Accepts two line level inputs.
Voltage selector for 115 or 230 volts.
Excellent build quality will ensure years of reliable service.
$599 with free USA shipping

Specifications
INPUT IMPEDANCE: 100K ohm (RCA)
OUTPUT IMPEDANCE: 4 ohm - 8 ohm
OUTPUT POWER: 10W into 8 ohms, CLASS AB
DAMPING FACTOR: >3
FREQUENCY RESPONSE: 20Hz-20KHz -1dB
T.H.D.: <1% 20Hz-20KHz (REF. OUTPUT)
TOTAL GAIN: 32dB
INPUT SENSITIVITY: 300mV - 600mV
S/N: >90dB (HUM NOISE <1.5mV)
CHANNEL BALANCE: <1dB 20Hz-20KHz (MAX. VOLUME)
CHANNEL SEPARATION: >65dB 20Hz-20KHz
TUBE COMPLEMENT:
Preamp tubes 12AX7 x 2
Power tubes EL84  x 4
POWER REQUIREMENT: AC 230V or 115V ?%. 50/60Hz
DIMENSIONS: L x W x H  250 mm ?250 mm ?150 mm - 10 x 10 x 6"
WEIGHT: N.W.:  7.5 KGS - 16.5 lbs.
G.W.:  8.8 KGS -  19.5 lbs.


WANTED

HIGHEST PRICES PAID FOR:

Tube Hi-Fi, Vintage Speakers, Tube Theater Amps, Corner Speakers, Horn Drivers, Coaxial/Triaxial Speakers, Crossovers, Tubes, Recording Equipment, Vintage Microphones.

Western Electric, Langevin, Altec, EV (Electrovoice), JBL, Tannoy, Vitavox, Jensen, McIntosh, Marantz (Tube), Quad, Leak, Futterman, REL, Fisher, Scott, Dynaco, Eico, Pilot, Bell, Sherwood, Lowther, Heath (Heathkit), RCA (pro), Goodmans, H.H. Scott Speakers, Sequerra, Thorens TD124, Garrard 301/401, SME Tonearms, and other vintage equipment.

FOR SALE

TUBE EQUIPMENT

Tube Shields.   New Old Stock.  Two types.  $5 each.  Picture!

E.H. SCOTT 800 Wood faceplate.  Refinished.   $95.  Picture!

H.H. SCOTT AM tuner tuning dials. Original, used, exc. $25. 

H.H. SCOTT tuning knobs w/handle, machined aluminum, gold anodized, new. $20 ea. Small control knobs, machined aluminum, gold anodized, NOS, $10 each.

H.H. SCOTT medium walnut case. 16 3/4 x 5 1/2 opening. Refinished to better than new, $95.

H.H. SCOTT medium walnut case. 16 3/4 x 5 1/2 opening. Refinished to better than new but no grill, $75.

SOLID STATE AMPS/RECEIVERS

DAYTON AUDIO DTA-100A T-Amp.   Nice little T-amp, 50 wpc, good sound, brand new in box.  $50. 

FIRESTONE AUDIO 'Living Amp'.   20 wpc T-Amp.  Quality sound.   $149 with free shipping. About the size of a pack of cigarettes.  Picture!

CD PLAYERS

None at present.

TURNTABLES

None at present.

HORN SPEAKERS

None at present.

SPEAKERS

AUDIO NIRVANA 3, 4, 6.5, 8, 10, 12 and 15 inch fullrange speakers (brand new). The best sounding speakers ever made. 3 to 5 lb magnets, 8 to 22 lbs each. Pointsource drivers with no crossover. Frequency response: 22 to 20,000 cycles. Efficiency: 98 dB and up. Buy the speakers and receive free cabinet plans, parts list, and setup tips. Prices begin at only $125/pr. For more information: Click Here

FOSTEX FE206En 8 inch fullrange speakers (brand new). Pointsource drivers with no crossover. Frequency response: 40 to 20,000 cycles. Efficiency: 98 dB. Enormous magnets. Each driver weighs almost 8 lbs. Buy the speakers and receive free cabinet plans, parts list, and setup tips. Prices begin at only $275/pr. For more information: Click Here

INFINITY (JBL) Video One center channel speaker. Two 5.5 inch, one 1 inch dome tweeter. Excellent sound. 18 wide by 7 tall by 6 deep. Matt black finish. Like New, $75. Picture!

