> Classifieds > > > Space-Tech Lab. DHT Single-ended Super OTL 845 mono blocks 100Wpc

SOLD - DEALER AD: Space-Tech Lab. DHT Single-ended Super OTL 845 mono blocks 100Wpc

Item #649362927
Info: Space-Tech Lab. DHT Single-ended Super OTL 845 mono blocks 100Wpc

Asking Price:
CAD $6980.00
Retail Price: CAD $15800.00
Payment method: Cash, Paypal, Cheque, Money Order, Money Wire, Interac/EMT
Shipping weight: 30.00 (kg) Calculate Shipping
Shipping Dimension: 50.80cm x 50.80cm x 40.64cm
Condition: 11 - New (?)
Date Posted: Sep 09, 18 10:01am (PST)
Edited: Oct 01, 18 2:47pm
About Seller: Space-Tech Laboratory Ltd.
Space-Tech-Lab is a dealer or commercial user
New Westminster, BC
[other classified ads]
Product Brand: Space-Tech Lab.
Product Model: SE-845-100W
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Space-Tech Laboratory - Super High-End Audio with affordable price

100% professional custom hand-made in CANADA


Visit www.TheBestAmp.com or www.Space-Tech-Lab.com for more details


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Designer and manufacturer of over 100 models of super hi-end tube pre-amp and power amp, hybrid amp, integrated amp, DAC, Buffer amp, MC/MM phono amp, headphone amp, hi-end speaker systems and active tube crossovers. Hi-end TUBE pre-amplifier start from C$480 only, even our starting model can easily surpass the sonic performances of those selling US$3,000-4,000 with a big name , 30 days cash refund guaranteed minus re-stocking and shipping (see terms and conditions on our website )

7 day 12hr (9:00am-9:00pm) hot-line: (604) 254-8133

Flexible Showroom hours : Everyday possible between 10:00am - 8:00pm, by appointment only !! Please call / email to reserve a seat !


Item for sale : SE-845-100W (dual mono blocks, DHT Single-ended class A Super OTL power amplifier)

SE-845-100W-3 SE-845-100W-3 SE-845-100W-3

SE-845-100W-3 SE-845-100W-3SE-845-100W-3


Check out more detail information at : http://www.thebestamp.com/Single-Ended_Tube_Amps/SE-845-100W.php

Our direct, from the factory price without wholesale + retail + marketing + reviewer markup :C$7,800 /pr only!!

Typically retails on-sale for $15,000 or higher!!

Take advantage of our "new stock" promotional discount of only C$6,980/pr!!

Descriptions :


This is our high power series of single-ended DHT Super OTL power amplifier which use the 845 or 211 tubes. Input tubes can use 6SL7, 6SN7, 6SU7 , 5691, 5692, ECC32, ECC33, ECC35 and all equivalents.

This model has both RCA and XLR inputs, power-on delay and speaker DC offset protection circuit included for maximum safefy consideration.

This amp features the following mind-blowing characters:

1. 0db NFB from input to output , all tubes working in pure class A single-ended operation mode, as well as point-to-point hand wiring technique.

2. Pure analog linear power supply and amplification design for lowest possible un-pleasant distortions, result in much better sonic performance than others which use switching power supply and class D amplification, and still asked for a $100K price tag.

3. Our proprietary Super OTL design without output transformers, maximum damping factor and most widest bandwidth can be achieved, the beautiful characters of the 845 is totally exposed, the bass punch, control and richness is so good that exceeds any traditional 845 designs while the mid and high range silky outstanding dynamics as well as sweetness still holds. Just one single 845 as output tube, no need to parallel two or more tubes, so most puriest and linear class A sound as result.

4. Super low noise level, you can hardly hear such quiet and dark background from an old school 845 / 211 design

5. Factory pre-set bias and hum adjustment, not necessary to re-calibrate but just plug and play of different tubes. The 845 tube works under a totally safe and long lasting operation conditions, which can almost last forever until the filament drop dead.

6. Dual mono design for maximum channel separation either small or large signal reproduction, also lighter in weight per unit for easy handling

7. Integrated our most advanced MDE (micro-dynamics extraction) design. Which can let very minute information originally immersed below background noise surface out effortlessly. You can easily hear the real end of each music note in the recording which you never experienced before, with those invisible links between each notes. Every musical instrument will have astonishing 3D separation from each other but with the invisible musical link in between. Any musician can get really excited by the performance of this circuit, since each phrase of notes and chords can easily tell without masked by vocals or other instruments, a real musical reproduction of sound.

8. Three separate power transfromer (power stage, tube stage and filament transformers) for lowest interference between supplies and highest dynamics with stressless sound.

9. Real out-of-the-factory price, no expensive marketing and reviews which cost typical 80% or more of the unit price. Your each one dollar investment get at least 5 to 10 dollars back in terms of sound.

10. Soft start filament supply to 845 tubes for prolonged life time.

11. 100% professionally hand-built in Canada by component-to-component and point-to-point wiring technique .


No. of inputs 1 set of RCA inputs + 1 set of XLR balanced inputs (imp = 100Kohm) 
No. of outputs 1 set of speaker outputs ( 4-16 ohm)
Freq response 10Hz - 30Khz (-3db)
S/N > 90db at full power output
Phase non-inverted
manufacturing hand-wired point to point for tube and power supply sections
Tubes used 6SL7/6SU76SN7/ECC32/ECC33/ECC35/CV181/5691/5692 x 2 + 845 / 211 x 2
Output power /ch

100Wrms (8 ohm) 1.5Vrms RCA input to full power output (gain = 28db)

200Wpk (4 ohm)



100% professional custom hand-made in Canada

Condition : New with 1 year parts and labor warranty

Payment methods: Money order/ bank deposit / Email interac / cheque / PAYPAL (shipping cost and paypal charge extra)

Ship by : Canada Post , local pickup welcome

Shipping schedule : 3-5 business days

Return policy : Satisfaction guarantee , 100% cash refund minus 5% re-stocking fee if return in 7 days (exclude transit time) , no refund on S/H.


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