Dynaco PAS-4 Tube Preamp and Stereo 400 Series II Solid State Amp Combo
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Contact seller after sale to pay viaCertified check, Personal check, Wire Transfer or Express Checkout | |
Ships from | Glen Rock, NJ, 07452 |
Ships to | United States |
Package dimensions | ?" × ?" × ?" (40.0 lbs.) |
Shipping carrier | UPS |
Shipping cost | $79.00 |
Average | Research Pricing |
**Please click here to check out our newly launched SkyFi Audio website with additional items for sale**
Gorgeous "almost vintage" combination tube and solid state amplifier from Dynaco.
Incredible construction and attention to detail make these a match made in heaven - that’s why we are listing them together. I’m a big fan of using tubes for the preamp and solid state for the amplifier to get just the right touch of warmth into a well performing speaker.
The preamp features a handy external processor loop and a nice phono section to get the most out of your turntable. The sleek glossy and matte black finish on the faceplates are truly striking and a fresh departure from the typical black or silver.
Inside you’ll find high quality components including sealed pots and film capacitors in the signal path that will last forever. The layout and attention to detail really stands out.
The units are in perfect working condition and the tubes test strong and clean. We ran the amp on our workbench to its full rated power and it measured clean. It was also tested in our listening room for some time to ensure that all the fine details the test equipment reported translated to good quality audio.
The faceplates are super clean and scratch free as you can see from the pictures. The tops have a few scuffs, but nothing really worth noting.
Click here for a PDF copy of the PAS-4 Owner's Manual
PAS-4 Specifications
Phono Section
GAIN:
40 dB
RIAA ACCURACY:
+/- .5 dB from 20 Hz to 20 kHz 500mV RMS @ 1kHz
PHONO OVERLOAD:
500mV RMS @ 1kHz
MAXIMUM OUTPUT CAPABILITY:
60V RMS @ 1kHz
THD:
50V RMS @ 20kHz (for 1% THD)
less than .025% @ 2V RMS Output
INPUT IMPEDANCE:
47k shunted by 10pF
TAPE OUTPUT IMPEDANCE:
2k
NOISE:
-86 dB below 10mV RMS Input
ABSOLUTE PHASE:
Non-Inverting
TUBE COMPLEMENT:
2ea 6DJ8 (6922); 2ea 12AX7 (ECC83)
Line Section
GAIN:
8.5 dB
FREQUENCY RESPONSE:
2 Hz to 150 kHz (nominal)
(-3 dB, 20 k ohm load)
MAXIMUM OUTPUT:
40V RMS (for 1% THD)
THD:
.025% @ 2V RMS Output
INPUT IMPEDANCE:
25k nominal (all inputs)
OUTPUT IMPEDANCE:
40 ohms
NOISE:
-90 dB below 2V RMS Output
ABSOLUTE PHASE:
Inverting
SLEW RATE:
40 V/μs
TUBE COMPLEMENT:
2ea 6DJ8 (6922)
Electrical / Mechanical
POWER REQUIREMENTS:
100, 115, or 230 VAC @ 50/60 Hz
POWER CONSUMPTION:
45 Watts
DIMENSIONS:
17" Wide, 3.75" High, 12" Deep
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Thanks for looking and please click here if you would like to receive a list of new equipment we receive weekly. We promise not to bombard you with junk email.
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PURCHASING FROM SKYFI
This item will be professionally packaged and insured for safe transit to your home.
This item is also available for pickup in Glen Rock, NJ, with convenient parking near our building.
Click here for specifics on our specialized packing process that separates us from the rest.
If we don’t have the original manufacture’s packaging, we use heavy duty double-ply corrugated boxes with Instapak expanding foam custom inserts. In many cases this has proven to be better than the original packaging! We also use high quality fiber reinforced tape to seal our packages. Lightweight items will be bubble wrapped and shipped in a high-quality box.
NJ Residents or anyone picking up without a resale certificate will need to pay NJ Sales Tax.
Thanks for looking and be sure to call us at 201-879-0000 with any questions.
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WHO WE ARE
SkyFi Audio is a small startup business specializing in the purchase, reconditioning, and reselling of select high-end audio equipment. We only buy equipment the we admire and are passionate about. No mid-fi, no gimmicks, no junk.
Each piece of equipment is cosmetically restored and fully tested in our well-equipped lab by an engineer with 30+ years of experience in the HiFi world. If it does not meet or exceed the original manufactures specifications, it will not be sold. We are very selective about the equipment we purchase, focusing on mostly analog, high-build quality, American, and European built units.
Through our sister company, which is an authorized dealer for McIntosh, Audio Research, Sonus Faber, ClearAudio, Pro-Ject Audio Systems, and Sony ES, we have access to OEM parts, service, and support. If you’re local and looking for new equipment from the above-mentioned manufacturers, please drop us a line as we can arrange both sales and professional installation in the tri-state area.
PURCHASING GUIDELINES
We do not accept or review any offers that do not go through the official Audiogon system. We have too many items for sale and it’s nearly impossible to keep track of offers outside of the official system. Please don’t message, email, or text any offers.
PAYMENTS
We prefer working through PayPal which allows you to use a credit card or bank transfer. We do not charge extra for any payment fees if you purchase the item at the asking price. You can also send us a personal check (which will need to clear before shipping), certified check, money order, or wire transfer. International clients without access to PayPal should use a bank wire transfer.
If you’re picking up an item we do not accept PayPal. You must pay in person with a certified or bank check, or wire transfer. If you make a PayPal payment and are picking up the item, your PayPal payment will be returned.
TRADE IN POLICY
We accept trade-ins of equal or lesser value under certain conditions. Simply click here to submit your gear for full consideration. We will only consider high-end equipment from mainstream manufacturers such as McIntosh, Mark Levinson, Audio Research, Krell, etc. and will typically pass on displays, projectors, receivers, dated surround processors, and mid-fi equipment of any type. We will offer a fair value for your equipment, but keep in mind we’re running a business and will need to be able to resell the equipment at a profit after investing a great deal of time and resources in testing, certifying, repairing, cleaning, and packaging the incoming equipment. If you’re looking for top dollar, we suggest selling it directly on your own.
SELL US YOUR GEAR (Working or Broken)
We’ll also purchase your used or broken gear and arrange pickup if you are in our local market. Simply click here to submit your gear for full consideration.
SCHEDULING AN APPOINTMENT
We are currently operating from our shop located inside our dedicated building in Glen Rock, NJ. You’re welcome to make an appointment if there’s a piece of equipment you’d like to see in operation before or after purchase. We have several well-equipped, dedicated listening areas plus a dedicated studio with tons of equipment of all makes and models. We’re not a store, so please don’t make an appointment if you’re just curious as to how a speaker or piece of equipment sounds. In essence - no tire kickers please.
You can call or text 201-879-0000 with any questions, or to schedule an appointment. We can also arrange to install, calibrate, and tune your newly purchased gear in your listening room if you’re local to our area. This is super useful when purchasing large speakers or heavy amplifiers. It’s also great for ensuring your new turntable is setup correctly in its final resting place.
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