LOWTHER 8 inch fullrange speakers (brand new). Sold for more than 70 years. Perhaps the best midrange of any speaker ever made. Frequency response: 30 to 22,000 cycles. Efficiency: 102 dB and up. The strongest magnets, lightest cones, and stiffest frames of any speaker ever made. Buy the speakers and receive free cabinet plans, parts list, and setup tips. Prices begin at $1195/pr. For more information: Click Here

SONY SS-SBT100 Two way bookshelf speakers.  Brand new.  Great little 2 way speaker with 4 inch woofer and 1.5 inch tweeter.  $50/pr.   Picture!

SUBWOOFERS

AUDIO NIRVANA SUB 8.  Great unit for only $499 with free shipping.  Listed towards the bottom of the page.  Click Here

CLASSIC DRIVERS

AUDIO NIRVANA 3, 4, 6.5, 8, 10, 12, and 15 inch fullrange speakers (brand new). The best sounding speakers ever made. 3 to 5 lb magnets, 8 to 22 lbs each. Pointsource drivers with no crossover. Frequency response: 22 to 20,000 cycles. Efficiency: 98 dB and up. Buy the speakers and receive free cabinet plans, parts list, and setup tips. Prices begin at only $125/pr. For more information: Click Here

CORAL 15L-7 fifteen inch woofers. Mint, $195/pr. Picture!

CORAL 6M-5 six inch fullrange speakers. Mint, $95/pr. Picture!

CORAL 5M-6 five inch fullrange/midrange speaker (1). Mint, $50 Picture!

CORAL 3H-7 three inch cone tweeters. Mint, $95/pr. Picture!

CORAL H17 compression horn midrange drivers. Mint, $150/pr. Picture!

CORAL BX1500 6 way, 7 speaker crossovers. Mint, $50/pr. Picture!

ELECTROVOICE (EV) T35 tweeters (pair). Stud mount. Excellent. $95/pr. Picture!

FOSTEX FE206En 8 inch fullrange speakers (brand new). Pointsource drivers with no crossover. Frequency response: 40 to 20,000 cycles. Efficiency: 98 dB. Enormous magnets. Each driver weighs almost 8 lbs. Buy the speakers and receive free cabinet plans, parts list, and setup tips. Prices begin at only $275/pr. For more information: Click Here

KLIPSCH K55V compression driver with K700 midrange cast aluminum horn (1). Mint, $125. Picture!

KLIPSCH K22 12 inch woofer (1). Made by Electrovoice (EV). Excellent, $95. Picture!

LOWTHER 8 inch fullrange speakers (brand new). Sold for more than 70 years. Perhaps the best midrange of any speaker ever made. Frequency response: 30 to 22,000 cycles. Efficiency: 102 dB and up. The strongest magnets, lightest cones, and stiffest frames of any speaker ever made. Buy the speakers and receive free cabinet plans, parts list, and setup tips. Prices begin at $1195/pr. For more information: Click Here

PHILIPS 9710M 8 inch full-range driver. Single. Mint, $95. Picture!

UNIVERSITY ID40B-T. Massive 1 inch compression driver. Est. 12 lbs. Nr. mint, $95.

CROSSOVERS

BAYLY Canadian Broadcasting Company notch filters for fullrange drivers. Exc., $25/pr Picture!

KLIPSCH Type B crossover. Exc., $50. (1 only ) Picture!

CABLES

AUDIOQUEST CRYSTAL Hyperlitz 6 foot speaker cable. SINGLE only for use with center channel. Spade terminations. Like new, $25. Picture!

Contact

David Dicks

CommonSense Audio

34 Wild Horse Way

Chesterfield, Missouri 63005  USA

Email: 
sales@anspeakers.com

Telephone:  telephone number

Visit Us:

 
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